diff --git a/.github/workflows/build_internal.yml b/.github/workflows/build_internal.yml
index 3ec7082..c49823b 100644
--- a/.github/workflows/build_internal.yml
+++ b/.github/workflows/build_internal.yml
@@ -30,7 +30,7 @@ jobs:
           - os: windows-latest
             qthost: windows
             qtarch: win64_msvc2019_64
-            version: 6.4.3
+            version: 6.6.2
             pythonversion: 3.8.10
             arch: x64
             binding: PyQt6
@@ -51,7 +51,7 @@ jobs:
           - os: ubuntu-latest
             qthost: linux
             qtarch: gcc_64
-            version: 6.4.3
+            version: 6.6.2
             pythonversion: 3.8.12
             arch: x64
             binding: PyQt6
diff --git a/README.md b/README.md
index ddfac9b..600a14b 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 PyQt5: `pip install PyQt5-ElaWidgetTools`，PyQt5>=5.15.5
 
-PyQt6: `pip install PyQt6-ElaWidgetTools`，PyQt6>=6.4.2
+PyQt6: `pip install PyQt6-ElaWidgetTools`，PyQt6>=6.6.2
 
 PySide6: `pip install PySide6-ElaWidgetTools`，PySide6==6.6.2 
 
diff --git a/scripts/dobuild.py b/scripts/dobuild.py
index 23b8c2f..a8836e6 100644
--- a/scripts/dobuild.py
+++ b/scripts/dobuild.py
@@ -1,4 +1,4 @@
-import sys, os, subprocess, shutil, site
+import sys, os, subprocess, shutil, site, io
 
 print(sys.platform)
 print(sys.executable)
@@ -41,7 +41,7 @@
 if binding.lower().startswith("pyqt"):
     if qtversion.startswith("6"):
         subprocess.run(
-            f"{pyPath} -m pip install pyqt6==6.4.2 PyQt-builder sip", shell=True
+            f"{pyPath} -m pip install pyqt6==6.6.1 PyQt-builder sip", shell=True
         )
     else:
         subprocess.run(
@@ -54,13 +54,18 @@
         shell=True,
     )
 
+sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding="utf-8", errors="replace")
+
 
 # 编译ela
-def __parsefile(fn, cb):
+def __parsefile(fn, cb, pr=False):
     with open(fn, "r", encoding="utf8") as ff:
         cml = ff.read()
     with open(fn, "w", encoding="utf8") as ff:
-        ff.write(cb(cml))
+        _ = cb(cml)
+        if pr:
+            print(_)
+        ff.write(_)
 
 
 __parsefile(
@@ -77,6 +82,29 @@ def __parsefile(fn, cb):
 if sys.platform == "win32":
     archA = ("win32", "x64")[arch == "x64"]
     flags = f'-G "Visual Studio 18 2026" -A {archA} -T host={arch}'
+
+    if binding.lower() == "pyqt6":
+        fix = r"""
+    if(MSVC AND MSVC_VERSION GREATER_EQUAL 1940)  # VS2026 的 _MSC_VER 约为 1940+
+        message(STATUS "Detected VS2026 or newer, adding compatibility definitions")
+        add_compile_definitions(
+            _SILENCE_ALL_MS_EXT_DEPRECATION_WARNINGS
+            _HAS_CXX17=1
+            _HAS_CXX20=1
+            _CRT_SECURE_NO_WARNINGS
+        )
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /std:c++17 /Zc:__cplusplus")
+    endif()
+
+    """
+        __parsefile(
+            "../ElaWidgetTools/CMakeLists.txt",
+            lambda c: c.replace(
+                "add_definitions(-DELAWIDGETTOOLS_LIBRARY)",
+                "add_definitions(-DELAWIDGETTOOLS_LIBRARY)\n" + fix,
+            ),
+            pr=True,
+        )
 else:
     flags = ""
 subprocess.run(
diff --git a/scripts/pyside6/gen_xml.py b/scripts/pyside6/gen_xml.py
index afe077f..6ed2ea5 100644
--- a/scripts/pyside6/gen_xml.py
+++ b/scripts/pyside6/gen_xml.py
@@ -289,22 +289,6 @@ def maybeparse(xx: str):
     ff.write(wrapperbase.format(internal=H_internal + "\n" + h))
 
 
-sysinclude = ""
-if "msvc2019" in MY_QT_INSTALL:
-    # <=6.7必须使用msvc2019的头文件
-    vspath = "C:/Program Files/Microsoft Visual Studio/2022/Community/VC/Tools/MSVC"
-    if not os.path.exists(vspath):
-        vspath = (
-            "C:/Program Files/Microsoft Visual Studio/2022/Enterprise/VC/Tools/MSVC"
-        )
-    print(os.listdir(vspath))
-    for _ in os.listdir(vspath):
-        if _.startswith("14.29"):
-            msvc2019 = _
-    sysinclude = vspath + "/" + msvc2019 + "/include"
-    print(sysinclude)
-    sysinclude = f'--system-include-paths="{sysinclude}"'
-
 if sys.platform=='linux':
     inc='/usr/lib/gcc/x86_64-linux-gnu/14/include'
     if not os.path.exists(inc):
@@ -315,7 +299,7 @@ def maybeparse(xx: str):
     sysinclude = f' -I{inc} -I{pyDir} '
 
 os.system(
-    f"""shiboken6 {sysinclude}
+    f"""shiboken6 
         --generator-set=shiboken
         --output-directory=OUTPUTDIR
         -I{ELA_INCLUDE_PATH}
diff --git a/scripts/wheel/setup.py b/scripts/wheel/setup.py
index 7b8751a..d9465e6 100644
--- a/scripts/wheel/setup.py
+++ b/scripts/wheel/setup.py
@@ -24,7 +24,7 @@ def has_ext_modules(self):
 if bindingfor == "PyQt5":
     req = "PyQt5>=5.15.5"
 elif bindingfor == "PyQt6":
-    req = "PyQt6>=6.4.2"
+    req = "PyQt6>=6.6.2"
 elif bindingfor == "PySide6":
     pass