diff --git a/AUTHORS b/AUTHORS
index babaa038..302f98fd 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -6,7 +6,7 @@
 -----------
 Bfdev Designer Group
 
-Name        : John Sanpe
+Name        : Zhenlin Wang
 Email       : sanpeqf@gmail.com
 Represent   : framework
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8efee53b..9245ad55 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
 # Copyright(c) 2023 ffashion <helloworldffashion@gmail.com>
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 cmake_minimum_required(VERSION 3.12)
@@ -26,6 +26,7 @@ set(BFDEV_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
 set(BFDEV_HEADER_PATH ${PROJECT_SOURCE_DIR}/include)
 set(BFDEV_SOURCE_PATH ${PROJECT_SOURCE_DIR}/src)
 set(BFDEV_TEMPLATE_PATH ${PROJECT_SOURCE_DIR}/template)
+set(BFDEV_MODULES_PATH ${PROJECT_SOURCE_DIR}/modules)
 set(BFDEV_PORT_PATH ${PROJECT_SOURCE_DIR}/port)
 set(BFDEV_DOCUMENT_PATH ${PROJECT_SOURCE_DIR}/docs)
 set(BFDEV_GENERATED_PATH ${PROJECT_BINARY_DIR}/generated)
@@ -38,6 +39,7 @@ set(BFDEV_CONFIGURE ${BFDEV_GENERATED_PATH}/bfdev-config.cmake)
 include(${PROJECT_SOURCE_DIR}/scripts/hostrule.cmake)
 include(${PROJECT_SOURCE_DIR}/scripts/packed-header.cmake)
 include(${PROJECT_SOURCE_DIR}/scripts/commit.cmake)
+include(${PROJECT_SOURCE_DIR}/scripts/platform.cmake)
 
 commit_hash(BFDEV_COMMITID)
 commit_branch(BFDEV_BRANCH)
@@ -56,6 +58,8 @@ option(BFDEV_STRICT "Enable strict compilation" OFF)
 option(BFDEV_EXAMPLES "Build examples" OFF)
 option(BFDEV_TESTSUITE "Build testsuite" OFF)
 
+option(BFDEV_TEMPLATE "Build Template Library" ON)
+option(BFDEV_MODULES "Build Modules Library" ON)
 option(BFDEV_BUILD_STATIC "Build Static Library" ON)
 option(BFDEV_BUILD_SHARED "Build Shared Library" ON)
 option(BFDEV_INSTALL_HEADERS "Install Headers" ON)
@@ -85,15 +89,49 @@ if(BFDEV_DEVEL)
     set(BFDEV_GCOV ON)
 endif()
 
+if(NOT BFDEV_PORT_TYPE STREQUAL "posix")
+    set(BFDEV_MODULES OFF)
+    set(BFDEV_EXAMPLES OFF)
+    set(BFDEV_TESTSUITE OFF)
+endif()
+
+if(BFDEV_EXAMPLES OR BFDEV_TESTSUITE)
+    set(BFDEV_TEMPLATE ON)
+    set(BFDEV_MODULES ON)
+endif()
+
 include(${PROJECT_SOURCE_DIR}/build.cmake)
 add_subdirectory(${PROJECT_SOURCE_DIR}/scripts)
 
-packed_header(
-    bfdev/template/
-    _BFDEV_TEMPLATE_H_
-    ${BFDEV_GENERATED_PATH}/bfdev/template.h
-    ${BFDEV_HEADER_PATH}/bfdev/template
-)
+if(BFDEV_TEMPLATE)
+    packed_header(
+        bfdev/template/
+        _BFDEV_TEMPLATE_H_
+        ${BFDEV_GENERATED_PATH}/bfdev/template.h
+        ${BFDEV_HEADER_PATH}/bfdev/template
+    )
+else()
+    set(BFDEV_EXPORT_EXTRA
+        ${BFDEV_EXPORT_EXTRA}
+        COMMAND ${CMAKE_COMMAND} -E rm -rf
+            ${BFDEV_EXPORT_PATH}/bfdev/template
+    )
+endif()
+
+if(BFDEV_MODULES)
+    packed_header(
+        bfdev/modules/
+        _BFDEV_MODULES_H_
+        ${BFDEV_GENERATED_PATH}/bfdev/modules.h
+        ${BFDEV_HEADER_PATH}/bfdev/modules
+    )
+else()
+    set(BFDEV_EXPORT_EXTRA
+        ${BFDEV_EXPORT_EXTRA}
+        COMMAND ${CMAKE_COMMAND} -E rm -rf
+            ${BFDEV_EXPORT_PATH}/bfdev/modules
+    )
+endif()
 
 packed_header(
     bfdev/
@@ -116,6 +154,7 @@ add_custom_target(
         ${BFDEV_ARCH_HEADER_PATH}/bfdev
         ${BFDEV_GENERATED_PATH}/bfdev
         ${BFDEV_EXPORT_PATH}/bfdev
+    ${BFDEV_EXPORT_EXTRA}
 )
 
 set_property(
diff --git a/arch/generic/build.cmake b/arch/generic/build.cmake
index e94bbed1..6c342858 100644
--- a/arch/generic/build.cmake
+++ b/arch/generic/build.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 #
diff --git a/arch/generic/include/bfdev/asm/bitops.h b/arch/generic/include/bfdev/asm/bitops.h
index f5a528b2..9a860fdf 100644
--- a/arch/generic/include/bfdev/asm/bitops.h
+++ b/arch/generic/include/bfdev/asm/bitops.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASM_BITOPS_H_
diff --git a/arch/generic/include/bfdev/asm/dword.h b/arch/generic/include/bfdev/asm/dword.h
index 4a45aa82..228948af 100644
--- a/arch/generic/include/bfdev/asm/dword.h
+++ b/arch/generic/include/bfdev/asm/dword.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASM_DWORD_H_
diff --git a/bfdev.cmake b/bfdev.cmake
index fe590f99..02298261 100644
--- a/bfdev.cmake
+++ b/bfdev.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 set(CMAKE_POLICY_DEFAULT_CMP0077 NEW)
diff --git a/build.cmake b/build.cmake
index bf10832c..11da06f3 100644
--- a/build.cmake
+++ b/build.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 set(CMAKE_C_FLAGS
@@ -55,12 +55,17 @@ set(BFDEV_INCLUDE_DIRS
 )
 
 include_directories(${BFDEV_INCLUDE_DIRS})
-include(${PROJECT_SOURCE_DIR}/scripts/platform.cmake)
 include(${BFDEV_PORT_PATH}/build.cmake)
-
 include(${BFDEV_ARCH_PATH}/build.cmake)
 include(${BFDEV_SOURCE_PATH}/build.cmake)
-include(${BFDEV_TEMPLATE_PATH}/build.cmake)
+
+if(BFDEV_TEMPLATE)
+    include(${BFDEV_TEMPLATE_PATH}/build.cmake)
+endif()
+
+if(BFDEV_MODULES)
+    include(${BFDEV_MODULES_PATH}/build.cmake)
+endif()
 
 configure_file(
     ${BFDEV_MODULE_PATH}/config.h.in
diff --git a/cmake/config.h.in b/cmake/config.h.in
index 782e6cd2..a2c9693f 100644
--- a/cmake/config.h.in
+++ b/cmake/config.h.in
@@ -1,7 +1,7 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
  * Copyright(c) 2023 ffashion <helloworldffashion@gmail.com>
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CONFIG_H_
diff --git a/examples/action/simple.c b/examples/action/simple.c
index 4b47530a..a85bcb47 100644
--- a/examples/action/simple.c
+++ b/examples/action/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "action-simple"
diff --git a/examples/allocator/CMakeLists.txt b/examples/allocator/CMakeLists.txt
index 2204df3e..d6c7cc47 100644
--- a/examples/allocator/CMakeLists.txt
+++ b/examples/allocator/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(allocator-simple simple.c)
diff --git a/examples/allocator/guards.c b/examples/allocator/guards.c
index 6c7807f8..24f16ecb 100644
--- a/examples/allocator/guards.c
+++ b/examples/allocator/guards.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <string.h>
diff --git a/examples/allocator/simple.c b/examples/allocator/simple.c
index 6e68b8f7..1a26abd0 100644
--- a/examples/allocator/simple.c
+++ b/examples/allocator/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdlib.h>
diff --git a/examples/arc4/CMakeLists.txt b/examples/arc4/CMakeLists.txt
index 69a1cf41..ec98ffd5 100644
--- a/examples/arc4/CMakeLists.txt
+++ b/examples/arc4/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(arc4-bandwidth bandwidth.c)
diff --git a/examples/arc4/bandwidth.c b/examples/arc4/bandwidth.c
index a6c7289a..8c38cefc 100644
--- a/examples/arc4/bandwidth.c
+++ b/examples/arc4/bandwidth.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "arc4-bandwidth"
diff --git a/examples/array/simple-append.c b/examples/array/simple-append.c
index af49737e..94c54d35 100644
--- a/examples/array/simple-append.c
+++ b/examples/array/simple-append.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "array-simple-append"
diff --git a/examples/array/simple-splice.c b/examples/array/simple-splice.c
index 1ee641cd..ec2efd6b 100644
--- a/examples/array/simple-splice.c
+++ b/examples/array/simple-splice.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "array-simple-splice"
diff --git a/examples/array/simple-stack.c b/examples/array/simple-stack.c
index 687b7159..3d953872 100644
--- a/examples/array/simple-stack.c
+++ b/examples/array/simple-stack.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "array-simple-stack"
diff --git a/examples/array/simple-write.c b/examples/array/simple-write.c
index de1d4c15..16d0204a 100644
--- a/examples/array/simple-write.c
+++ b/examples/array/simple-write.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "array-simple-write"
diff --git a/examples/ascii85/CMakeLists.txt b/examples/ascii85/CMakeLists.txt
index 9b258bbd..f7d92147 100644
--- a/examples/ascii85/CMakeLists.txt
+++ b/examples/ascii85/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(ascii85-bandwidth bandwidth.c)
diff --git a/examples/ascii85/bandwidth.c b/examples/ascii85/bandwidth.c
index f3f4c0f1..a0d4672a 100644
--- a/examples/ascii85/bandwidth.c
+++ b/examples/ascii85/bandwidth.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "ascii85-bandwidth"
diff --git a/examples/ascii85/utils.c b/examples/ascii85/utils.c
index c11dea6c..8b6f73ce 100644
--- a/examples/ascii85/utils.c
+++ b/examples/ascii85/utils.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "bfdev-ascii85"
diff --git a/examples/atomic/CMakeLists.txt b/examples/atomic/CMakeLists.txt
index 51210be2..75440ef9 100644
--- a/examples/atomic/CMakeLists.txt
+++ b/examples/atomic/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(atomic-spinlock spinlock.c)
diff --git a/examples/atomic/spinlock.c b/examples/atomic/spinlock.c
index 14d8089b..1e60215f 100644
--- a/examples/atomic/spinlock.c
+++ b/examples/atomic/spinlock.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "atomic-spinlock"
diff --git a/examples/base32/CMakeLists.txt b/examples/base32/CMakeLists.txt
index 45b2084c..41ac812f 100644
--- a/examples/base32/CMakeLists.txt
+++ b/examples/base32/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(base32-bandwidth bandwidth.c)
diff --git a/examples/base32/bandwidth.c b/examples/base32/bandwidth.c
index dc2a9300..b6f06320 100644
--- a/examples/base32/bandwidth.c
+++ b/examples/base32/bandwidth.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "base32-bandwidth"
diff --git a/examples/base32/utils.c b/examples/base32/utils.c
index 6e7a55f1..c72ddec8 100644
--- a/examples/base32/utils.c
+++ b/examples/base32/utils.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "bfdev-base32"
diff --git a/examples/base64/CMakeLists.txt b/examples/base64/CMakeLists.txt
index 58eaa203..b28b0da4 100644
--- a/examples/base64/CMakeLists.txt
+++ b/examples/base64/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(base64-bandwidth bandwidth.c)
diff --git a/examples/base64/bandwidth.c b/examples/base64/bandwidth.c
index c58d1685..88886748 100644
--- a/examples/base64/bandwidth.c
+++ b/examples/base64/bandwidth.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "base64-bandwidth"
diff --git a/examples/base64/utils.c b/examples/base64/utils.c
index 856b9160..dca3ada8 100644
--- a/examples/base64/utils.c
+++ b/examples/base64/utils.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "bfdev-base64"
diff --git a/examples/bfdev/CMakeLists.txt b/examples/bfdev/CMakeLists.txt
index 94f178c4..fa1c2f45 100644
--- a/examples/bfdev/CMakeLists.txt
+++ b/examples/bfdev/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(bfdev-version version.c)
diff --git a/examples/bfdev/version.c b/examples/bfdev/version.c
index e4e671ef..4af98feb 100644
--- a/examples/bfdev/version.c
+++ b/examples/bfdev/version.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/bloom/simple.c b/examples/bloom/simple.c
index e4593d12..6a8c9bb9 100644
--- a/examples/bloom/simple.c
+++ b/examples/bloom/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/btree/benchmark.c b/examples/btree/benchmark.c
index 2dfad913..bdcf7284 100644
--- a/examples/btree/benchmark.c
+++ b/examples/btree/benchmark.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2021 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2021 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "btree-benchmark"
diff --git a/examples/btree/selftest.c b/examples/btree/selftest.c
index 469d61b3..dcdfe290 100644
--- a/examples/btree/selftest.c
+++ b/examples/btree/selftest.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/buff/string.c b/examples/buff/string.c
index 64bf7eaa..864bf02f 100644
--- a/examples/buff/string.c
+++ b/examples/buff/string.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "string-simple"
diff --git a/examples/cache/CMakeLists.txt b/examples/cache/CMakeLists.txt
index 666eccc5..d05a0b51 100644
--- a/examples/cache/CMakeLists.txt
+++ b/examples/cache/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(cache-simple simple.c)
diff --git a/examples/cache/simple.c b/examples/cache/simple.c
index 7452b937..765e7c87 100644
--- a/examples/cache/simple.c
+++ b/examples/cache/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "cache-simple"
diff --git a/examples/circle/atomic.c b/examples/circle/atomic.c
index b6eeb2d0..7f56d1db 100644
--- a/examples/circle/atomic.c
+++ b/examples/circle/atomic.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2021 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2021 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/crc/CMakeLists.txt b/examples/crc/CMakeLists.txt
index 87e082ad..9e7391b2 100644
--- a/examples/crc/CMakeLists.txt
+++ b/examples/crc/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(crc-bandwidth bandwidth.c)
