diff --git a/guangchang/ceshi/index.html b/guangchang/ceshi/index.html
index d88fe6c..91783dd 100644
--- a/guangchang/ceshi/index.html
+++ b/guangchang/ceshi/index.html
@@ -2,6 +2,8 @@
 <html lang="zh-CN">
 <head>
 <meta charset="utf-8">
+<!-- 11-04 UGC 总开关关着时本页不展示，直接回首页（js/ugc.js） -->
+<script src="../../js/ugc.js?v=26110416" data-guard></script>
 <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no,viewport-fit=cover">
 <meta name="format-detection" content="telephone=no">
 <title>测一测 · 孕妈广场</title>
@@ -367,8 +369,8 @@ mark{background:linear-gradient(transparent 62%,var(--c20) 0);color:inherit;padd
 </div>
 <div class="toast" id="toast"></div>
 
-<script src="meta.js?v=26110257"></script>
-<script src="tests.js?v=26110257"></script>
+<script src="meta.js?v=26110416"></script>
+<script src="tests.js?v=26110416"></script>
 <script>
 (function () {
   'use strict';
diff --git a/guangchang/index.html b/guangchang/index.html
index 5c5fcba..a927000 100644
--- a/guangchang/index.html
+++ b/guangchang/index.html
@@ -2,6 +2,8 @@
 <html lang="zh-CN">
 <head>
 <meta charset="utf-8">
+<!-- 11-04 UGC 总开关关着时本页不展示，直接回首页（js/ugc.js） -->
+<script src="../js/ugc.js?v=26110416" data-guard></script>
 <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no,viewport-fit=cover">
 <meta name="format-detection" content="telephone=no">
 <title>孕妈广场</title>
@@ -666,10 +668,10 @@ button{font:inherit;color:inherit;border:0;background:none;padding:0;cursor:poin
 <div id="sheet" role="dialog" aria-modal="true"><i class="sg"></i><div class="sbd" id="sbd"></div></div>
 <div class="toast" id="toast"></div>
 
-<script src="topics.js?v=26110257"></script>
-<script src="data.js?v=26110257"></script>
-<script src="feed.js?v=26110257"></script>
-<script src="ceshi/meta.js?v=26110257"></script>
+<script src="topics.js?v=26110416"></script>
+<script src="data.js?v=26110416"></script>
+<script src="feed.js?v=26110416"></script>
+<script src="ceshi/meta.js?v=26110416"></script>
 <script>
 (function () {
   'use strict';
@@ -735,7 +737,7 @@ button{font:inherit;color:inherit;border:0;background:none;padding:0;cursor:poin
   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=26110257').then(function (r) { return r.json(); }).then(function (j) {
+  fetch('cm.json?v=26110416').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) {
diff --git a/guangchang/mine/index.html b/guangchang/mine/index.html
index e8119e6..67cb8bf 100644
--- a/guangchang/mine/index.html
+++ b/guangchang/mine/index.html
@@ -2,6 +2,8 @@
 <html lang="zh-CN">
 <head>
 <meta charset="utf-8">
+<!-- 11-04 UGC 总开关关着时本页不展示，直接回首页（js/ugc.js） -->
+<script src="../../js/ugc.js?v=26110416" data-guard></script>
 <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no,viewport-fit=cover">
 <meta name="format-detection" content="telephone=no">
 <title>我的投稿</title>
@@ -105,7 +107,7 @@ main{padding:6px 16px 0}
 </div>
 <div class="wb"><button type="button" id="write"><svg class="ic" viewBox="0 0 24 24"><path d="M12 20h9M16.5 3.5a2.1 2.1 0 013 3L7 19l-4 1 1-4z"/></svg>写新的故事</button></div>
 
