diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3f7c4a9..779d03b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,6 +24,8 @@ jobs:
       - name: Setup Zig for OpenHarmony
         uses: openharmony-zig/setup-zig-ohos@v0.1.0
         id: setup-zig
+        with:
+          tag: '0.16.0'
 
       - name: Build
         run: |
diff --git a/README.md b/README.md
index bfbc609..8a1ad8a 100644
--- a/README.md
+++ b/README.md
@@ -17,9 +17,10 @@ We recommend you use ZON(Zig Package Manager) to install it.
 .{
     .name = "appname",
     .version = "0.0.0",
+    .minimum_zig_version = "0.16.0",
     .dependencies = .{
-        .network = .{
-            .url = "https://github.com/openharmony-zig/zig-addon/archive/refs/tags/<GIT_TAG>.tar.gz",
+        .@"zig-napi" = .{
+            .url = "https://github.com/openharmony-zig/zig-napi/archive/refs/tags/<GIT_TAG>.tar.gz",
             .hash = "HASH_GOES_HERE",
         },
     },
@@ -43,9 +44,11 @@ pub fn build(b: *std.Build) !void {
 
     const result = try napi_build.nativeAddonBuild(b, .{
         .name = "hello",
-        .root_source_file = b.path("./src/hello.zig"),
-        .target = target,
-        .optimize = optimize,
+        .root_module_options = .{
+            .root_source_file = b.path("./src/hello.zig"),
+            .target = target,
+            .optimize = optimize,
+        },
     });
 
     if (result.arm64) |arm64| {
diff --git a/build.zig.zon b/build.zig.zon
index ff36ebe..bc382b2 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -1,7 +1,7 @@
 .{
     .name = .zig_napi,
     .version = "0.0.1-beta.2",
-    .minimum_zig_version = "0.15.1",
+    .minimum_zig_version = "0.16.0",
     .dependencies = .{},
     .fingerprint = 0x6093bdd26bb0a31f,
     .paths = .{
diff --git a/examples/basic/build.zig.zon b/examples/basic/build.zig.zon
index 2ddf71a..1d49e63 100644
--- a/examples/basic/build.zig.zon
+++ b/examples/basic/build.zig.zon
@@ -1,7 +1,7 @@
 .{
     .name = .add,
     .version = "0.0.1",
-    .minimum_zig_version = "0.15.1",
+    .minimum_zig_version = "0.16.0",
     .fingerprint = 0xfd1a73e7f96390fb,
     .dependencies = .{ .@"zig-napi" = .{ .path = "../.." } },
     .paths = .{ "build.zig", "build.zig.zon", "src" },
diff --git a/examples/basic/src/thread_safe_function.zig b/examples/basic/src/thread_safe_function.zig
index a9d8f7c..1e09dea 100644
--- a/examples/basic/src/thread_safe_function.zig
+++ b/examples/basic/src/thread_safe_function.zig
@@ -4,13 +4,21 @@ const napi = @import("napi");
 const Args = struct { i32, i32 };
 const Return = i32;
 
+fn sleepForFiveSeconds() void {
+    var req = std.c.timespec{
+        .sec = 5,
+        .nsec = 0,
+    };
+    _ = std.c.nanosleep(&req, null);
+}
+
 fn execute_thread_safe_function(tsfn: *napi.ThreadSafeFunction(Args, Return, true, 0)) void {
-    std.Thread.sleep(5_000_000_000);
+    sleepForFiveSeconds();
     tsfn.Ok(.{ 1, 2 }, .NonBlocking);
 }
 
 fn execute_thread_safe_function_with_error(tsfn: *napi.ThreadSafeFunction(Args, Return, true, 0)) void {
-    std.Thread.sleep(5_000_000_000);
+    sleepForFiveSeconds();
     tsfn.Err(napi.Error.withReason("TSFN Error"), .NonBlocking);
 }
 