diff --git a/examples/crc/bandwidth.c b/examples/crc/bandwidth.c
index dd85130f..0d391ba0 100644
--- a/examples/crc/bandwidth.c
+++ b/examples/crc/bandwidth.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "crc-bandwidth"
diff --git a/examples/crypto/CMakeLists.txt b/examples/crypto/CMakeLists.txt
index 7ed58fee..436c0fd8 100644
--- a/examples/crypto/CMakeLists.txt
+++ b/examples/crypto/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(crypto-bandwidth bandwidth.c)
diff --git a/examples/crypto/bandwidth.c b/examples/crypto/bandwidth.c
index a2879c72..623b6395 100644
--- a/examples/crypto/bandwidth.c
+++ b/examples/crypto/bandwidth.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "crypto-bandwidth"
diff --git a/examples/crypto/utils.c b/examples/crypto/utils.c
index 2a661783..ae7b6226 100644
--- a/examples/crypto/utils.c
+++ b/examples/crypto/utils.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "bfdev-crypto"
diff --git a/examples/fifo/atomic.c b/examples/fifo/atomic.c
index e98676c6..8f0b6bfa 100644
--- a/examples/fifo/atomic.c
+++ b/examples/fifo/atomic.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/fsm/console.c b/examples/fsm/console.c
index f36329e9..8a9a5d7f 100644
--- a/examples/fsm/console.c
+++ b/examples/fsm/console.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/glob/CMakeLists.txt b/examples/glob/CMakeLists.txt
index 9d9e5d3b..d67963fa 100644
--- a/examples/glob/CMakeLists.txt
+++ b/examples/glob/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(glob utils.c)
diff --git a/examples/glob/utils.c b/examples/glob/utils.c
index 8c5db756..65e68519 100644
--- a/examples/glob/utils.c
+++ b/examples/glob/utils.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "bfdev-glob"
diff --git a/examples/guards/class.c b/examples/guards/class.c
index 0612092d..f3464296 100644
--- a/examples/guards/class.c
+++ b/examples/guards/class.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/guards/cleanup.c b/examples/guards/cleanup.c
index fc3491c3..7a433448 100644
--- a/examples/guards/cleanup.c
+++ b/examples/guards/cleanup.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/hashmap/benchmark.c b/examples/hashmap/benchmark.c
index df527115..49dd9ab1 100644
--- a/examples/hashmap/benchmark.c
+++ b/examples/hashmap/benchmark.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "hashmap-benchmark"
diff --git a/examples/hashmap/simple.c b/examples/hashmap/simple.c
index 68b69147..d912a4e2 100644
--- a/examples/hashmap/simple.c
+++ b/examples/hashmap/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/hashtbl/simple.c b/examples/hashtbl/simple.c
index b9bb1b6b..237230c5 100644
--- a/examples/hashtbl/simple.c
+++ b/examples/hashtbl/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2021 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2021 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/heap/benchmark.c b/examples/heap/benchmark.c
index 05a9ffc4..c44fec91 100644
--- a/examples/heap/benchmark.c
+++ b/examples/heap/benchmark.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2021 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2021 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "heap-benchmark"
diff --git a/examples/heap/selftest.c b/examples/heap/selftest.c
index 8c846b0f..6d5ee5ce 100644
--- a/examples/heap/selftest.c
+++ b/examples/heap/selftest.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "heap-selftest"
diff --git a/examples/hlist/simple.c b/examples/hlist/simple.c
index 56d86685..6a9894d2 100644
--- a/examples/hlist/simple.c
+++ b/examples/hlist/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2021 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2021 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/ilist/selftest.c b/examples/ilist/selftest.c
index 54db0bb0..55fc8daf 100644
--- a/examples/ilist/selftest.c
+++ b/examples/ilist/selftest.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2021 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2021 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/knuth/simple.c b/examples/knuth/simple.c
index cd4e023f..8a235b1d 100644
--- a/examples/knuth/simple.c
+++ b/examples/knuth/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "knuth-simple"
diff --git a/examples/levenshtein/simple.c b/examples/levenshtein/simple.c
index 7505222f..1cef644c 100644
--- a/examples/levenshtein/simple.c
+++ b/examples/levenshtein/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/list/benchmark.c b/examples/list/benchmark.c
index f942cfa6..59670d79 100644
--- a/examples/list/benchmark.c
+++ b/examples/list/benchmark.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2021 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2021 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "list-benchmark"
diff --git a/examples/log/CMakeLists.txt b/examples/log/CMakeLists.txt
index 1c453122..5d5f4efe 100644
--- a/examples/log/CMakeLists.txt
+++ b/examples/log/CMakeLists.txt
@@ -1,27 +1,27 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(log-simple simple.c)
 target_link_libraries(log-simple bfdev)
 add_test(log-simple log-simple)
 
-add_executable(log-date date.c)
-target_link_libraries(log-date bfdev)
-add_test(log-date log-date)
+add_executable(log-modules modules.c)
+target_link_libraries(log-modules bfdev)
+add_test(log-modules log-modules)
 
 if(${CMAKE_PROJECT_NAME} STREQUAL "bfdev")
     install(FILES
         simple.c
-        date.c
+        modules.c
         DESTINATION
         ${CMAKE_INSTALL_DOCDIR}/examples/log
     )
 
     install(TARGETS
         log-simple
-        log-date
+        log-modules
         DESTINATION
         ${CMAKE_INSTALL_DOCDIR}/bin
     )
diff --git a/examples/log/date.c b/examples/log/date.c
deleted file mode 100644
index 7de69ab1..00000000
--- a/examples/log/date.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
- */
-
-#define MODULE_NAME "log-date"
-#define bfdev_log_fmt(fmt) MODULE_NAME ": " fmt
-
-#include <bfdev/log.h>
-#include <bfdev/scnprintf.h>
-#include <time.h>
-#include <unistd.h>
-
-static int
-log_hook_date(bfdev_log_message_t *msg, void *pdata)
-{
-    struct tm *tm_info;
-    time_t timestamp;
-    char buff[64];
-
-    time(&timestamp);
-    tm_info = localtime(&timestamp);
-    strftime(buff, sizeof(buff), "%a %b %d %H:%M:%S %p %Z %Y", tm_info);
-
-    return bfdev_msg_append(msg, "<%s> ", buff);
-}
-
-static bfdev_log_chain_t
-log_chain_date = {
-    .func = log_hook_date,
-    .priority = 0,
-};
-
-int
-main(int argc, const char *argv[])
-{
-    unsigned int count;
-
-    bfdev_log_hook_register(&bfdev_log_default, &log_chain_date);
-    for (count = 0; count < 3; ++count) {
-        bfdev_log_info("Hello World!\n");
-        sleep(1);
-    }
-
-    return 0;
-}
diff --git a/examples/log/modules.c b/examples/log/modules.c
new file mode 100644
index 00000000..81009087
--- /dev/null
+++ b/examples/log/modules.c
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
+ */
+
+#define MODULE_NAME "log-modules"
+#define bfdev_log_fmt(fmt) MODULE_NAME ": " fmt
+
+#include <bfdev/log.h>
+#include <bfdev/modules/log.h>
+#include <unistd.h>
+
+int
+main(int argc, const char *argv[])
+{
+    unsigned int count;
+
+    bfdev_log_localtime_enable(&bfdev_log_default);
+    bfdev_log_hostname_enable(&bfdev_log_default);
+    bfdev_log_pid_enable(&bfdev_log_default);
+
+    for (count = 0; count < 3; ++count) {
+        bfdev_log_info("Hello World!\n");
+        sleep(1);
+    }
+
+    return 0;
+}
diff --git a/examples/log/simple.c b/examples/log/simple.c
index 6a3491f0..580381f3 100644
--- a/examples/log/simple.c
+++ b/examples/log/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "log-simple"
diff --git a/examples/log2/CMakeLists.txt b/examples/log2/CMakeLists.txt
index 42df8480..db8b97dd 100644
--- a/examples/log2/CMakeLists.txt
+++ b/examples/log2/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(log2-selftest selftest.c)
diff --git a/examples/log2/selftest.c b/examples/log2/selftest.c
index 9d94f230..d3d185d4 100644
--- a/examples/log2/selftest.c
+++ b/examples/log2/selftest.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/math/abs.c b/examples/math/abs.c
index e334fbc0..4a7e56ec 100644
--- a/examples/math/abs.c
+++ b/examples/math/abs.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "math-abs"
diff --git a/examples/matrix/benchmark.c b/examples/matrix/benchmark.c
index fbd41302..54395d95 100644
--- a/examples/matrix/benchmark.c
+++ b/examples/matrix/benchmark.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "matrix-benchmark"
diff --git a/examples/matrix/fibonacci.c b/examples/matrix/fibonacci.c
index c4ee2a28..85a2be85 100644
--- a/examples/matrix/fibonacci.c
+++ b/examples/matrix/fibonacci.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/mpi/bbp.c b/examples/mpi/bbp.c
index e446d258..d5fa6ae5 100644
--- a/examples/mpi/bbp.c
+++ b/examples/mpi/bbp.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "mpi-bbp"
diff --git a/examples/mpi/fibonacci.c b/examples/mpi/fibonacci.c
index f7233296..51d80f55 100644
--- a/examples/mpi/fibonacci.c
+++ b/examples/mpi/fibonacci.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/mpi/helper.h b/examples/mpi/helper.h
index 46d2ecd4..a9dcbf3e 100644
--- a/examples/mpi/helper.h
+++ b/examples/mpi/helper.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _MPI_PRINT_H_
diff --git a/examples/mpi/machin.c b/examples/mpi/machin.c
index 2b0495cd..1bbec996 100644
--- a/examples/mpi/machin.c
+++ b/examples/mpi/machin.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "mpi-machin"
diff --git a/examples/notifier/CMakeLists.txt b/examples/notifier/CMakeLists.txt
index e8cc2218..d4c4af43 100644
--- a/examples/notifier/CMakeLists.txt
+++ b/examples/notifier/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later */
 #
-# Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(notifier-simple simple.c)
diff --git a/examples/notifier/simple.c b/examples/notifier/simple.c
index 8e71c933..7786ea07 100644
--- a/examples/notifier/simple.c
+++ b/examples/notifier/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "notifier-simple"
diff --git a/examples/once/simple.c b/examples/once/simple.c
index 9d72ddc1..23837322 100644
--- a/examples/once/simple.c
+++ b/examples/once/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/overflow/simple.c b/examples/overflow/simple.c
index bf82fee0..677d1b10 100644
--- a/examples/overflow/simple.c
+++ b/examples/overflow/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "overflow-simple"
diff --git a/examples/prandom/CMakeLists.txt b/examples/prandom/CMakeLists.txt
index 3760993e..2ea84ccc 100644
--- a/examples/prandom/CMakeLists.txt
+++ b/examples/prandom/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(prandom-simple simple.c)
diff --git a/examples/prandom/simple.c b/examples/prandom/simple.c
index e21e316a..52a78545 100644
--- a/examples/prandom/simple.c
+++ b/examples/prandom/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "prandom-simple"
diff --git a/examples/radix/CMakeLists.txt b/examples/radix/CMakeLists.txt
index f5695078..645b74fd 100644
--- a/examples/radix/CMakeLists.txt
+++ b/examples/radix/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(radix-simple simple.c)
diff --git a/examples/radix/benchmark.c b/examples/radix/benchmark.c
index da781321..33a5ac52 100644
--- a/examples/radix/benchmark.c
+++ b/examples/radix/benchmark.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "radix-benchmark"
diff --git a/examples/radix/simple.c b/examples/radix/simple.c
index 3b14fc34..0a5237f3 100644
--- a/examples/radix/simple.c
+++ b/examples/radix/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/ratelimit/CMakeLists.txt b/examples/ratelimit/CMakeLists.txt
index d9c8ec2f..92b5bfad 100644
--- a/examples/ratelimit/CMakeLists.txt
+++ b/examples/ratelimit/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(ratelimit-simple simple.c)
diff --git a/examples/ratelimit/simple.c b/examples/ratelimit/simple.c
index e05d608e..20dfb14d 100644
--- a/examples/ratelimit/simple.c
+++ b/examples/ratelimit/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "ratelimit-simple"
diff --git a/examples/rbtree/benchmark.c b/examples/rbtree/benchmark.c
index 86d73328..13079091 100644
--- a/examples/rbtree/benchmark.c
+++ b/examples/rbtree/benchmark.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2021-2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2021-2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "rbtree-benchmark"
diff --git a/examples/rbtree/selftest.c b/examples/rbtree/selftest.c
index 357ccbb0..0b51acb6 100644
--- a/examples/rbtree/selftest.c
