diff --git a/compiler.py b/compiler.py
index 1b7c7e0..565b366 100644
--- a/compiler.py
+++ b/compiler.py
@@ -42,19 +42,21 @@ class SDL3GPUSlangCompiler:
         # 生成带绑定信息的着色器代码
         modified_source = self.binding_manager.inject_bindings(shader_info, target)
 
+        temp_source = os.path.join(global_vars.source_path, global_vars.source_file_name + '.slang.temp')
+
         # 写入临时文件
-        with tempfile.NamedTemporaryFile(mode='w', suffix='.slang', delete=False, encoding='utf8') as tmp:
-            tmp.write(modified_source)
-            tmp_path = tmp.name
+        with open(temp_source, 'w', encoding='utf8') as f:
+            f.write(modified_source)
+
         with tempfile.NamedTemporaryFile(mode='w', suffix='.cso', delete=False, encoding='utf8') as tmp:
             signed_shader = tmp.name
 
         try:
             # 编译着色器
             if target == TargetFormat.DXIL:
-                cmd = make_cmd(tmp_path, TargetFormat.HLSL_DX12, shader_info.stage, shader_info.entry_point, output_path)
+                cmd = make_cmd(temp_source, TargetFormat.HLSL_DX12, shader_info.stage, shader_info.entry_point, output_path)
             else:
-                cmd = make_cmd(tmp_path, target, shader_info.stage, shader_info.entry_point, output_path)
+                cmd = make_cmd(temp_source, target, shader_info.stage, shader_info.entry_point, output_path)
 
             print(f"Compiling shader with command: {' '.join(cmd)}")
             shader_file = output_path
@@ -74,13 +76,13 @@ class SDL3GPUSlangCompiler:
 
         finally:
             # 清理临时文件
-            os.unlink(tmp_path)
             os.unlink(signed_shader)
             os.unlink(output_path)
 
     def generate_binding_functions(self, binding_infos: List[Dict], output_path: str):
         """生成C/C++绑定函数"""
         self.code_generator.generate_binding_functions(binding_infos, output_path)
+
     def _compile_dxil(self, shader_info: ShaderInfo, input_file: str, output_file: str):
         """编译DXIL着色器"""
         # 根据stage选择不同的-T参数
@@ -107,4 +109,4 @@ class SDL3GPUSlangCompiler:
         if result.stderr is None:
             print(f"Signed shader compiled successfully")
         else:
-            raise RuntimeError(f"Failed to compile DXIL shader: {result.stderr.decode('utf-8')}")
\ No newline at end of file
+            raise RuntimeError(f"Failed to sign DXIL shader: {result.stderr.decode('utf-8')}")
diff --git a/main.py b/main.py
index 98c2bf6..7be13d0 100644
--- a/main.py
+++ b/main.py
@@ -16,7 +16,7 @@ def main():
     parser = argparse.ArgumentParser(description='SDL3 GPU Slang Compiler')
 
     parser.add_argument('input', help='Input Slang shader file')
-    parser.add_argument('-t', '--target', choices=['spirv', 'dxil', 'dxbc', 'msl'],
+    parser.add_argument('-t', '--target', choices=['spirv', 'dxil', 'msl'],
                         required=True, help='Target shader format')
     parser.add_argument('-o', '--output-dir', required=True, help='Output path for binding code')
     parser.add_argument('-i', '--include-dir', help='Include path for slang shader')
@@ -31,9 +31,6 @@ def main():
     global_vars.source_path = os.path.dirname(input_path)
     global_vars.output_dir = os.path.abspath(args.output_dir)
     global_vars.target = TargetFormat(args.target)
-    # if global_vars.target == TargetFormat.DXIL:
-    #     global_vars.target = TargetFormat.DXBC
-    #     print("Warning: DXIL target is not supported, using DXBC instead.")
 
     # 仅保留路径部分
     include_dirs = [