diff --git a/examples/init/build.zig.zon b/examples/init/build.zig.zon
index e54059c..1d49e63 100644
--- a/examples/init/build.zig.zon
+++ b/examples/init/build.zig.zon
@@ -1,7 +1,7 @@
 .{
     .name = .add,
     .version = "0.0.1",
-    .minimum_zig_version = "0.14.0",
+    .minimum_zig_version = "0.16.0",
     .fingerprint = 0xfd1a73e7f96390fb,
     .dependencies = .{ .@"zig-napi" = .{ .path = "../.." } },
     .paths = .{ "build.zig", "build.zig.zon", "src" },
diff --git a/src/build/napi-build.zig b/src/build/napi-build.zig
index 76f34b0..7d9ab99 100644
--- a/src/build/napi-build.zig
+++ b/src/build/napi-build.zig
@@ -1,12 +1,7 @@
 const std = @import("std");
 
-fn getEnvVarOptional(allocator: std.mem.Allocator, name: []const u8) !?[]const u8 {
-    return std.process.getEnvVarOwned(allocator, name) catch |err| {
-        if (err == error.EnvironmentVariableNotFound) {
-            return null;
-        }
-        return err;
-    };
+fn getEnvVarOptional(build: *std.Build, name: []const u8) ?[]const u8 {
+    return build.graph.environ_map.get(name);
 }
 
 pub fn cloneLibraryOptions(build: *std.Build, option: NativeAddonBuildOptionsWithModule, target: std.Build.ResolvedTarget) std.Build.LibraryOptions {
@@ -49,20 +44,13 @@ pub fn cloneLibraryOptions(build: *std.Build, option: NativeAddonBuildOptionsWit
 }
 
 pub fn resolveNdkPath(build: *std.Build) ![]const u8 {
-    const allocator = build.allocator;
-
-    var ndkRoot: ?[]const u8 = null;
-
-    const home = try getEnvVarOptional(allocator, "OHOS_NDK_HOME");
-    if (home) |v| {
-        ndkRoot = try std.fs.path.join(allocator, &[_][]const u8{ v, "native" });
-    } else {
-        const ohos_sdk_native = try getEnvVarOptional(allocator, "ohos_sdk_native");
-        if (ohos_sdk_native) |v| {
-            ndkRoot = v;
-        }
+    if (getEnvVarOptional(build, "OHOS_NDK_HOME")) |home| {
+        return build.pathJoin(&.{ home, "native" });
+    }
+    if (getEnvVarOptional(build, "ohos_sdk_native")) |native| {
+        return native;
     }
-    return ndkRoot orelse "";
+    return "";
 }
 
 const targets: []const std.Target.Query = &.{
diff --git a/src/build/napi-tsgen.zig b/src/build/napi-tsgen.zig
index a1ffa9e..e79d4b7 100644
--- a/src/build/napi-tsgen.zig
+++ b/src/build/napi-tsgen.zig
@@ -261,11 +261,13 @@ const ParsedSourceParams = struct {
 
 const SourceResolver = struct {
     allocator: std.mem.Allocator,
+    io: std.Io,
     root_source_path: []const u8,
 
-    fn init(allocator: std.mem.Allocator, root_source_path: []const u8) SourceResolver {
+    fn init(allocator: std.mem.Allocator, io: std.Io, root_source_path: []const u8) SourceResolver {
         return .{
             .allocator = allocator,
+            .io = io,
             .root_source_path = root_source_path,
         };
     }
@@ -515,10 +517,10 @@ const SourceResolver = struct {
         if (param.len == 0 or std.mem.eql(u8, param, "...")) return;
 
         if (std.mem.startsWith(u8, param, "comptime ")) {
-            param = std.mem.trimLeft(u8, param["comptime ".len..], " \t");
+            param = std.mem.trimStart(u8, param["comptime ".len..], " \t");
         }
         if (std.mem.startsWith(u8, param, "noalias ")) {
-            param = std.mem.trimLeft(u8, param["noalias ".len..], " \t");
+            param = std.mem.trimStart(u8, param["noalias ".len..], " \t");
         }
 