+++ b/examples/rbtree/selftest.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/rbtree/simple.c b/examples/rbtree/simple.c
index 620de4c9..c3ede2fd 100644
--- a/examples/rbtree/simple.c
+++ b/examples/rbtree/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2021-2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2021-2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/respool/CMakeLists.txt b/examples/respool/CMakeLists.txt
index 677ce78e..7f78f2c6 100644
--- a/examples/respool/CMakeLists.txt
+++ b/examples/respool/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(respool-simple simple.c)
diff --git a/examples/respool/simple.c b/examples/respool/simple.c
index a0827c34..ef85710e 100644
--- a/examples/respool/simple.c
+++ b/examples/respool/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "respool-simple"
diff --git a/examples/ringbuf/simple.c b/examples/ringbuf/simple.c
index 47d8fac4..28d97ae5 100644
--- a/examples/ringbuf/simple.c
+++ b/examples/ringbuf/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/segtree/selftest.c b/examples/segtree/selftest.c
index e0ae638a..b8422253 100644
--- a/examples/segtree/selftest.c
+++ b/examples/segtree/selftest.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/skiplist/benchmark.c b/examples/skiplist/benchmark.c
index f4f18550..d1541b56 100644
--- a/examples/skiplist/benchmark.c
+++ b/examples/skiplist/benchmark.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "skiplist-benchmark"
diff --git a/examples/skiplist/selftest.c b/examples/skiplist/selftest.c
index 4c6b9aaa..bddbc0c9 100644
--- a/examples/skiplist/selftest.c
+++ b/examples/skiplist/selftest.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/slist/simple.c b/examples/slist/simple.c
index 03c4c195..4e0b8bb6 100644
--- a/examples/slist/simple.c
+++ b/examples/slist/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/sort/benchmark.c b/examples/sort/benchmark.c
index 0f65ee76..718d2ec0 100644
--- a/examples/sort/benchmark.c
+++ b/examples/sort/benchmark.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "sort-benchmark"
diff --git a/examples/sort/selftest.c b/examples/sort/selftest.c
index c65fe7c1..63005c70 100644
--- a/examples/sort/selftest.c
+++ b/examples/sort/selftest.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "sort-benchmark"
diff --git a/examples/textsearch/simple.c b/examples/textsearch/simple.c
index ce04e469..361b9c5f 100644
--- a/examples/textsearch/simple.c
+++ b/examples/textsearch/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdio.h>
diff --git a/examples/time.h b/examples/time.h
index 2e4ec9dd..f5e31fb8 100644
--- a/examples/time.h
+++ b/examples/time.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _EXAMPLES_TIME_H_
diff --git a/examples/tokenbucket/CMakeLists.txt b/examples/tokenbucket/CMakeLists.txt
index 6461772d..ceb809d7 100644
--- a/examples/tokenbucket/CMakeLists.txt
+++ b/examples/tokenbucket/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(tokenbucket-simple simple.c)
diff --git a/examples/tokenbucket/simple.c b/examples/tokenbucket/simple.c
index 88aa54d7..c61f5aec 100644
--- a/examples/tokenbucket/simple.c
+++ b/examples/tokenbucket/simple.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "tokenbucket-simple"
diff --git a/include/base.h b/include/base.h
index 23248a34..00c8bc83 100644
--- a/include/base.h
+++ b/include/base.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _LOCAL_BASE_H_
diff --git a/include/bfdev/action.h b/include/bfdev/action.h
index 4fe768f3..2bd79688 100644
--- a/include/bfdev/action.h
+++ b/include/bfdev/action.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ACTION_H_
diff --git a/include/bfdev/align.h b/include/bfdev/align.h
index 5a54859b..a5b9e0bb 100644
--- a/include/bfdev/align.h
+++ b/include/bfdev/align.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ALIGN_H_
diff --git a/include/bfdev/alloca.h b/include/bfdev/alloca.h
index b77f83be..978696f2 100644
--- a/include/bfdev/alloca.h
+++ b/include/bfdev/alloca.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ALLOCA_H_
diff --git a/include/bfdev/allocator.h b/include/bfdev/allocator.h
index ee103699..724c53b7 100644
--- a/include/bfdev/allocator.h
+++ b/include/bfdev/allocator.h
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
  * Copyright(c) 2023 ffashion <helloworldffashion@gmail.com>
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ALLOCATOR_H_
diff --git a/include/bfdev/allocpool.h b/include/bfdev/allocpool.h
index 2437353c..1125a4ad 100644
--- a/include/bfdev/allocpool.h
+++ b/include/bfdev/allocpool.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ALLOCPOOL_H_
diff --git a/include/bfdev/arc4.h b/include/bfdev/arc4.h
index a5e91e23..88518b1c 100644
--- a/include/bfdev/arc4.h
+++ b/include/bfdev/arc4.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ARC4_H_
diff --git a/include/bfdev/argv.h b/include/bfdev/argv.h
index 303da194..b492ebe2 100644
--- a/include/bfdev/argv.h
+++ b/include/bfdev/argv.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ARGV_H_
diff --git a/include/bfdev/array.h b/include/bfdev/array.h
index 2fc6afa2..b4952d50 100644
--- a/include/bfdev/array.h
+++ b/include/bfdev/array.h
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
  * Copyright(c) 2023 ffashion <helloworldffashion@gmail.com>
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ARRAY_H_
diff --git a/include/bfdev/ascii.h b/include/bfdev/ascii.h
index 88d5cc36..58472eef 100644
--- a/include/bfdev/ascii.h
+++ b/include/bfdev/ascii.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASCII_H_
diff --git a/include/bfdev/ascii85.h b/include/bfdev/ascii85.h
index 07a9691c..6aa1e03c 100644
--- a/include/bfdev/ascii85.h
+++ b/include/bfdev/ascii85.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASCII85_H_
diff --git a/include/bfdev/asm-generic/atomic.h b/include/bfdev/asm-generic/atomic.h
index 622fd99d..5ae68157 100644
--- a/include/bfdev/asm-generic/atomic.h
+++ b/include/bfdev/asm-generic/atomic.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASM_GENERIC_ATOMIC_H_
diff --git a/include/bfdev/asm-generic/barrier.h b/include/bfdev/asm-generic/barrier.h
index 1403c4c6..c14cc589 100644
--- a/include/bfdev/asm-generic/barrier.h
+++ b/include/bfdev/asm-generic/barrier.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASM_GENERIC_BARRIER_H_
diff --git a/include/bfdev/asm-generic/bitops.h b/include/bfdev/asm-generic/bitops.h
index 9524c2b9..e0180d03 100644
--- a/include/bfdev/asm-generic/bitops.h
+++ b/include/bfdev/asm-generic/bitops.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASM_GENERIC_BITOPS_H_
diff --git a/include/bfdev/asm-generic/bitsperlong.h b/include/bfdev/asm-generic/bitsperlong.h
index 967e60a4..9e3c6a7b 100644
--- a/include/bfdev/asm-generic/bitsperlong.h
+++ b/include/bfdev/asm-generic/bitsperlong.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASM_GENERIC_BITSPERLONG_H_
diff --git a/include/bfdev/asm-generic/builtin-clz.h b/include/bfdev/asm-generic/builtin-clz.h
index c7826246..ecf1332c 100644
--- a/include/bfdev/asm-generic/builtin-clz.h
+++ b/include/bfdev/asm-generic/builtin-clz.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASM_GENERIC_BUILTIN_CLZ_H_
diff --git a/include/bfdev/asm-generic/builtin-ctz.h b/include/bfdev/asm-generic/builtin-ctz.h
index e03f89a1..1db01a69 100644
--- a/include/bfdev/asm-generic/builtin-ctz.h
+++ b/include/bfdev/asm-generic/builtin-ctz.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASM_GENERIC_BUILTIN_CTZ_H_
diff --git a/include/bfdev/asm-generic/builtin-ffs.h b/include/bfdev/asm-generic/builtin-ffs.h
index 55d88a13..75bee6b1 100644
--- a/include/bfdev/asm-generic/builtin-ffs.h
+++ b/include/bfdev/asm-generic/builtin-ffs.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASM_GENERIC_BUILTIN_FFS_H_
diff --git a/include/bfdev/asm-generic/builtin-ffsuf.h b/include/bfdev/asm-generic/builtin-ffsuf.h
index e1c9ff3c..a8e0a086 100644
--- a/include/bfdev/asm-generic/builtin-ffsuf.h
+++ b/include/bfdev/asm-generic/builtin-ffsuf.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASM_GENERIC_BUILTIN_FFSUF_H_
diff --git a/include/bfdev/asm-generic/builtin-fls.h b/include/bfdev/asm-generic/builtin-fls.h
index e7df50d8..0fcf6329 100644
--- a/include/bfdev/asm-generic/builtin-fls.h
+++ b/include/bfdev/asm-generic/builtin-fls.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASM_GENERIC_BUILTIN_FLS_H_
diff --git a/include/bfdev/asm-generic/builtin-flsuf.h b/include/bfdev/asm-generic/builtin-flsuf.h
index 914d233b..cc12404a 100644
--- a/include/bfdev/asm-generic/builtin-flsuf.h
+++ b/include/bfdev/asm-generic/builtin-flsuf.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASM_GENERIC_BUILTIN_FLSUF_H_
diff --git a/include/bfdev/asm-generic/byteorder.h b/include/bfdev/asm-generic/byteorder.h
index a8c90e55..8be97879 100644
--- a/include/bfdev/asm-generic/byteorder.h
+++ b/include/bfdev/asm-generic/byteorder.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASM_GENERIC_BYTEORDER_H_
diff --git a/include/bfdev/asm-generic/cmpxchg.h b/include/bfdev/asm-generic/cmpxchg.h
index ec65072f..41cde250 100644
--- a/include/bfdev/asm-generic/cmpxchg.h
+++ b/include/bfdev/asm-generic/cmpxchg.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASM_GENERIC_CMPXCHG_H_
diff --git a/include/bfdev/asm-generic/dword-compiler.h b/include/bfdev/asm-generic/dword-compiler.h
index e2a3e788..8444ac05 100644
--- a/include/bfdev/asm-generic/dword-compiler.h
+++ b/include/bfdev/asm-generic/dword-compiler.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASM_GENERIC_DWORD_H_
diff --git a/include/bfdev/asm-generic/dword.h b/include/bfdev/asm-generic/dword.h
index 2a793267..b68e0721 100644
--- a/include/bfdev/asm-generic/dword.h
+++ b/include/bfdev/asm-generic/dword.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASM_GENERIC_DWORD_H_
diff --git a/include/bfdev/asm-generic/rwonce.h b/include/bfdev/asm-generic/rwonce.h
index 859f4097..d4cbdee3 100644
--- a/include/bfdev/asm-generic/rwonce.h
+++ b/include/bfdev/asm-generic/rwonce.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASM_GENERIC_RWONCE_H_
diff --git a/include/bfdev/asm-generic/swab.h b/include/bfdev/asm-generic/swab.h
index 129b52bc..db8679c8 100644
--- a/include/bfdev/asm-generic/swab.h
+++ b/include/bfdev/asm-generic/swab.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASM_GENERIC_SWAB_H_
diff --git a/include/bfdev/asm-generic/types.h b/include/bfdev/asm-generic/types.h
index c07e9ad0..0f3723a4 100644
--- a/include/bfdev/asm-generic/types.h
+++ b/include/bfdev/asm-generic/types.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASM_GENERIC_TYPES_H_
diff --git a/include/bfdev/asm-generic/unaligned.h b/include/bfdev/asm-generic/unaligned.h
index bae15abc..66cf2b6f 100644
--- a/include/bfdev/asm-generic/unaligned.h
+++ b/include/bfdev/asm-generic/unaligned.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ASM_GENERIC_UNALIGNED_H_
diff --git a/include/bfdev/atomic.h b/include/bfdev/atomic.h
index 957c8264..20a1ab8b 100644
--- a/include/bfdev/atomic.h
+++ b/include/bfdev/atomic.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ATOMIC_H_
diff --git a/include/bfdev/barrier.h b/include/bfdev/barrier.h
index e0ede334..6bc7379e 100644
--- a/include/bfdev/barrier.h
+++ b/include/bfdev/barrier.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BARRIER_H_
diff --git a/include/bfdev/base32.h b/include/bfdev/base32.h
index 76775f31..63bf8d5b 100644
--- a/include/bfdev/base32.h
+++ b/include/bfdev/base32.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BASE32_H_
diff --git a/include/bfdev/base64.h b/include/bfdev/base64.h
index 2cebd17d..b6179402 100644
--- a/include/bfdev/base64.h
+++ b/include/bfdev/base64.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BASE64_H_
diff --git a/include/bfdev/bcd.h b/include/bfdev/bcd.h
index 798add56..6c2bf863 100644
--- a/include/bfdev/bcd.h
+++ b/include/bfdev/bcd.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BCD_H_
diff --git a/include/bfdev/bitfield.h b/include/bfdev/bitfield.h
index 6dcd94ea..47488a7c 100644
--- a/include/bfdev/bitfield.h
+++ b/include/bfdev/bitfield.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BITFIELD_H_
diff --git a/include/bfdev/bitflags.h b/include/bfdev/bitflags.h
index 4cb3aacf..6441f2d3 100644
--- a/include/bfdev/bitflags.h
+++ b/include/bfdev/bitflags.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BITFLAGS_H_
diff --git a/include/bfdev/bitmap-comp.h b/include/bfdev/bitmap-comp.h
index f190aa34..769a0e54 100644
--- a/include/bfdev/bitmap-comp.h
+++ b/include/bfdev/bitmap-comp.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BITMAP_COMP_H_
diff --git a/include/bfdev/bitmap.h b/include/bfdev/bitmap.h
index 4c5a410f..10e318e3 100644
--- a/include/bfdev/bitmap.h