-<script src="../topics.js?v=26110257"></script>
+<script src="../topics.js?v=26110416"></script>
 <script>
 (function () {
   'use strict';
diff --git a/index.html b/index.html
index a294be4..d0126d1 100644
--- a/index.html
+++ b/index.html
@@ -7,7 +7,9 @@
 <meta name="mobile-web-app-capable" content="yes">
 <meta name="apple-mobile-web-app-capable" content="yes">
 <title>兜爸心选 · 孕育陪伴</title>
-<!-- V:26110257 缓存版本标记：改 css/js 时同步 bump 该值（与 js/app.js 的 VER 同源），静态资源按 mtime 走 ETag 自动刷新 -->
+<!-- 11-04 UGC 总开关（孕妈广场 + 测一测，后台 /box_bm/plaza 顶部切换），见 js/ugc.js -->
+<script src="js/ugc.js?v=26110416"></script>
+<!-- V:26110416 缓存版本标记：改 css/js 时同步 bump 该值（与 js/app.js 的 VER 同源），静态资源按 mtime 走 ETag 自动刷新 -->
 <link rel="stylesheet" href="mama-box.css">
 <link rel="stylesheet" href="night.css">
 <!-- 夜晚模式：首屏绘制前就按上次的选择加 class，避免先白后黑闪一下（开关在首页右上角 #nightBtn，逻辑见 app.js） -->
@@ -2519,24 +2521,34 @@
 <script src="/_bridge/avatar-picker.js?v=26101105"></script>
 <script src="/_bridge/hand-icons.js?v=26101202"></script>
 <script src="js/zodiac-art.js"></script>
-<script src="guangchang/topics.js?v=26110257"></script>
+<script src="guangchang/topics.js?v=26110416"></script>
 <script src="js/app.js"></script>
 <script>
 /* 11-02 首页「孕妈广场」效果稿：地址带 ?gcv=1~6 时，把 #gcHome 换成 demo/gch/vN.css + vN.js 的版式并滚到这一块。
    11-02 用户：「用第一版，放到预览页面上」；后改定彩色卡 → 不带参数也默认用 V6 合并版（广场卡堆 + 其他妈妈也在搜 + 测一测第 4 版彩色卡），不滚动、不显示效果稿角标 */
 (function () {
+  /* 11-04 UGC 开关关着时不加载孕妈广场模块（#gcHome 由 ugc.js 藏掉，「其他孕妈也在搜」#pregTips 照常显示）；后台打开后本次会话也能补加载 */
+  var gchDone = false;
+  function gch() {
+  if (gchDone || !window.__mbUgc) return; gchDone = true;
   var m = location.search.match(/[?&]gcv=([1-6])(?:&|$)/);
   if (!m) window.__gcDefault = 1;
-  var n = m ? m[1] : '6', l = document.createElement('link'), s = document.createElement('script'), q = m ? Date.now() : 'v=26110257';
+  var n = m ? m[1] : '6', l = document.createElement('link'), s = document.createElement('script'), q = m ? Date.now() : 'v=26110416';
   var dir = n === '4' || n === '6' ? 'js/gch/' : 'demo/gch/';   /* 11-03 上正式：定稿 V6（含它套的 V4）并进 js/gch/，其余效果稿仍在 demo/ */
   l.rel = 'stylesheet'; l.href = dir + 'v' + n + '.css?' + q;
   s.src = dir + 'v' + n + '.js?' + q;
   if (m) s.onload = function () { setTimeout(function () { var el = document.getElementById('gcHome'); if (el) el.scrollIntoView({ block: 'center' }); }, 900); };
   document.head.appendChild(l); document.body.appendChild(s);
+  }
+  gch();
+  window.addEventListener('mb-ugc', function () {
+    if (window.__mbUgc) return gch();
+    var pt = document.getElementById('pregTips'); if (pt) pt.style.display = '';   /* 广场 V6 加载时藏过「其他孕妈也在搜」，关掉后放回来 */
+  });
   /* 11-02 品牌露出（用户定 4 处都要）：默认加载，?brand=0 可关掉对比；11-03 已并进 js/gch/ */
   if (!/[?&]brand=0/.test(location.search)) {
     var bl = document.createElement('link'), bs = document.createElement('script');
-    bl.rel = 'stylesheet'; bl.href = 'js/gch/brand.css?v=26110257'; bs.src = 'js/gch/brand.js?v=26110257';
+    bl.rel = 'stylesheet'; bl.href = 'js/gch/brand.css?v=26110416'; bs.src = 'js/gch/brand.js?v=26110416';
     document.head.appendChild(bl); document.body.appendChild(bs);
   }
 })();
diff --git a/js/app.js b/js/app.js
index a5cbab8..56c6fa5 100644
--- a/js/app.js
+++ b/js/app.js
@@ -3,7 +3,7 @@
 (function () {
   'use strict';
   /* 页面版本号（YYMMDD+序号）：显示在「关于兜爸心选」页底部；bump 时同步 head 注释与 ?v= */
-  var VER = '26110257';
+  var VER = '26110416';
   const $ = (s, c) => (c || document).querySelector(s);
   const $$ = (s, c) => Array.from((c || document).querySelectorAll(s));
 
