diff --git a/cmake/project_cpp_standard.cmake b/cmake/project_cpp_standard.cmake
index 8b698fb..4b6bc31 100644
--- a/cmake/project_cpp_standard.cmake
+++ b/cmake/project_cpp_standard.cmake
@@ -21,7 +21,7 @@ function(set_cpp_standard standard)
     set(CMAKE_CXX_EXTENSIONS OFF PARENT_SCOPE)
 
     # --- 平台特定设置 ---
-    if(WIN32)
+    if(WIN32 OR CYGWIN)
         # 为 Windows 定义 UNICODE 宏
         add_definitions(-DUNICODE -D_UNICODE)
         # 可选：添加 WIN32_LEAN_AND_MEAN 以减少 Windows 头文件包含，加快编译速度
diff --git a/src/mirage_core/src/misc/mapped_file/windows/mapped_file.cpp b/src/mirage_core/src/misc/mapped_file/windows/mapped_file.cpp
index 627080b..541f9c5 100644
--- a/src/mirage_core/src/misc/mapped_file/windows/mapped_file.cpp
+++ b/src/mirage_core/src/misc/mapped_file/windows/mapped_file.cpp
@@ -3,6 +3,8 @@
 #include <stdexcept>
 #include <windows.h>
 
+#include "utf8.h"
+
 class mapped_file_win : public mapped_file {
 public:
     mapped_file_win();
@@ -71,8 +73,8 @@ mapped_file_win& mapped_file_win::operator=(mapped_file_win&& other) noexcept {
 bool mapped_file_win::map_file(const std::filesystem::path& filename) {
     cleanup();
 
-    file_handle_ = CreateFile(
-        filename.c_str(),
+    file_handle_ = CreateFileW(
+        filename.generic_wstring().c_str(),
         GENERIC_READ,
         FILE_SHARE_READ,
         nullptr,
diff --git a/src/mirage_render/src/platform_window/windows/windows_window.cpp b/src/mirage_render/src/platform_window/windows/windows_window.cpp
index 38509e9..8de014a 100644
--- a/src/mirage_render/src/platform_window/windows/windows_window.cpp
+++ b/src/mirage_render/src/platform_window/windows/windows_window.cpp
@@ -126,8 +126,8 @@ platform_window::platform_window(int32_t in_width, int32_t in_height, const wcha
 	wc.hInstance     = GetModuleHandle(nullptr);
 	wc.lpszClassName = L"mirage_window_class";
 	wc.style         = CS_HREDRAW | CS_VREDRAW | CS_OWNDC | CS_DBLCLKS;
-	wc.hCursor       = LoadCursor(NULL, IDC_ARROW);
-	wc.hIcon         = LoadIcon(NULL, IDI_WINLOGO);
+	wc.hCursor       = LoadCursor(nullptr, IDC_ARROW);
+	wc.hIcon         = LoadIcon(nullptr, IDI_WINLOGO);
 	RegisterClass(&wc);
 
 	RECT rect = { 0, 0, in_width, in_height };
diff --git a/src/sokol/CMakeLists.txt b/src/sokol/CMakeLists.txt
index 9589ff8..1caad0a 100644
--- a/src/sokol/CMakeLists.txt
+++ b/src/sokol/CMakeLists.txt
@@ -6,7 +6,7 @@ retrieve_files(${CMAKE_CURRENT_SOURCE_DIR} SRC_FILES)
 add_library(${PROJECT_NAME} STATIC ${SRC_FILES})
 target_include_directories(${PROJECT_NAME} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
 
-if (WIN32)
+if (WIN32 OR CYGWIN)
     target_compile_definitions(${PROJECT_NAME} PUBLIC -DSOKOL_D3D11)
     target_link_libraries(${PROJECT_NAME} PUBLIC d3d11 dxgi)
 elseif (UNIX)