+++ b/include/bfdev/bitmap.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BITMAP_H_
diff --git a/include/bfdev/bitops-endian.h b/include/bfdev/bitops-endian.h
index a4573bf6..967db937 100644
--- a/include/bfdev/bitops-endian.h
+++ b/include/bfdev/bitops-endian.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BITOPS_ENDIAN_H_
diff --git a/include/bfdev/bitops.h b/include/bfdev/bitops.h
index 69e316d9..c44b35c1 100644
--- a/include/bfdev/bitops.h
+++ b/include/bfdev/bitops.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BITOPS_H_
diff --git a/include/bfdev/bitrev.h b/include/bfdev/bitrev.h
index bae87b37..d1d0bde5 100644
--- a/include/bfdev/bitrev.h
+++ b/include/bfdev/bitrev.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BITREV_H_
diff --git a/include/bfdev/bits.h b/include/bfdev/bits.h
index d3f7fe18..c555a72f 100644
--- a/include/bfdev/bits.h
+++ b/include/bfdev/bits.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BITS_H_
diff --git a/include/bfdev/bitwalk-comp.h b/include/bfdev/bitwalk-comp.h
index 12aa441d..bd20094d 100644
--- a/include/bfdev/bitwalk-comp.h
+++ b/include/bfdev/bitwalk-comp.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BITWALK_COMP_H_
diff --git a/include/bfdev/bitwalk.h b/include/bfdev/bitwalk.h
index 2a8492b3..02479f78 100644
--- a/include/bfdev/bitwalk.h
+++ b/include/bfdev/bitwalk.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BITWALK_H_
diff --git a/include/bfdev/bloom.h b/include/bfdev/bloom.h
index 21855702..d631f5a7 100644
--- a/include/bfdev/bloom.h
+++ b/include/bfdev/bloom.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BLOOM_H_
diff --git a/include/bfdev/bsearch.h b/include/bfdev/bsearch.h
index 04f4746d..5c40c41e 100644
--- a/include/bfdev/bsearch.h
+++ b/include/bfdev/bsearch.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BSEARCH_H_
diff --git a/include/bfdev/btree.h b/include/bfdev/btree.h
index 67a5e6f4..0b3c9e5c 100644
--- a/include/bfdev/btree.h
+++ b/include/bfdev/btree.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BTREE_H_
diff --git a/include/bfdev/buff.h b/include/bfdev/buff.h
index 31ce3cdb..6bb8f5ff 100644
--- a/include/bfdev/buff.h
+++ b/include/bfdev/buff.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BUFF_H_
diff --git a/include/bfdev/bug.h b/include/bfdev/bug.h
index cd0a4cc4..565d656e 100644
--- a/include/bfdev/bug.h
+++ b/include/bfdev/bug.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BUG_H_
diff --git a/include/bfdev/byteorder.h b/include/bfdev/byteorder.h
index 298c94b1..2856ed4e 100644
--- a/include/bfdev/byteorder.h
+++ b/include/bfdev/byteorder.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BYTEORDER_H_
diff --git a/include/bfdev/byteorder/big-endian.h b/include/bfdev/byteorder/big-endian.h
index 572a6c5b..726e0991 100644
--- a/include/bfdev/byteorder/big-endian.h
+++ b/include/bfdev/byteorder/big-endian.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BYTEORDER_BIG_ENDIAN_H_
diff --git a/include/bfdev/byteorder/little-endian.h b/include/bfdev/byteorder/little-endian.h
index 9b0dfd4c..cbca0f69 100644
--- a/include/bfdev/byteorder/little-endian.h
+++ b/include/bfdev/byteorder/little-endian.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_BYTEORDER_LITTLE_ENDIAN_H_
diff --git a/include/bfdev/cache.h b/include/bfdev/cache.h
index 7680a917..9acba534 100644
--- a/include/bfdev/cache.h
+++ b/include/bfdev/cache.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CACHE_H_
diff --git a/include/bfdev/callback.h b/include/bfdev/callback.h
index ec8e2de4..eec70aff 100644
--- a/include/bfdev/callback.h
+++ b/include/bfdev/callback.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CALLBACK_H_
diff --git a/include/bfdev/cdefs.h b/include/bfdev/cdefs.h
index 7bfd10e1..120405d0 100644
--- a/include/bfdev/cdefs.h
+++ b/include/bfdev/cdefs.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CDEFS_H_
diff --git a/include/bfdev/circle.h b/include/bfdev/circle.h
index 01aeb9a8..a53d409b 100644
--- a/include/bfdev/circle.h
+++ b/include/bfdev/circle.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CIRCLE_H_
diff --git a/include/bfdev/cmpxchg.h b/include/bfdev/cmpxchg.h
index 9c59a4ff..6f3d073f 100644
--- a/include/bfdev/cmpxchg.h
+++ b/include/bfdev/cmpxchg.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CMPXCHG_H_
diff --git a/include/bfdev/compiler.h b/include/bfdev/compiler.h
index 7ba025dd..c8c7974e 100644
--- a/include/bfdev/compiler.h
+++ b/include/bfdev/compiler.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_COMPILER_H_
diff --git a/include/bfdev/compiler/attributes.h b/include/bfdev/compiler/attributes.h
index 21398103..6fcbf4c2 100644
--- a/include/bfdev/compiler/attributes.h
+++ b/include/bfdev/compiler/attributes.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_COMPILER_ATTRIBUTES_H_
diff --git a/include/bfdev/compiler/types.h b/include/bfdev/compiler/types.h
index 863e81bf..10002deb 100644
--- a/include/bfdev/compiler/types.h
+++ b/include/bfdev/compiler/types.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_COMPILER_TYPES_H_
diff --git a/include/bfdev/const.h b/include/bfdev/const.h
index f25e6053..4c8a42e2 100644
--- a/include/bfdev/const.h
+++ b/include/bfdev/const.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CONST_H_
diff --git a/include/bfdev/container.h b/include/bfdev/container.h
index 866d816c..f756e069 100644
--- a/include/bfdev/container.h
+++ b/include/bfdev/container.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CONTAINER_H_
diff --git a/include/bfdev/crc.h b/include/bfdev/crc.h
index 34373a75..077655d3 100644
--- a/include/bfdev/crc.h
+++ b/include/bfdev/crc.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CRC_H_
diff --git a/include/bfdev/crypto/crc-ccitt-inline.h b/include/bfdev/crypto/crc-ccitt-inline.h
index 044c4f24..42037e55 100644
--- a/include/bfdev/crypto/crc-ccitt-inline.h
+++ b/include/bfdev/crypto/crc-ccitt-inline.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CRYPTO_CRC_CCITT_INLINE_H_
diff --git a/include/bfdev/crypto/crc-inline.h b/include/bfdev/crypto/crc-inline.h
index c9b30486..1defb99c 100644
--- a/include/bfdev/crypto/crc-inline.h
+++ b/include/bfdev/crypto/crc-inline.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CRYPTO_CRC_INLINE_H_
diff --git a/include/bfdev/crypto/crc-itut-inline.h b/include/bfdev/crypto/crc-itut-inline.h
index 610d0df9..6ef8042c 100644
--- a/include/bfdev/crypto/crc-itut-inline.h
+++ b/include/bfdev/crypto/crc-itut-inline.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CRYPTO_CRC_ITUT_INLINE_H_
diff --git a/include/bfdev/crypto/crc-rocksoft-inline.h b/include/bfdev/crypto/crc-rocksoft-inline.h
index 72fb7f47..5b6ef9b2 100644
--- a/include/bfdev/crypto/crc-rocksoft-inline.h
+++ b/include/bfdev/crypto/crc-rocksoft-inline.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CRYPTO_CRC_ROCKSOFT_INLINE_H_
diff --git a/include/bfdev/crypto/crc-t10dif-inline.h b/include/bfdev/crypto/crc-t10dif-inline.h
index 4d8fa622..88b470d6 100644
--- a/include/bfdev/crypto/crc-t10dif-inline.h
+++ b/include/bfdev/crypto/crc-t10dif-inline.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CRYPTO_CRC_T10DIF_INLINE_H_
diff --git a/include/bfdev/crypto/crc16-inline.h b/include/bfdev/crypto/crc16-inline.h
index 765c39e2..c7279281 100644
--- a/include/bfdev/crypto/crc16-inline.h
+++ b/include/bfdev/crypto/crc16-inline.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CRYPTO_CRC16_INLINE_H_
diff --git a/include/bfdev/crypto/crc32-inline.h b/include/bfdev/crypto/crc32-inline.h
index 994ecf26..f4f61a84 100644
--- a/include/bfdev/crypto/crc32-inline.h
+++ b/include/bfdev/crypto/crc32-inline.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CRYPTO_CRC32_INLINE_H_
diff --git a/include/bfdev/crypto/crc4-inline.h b/include/bfdev/crypto/crc4-inline.h
index 41998252..6f71c96d 100644
--- a/include/bfdev/crypto/crc4-inline.h
+++ b/include/bfdev/crypto/crc4-inline.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CRYPTO_CRC4_INLINE_H_
diff --git a/include/bfdev/crypto/crc64-inline.h b/include/bfdev/crypto/crc64-inline.h
index bfd27f47..7e7a023d 100644
--- a/include/bfdev/crypto/crc64-inline.h
+++ b/include/bfdev/crypto/crc64-inline.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CRYPTO_CRC64_INLINE_H_
diff --git a/include/bfdev/crypto/crc7-inline.h b/include/bfdev/crypto/crc7-inline.h
index f24eb91f..9e9aee67 100644
--- a/include/bfdev/crypto/crc7-inline.h
+++ b/include/bfdev/crypto/crc7-inline.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CRYPTO_CRC7_INLINE_H_
diff --git a/include/bfdev/crypto/crc8-inline.h b/include/bfdev/crypto/crc8-inline.h
index 4f8121ad..eeff24b6 100644
--- a/include/bfdev/crypto/crc8-inline.h
+++ b/include/bfdev/crypto/crc8-inline.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CRYPTO_CRC8_INLINE_H_
diff --git a/include/bfdev/crypto/md5-base.h b/include/bfdev/crypto/md5-base.h
index 7f4b7800..bdf68bdd 100644
--- a/include/bfdev/crypto/md5-base.h
+++ b/include/bfdev/crypto/md5-base.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(C) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(C) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CRYPTO_MD5_BASE_H_
diff --git a/include/bfdev/crypto/md5.h b/include/bfdev/crypto/md5.h
index 1455a1b0..c03f4461 100644
--- a/include/bfdev/crypto/md5.h
+++ b/include/bfdev/crypto/md5.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(C) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(C) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CRYPTO_MD5_H_
diff --git a/include/bfdev/crypto/sha1-base.h b/include/bfdev/crypto/sha1-base.h
index e8384eb9..f8a1713b 100644
--- a/include/bfdev/crypto/sha1-base.h
+++ b/include/bfdev/crypto/sha1-base.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CRYPTO_SHA1_BASE_H_
diff --git a/include/bfdev/crypto/sha1.h b/include/bfdev/crypto/sha1.h
index 9cfbcb12..c76ffed9 100644
--- a/include/bfdev/crypto/sha1.h
+++ b/include/bfdev/crypto/sha1.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CRYPTO_SHA1_H_
diff --git a/include/bfdev/crypto/sha2-base.h b/include/bfdev/crypto/sha2-base.h
index 1061bcf9..fdb48972 100644
--- a/include/bfdev/crypto/sha2-base.h
+++ b/include/bfdev/crypto/sha2-base.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CRYPTO_SHA2_BASE_H_
diff --git a/include/bfdev/crypto/sha2.h b/include/bfdev/crypto/sha2.h
index 186ece10..1e4d84f7 100644
--- a/include/bfdev/crypto/sha2.h
+++ b/include/bfdev/crypto/sha2.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CRYPTO_SHA2_H_
diff --git a/include/bfdev/ctype.h b/include/bfdev/ctype.h
index c6cbe1f5..abb47c79 100644
--- a/include/bfdev/ctype.h
+++ b/include/bfdev/ctype.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_CTYPE_H_
diff --git a/include/bfdev/dword.h b/include/bfdev/dword.h
index a2aea744..8b14f4cc 100644
--- a/include/bfdev/dword.h
+++ b/include/bfdev/dword.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_DWORD_H_
diff --git a/include/bfdev/errname.h b/include/bfdev/errname.h
index fd983a12..359e3a39 100644
--- a/include/bfdev/errname.h
+++ b/include/bfdev/errname.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ERRNAME_H_
diff --git a/include/bfdev/errno.h b/include/bfdev/errno.h
index cfc78f5c..d8f7cb73 100644
--- a/include/bfdev/errno.h
+++ b/include/bfdev/errno.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ERRNO_H_
diff --git a/include/bfdev/errptr.h b/include/bfdev/errptr.h
index e949ad7a..e12dd089 100644
--- a/include/bfdev/errptr.h
+++ b/include/bfdev/errptr.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ERRPTR_H_
diff --git a/include/bfdev/fifo.h b/include/bfdev/fifo.h
index 81df21d3..78d51bf6 100644
--- a/include/bfdev/fifo.h
+++ b/include/bfdev/fifo.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_FIFO_H_
diff --git a/include/bfdev/fsm.h b/include/bfdev/fsm.h
index 1f607d2d..cd9f9196 100644
--- a/include/bfdev/fsm.h
+++ b/include/bfdev/fsm.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_FSM_H_
diff --git a/include/bfdev/glob.h b/include/bfdev/glob.h
index 3502530e..2974f988 100644
--- a/include/bfdev/glob.h
+++ b/include/bfdev/glob.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_GLOB_H_
diff --git a/include/bfdev/guards.h b/include/bfdev/guards.h
index eb8e7c8d..8433aff1 100644
--- a/include/bfdev/guards.h
+++ b/include/bfdev/guards.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_GUARDS_H_
diff --git a/include/bfdev/hash.h b/include/bfdev/hash.h
index a073c245..2d1f0039 100644
--- a/include/bfdev/hash.h
+++ b/include/bfdev/hash.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_HASH_H_
diff --git a/include/bfdev/hashmap.h b/include/bfdev/hashmap.h
index 8b52b970..adfa128b 100644
--- a/include/bfdev/hashmap.h
