diff --git a/3DTank/tools/wss_server.js b/3DTank/tools/wss_server.js
index 1d76140..9d25199 100644
--- a/3DTank/tools/wss_server.js
+++ b/3DTank/tools/wss_server.js
@@ -511,17 +511,27 @@ WsServer.on('connection', (Client, Req) => {
   let Upstream = null;
   const Pending = [];   // 上游未就绪时暂存竞态帧（握手帧常比上游 TLS 建连更早到达），一连上立即按原序补发
 
-  // 握手头：把客户端**真实的** Origin / User-Agent / Referer 透传给上游（与浏览器直连时一致）。
-  // 不能用写死的 origin：真实服务器可能按 Origin 选择构建/配置，写死会让响应与本地构建对不上，
-  // 表现为客户端握手失败自行断开（close code 1005）。
-  const UpHeaders = {
-    'user-agent': Req.headers['user-agent'] || UPSTREAM_HEADERS['user-agent'],
-    origin: Req.headers['origin'] || UPSTREAM_HEADERS.origin,
-    referer: Req.headers['referer'] || UPSTREAM_HEADERS.referer,
-  };
+  // 握手头：把客户端**真实**的握手请求头整包透传给上游（Cookie / Origin / User-Agent / Referer /
+  // Accept-Language / Sec-Fetch-* …），让上游看到的握手与「浏览器直连」完全一致。
+  // 仅排除必须由 ws 自己生成/协商的：Host / Connection / Upgrade / Sec-WebSocket-*
+  // （其中子协议改走 protocols 选项，由 ws 负责协商与校验）。
+  const UpHeaders = {};
+  for (const K of Object.keys(Req.headers)) {
+    const L = K.toLowerCase();
+    if (L === 'host' || L === 'connection' || L === 'upgrade') continue;
+    if (L.indexOf('sec-websocket-') === 0) continue;
+    UpHeaders[L] = Req.headers[K];
+  }
+  if (!UpHeaders['user-agent']) UpHeaders['user-agent'] = UPSTREAM_HEADERS['user-agent'];
+  if (!UpHeaders['origin']) UpHeaders['origin'] = UPSTREAM_HEADERS.origin;
+  if (!UpHeaders['referer']) UpHeaders['referer'] = UPSTREAM_HEADERS.referer;
+  const ClientProto = Req.headers['sec-websocket-protocol'];
+  const UpProtocols = ClientProto
+    ? String(ClientProto).split(',').map(function (S) { return S.trim(); }).filter(Boolean)
+    : undefined;
 
   // 转发：客户端帧**原样直发**；上游未就绪时暂存，open 后按原序补发（不重放、不改字节）。
-  Upstream = new Ws(UPSTREAM, { headers: UpHeaders, rejectUnauthorized: false });
+  Upstream = new Ws(UPSTREAM, { headers: UpHeaders, protocols: UpProtocols, rejectUnauthorized: false });
   Upstream.binaryType = 'nodebuffer';
   Upstream.on('open', () => {
     State.Log('上游已连接: ' + UPSTREAM + '，补发暂存 ' + Pending.length + ' 帧');