diff --git a/sockets/ws_hook.js b/sockets/ws_hook.js
index 1236d60..0bc3563 100644
--- a/sockets/ws_hook.js
+++ b/sockets/ws_hook.js
@@ -16,6 +16,11 @@
   if (window.__ws_hooked__) return;
   if (!/#hook/.test(location.hash) || /#nohook/.test(location.hash)) {
     console.log('[WS Hook] 未启用（默认关闭；URL 加 #hook 开启抓包）');
+    // 兜底：即使没启用也定义，调用时提示怎么开，避免"__ws_save__ 不存在"
+    window.__ws_save__ = function () {
+      console.warn('[WS Hook] 未启用：请在 URL 末尾加 #hook（如 http://localhost:8080/#hook）后整页刷新，再调用 __ws_save__()');
+      return Promise.resolve(null);
+    };
     return;
   }
   window.__ws_hooked__ = true;