+++ b/include/bfdev/hashmap.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_HASHMAP_H_
diff --git a/include/bfdev/hashtbl.h b/include/bfdev/hashtbl.h
index 84e09303..aa04f5a3 100644
--- a/include/bfdev/hashtbl.h
+++ b/include/bfdev/hashtbl.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_HASHTBL_H_
diff --git a/include/bfdev/heap.h b/include/bfdev/heap.h
index 19fc6084..400d1a63 100644
--- a/include/bfdev/heap.h
+++ b/include/bfdev/heap.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_HEAP_H_
diff --git a/include/bfdev/hlist.h b/include/bfdev/hlist.h
index a24637d2..8f5b7e38 100644
--- a/include/bfdev/hlist.h
+++ b/include/bfdev/hlist.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_HLIST_H_
diff --git a/include/bfdev/ilist.h b/include/bfdev/ilist.h
index be594c3d..55cf69c6 100644
--- a/include/bfdev/ilist.h
+++ b/include/bfdev/ilist.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ILIST_H_
diff --git a/include/bfdev/jhash.h b/include/bfdev/jhash.h
index 5c9fa8f6..5b00984a 100644
--- a/include/bfdev/jhash.h
+++ b/include/bfdev/jhash.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_JHASH_H_
diff --git a/include/bfdev/knuth.h b/include/bfdev/knuth.h
index fc0b8f05..7444fdf5 100644
--- a/include/bfdev/knuth.h
+++ b/include/bfdev/knuth.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_KNUTH_H_
diff --git a/include/bfdev/level.h b/include/bfdev/level.h
index c3418a2f..4422691d 100644
--- a/include/bfdev/level.h
+++ b/include/bfdev/level.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_LEVEL_H_
diff --git a/include/bfdev/levenshtein.h b/include/bfdev/levenshtein.h
index de249785..987d579c 100644
--- a/include/bfdev/levenshtein.h
+++ b/include/bfdev/levenshtein.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_LEVENSHTEIN_H_
diff --git a/include/bfdev/limits.h b/include/bfdev/limits.h
index d82cabd4..11b74ab9 100644
--- a/include/bfdev/limits.h
+++ b/include/bfdev/limits.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_LIMITS_H_
diff --git a/include/bfdev/list.h b/include/bfdev/list.h
index 53425af5..5fe53793 100644
--- a/include/bfdev/list.h
+++ b/include/bfdev/list.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_LIST_H_
diff --git a/include/bfdev/llist.h b/include/bfdev/llist.h
index 9dae6bc5..ead516c9 100644
--- a/include/bfdev/llist.h
+++ b/include/bfdev/llist.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_LLIST_H_
diff --git a/include/bfdev/log.h b/include/bfdev/log.h
index cf54c7d8..109c8b78 100644
--- a/include/bfdev/log.h
+++ b/include/bfdev/log.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_LOG_H_
diff --git a/include/bfdev/log2.h b/include/bfdev/log2.h
index 6e8fbf43..eccdc7b1 100644
--- a/include/bfdev/log2.h
+++ b/include/bfdev/log2.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_LOG2_H_
diff --git a/include/bfdev/macro.h b/include/bfdev/macro.h
index 5e3844a5..3771d40f 100644
--- a/include/bfdev/macro.h
+++ b/include/bfdev/macro.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_MACRO_H_
diff --git a/include/bfdev/math.h b/include/bfdev/math.h
index 899df358..0b911b69 100644
--- a/include/bfdev/math.h
+++ b/include/bfdev/math.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_MATH_H_
diff --git a/include/bfdev/matrix.h b/include/bfdev/matrix.h
index 740b66f3..e3a6521c 100644
--- a/include/bfdev/matrix.h
+++ b/include/bfdev/matrix.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_MATRIX_H_
diff --git a/include/bfdev/md5.h b/include/bfdev/md5.h
index 18ff708d..f162ddcc 100644
--- a/include/bfdev/md5.h
+++ b/include/bfdev/md5.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_MD5_H_
diff --git a/include/bfdev/memalloc.h b/include/bfdev/memalloc.h
index c5d36b80..92a19f49 100644
--- a/include/bfdev/memalloc.h
+++ b/include/bfdev/memalloc.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_MEMALLOC_H_
diff --git a/include/bfdev/mhelper.h b/include/bfdev/mhelper.h
index afc1b86e..f27b3a96 100644
--- a/include/bfdev/mhelper.h
+++ b/include/bfdev/mhelper.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_MHELPER_H_
diff --git a/include/bfdev/minmax.h b/include/bfdev/minmax.h
index 7cde6022..1c442b6b 100644
--- a/include/bfdev/minmax.h
+++ b/include/bfdev/minmax.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_MINMAX_H_
diff --git a/include/bfdev/modules/log.h b/include/bfdev/modules/log.h
new file mode 100644
index 00000000..a13bc7f7
--- /dev/null
+++ b/include/bfdev/modules/log.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: LGPL-3.0-or-later */
+/*
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
+ */
+
+#ifndef _BFDEV_MODULES_LOG_H_
+#define _BFDEV_MODULES_LOG_H_
+
+#include <bfdev/config.h>
+#include <bfdev/log.h>
+
+BFDEV_BEGIN_DECLS
+
+extern bfdev_log_chain_t
+bfdev_log_chain_hostname;
+
+extern bfdev_log_chain_t
+bfdev_log_chain_localtime;
+
+extern bfdev_log_chain_t
+bfdev_log_chain_pid;
+
+extern int
+bfdev_log_localtime_enable(bfdev_log_t *log);
+
+extern void
+bfdev_log_localtime_disable(bfdev_log_t *log);
+
+extern int
+bfdev_log_hostname_enable(bfdev_log_t *log);
+
+extern void
+bfdev_log_hostname_disable(bfdev_log_t *log);
+
+extern int
+bfdev_log_pid_enable(bfdev_log_t *log);
+
+extern void
+bfdev_log_pid_disable(bfdev_log_t *log);
+
+BFDEV_END_DECLS
+
+#endif /* _BFDEV_TEMPLATE_BTREE_H_ */
diff --git a/include/bfdev/mpi.h b/include/bfdev/mpi.h
index 15b6987c..e3729380 100644
--- a/include/bfdev/mpi.h
+++ b/include/bfdev/mpi.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_MPI_H_
diff --git a/include/bfdev/notifier.h b/include/bfdev/notifier.h
index b2bcc481..c1b2ca14 100644
--- a/include/bfdev/notifier.h
+++ b/include/bfdev/notifier.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_NOTIFIER_H_
diff --git a/include/bfdev/once.h b/include/bfdev/once.h
index 8322b1cc..c6a36e16 100644
--- a/include/bfdev/once.h
+++ b/include/bfdev/once.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_ONCE_H_
diff --git a/include/bfdev/overflow.h b/include/bfdev/overflow.h
index fca71b25..0b647275 100644
--- a/include/bfdev/overflow.h
+++ b/include/bfdev/overflow.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_OVERFLOW_H_
diff --git a/include/bfdev/poison.h b/include/bfdev/poison.h
index 6859b997..63fd20ad 100644
--- a/include/bfdev/poison.h
+++ b/include/bfdev/poison.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_POISON_H_
diff --git a/include/bfdev/popcount.h b/include/bfdev/popcount.h
index e2a318fd..3aba78f6 100644
--- a/include/bfdev/popcount.h
+++ b/include/bfdev/popcount.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_POPCOUNT_H_
diff --git a/include/bfdev/port/stdarg.h b/include/bfdev/port/stdarg.h
index 7a8efdbb..b843c936 100644
--- a/include/bfdev/port/stdarg.h
+++ b/include/bfdev/port/stdarg.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_PORT_STDARG_H_
diff --git a/include/bfdev/port/stdbool.h b/include/bfdev/port/stdbool.h
index 0a851553..968a4902 100644
--- a/include/bfdev/port/stdbool.h
+++ b/include/bfdev/port/stdbool.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_PORT_STDBOOL_H_
diff --git a/include/bfdev/port/stddef.h b/include/bfdev/port/stddef.h
index c33d2864..1af84bc9 100644
--- a/include/bfdev/port/stddef.h
+++ b/include/bfdev/port/stddef.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_PORT_STDDEF_H_
diff --git a/include/bfdev/port/stdlib.h b/include/bfdev/port/stdlib.h
index 4219c5e1..444b64d3 100644
--- a/include/bfdev/port/stdlib.h
+++ b/include/bfdev/port/stdlib.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_PORT_STDLIB_H_
diff --git a/include/bfdev/port/string.h b/include/bfdev/port/string.h
index 90f6ce86..06a2f97c 100644
--- a/include/bfdev/port/string.h
+++ b/include/bfdev/port/string.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_PORT_STRING_H_
diff --git a/include/bfdev/prandom.h b/include/bfdev/prandom.h
index 3e696a60..16df367e 100644
--- a/include/bfdev/prandom.h
+++ b/include/bfdev/prandom.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_PRANDOM_H_
diff --git a/include/bfdev/radix.h b/include/bfdev/radix.h
index 34aa5225..9cab2282 100644
--- a/include/bfdev/radix.h
+++ b/include/bfdev/radix.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_RADIX_H_
diff --git a/include/bfdev/ratelimit.h b/include/bfdev/ratelimit.h
index 68efe85b..5dbb573d 100644
--- a/include/bfdev/ratelimit.h
+++ b/include/bfdev/ratelimit.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_RATELIMIT_H_
diff --git a/include/bfdev/rbtree.h b/include/bfdev/rbtree.h
index 92e5c733..e7a181b4 100644
--- a/include/bfdev/rbtree.h
+++ b/include/bfdev/rbtree.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_RBTREE_H_
diff --git a/include/bfdev/refcount.h b/include/bfdev/refcount.h
index a025827f..66f59bc2 100644
--- a/include/bfdev/refcount.h
+++ b/include/bfdev/refcount.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_REFCNT_H_
diff --git a/include/bfdev/respool.h b/include/bfdev/respool.h
index 962754a4..afa16a3d 100644
--- a/include/bfdev/respool.h
+++ b/include/bfdev/respool.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_RESPOOL_H_
diff --git a/include/bfdev/ringbuf.h b/include/bfdev/ringbuf.h
index 0ac05f94..d0efdc8d 100644
--- a/include/bfdev/ringbuf.h
+++ b/include/bfdev/ringbuf.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_RINGBUF_H_
diff --git a/include/bfdev/scnprintf.h b/include/bfdev/scnprintf.h
index c805e37b..3d2dfcd8 100644
--- a/include/bfdev/scnprintf.h
+++ b/include/bfdev/scnprintf.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_SCNPRINTF_H_
diff --git a/include/bfdev/segtree.h b/include/bfdev/segtree.h
index a0de3790..99ff6e9c 100644
--- a/include/bfdev/segtree.h
+++ b/include/bfdev/segtree.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_SEGTREE_H_
diff --git a/include/bfdev/sha1.h b/include/bfdev/sha1.h
index 7c072499..b0ec333c 100644
--- a/include/bfdev/sha1.h
+++ b/include/bfdev/sha1.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_SHA1_H_
diff --git a/include/bfdev/sha2.h b/include/bfdev/sha2.h
index 1a31af44..ef527cf8 100644
--- a/include/bfdev/sha2.h
+++ b/include/bfdev/sha2.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_SHA2_H_
diff --git a/include/bfdev/size.h b/include/bfdev/size.h
index f32496d2..3a28a42b 100644
--- a/include/bfdev/size.h
+++ b/include/bfdev/size.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_SIZE_H_
diff --git a/include/bfdev/skiplist.h b/include/bfdev/skiplist.h
index 6ac89774..8c868b4d 100644
--- a/include/bfdev/skiplist.h
+++ b/include/bfdev/skiplist.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_SKIPLIST_H_
diff --git a/include/bfdev/slist.h b/include/bfdev/slist.h
index 467f354b..17db72df 100644
--- a/include/bfdev/slist.h
+++ b/include/bfdev/slist.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_SLIST_H_
diff --git a/include/bfdev/sort.h b/include/bfdev/sort.h
index 19571584..f108adc1 100644
--- a/include/bfdev/sort.h
+++ b/include/bfdev/sort.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_SORT_H_
diff --git a/include/bfdev/stdarg.h b/include/bfdev/stdarg.h
index b3d5f1dd..9cb61cac 100644
--- a/include/bfdev/stdarg.h
+++ b/include/bfdev/stdarg.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_STDARG_H_
diff --git a/include/bfdev/stddef.h b/include/bfdev/stddef.h
index ee049b3a..69c583a3 100644
--- a/include/bfdev/stddef.h
+++ b/include/bfdev/stddef.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_STDDEF_H_
diff --git a/include/bfdev/stdlib.h b/include/bfdev/stdlib.h
index a0a60815..71ed239a 100644
--- a/include/bfdev/stdlib.h
+++ b/include/bfdev/stdlib.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_STDLIB_H_
diff --git a/include/bfdev/string.h b/include/bfdev/string.h
index 30975529..69efde5e 100644
--- a/include/bfdev/string.h
+++ b/include/bfdev/string.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_STRING_H_
diff --git a/include/bfdev/stringhash.h b/include/bfdev/stringhash.h
index 4aff8eff..ae0fa0b1 100644
--- a/include/bfdev/stringhash.h
+++ b/include/bfdev/stringhash.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_STRINGHASH_H_
diff --git a/include/bfdev/stringify.h b/include/bfdev/stringify.h
index 16246b7b..4ea5f7f6 100644
--- a/include/bfdev/stringify.h
+++ b/include/bfdev/stringify.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_STRINGIFY_H_
diff --git a/include/bfdev/struct.h b/include/bfdev/struct.h
index e26a925b..242098ac 100644
--- a/include/bfdev/struct.h
+++ b/include/bfdev/struct.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_STRUCT_H_
diff --git a/include/bfdev/swab.h b/include/bfdev/swab.h
index b5eeb717..4f1e214a 100644
--- a/include/bfdev/swab.h
+++ b/include/bfdev/swab.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_SWAB_H_
