diff --git a/.gitignore b/.gitignore
index 51a8ad0..74572e7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,9 @@ node_modules/
 *.tsbuildinfo
 .npm-cache
 
+# C++ 编译中间产物（目标文件，clone 后无用）
+*.obj
+
 # Generated Vite config output (source is vite.config.ts)
 vite.config.js
 vite.config.d.ts
diff --git a/connector/native/connector_service.cpp b/connector/native/connector_service.cpp
index 32828a3..d5ffc1f 100644
--- a/connector/native/connector_service.cpp
+++ b/connector/native/connector_service.cpp
@@ -81,8 +81,20 @@ std::string form_value(const std::string& body, const std::string& key) {
 }
 
 std::string sanitize_process_error(std::string output) {
-  output = std::regex_replace(output, std::regex(R"(^Licensed to:.*$)", std::regex::icase | std::regex::multiline), "Spine 授权信息已隐藏");
-  return trim(output);
+  // 逐行替换，避免依赖 std::regex::multiline（MSVC 的 <regex> 未实现该标志）。
+  const std::regex licensed(R"(^Licensed to:.*$)", std::regex::icase);
+  std::string result;
+  std::size_t start = 0;
+  while (start <= output.size()) {
+    const auto end = output.find('\n', start);
+    std::string line = output.substr(start, end - start);
+    if (!line.empty() && line.back() == '\r') line.pop_back();
+    result += std::regex_replace(line, licensed, "Spine 授权信息已隐藏");
+    if (end == std::string::npos) break;
+    result += '\n';
+    start = end + 1;
+  }
+  return trim(result);
 }
 
 std::pair<std::vector<std::uint8_t>, std::string> convert(const Json& payload, const std::string& executable) {
diff --git a/release/connector/windows-x64/SpineParticleConnector.exe b/release/connector/windows-x64/SpineParticleConnector.exe
index b7a964e..ca5bf70 100644
Binary files a/release/connector/windows-x64/SpineParticleConnector.exe and b/release/connector/windows-x64/SpineParticleConnector.exe differ
diff --git a/scripts/build-connector-windows-msvc.bat b/scripts/build-connector-windows-msvc.bat
new file mode 100644
index 0000000..c76a6ca
--- /dev/null
+++ b/scripts/build-connector-windows-msvc.bat
@@ -0,0 +1,31 @@
+@echo off
+setlocal
+rem 使用 MSVC 编译 Windows 原生连接器（单 exe，体积优化）
+call "C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Auxiliary\Build\vcvars64.bat" >nul
+if errorlevel 1 (
+  echo 未能初始化 MSVC 环境，请确认已安装 VS 2022 Build Tools 及 C++ 工具集。
+  exit /b 1
+)
+
+set "SRC_DIR=%~dp0..\connector\native"
+set "OUT_DIR=%~dp0..\release\connector\windows-x64"
+if not exist "%OUT_DIR%" mkdir "%OUT_DIR%"
+
+pushd "%SRC_DIR%"
+cl /nologo /std:c++17 /utf-8 /O1 /GL /EHsc /MT /W3 /D_CRT_SECURE_NO_WARNINGS /D_WIN32_WINNT=0x0601 ^
+   app_windows.cpp config.cpp connector_service.cpp encoding.cpp http_server.cpp json.cpp platform_common.cpp process_windows.cpp workspace.cpp zip.cpp ^
+   /link /SUBSYSTEM:WINDOWS /LTCG /OPT:REF /OPT:ICF ^
+   user32.lib gdi32.lib comdlg32.lib ws2_32.lib shell32.lib ole32.lib ^
+   /OUT:"%OUT_DIR%\SpineParticleConnector.exe"
+del /q "%SRC_DIR%\*.obj" >nul 2>&1
+set "RC=%ERRORLEVEL%"
+popd
+
+if "%RC%"=="0" (
+  echo.
+  echo 构建成功：%OUT_DIR%\SpineParticleConnector.exe
+) else (
+  echo.
+  echo 构建失败，错误码 %RC%
+)
+exit /b %RC%