刷新回子页面：防来回跳只拦同一页 5 秒内 (v26110642)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

guangchang/index.html

@@ -1059,7 +1059,7 @@ html.night .gtg button.on{background:#F2725B;border-color:#F2725B;color:#fff}
   var CMD = null, CMERR = false;
   /* 头像编码：数字 = av/NNNN.webp（旧代码头像）；'av:c012' = av/c012.webp（卡通/可爱卡通）；'/…' = 站内绝对路径（内置头像库 /_bridge/avatars/）；其余 = assets/img/mom/xxx.jpg */
   var avP = function (a) { return typeof a === 'number' ? 'av/' + ('000' + a).slice(-4) + '.webp' : a.indexOf('av:') === 0 ? 'av/' + a.slice(3) + '.webp' : a.charAt(0) === '/' ? a : '../assets/img/mom/' + a + '.jpg'; };
-  fetch('cm.json?v=26110641').then(function (r) { return r.json(); }).then(function (j) {
+  fetch('cm.json?v=26110642').then(function (r) { return r.json(); }).then(function (j) {
     CMD = j; if (openId && NBY[openId]) { renderComments(NBY[openId]); syncBar(NBY[openId]); }
   }).catch(function () { CMERR = true; if (openId && NBY[openId]) renderComments(NBY[openId]); });
   function commentsOf(n) {