diff --git a/include/bfdev/template/array.h b/include/bfdev/template/array.h
index d190cbe9..c1347a74 100644
--- a/include/bfdev/template/array.h
+++ b/include/bfdev/template/array.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_TEMPLATE_ARRAY_H_
diff --git a/include/bfdev/template/btree.h b/include/bfdev/template/btree.h
index c258ecfd..a025d851 100644
--- a/include/bfdev/template/btree.h
+++ b/include/bfdev/template/btree.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_TEMPLATE_BTREE_H_
diff --git a/include/bfdev/textsearch.h b/include/bfdev/textsearch.h
index 722caab0..17da719c 100644
--- a/include/bfdev/textsearch.h
+++ b/include/bfdev/textsearch.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_TEXTSEARCH_H_
diff --git a/include/bfdev/time.h b/include/bfdev/time.h
index 91e9af04..cc15f2ab 100644
--- a/include/bfdev/time.h
+++ b/include/bfdev/time.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_TIME_H_
diff --git a/include/bfdev/titer.h b/include/bfdev/titer.h
index a9734dac..dcd597ba 100644
--- a/include/bfdev/titer.h
+++ b/include/bfdev/titer.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_TITER_H_
diff --git a/include/bfdev/tokenbucket.h b/include/bfdev/tokenbucket.h
index 31632f5a..ec57a3a7 100644
--- a/include/bfdev/tokenbucket.h
+++ b/include/bfdev/tokenbucket.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_TOKENBUCKET_H_
diff --git a/include/bfdev/typecheck.h b/include/bfdev/typecheck.h
index 83c6e32f..6052924f 100644
--- a/include/bfdev/typecheck.h
+++ b/include/bfdev/typecheck.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_TYPECHECK_H_
diff --git a/include/bfdev/types.h b/include/bfdev/types.h
index e13fdf52..9bbd11d3 100644
--- a/include/bfdev/types.h
+++ b/include/bfdev/types.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_TYPES_H_
diff --git a/include/bfdev/unaligned.h b/include/bfdev/unaligned.h
index d65d59b0..08db6752 100644
--- a/include/bfdev/unaligned.h
+++ b/include/bfdev/unaligned.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_UNALIGNED_H_
diff --git a/include/bfdev/uplower.h b/include/bfdev/uplower.h
index fc3d2418..6a87586a 100644
--- a/include/bfdev/uplower.h
+++ b/include/bfdev/uplower.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_UPLOWER_
diff --git a/include/bfdev/xprintf.h b/include/bfdev/xprintf.h
index c31c0e7e..09bf730f 100644
--- a/include/bfdev/xprintf.h
+++ b/include/bfdev/xprintf.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_XPRINTF_H_
diff --git a/include/export.h b/include/export.h
index b032eee8..c6248101 100644
--- a/include/export.h
+++ b/include/export.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _LOCAL_EXPORT_H_
diff --git a/include/port/allocator.h b/include/port/allocator.h
index cc8de9e0..6f08f8ff 100644
--- a/include/port/allocator.h
+++ b/include/port/allocator.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _LOCAL_PORT_ALLOCATOR_H_
diff --git a/include/port/log.h b/include/port/log.h
index ed3025b9..a6c648fd 100644
--- a/include/port/log.h
+++ b/include/port/log.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _LOCAL_PORT_LOG_H_
diff --git a/include/port/stdio.h b/include/port/stdio.h
index 21947506..e8f8cb94 100644
--- a/include/port/stdio.h
+++ b/include/port/stdio.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _LOCAL_PORT_STDIO_H_
diff --git a/include/port/stdlib.h b/include/port/stdlib.h
index e5449b54..cc345a4c 100644
--- a/include/port/stdlib.h
+++ b/include/port/stdlib.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _LOCAL_PORT_STDLIB_H_
diff --git a/include/port/string.h b/include/port/string.h
index 27314c9e..77ce2bf6 100644
--- a/include/port/string.h
+++ b/include/port/string.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _LOCAL_PORT_STRING_H_
diff --git a/modules/build.cmake b/modules/build.cmake
new file mode 100644
index 00000000..7b249c54
--- /dev/null
+++ b/modules/build.cmake
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
+#
+
+set(BFDEV_SOURCE
+    ${BFDEV_SOURCE}
+    ${CMAKE_CURRENT_LIST_DIR}/log-hostname.c
+    ${CMAKE_CURRENT_LIST_DIR}/log-localtime.c
+    ${CMAKE_CURRENT_LIST_DIR}/log-pid.c
+)
diff --git a/modules/log-hostname.c b/modules/log-hostname.c
new file mode 100644
index 00000000..d08be772
--- /dev/null
+++ b/modules/log-hostname.c
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: LGPL-3.0-or-later */
+/*
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
+ */
+
+#include <bfdev/log.h>
+#include <bfdev/modules/log.h>
+#include <sys/utsname.h>
+#include <export.h>
+
+static int
+log_hook_hostname(bfdev_log_message_t *msg, void *pdata)
+{
+	struct utsname sys_info;
+
+	if (uname(&sys_info) < 0)
+		return -BFDEV_EFAULT;
+
+	return bfdev_msg_append(msg, "%s ", sys_info.nodename);
+}
+
+export bfdev_log_chain_t
+bfdev_log_chain_hostname = {
+	.func = log_hook_hostname,
+	.priority = -200,
+};
+
+export int
+bfdev_log_hostname_enable(bfdev_log_t *log)
+{
+	return bfdev_log_hook_register(log, &bfdev_log_chain_hostname);
+}
+
+export void
+bfdev_log_hostname_disable(bfdev_log_t *log)
+{
+	bfdev_log_hook_unregister(log, &bfdev_log_chain_hostname);
+}
diff --git a/modules/log-localtime.c b/modules/log-localtime.c
new file mode 100644
index 00000000..99a35897
--- /dev/null
+++ b/modules/log-localtime.c
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: LGPL-3.0-or-later */
+/*
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
+ */
+
+#include <bfdev/log.h>
+#include <bfdev/modules/log.h>
+#include <time.h>
+#include <export.h>
+
+static int
+log_hook_localtime(bfdev_log_message_t *msg, void *pdata)
+{
+    struct tm *tm_info;
+    time_t timestamp;
+    char buff[64];
+
+    time(&timestamp);
+    tm_info = localtime(&timestamp);
+    strftime(buff, sizeof(buff), "%a %b %d %H:%M:%S %p %Z %Y", tm_info);
+
+    return bfdev_msg_append(msg, "<%s> ", buff);
+}
+
+export bfdev_log_chain_t
+bfdev_log_chain_localtime = {
+    .func = log_hook_localtime,
+    .priority = -1000,
+};
+
+export int
+bfdev_log_localtime_enable(bfdev_log_t *log)
+{
+    return bfdev_log_hook_register(log, &bfdev_log_chain_localtime);
+}
+
+export void
+bfdev_log_localtime_disable(bfdev_log_t *log)
+{
+    bfdev_log_hook_unregister(log, &bfdev_log_chain_localtime);
+}
diff --git a/modules/log-pid.c b/modules/log-pid.c
new file mode 100644
index 00000000..b0069e4f
--- /dev/null
+++ b/modules/log-pid.c
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: LGPL-3.0-or-later */
+/*
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
+ */
+
+#include <bfdev/log.h>
+#include <bfdev/modules/log.h>
+#include <unistd.h>
+#include <export.h>
+
+static int
+log_hook_pid(bfdev_log_message_t *msg, void *pdata)
+{
+	return bfdev_msg_append(msg, "(pid: %d) ", getpid());
+}
+
+export bfdev_log_chain_t
+bfdev_log_chain_pid = {
+	.func = log_hook_pid,
+	.priority = -100,
+};
+
+export int
+bfdev_log_pid_enable(bfdev_log_t *log)
+{
+	return bfdev_log_hook_register(log, &bfdev_log_chain_pid);
+}
+
+export void
+bfdev_log_pid_disable(bfdev_log_t *log)
+{
+	bfdev_log_hook_unregister(log, &bfdev_log_chain_pid);
+}
diff --git a/port/build.cmake b/port/build.cmake
index 00892f44..f7e02a87 100644
--- a/port/build.cmake
+++ b/port/build.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 #
-# Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 if(BFDEV_PORT_TYPE)
diff --git a/port/generic/build.cmake b/port/generic/build.cmake
index 196adb4a..084c8de5 100644
--- a/port/generic/build.cmake
+++ b/port/generic/build.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 #
-# Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 set(BFDEV_SOURCE
diff --git a/port/generic/log.c b/port/generic/log.c
index 537302be..dfef7d43 100644
--- a/port/generic/log.c
+++ b/port/generic/log.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <port/stdio.h>
diff --git a/port/generic/stdio.c b/port/generic/stdio.c
index 6278233e..08b3c724 100644
--- a/port/generic/stdio.c
+++ b/port/generic/stdio.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/xprintf.h>
diff --git a/port/generic/stdlib.c b/port/generic/stdlib.c
index bfa64326..74ad3d34 100644
--- a/port/generic/stdlib.c
+++ b/port/generic/stdlib.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <port/stdlib.h>
diff --git a/port/generic/string.c b/port/generic/string.c
index ce22bfb7..ba756d29 100644
--- a/port/generic/string.c
+++ b/port/generic/string.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <port/string.h>
diff --git a/port/posix/build.cmake b/port/posix/build.cmake
index a58f48d8..3c200be3 100644
--- a/port/posix/build.cmake
+++ b/port/posix/build.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 #
-# Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 set(BFDEV_SOURCE
diff --git a/port/posix/log.c b/port/posix/log.c
index d9743c10..46a00992 100644
--- a/port/posix/log.c
+++ b/port/posix/log.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <port/stdio.h>
diff --git a/port/posix/stdio.c b/port/posix/stdio.c
index 9b6948d2..26993c72 100644
--- a/port/posix/stdio.c
+++ b/port/posix/stdio.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <port/stdio.h>
diff --git a/port/posix/stdlib.c b/port/posix/stdlib.c
index c65680e0..0e76ccdc 100644
--- a/port/posix/stdlib.c
+++ b/port/posix/stdlib.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <port/stdlib.h>
diff --git a/port/posix/string.c b/port/posix/string.c
index 28fee713..e1b7c4c5 100644
--- a/port/posix/string.c
+++ b/port/posix/string.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <port/string.h>
diff --git a/port/tests/build.cmake b/port/tests/build.cmake
index 80c54f5d..cd66cf93 100644
--- a/port/tests/build.cmake
+++ b/port/tests/build.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 #
-# Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 if(BFDEV_PORT_TYPE STREQUAL "posix")
diff --git a/port/tests/typecheck.c b/port/tests/typecheck.c
index 31cb34bf..c9901ed2 100644
--- a/port/tests/typecheck.c
+++ b/port/tests/typecheck.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev.h>
diff --git a/scripts/CMakeLists.txt b/scripts/CMakeLists.txt
index 1b5fdc6b..18461579 100644
--- a/scripts/CMakeLists.txt
+++ b/scripts/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 set(HOST_C_FLAGS
diff --git a/scripts/asm-generic.cmake b/scripts/asm-generic.cmake
index bd4b1b86..2eb107b9 100644
--- a/scripts/asm-generic.cmake
+++ b/scripts/asm-generic.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 function(asm_generic prefix generated compare source)
diff --git a/scripts/check.cmake b/scripts/check.cmake
index be70d05c..deee3449 100644
--- a/scripts/check.cmake
+++ b/scripts/check.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 function(check_header_and_exit name)
diff --git a/scripts/commit.cmake b/scripts/commit.cmake
index 108d1bd2..598f226e 100644
--- a/scripts/commit.cmake
+++ b/scripts/commit.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 macro(commit_hash hash)
diff --git a/scripts/compare-type.c b/scripts/compare-type.c
index 09af0a19..f59eac90 100644
--- a/scripts/compare-type.c
+++ b/scripts/compare-type.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdint.h>
diff --git a/scripts/gen-crc.c b/scripts/gen-crc.c
index 574405b0..de332baa 100644
--- a/scripts/gen-crc.c
+++ b/scripts/gen-crc.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdint.h>
diff --git a/scripts/gen-crc16.c b/scripts/gen-crc16.c
index 01c4d144..751e5779 100644
--- a/scripts/gen-crc16.c
+++ b/scripts/gen-crc16.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define GENCRC_NAME crc16
diff --git a/scripts/gen-crc16be.c b/scripts/gen-crc16be.c
index 320f864a..ed456793 100644
--- a/scripts/gen-crc16be.c
+++ b/scripts/gen-crc16be.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define GENCRC_NAME crc16be
diff --git a/scripts/gen-crc32.c b/scripts/gen-crc32.c
index c8f33d00..b458e63d 100644
--- a/scripts/gen-crc32.c
+++ b/scripts/gen-crc32.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define GENCRC_NAME crc32
diff --git a/scripts/gen-crc32be.c b/scripts/gen-crc32be.c
index 4ee7eae7..fc9d11ca 100644
--- a/scripts/gen-crc32be.c
+++ b/scripts/gen-crc32be.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define GENCRC_NAME crc32be
diff --git a/scripts/gen-crc64.c b/scripts/gen-crc64.c
index 54b43a7b..d8845ea3 100644
--- a/scripts/gen-crc64.c
+++ b/scripts/gen-crc64.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define GENCRC_NAME crc64
diff --git a/scripts/gen-crc64be.c b/scripts/gen-crc64be.c
index 0dfae10d..06a43c55 100644
--- a/scripts/gen-crc64be.c
+++ b/scripts/gen-crc64be.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define GENCRC_NAME crc64be
diff --git a/scripts/gen-crc8.c b/scripts/gen-crc8.c