diff --git a/js/gch/v4.js b/js/gch/v4.js
index b5dd3c7..797f1a4 100644
--- a/js/gch/v4.js
+++ b/js/gch/v4.js
@@ -236,5 +236,5 @@
 }
   /* feed.js 首页默认不加载（index.html 只引了 topics.js），这里按需拉一次 */
   if (window.GC_FEED) init();
-  else { var fs = document.createElement('script'); fs.src = 'guangchang/feed.js?v=26110257'; fs.onload = fs.onerror = init; document.body.appendChild(fs); }
+  else { var fs = document.createElement('script'); fs.src = 'guangchang/feed.js?v=26110416'; fs.onload = fs.onerror = init; document.body.appendChild(fs); }
 })();
diff --git a/js/gch/v6.js b/js/gch/v6.js
index 0dbee43..7ed4f2d 100644
--- a/js/gch/v6.js
+++ b/js/gch/v6.js
@@ -6,9 +6,9 @@
 (function () {
   var sec = document.getElementById('gcHome');
   if (!sec) return;
-  var l = document.createElement('link'); l.rel = 'stylesheet'; l.href = 'js/gch/v4.css?v=26110257';
+  var l = document.createElement('link'); l.rel = 'stylesheet'; l.href = 'js/gch/v4.css?v=26110416';
   document.head.appendChild(l);
-  var s = document.createElement('script'); s.src = 'js/gch/v4.js?v=26110257';
+  var s = document.createElement('script'); s.src = 'js/gch/v4.js?v=26110416';
   s.onload = function () { if (sec.querySelector('.g4-foot')) merge(); else sec.addEventListener('gc4-ready', merge, { once: true }); };   /* v4 要先拉 feed.js 才渲染 */
   document.body.appendChild(s);
 
