diff --git a/server/mcp-server/index.js b/server/mcp-server/index.js
index 3978a17..54739ce 100644
--- a/server/mcp-server/index.js
+++ b/server/mcp-server/index.js
@@ -757,16 +757,14 @@ async function handleJsonRpc(req, res) {
 
   // 批量消息
   if (Array.isArray(message)) {
-    const results = await Promise.all(message.map(m => processRpcWithRes(m, res)));
+    const results = await Promise.all(message.map(m => processRpc(m)));
     return res.json(results);
   }
 
-  const result = await processRpcWithRes(message, res);
+  const result = await processRpc(message);
   return res.json(result);
 }
 
-async function processRpcWithRes(message, res) {
-
 async function processRpc(message) {
   const { jsonrpc, id, method, params } = message;
 
@@ -780,9 +778,6 @@ async function processRpc(message) {
     case 'initialize': {
       const sessionId = crypto.randomUUID();
       sessions.set(sessionId, { created: Date.now() });
-      // Session ID 通过 HTTP Header 传递，不在 JSON 响应体中带 _meta
-      // WorkBuddy 客户端校验严格，不认识 _meta 字段
-      res.setHeader('Mcp-Session-Id', sessionId);
 
       return {
         jsonrpc: '2.0',