index 9fe80c92..aa14d501 100644
--- a/scripts/gen-crc8.c
+++ b/scripts/gen-crc8.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define GENCRC_NAME crc8
diff --git a/scripts/get-type.cmake b/scripts/get-type.cmake
index 2d86c16b..60bee28b 100644
--- a/scripts/get-type.cmake
+++ b/scripts/get-type.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 function(compare_type result type1 type2)
diff --git a/scripts/hostrule.cmake b/scripts/hostrule.cmake
index 6ec0ea1a..18757404 100644
--- a/scripts/hostrule.cmake
+++ b/scripts/hostrule.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 function(host_target target)
diff --git a/scripts/packed-header.cmake b/scripts/packed-header.cmake
index 978ba9d7..36f95a21 100644
--- a/scripts/packed-header.cmake
+++ b/scripts/packed-header.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 function(packed_header prefix name genfile)
diff --git a/scripts/platform.cmake b/scripts/platform.cmake
index 167ce759..3a82c685 100644
--- a/scripts/platform.cmake
+++ b/scripts/platform.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 if(CMAKE_SYSTEM_NAME MATCHES "Linux|Android|Darwin|GNU")
diff --git a/scripts/sanitize.cmake b/scripts/sanitize.cmake
index 50a5dadc..b4e46bf4 100644
--- a/scripts/sanitize.cmake
+++ b/scripts/sanitize.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 if(BFDEV_ASAN)
diff --git a/src/allocpool.c b/src/allocpool.c
index a212577a..245bdf5c 100644
--- a/src/allocpool.c
+++ b/src/allocpool.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/argv.c b/src/argv.c
index 71845551..477c3575 100644
--- a/src/argv.c
+++ b/src/argv.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/array.c b/src/array.c
index 58516f87..1e15b359 100644
--- a/src/array.c
+++ b/src/array.c
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
  * Copyright(c) 2023 ffashion <helloworldffashion@gmail.com>
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/bcd.c b/src/bcd.c
index dc250fca..74ff92bd 100644
--- a/src/bcd.c
+++ b/src/bcd.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/bcd.h>
diff --git a/src/bitmap.c b/src/bitmap.c
index c3307b26..2c32a3d2 100644
--- a/src/bitmap.c
+++ b/src/bitmap.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2021 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2021 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/bitrev.c b/src/bitrev.c
index 6a634f38..da1a4cbc 100644
--- a/src/bitrev.c
+++ b/src/bitrev.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/bitrev.h>
diff --git a/src/bitwalk.c b/src/bitwalk.c
index 82ff2115..6bdc2420 100644
--- a/src/bitwalk.c
+++ b/src/bitwalk.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2021 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2021 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/bloom.c b/src/bloom.c
index 8706e595..47b7cedb 100644
--- a/src/bloom.c
+++ b/src/bloom.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/bsearch.c b/src/bsearch.c
index 6ac69dc8..6f3e82e8 100644
--- a/src/bsearch.c
+++ b/src/bsearch.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/bsearch.h>
diff --git a/src/btree.c b/src/btree.c
index 6bf13513..994a42ce 100644
--- a/src/btree.c
+++ b/src/btree.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/build.cmake b/src/build.cmake
index d143a6ce..067d27f3 100644
--- a/src/build.cmake
+++ b/src/build.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 set(BFDEV_SOURCE
diff --git a/src/cache/build.cmake b/src/cache/build.cmake
index b1568eaa..945d19e1 100644
--- a/src/cache/build.cmake
+++ b/src/cache/build.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 set(BFDEV_SOURCE
diff --git a/src/cache/cache.c b/src/cache/cache.c
index 8f5c10c8..71bbdd3d 100644
--- a/src/cache/cache.c
+++ b/src/cache/cache.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/cache/lfu.c b/src/cache/lfu.c
index 1c795934..52daac0b 100644
--- a/src/cache/lfu.c
+++ b/src/cache/lfu.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/cache/lru.c b/src/cache/lru.c
index 2e42c42a..dc00913e 100644
--- a/src/cache/lru.c
+++ b/src/cache/lru.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/callback.c b/src/callback.c
index 48e1db39..2546e3e9 100644
--- a/src/callback.c
+++ b/src/callback.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/callback.h>
diff --git a/src/crypto/arc4.c b/src/crypto/arc4.c
index 1f5de101..f6cd90b9 100644
--- a/src/crypto/arc4.c
+++ b/src/crypto/arc4.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/crypto/ascii85.c b/src/crypto/ascii85.c
index a6a6d603..a835a840 100644
--- a/src/crypto/ascii85.c
+++ b/src/crypto/ascii85.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/crypto/base32.c b/src/crypto/base32.c
index 59dc56a8..1b12fdcb 100644
--- a/src/crypto/base32.c
+++ b/src/crypto/base32.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/crypto/base64.c b/src/crypto/base64.c
index 9756b7c9..f7945c7e 100644
--- a/src/crypto/base64.c
+++ b/src/crypto/base64.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/crypto/build.cmake b/src/crypto/build.cmake
index c94a49fc..7aa3c4b5 100644
--- a/src/crypto/build.cmake
+++ b/src/crypto/build.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 set(BFDEV_SOURCE
diff --git a/src/crypto/crc-ccitt.c b/src/crypto/crc-ccitt.c
index cd590938..15802a48 100644
--- a/src/crypto/crc-ccitt.c
+++ b/src/crypto/crc-ccitt.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/crc.h>
diff --git a/src/crypto/crc-itut.c b/src/crypto/crc-itut.c
index 78223b9e..627e8033 100644
--- a/src/crypto/crc-itut.c
+++ b/src/crypto/crc-itut.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/crc.h>
diff --git a/src/crypto/crc-rocksoft.c b/src/crypto/crc-rocksoft.c
index b8aa47cc..78db30d2 100644
--- a/src/crypto/crc-rocksoft.c
+++ b/src/crypto/crc-rocksoft.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/crc.h>
diff --git a/src/crypto/crc-t10dif.c b/src/crypto/crc-t10dif.c
index 58d29167..22f07e9b 100644
--- a/src/crypto/crc-t10dif.c
+++ b/src/crypto/crc-t10dif.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/crc.h>
diff --git a/src/crypto/crc16.c b/src/crypto/crc16.c
index 29150d6a..c863b485 100644
--- a/src/crypto/crc16.c
+++ b/src/crypto/crc16.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/crc.h>
diff --git a/src/crypto/crc32.c b/src/crypto/crc32.c
index a2f947e9..ed13e944 100644
--- a/src/crypto/crc32.c
+++ b/src/crypto/crc32.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/crc.h>
diff --git a/src/crypto/crc4.c b/src/crypto/crc4.c
index f02e874f..11fedf8f 100644
--- a/src/crypto/crc4.c
+++ b/src/crypto/crc4.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/crc.h>
diff --git a/src/crypto/crc64.c b/src/crypto/crc64.c
index 11f3f209..b0120d5c 100644
--- a/src/crypto/crc64.c
+++ b/src/crypto/crc64.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/crc.h>
diff --git a/src/crypto/crc7.c b/src/crypto/crc7.c
index 32d07abb..34084ef8 100644
--- a/src/crypto/crc7.c
+++ b/src/crypto/crc7.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/crc.h>
diff --git a/src/crypto/crc8.c b/src/crypto/crc8.c
index 88142496..fe8f9cb6 100644
--- a/src/crypto/crc8.c
+++ b/src/crypto/crc8.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/crc.h>
diff --git a/src/crypto/md5.c b/src/crypto/md5.c
index d6f4f2cb..72d9bca0 100644
--- a/src/crypto/md5.c
+++ b/src/crypto/md5.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/crypto/sha1.c b/src/crypto/sha1.c
index 142a4071..6c7a7e38 100644
--- a/src/crypto/sha1.c
+++ b/src/crypto/sha1.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/crypto/sha2.c b/src/crypto/sha2.c
index 710330c8..38fc9ea9 100644
--- a/src/crypto/sha2.c
+++ b/src/crypto/sha2.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/dword.c b/src/dword.c
index bce28d71..95b64f5a 100644
--- a/src/dword.c
+++ b/src/dword.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "bfdev-dword"
diff --git a/src/errname.c b/src/errname.c
index ba818572..f9e19e94 100644
--- a/src/errname.c
+++ b/src/errname.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/fifo.c b/src/fifo.c
index 30ae830d..50a36b66 100644
--- a/src/fifo.c
+++ b/src/fifo.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/fsm.c b/src/fsm.c
index 84ebf6af..cc8b910e 100644
--- a/src/fsm.c
+++ b/src/fsm.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/glob.c b/src/glob.c
index 08421ee7..e6aff156 100644
--- a/src/glob.c
+++ b/src/glob.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/hashmap.c b/src/hashmap.c
index 9e700a13..a5a84892 100644
--- a/src/hashmap.c
+++ b/src/hashmap.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/heap-debug.c b/src/heap-debug.c
index 9352eace..e1da04fe 100644
--- a/src/heap-debug.c
+++ b/src/heap-debug.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "bfdev-heap"
diff --git a/src/heap.c b/src/heap.c
index dc604278..69b4ed1e 100644
--- a/src/heap.c
+++ b/src/heap.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/heap.h>
diff --git a/src/hlist-debug.c b/src/hlist-debug.c
index aaadf821..bd98de68 100644
--- a/src/hlist-debug.c
+++ b/src/hlist-debug.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "bfdev-hlist"
diff --git a/src/ilist.c b/src/ilist.c
index 3daf5c1b..d8283d9f 100644
--- a/src/ilist.c
+++ b/src/ilist.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "bfdev-ilist"
diff --git a/src/jhash.c b/src/jhash.c
index 99f202fb..599ea669 100644
--- a/src/jhash.c
+++ b/src/jhash.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/knuth.c b/src/knuth.c
index a8ff00c5..9d917483 100644
--- a/src/knuth.c
+++ b/src/knuth.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/levenshtein.c b/src/levenshtein.c
index 208cf828..3b7e2e30 100644
--- a/src/levenshtein.c
+++ b/src/levenshtein.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/libc/build.cmake b/src/libc/build.cmake
index 01cf24e5..1ad9e361 100644
--- a/src/libc/build.cmake
+++ b/src/libc/build.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 set(BFDEV_SOURCE
diff --git a/src/libc/ctype.c b/src/libc/ctype.c
index 222b4509..b9ef3776 100644
--- a/src/libc/ctype.c
+++ b/src/libc/ctype.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/libc/strdup.c b/src/libc/strdup.c
index 51afdad7..6683bcec 100644
--- a/src/libc/strdup.c
+++ b/src/libc/strdup.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/libc/string.c b/src/libc/string.c
index 17c50f75..fd1eb7de 100644
--- a/src/libc/string.c
+++ b/src/libc/string.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/libc/xfprintf.c b/src/libc/xfprintf.c
index 95510862..c477372a 100644
--- a/src/libc/xfprintf.c
+++ b/src/libc/xfprintf.c
@@ -1,6 +1,6 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/libc/xprintf.c b/src/libc/xprintf.c
index 12956475..b5e015b9 100644
--- a/src/libc/xprintf.c
+++ b/src/libc/xprintf.c
@@ -1,6 +1,6 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/list-debug.c b/src/list-debug.c
index bc46b404..11645fce 100644
--- a/src/list-debug.c
+++ b/src/list-debug.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "bfdev-list"
diff --git a/src/list-sort.c b/src/list-sort.c
index 3e3a0e1a..15db5177 100644
--- a/src/list-sort.c
+++ b/src/list-sort.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/list.h>
diff --git a/src/llist.c b/src/llist.c
index b93b7738..3c56fccc 100644
--- a/src/llist.c
+++ b/src/llist.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/log/build.cmake b/src/log/build.cmake
index f864e9ae..0c98a2ad 100644
--- a/src/log/build.cmake
+++ b/src/log/build.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 set(BFDEV_SOURCE
diff --git a/src/log/color.c b/src/log/color.c
index 3944f094..13948909 100644
--- a/src/log/color.c
+++ b/src/log/color.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/log/level.c b/src/log/level.c
index b12c4e7c..545401bd 100644
--- a/src/log/level.c
+++ b/src/log/level.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/log/log.c b/src/log/log.c
index df406564..ca214164 100644
--- a/src/log/log.c
+++ b/src/log/log.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/log/log.h b/src/log/log.h
index 7875fd00..e3ae7817 100644
--- a/src/log/log.h
+++ b/src/log/log.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _LOCAL_LOG_H_
diff --git a/src/matrix.c b/src/matrix.c
index ce736b1c..32621fb4 100644
--- a/src/matrix.c
+++ b/src/matrix.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/memalloc.c b/src/memalloc.c
index e75cc20e..6b153bcb 100644
--- a/src/memalloc.c
+++ b/src/memalloc.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2021 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2021 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "bfdev-memalloc"
diff --git a/src/mpi.c b/src/mpi.c
index 600b53be..2a5029b9 100644
--- a/src/mpi.c
