diff --git a/index.html b/index.html
index d46668a..399fa30 100644
--- a/index.html
+++ b/index.html
@@ -99,7 +99,7 @@
   /* ============================================================
      ① 页面版本号（YYMMDD + 两位序号）—— 用于排查 webview 是否缓存了旧页面
      ============================================================ */
-  var VER = 26090809;
+  var VER = 26090810;
   var verNoEl = el('verNo');
   if (verNoEl) verNoEl.textContent = VER;
 
@@ -184,6 +184,16 @@
     };
   }
 
+  // 给 switchTab 打补丁：记录每一次跳转调用 + 捕获异常
+  if (window.wx && window.wx.miniProgram && window.wx.miniProgram.switchTab) {
+    var _st = window.wx.miniProgram.switchTab.bind(window.wx.miniProgram);
+    window.wx.miniProgram.switchTab = function (o) {
+      dbg('switchTab 调用 → ' + (o && o.url), 'ok');
+      try { _st(o); dbg('switchTab 已执行', 'ok'); }
+      catch (ex) { dbgErr('switchTab 抛异常: ' + (ex && ex.message ? ex.message : ex)); }
+    };
+  }
+
   // 给 postMessage 打补丁：记录每一次调用 + 捕获异常
   var origPost = (window.wx && window.wx.miniProgram && window.wx.miniProgram.postMessage) ? window.wx.miniProgram.postMessage.bind(window.wx.miniProgram) : null;
   if (window.wx && window.wx.miniProgram) {