         const colon = std.mem.indexOfScalar(u8, param, ':') orelse return;
@@ -538,10 +540,10 @@ const SourceResolver = struct {
         if (std.mem.eql(u8, param, "...")) return;
 
         if (std.mem.startsWith(u8, param, "comptime ")) {
-            param = std.mem.trimLeft(u8, param["comptime ".len..], " \t");
+            param = std.mem.trimStart(u8, param["comptime ".len..], " \t");
         }
         if (std.mem.startsWith(u8, param, "noalias ")) {
-            param = std.mem.trimLeft(u8, param["noalias ".len..], " \t");
+            param = std.mem.trimStart(u8, param["noalias ".len..], " \t");
         }
 
         const colon = std.mem.indexOfScalar(u8, param, ':') orelse return;
@@ -551,7 +553,7 @@ const SourceResolver = struct {
     }
 
     fn readFile(self: *SourceResolver, file_path: []const u8) ![]const u8 {
-        return try std.fs.cwd().readFileAlloc(file_path, self.allocator, .unlimited);
+        return try std.Io.Dir.cwd().readFileAlloc(self.io, file_path, self.allocator, .limited(std.math.maxInt(usize)));
     }
 
     fn resolveImportPath(self: *SourceResolver, file_path: []const u8, alias: []const u8) !?[]const u8 {
@@ -608,7 +610,7 @@ fn trimAfterBalancedCall(text: []const u8) ?[]const u8 {
             ')' => {
                 depth -= 1;
                 if (depth == 0) {
-                    return std.mem.trimLeft(u8, text[i + 1 ..], " \t\r\n");
+                    return std.mem.trimStart(u8, text[i + 1 ..], " \t\r\n");
                 }
             },
             else => {},
@@ -640,7 +642,7 @@ fn matchConstAssignment(line: []const u8, symbol: []const u8) ?[]const u8 {
     if (!std.mem.eql(u8, lhs, symbol)) return null;
 
     const rhs_full = std.mem.trim(u8, rest[eq_index + 1 ..], " \t");
-    return std.mem.trimRight(u8, rhs_full, ";");
+    return std.mem.trimEnd(u8, rhs_full, ";");
 }
 
 fn tryMatchConstPrefix(line: []const u8) ?usize {
@@ -666,7 +668,7 @@ const ObjectSetCall = struct {
 fn matchObjectSetCall(line: []const u8, object_name: []const u8) ?ObjectSetCall {
     var rest = std.mem.trim(u8, line, " \t\r\n");
     if (std.mem.startsWith(u8, rest, "try ")) {
-        rest = std.mem.trimLeft(u8, rest["try ".len..], " \t");
+        rest = std.mem.trimStart(u8, rest["try ".len..], " \t");
     }
 
     if (!std.mem.startsWith(u8, rest, object_name)) return null;
@@ -677,9 +679,9 @@ fn matchObjectSetCall(line: []const u8, object_name: []const u8) ?ObjectSetCall
     const name_end = std.mem.indexOfScalar(u8, rest, '"') orelse return null;
     const name = rest[0..name_end];
 
-    rest = std.mem.trimLeft(u8, rest[name_end + 1 ..], " \t");
+    rest = std.mem.trimStart(u8, rest[name_end + 1 ..], " \t");
     if (rest.len == 0 or rest[0] != ',') return null;
-    rest = std.mem.trimLeft(u8, rest[1..], " \t");
+    rest = std.mem.trimStart(u8, rest[1..], " \t");
 