+++ b/src/mpi.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "bfdev-mpi"
diff --git a/src/notifier.c b/src/notifier.c
index 9834911f..4e289b38 100644
--- a/src/notifier.c
+++ b/src/notifier.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2021 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2021 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/popcount.c b/src/popcount.c
index 20bddee7..09584ffb 100644
--- a/src/popcount.c
+++ b/src/popcount.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/popcount.h>
diff --git a/src/port/build.cmake b/src/port/build.cmake
index 3ee5722d..c13ed555 100644
--- a/src/port/build.cmake
+++ b/src/port/build.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 set(BFDEV_SOURCE
diff --git a/src/port/stdlib.c b/src/port/stdlib.c
index 3e62505c..69681d03 100644
--- a/src/port/stdlib.c
+++ b/src/port/stdlib.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/stdlib.h>
diff --git a/src/port/string.c b/src/port/string.c
index 64e44ea3..92a892c0 100644
--- a/src/port/string.c
+++ b/src/port/string.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/string.h>
diff --git a/src/prandom.c b/src/prandom.c
index bc945923..9428483e 100644
--- a/src/prandom.c
+++ b/src/prandom.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/prandom.h>
diff --git a/src/radix.c b/src/radix.c
index 16163dad..f61da7f9 100644
--- a/src/radix.c
+++ b/src/radix.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/ratelimit.c b/src/ratelimit.c
index bf360f3b..9a554dd5 100644
--- a/src/ratelimit.c
+++ b/src/ratelimit.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/rbtree-debug.c b/src/rbtree-debug.c
index b64e6b87..ec2f93e0 100644
--- a/src/rbtree-debug.c
+++ b/src/rbtree-debug.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "bfdev-rbtree"
diff --git a/src/rbtree.c b/src/rbtree.c
index 27febf68..0d5335cf 100644
--- a/src/rbtree.c
+++ b/src/rbtree.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/rbtree.h>
diff --git a/src/refcount-debug.c b/src/refcount-debug.c
index 674e5344..9e4bf0c8 100644
--- a/src/refcount-debug.c
+++ b/src/refcount-debug.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "bfdev-refcount"
diff --git a/src/respool.c b/src/respool.c
index 1b3075e2..5debe6ed 100644
--- a/src/respool.c
+++ b/src/respool.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/ringbuf.c b/src/ringbuf.c
index b6b4bc81..7cdac8e2 100644
--- a/src/ringbuf.c
+++ b/src/ringbuf.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/scnprintf.c b/src/scnprintf.c
index 3b5d72e9..be4be1a5 100644
--- a/src/scnprintf.c
+++ b/src/scnprintf.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/segtree.c b/src/segtree.c
index fe7adcc5..80b0a734 100644
--- a/src/segtree.c
+++ b/src/segtree.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/segtree.h>
diff --git a/src/skiplist.c b/src/skiplist.c
index 85619308..1d717d3b 100644
--- a/src/skiplist.c
+++ b/src/skiplist.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/slist-debug.c b/src/slist-debug.c
index b6563dd0..5c41e5e0 100644
--- a/src/slist-debug.c
+++ b/src/slist-debug.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "bfdev-slist"
diff --git a/src/sort.c b/src/sort.c
index c187bc54..7788406c 100644
--- a/src/sort.c
+++ b/src/sort.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/stringhash.c b/src/stringhash.c
index 63b7d87f..00ebe484 100644
--- a/src/stringhash.c
+++ b/src/stringhash.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <bfdev/stringhash.h>
diff --git a/src/textsearch/bm.c b/src/textsearch/bm.c
index 09ef4f63..6758fd30 100644
--- a/src/textsearch/bm.c
+++ b/src/textsearch/bm.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/textsearch/build.cmake b/src/textsearch/build.cmake
index 64bb06b6..d24295f1 100644
--- a/src/textsearch/build.cmake
+++ b/src/textsearch/build.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 #
-# Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 set(BFDEV_SOURCE
diff --git a/src/textsearch/kmp.c b/src/textsearch/kmp.c
index 4156b344..ac33adf1 100644
--- a/src/textsearch/kmp.c
+++ b/src/textsearch/kmp.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/textsearch/linear.c b/src/textsearch/linear.c
index c575d44e..0131a550 100644
--- a/src/textsearch/linear.c
+++ b/src/textsearch/linear.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/textsearch/sunday.c b/src/textsearch/sunday.c
index 90521777..55c0d0ef 100644
--- a/src/textsearch/sunday.c
+++ b/src/textsearch/sunday.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/textsearch/textsearch.c b/src/textsearch/textsearch.c
index e749cea3..846eda11 100644
--- a/src/textsearch/textsearch.c
+++ b/src/textsearch/textsearch.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/src/tokenbucket.c b/src/tokenbucket.c
index 389b677d..98ebfe4c 100644
--- a/src/tokenbucket.c
+++ b/src/tokenbucket.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/template/array.c b/template/array.c
index 78299eca..c453fc6d 100644
--- a/template/array.c
+++ b/template/array.c
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
  * Copyright(c) 2023 ffashion <helloworldffashion@gmail.com>
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/template/btree.c b/template/btree.c
index b62fc92c..a5d395b0 100644
--- a/template/btree.c
+++ b/template/btree.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-3.0-or-later */
 /*
- * Copyright(c) 2022 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <base.h>
diff --git a/template/build.cmake b/template/build.cmake
index 2cc81b4c..dfc59581 100644
--- a/template/build.cmake
+++ b/template/build.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 set(BFDEV_SOURCE
diff --git a/testsuite/CMakeLists.txt b/testsuite/CMakeLists.txt
index 64232d89..79d3ef25 100644
--- a/testsuite/CMakeLists.txt
+++ b/testsuite/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 include(${CMAKE_CURRENT_LIST_DIR}/build.cmake)
diff --git a/testsuite/array/CMakeLists.txt b/testsuite/array/CMakeLists.txt
index 26d95bce..ed7eeb28 100644
--- a/testsuite/array/CMakeLists.txt
+++ b/testsuite/array/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 testsuite_target(array-fuzzy
diff --git a/testsuite/array/fuzzy.c b/testsuite/array/fuzzy.c
index e16e12d1..62f1fc44 100644
--- a/testsuite/array/fuzzy.c
+++ b/testsuite/array/fuzzy.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdlib.h>
diff --git a/testsuite/bitwalk/CMakeLists.txt b/testsuite/bitwalk/CMakeLists.txt
index 8b40f5ef..eee488e8 100644
--- a/testsuite/bitwalk/CMakeLists.txt
+++ b/testsuite/bitwalk/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(bitwalk-fuzzy fuzzy.c)
diff --git a/testsuite/bitwalk/fuzzy.c b/testsuite/bitwalk/fuzzy.c
index 0cf63f24..005736e1 100644
--- a/testsuite/bitwalk/fuzzy.c
+++ b/testsuite/bitwalk/fuzzy.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "bitwalk-fuzzy"
diff --git a/testsuite/build.cmake b/testsuite/build.cmake
index 54b44375..6b1fa06b 100644
--- a/testsuite/build.cmake
+++ b/testsuite/build.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 set(TESTSUITE_SOURCE
diff --git a/testsuite/fifo/CMakeLists.txt b/testsuite/fifo/CMakeLists.txt
index cbbcba82..74cb2801 100644
--- a/testsuite/fifo/CMakeLists.txt
+++ b/testsuite/fifo/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(fifo-selftest selftest.c)
diff --git a/testsuite/fifo/selftest.c b/testsuite/fifo/selftest.c
index 5d6f28ba..6fc02e43 100644
--- a/testsuite/fifo/selftest.c
+++ b/testsuite/fifo/selftest.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier GPL-2.0-or-later */
 /*
- * Copyright(c) 2022-2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022-2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "bitwalk-selftest"
diff --git a/testsuite/glob/CMakeLists.txt b/testsuite/glob/CMakeLists.txt
index b2a9b23c..8789eee1 100644
--- a/testsuite/glob/CMakeLists.txt
+++ b/testsuite/glob/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(glob-selftest selftest.c)
diff --git a/testsuite/glob/selftest.c b/testsuite/glob/selftest.c
index a203f51e..a486a706 100644
--- a/testsuite/glob/selftest.c
+++ b/testsuite/glob/selftest.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier GPL-2.0-or-later */
 /*
- * Copyright(c) 2022-2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2022-2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "bitwalk-selftest"
diff --git a/testsuite/hlist/CMakeLists.txt b/testsuite/hlist/CMakeLists.txt
index 86d023f3..a73ff619 100644
--- a/testsuite/hlist/CMakeLists.txt
+++ b/testsuite/hlist/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(hlist-iterator iterator.c)
diff --git a/testsuite/hlist/iterator.c b/testsuite/hlist/iterator.c
index b6dbac37..6f0f6aa6 100644
--- a/testsuite/hlist/iterator.c
+++ b/testsuite/hlist/iterator.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "hlist-iterator"
diff --git a/testsuite/libc/CMakeLists.txt b/testsuite/libc/CMakeLists.txt
index c10a86d7..d7e1aeb7 100644
--- a/testsuite/libc/CMakeLists.txt
+++ b/testsuite/libc/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(libc-xprintf xprintf.c)
diff --git a/testsuite/libc/xprintf.c b/testsuite/libc/xprintf.c
index f6d632db..ebe0f9b4 100644
--- a/testsuite/libc/xprintf.c
+++ b/testsuite/libc/xprintf.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "libc-xprintf"
diff --git a/testsuite/list/CMakeLists.txt b/testsuite/list/CMakeLists.txt
index bf74ae51..089b696d 100644
--- a/testsuite/list/CMakeLists.txt
+++ b/testsuite/list/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(list-iterator iterator.c)
diff --git a/testsuite/list/iterator.c b/testsuite/list/iterator.c
index 7fc43748..abd0b64c 100644
--- a/testsuite/list/iterator.c
+++ b/testsuite/list/iterator.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "list-iterator"
diff --git a/testsuite/memalloc/fuzzy.c b/testsuite/memalloc/fuzzy.c
index 55206987..7dc1cbe5 100644
--- a/testsuite/memalloc/fuzzy.c
+++ b/testsuite/memalloc/fuzzy.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "memalloc-fuzzy"
diff --git a/testsuite/mpi/CMakeLists.txt b/testsuite/mpi/CMakeLists.txt
index 7b9948e9..38cacadf 100644
--- a/testsuite/mpi/CMakeLists.txt
+++ b/testsuite/mpi/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(mpi-fuzzy fuzzy.c)
diff --git a/testsuite/mpi/empty.c b/testsuite/mpi/empty.c
index a0e9fa3c..a5d57399 100644
--- a/testsuite/mpi/empty.c
+++ b/testsuite/mpi/empty.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stddef.h>
diff --git a/testsuite/mpi/fuzzy.c b/testsuite/mpi/fuzzy.c
index 07e5b882..16fcffb2 100644
--- a/testsuite/mpi/fuzzy.c
+++ b/testsuite/mpi/fuzzy.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #include <stdlib.h>
diff --git a/testsuite/overflow/CMakeLists.txt b/testsuite/overflow/CMakeLists.txt
index df911529..a90714c7 100644
--- a/testsuite/overflow/CMakeLists.txt
+++ b/testsuite/overflow/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2025 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(overflow-selftest selftest.c)
diff --git a/testsuite/overflow/selftest.c b/testsuite/overflow/selftest.c
index b076dd24..ffc7ff3d 100644
--- a/testsuite/overflow/selftest.c
+++ b/testsuite/overflow/selftest.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "overflow-simple"
diff --git a/testsuite/slist/CMakeLists.txt b/testsuite/slist/CMakeLists.txt
index 117713b1..0947a04c 100644
--- a/testsuite/slist/CMakeLists.txt
+++ b/testsuite/slist/CMakeLists.txt
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 add_executable(slist-iterator iterator.c)
diff --git a/testsuite/slist/iterator.c b/testsuite/slist/iterator.c
index 78c52dfa..4d65f774 100644
--- a/testsuite/slist/iterator.c
+++ b/testsuite/slist/iterator.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2023 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2023 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "slist-iterator"
diff --git a/testsuite/testsuite.c b/testsuite/testsuite.c
index bea33839..ab7049e8 100644
--- a/testsuite/testsuite.c
+++ b/testsuite/testsuite.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #define MODULE_NAME "bfdev-testsuite"
diff --git a/testsuite/testsuite.cmake b/testsuite/testsuite.cmake
index 08b10f98..4db410b7 100644
--- a/testsuite/testsuite.cmake
+++ b/testsuite/testsuite.cmake
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+# Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
 #
 
 function(testsuite_target name src replace)
diff --git a/testsuite/testsuite.h b/testsuite/testsuite.h
index ed2152ac..b4af3763 100644
--- a/testsuite/testsuite.h
+++ b/testsuite/testsuite.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com>
+ * Copyright(c) 2024 Zhenlin Wang <sanpeqf@gmail.com>
  */
 
 #ifndef _BFDEV_TESTSUITE_H_