diff --git a/lsp-server/src/lsp/server.cpp b/lsp-server/src/lsp/server.cpp
index 457c98f..7d1e9e6 100644
--- a/lsp-server/src/lsp/server.cpp
+++ b/lsp-server/src/lsp/server.cpp
@@ -1,5 +1,9 @@
 #include <exception>
 #include <iostream>
+#ifdef _WIN32
+#include <io.h>
+#include <fcntl.h>
+#endif
 #include "../provider/base/provider_registry.hpp"
 #include "./server.hpp"
 #include "./logger.hpp"
@@ -117,10 +121,24 @@ namespace lsp
         log::Debug("Response length: ", byte_length);
         log::Debug("Raw response content: [", response_str, "]");
 
-        std::cout << "Content-Length: " << byte_length << "\r\n\r\n";
-        std::cout << response_str;
-        std::cout.flush();
+    // 在程序启动时设置stdout为二进制模式（只需设置一次）
+    static bool binary_mode_set = false;
+    if (!binary_mode_set) {
+#ifdef _WIN32
+        _setmode(_fileno(stdout), _O_BINARY);
+#endif
+        binary_mode_set = true;
+    }
+    
+    // 构建完整消息
+    std::string header = "Content-Length: " + std::to_string(byte_length) + "\r\n\r\n";
+    
+    // 使用 write 系统调用，绕过 C++ 流的缓冲和转换
+    std::cout.write(header.c_str(), header.length());
+    std::cout.write(response_str.c_str(), response_str.length());
+    std::cout.flush();
+    
+    log::Verbose("Response sent successfully2");
 
-        log::Verbose("Response sent successfully");
     }
 }
diff --git a/vscode/bin/tsl-server.exe b/vscode/bin/tsl-server.exe
index fce21b0..a33d4f7 100644
Binary files a/vscode/bin/tsl-server.exe and b/vscode/bin/tsl-server.exe differ
diff --git a/vscode/tsl-devkit-2.0.0.vsix b/vscode/tsl-devkit-2.0.0.vsix
index cc166e5..1254f5e 100644
Binary files a/vscode/tsl-devkit-2.0.0.vsix and b/vscode/tsl-devkit-2.0.0.vsix differ