     const call_end = std.mem.lastIndexOfScalar(u8, rest, ')') orelse return null;
     const value_expr = std.mem.trim(u8, rest[0..call_end], " \t");
@@ -1361,7 +1363,7 @@ fn isSourceNumericType(type_expr: []const u8) bool {
 fn trimConstType(type_expr: []const u8) []const u8 {
     const trimmed = std.mem.trim(u8, type_expr, " \t\r\n");
     if (std.mem.startsWith(u8, trimmed, "const ")) {
-        return std.mem.trimLeft(u8, trimmed["const ".len..], " \t");
+        return std.mem.trimStart(u8, trimmed["const ".len..], " \t");
     }
     return trimmed;
 }
@@ -1684,8 +1686,8 @@ fn appendHeader(writer: *StringBuilder, header: []const u8) !void {
     try append(writer, "\n");
 }
 
-fn generate(allocator: std.mem.Allocator, root_source_path: []const u8, header: []const u8) ![]u8 {
-    var source = SourceResolver.init(allocator, root_source_path);
+fn generate(allocator: std.mem.Allocator, io: std.Io, root_source_path: []const u8, header: []const u8) ![]u8 {
+    var source = SourceResolver.init(allocator, io, root_source_path);
     var state = State.init(allocator, &source);
     defer state.deinit();
 
@@ -1738,21 +1740,21 @@ fn generate(allocator: std.mem.Allocator, root_source_path: []const u8, header:
     return try output.toOwnedSlice();
 }
 
-pub fn main() !void {
-    var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);
-    defer arena.deinit();
-    const allocator = arena.allocator();
+pub fn main(init: std.process.Init) !void {
+    const io = init.io;
+    const allocator = init.arena.allocator();
+    const args = try init.minimal.args.toSlice(allocator);
 
-    var args = try std.process.argsWithAllocator(allocator);
-    defer args.deinit();
+    if (args.len < 3) return error.InvalidArgument;
 
-    _ = args.next();
-    const output_path = args.next() orelse return error.InvalidArgument;
-    const root_source_path = args.next() orelse return error.InvalidArgument;
-    const header = args.next() orelse "";
+    const output_path = args[1];
+    const root_source_path = args[2];
+    const header = if (args.len > 3) args[3] else "";
 
-    const content = try generate(allocator, root_source_path, header);
-    const file = try std.fs.cwd().createFile(output_path, .{ .truncate = true });
-    defer file.close();
-    try file.writeAll(content);
+    const content = try generate(allocator, io, root_source_path, header);
+    try std.Io.Dir.cwd().writeFile(io, .{
+        .sub_path = output_path,
+        .data = content,
+        .flags = .{ .truncate = true },
+    });
 }
diff --git a/src/napi/util/helper.zig b/src/napi/util/helper.zig
index 4b84db6..cd0f5c4 100644
--- a/src/napi/util/helper.zig
+++ b/src/napi/util/helper.zig
@@ -185,24 +185,13 @@ pub fn collectFunctionArgs(comptime functions: anytype) type {
 
     const args_len = infos.@"fn".params.len;
 
-    var fields: [args_len]std.builtin.Type.StructField = undefined;
+    var field_types: [args_len]type = undefined;
 
     inline for (0..args_len) |i| {
-        fields[i] = std.builtin.Type.StructField{
-            .name = std.fmt.comptimePrint("{d}", .{i}),
-            .type = infos.@"fn".params[i].type.?,
-            .default_value_ptr = null,
-            .is_comptime = false,
-            .alignment = @alignOf(infos.@"fn".params[i].type.?),
-        };
-    }
-
-    return @Type(std.builtin.Type{ .@"struct" = std.builtin.Type.Struct{
-        .layout = .auto,
-        .fields = &fields,
-        .decls = &[_]std.builtin.Type.Declaration{},
-        .is_tuple = true,
-    } });
+        field_types[i] = infos.@"fn".params[i].type.?;
+    }
+
+    return std.meta.Tuple(&field_types);
 }
 
 pub fn shortTypeName(comptime T: type) []const u8 {