diff --git a/js/ugc.js b/js/ugc.js
new file mode 100644
index 0000000..31fc61c
--- /dev/null
+++ b/js/ugc.js
@@ -0,0 +1,40 @@
+/* 11-04 UGC 总开关（用户：「正式版先把孕妈广场和测一测整个模块隐藏起来，后台加个开关，打开就出现、关上就隐藏」）
+   开关在后台 /box_bm/plaza 顶部，存 box_admin.mamabox_configs.ugcEnabled，公开读 GET /api/mp/public/mama-box/config（改完不用发版）。
+   关闭时（默认）：
+     · <html> 带 .ugc-off，下面这张样式表把首页孕妈广场整块、百宝箱「趣味小测试」、「我的收藏」、专题页评论区藏掉；
+     · 带 data-guard 引入本脚本的页面（广场页 / 测试页 / 我的投稿 / 两个老测试）直接回首页；
+     · 别的脚本读 window.__mbUgc（true/false），等结果用 window.__mbUgcReady（Promise），中途变了会发 mb-ugc 事件。
+   上一次拿到的值存本机 mmbox.ugc.v1，先按它渲染、接口回来再校正；接口不通就沿用上一次的值（从没拿到过 = 关）。
+   本文件在 <root>/js/ugc.js，必须同步 <script> 引入（要靠 document.currentScript 算首页地址）。 */
+(function () {
+  var K = 'mmbox.ugc.v1', de = document.documentElement, me = document.currentScript, on = false;
+  try { on = localStorage.getItem(K) === '1'; } catch (e) {}
+  var guard = !!(me && me.hasAttribute('data-guard'));
+  var home = me ? new URL('../', me.src).pathname : '/';
+
+  var st = document.createElement('style');
+  st.textContent =
+    'html.ugc-off #gcHome,html.ugc-off #meFavCard,html.ugc-off .kit-e.e-qz,html.ugc-off #tx-cm,html.ugc-off .tc-in{display:none!important}' +
+    'html.ugc-off .kit-g{grid-template-columns:repeat(2,1fr)!important}';
+  (document.head || de).appendChild(st);
+
+  function apply(v) { on = !!v; window.__mbUgc = on; de.classList.toggle('ugc-off', !on); }
+  function goHome() { location.replace(home + (location.hash || '')); }
+  apply(on);
+  if (guard && !on) de.style.visibility = 'hidden';   /* 还不知道开没开：先别露内容，免得关着时闪一下 */
+
+  window.__mbUgcReady = new Promise(function (res) {
+    var t = setTimeout(function () { res(null); }, 4000);
+    fetch('/api/mp/public/mama-box/config', { cache: 'no-store' })
+      .then(function (r) { return r.json(); })
+      .then(function (j) { clearTimeout(t); res(!!(j && j.result && j.result.ugcEnabled)); })
+      .catch(function () { clearTimeout(t); res(null); });
+  }).then(function (v) {
+    if (v === null) v = on; else try { localStorage.setItem(K, v ? '1' : '0'); } catch (e) {}
+    var changed = v !== on;
+    apply(v);
+    if (guard) { if (!v) { goHome(); return v; } de.style.visibility = ''; }
+    if (changed) try { window.dispatchEvent(new Event('mb-ugc')); } catch (e) {}
+    return v;
+  });
+})();
diff --git a/topic/_shared/tools.js b/topic/_shared/tools.js
index d587107..d91f3fe 100644
--- a/topic/_shared/tools.js
+++ b/topic/_shared/tools.js
@@ -68,10 +68,10 @@
   function getJSON(u) { return fetch(u, { cache: 'no-cache' }).then(function (r) { if (!r.ok) throw r.status; return r.json(); }); }
 
   function related(box) {
-    getJSON('../_shared/idx.json?v=26110257').then(function (idx) {
+    getJSON('../_shared/idx.json?v=26110416').then(function (idx) {
       var me = null; idx.forEach(function (x) { if (x[0] === SLUG) me = x; });
       var tag = me ? me[2] : '', h = 0; for (var i = 0; i < SLUG.length; i++) h = (h * 31 + SLUG.charCodeAt(i)) >>> 0;
-      var rest = idx.filter(function (x) { return x[0] !== SLUG; });
+      var rest = idx.filter(function (x) { return x[0] !== SLUG && (window.__mbUgc || ['ceshi', 'duiyou'].indexOf(x[0]) < 0); });   /* UGC 关着不推两个测试 */
       var same = rest.filter(function (x) { return x[2] === tag; }).sort(function (a, b) { return b[3] - a[3]; });
       /* 同类按热度取前几里轮换，凑不够 3 个用全站热门补 */
       var pick = [], top = same.slice(0, 6);
@@ -175,9 +175,18 @@
     }
     fetch(API + '/comments?kind=topic&target=' + encodeURIComponent(SLUG) + (OID ? '&openid=' + encodeURIComponent(OID) : ''))
       .then(function (r) { return r.json(); }).then(function (j) { if (j && j.code === 200) { RC = j.result; paint(); } }).catch(function () {});
-    getJSON('../_shared/cm/' + SLUG + '.json?v=26110257').then(function (d) { L = d.c || []; paint(); }).catch(function () { paint(); });
+    getJSON('../_shared/cm/' + SLUG + '.json?v=26110416').then(function (d) { L = d.c || []; paint(); }).catch(function () { paint(); });
   }
 
+  function ugcReady() {
+    if (window.__mbUgcReady) return window.__mbUgcReady;
+    return new Promise(function (res) {
+      var u = document.createElement('script'); u.src = '../../js/ugc.js?v=26110416';
+      u.onload = function () { (window.__mbUgcReady || Promise.resolve(false)).then(res); };
+      u.onerror = function () { res(false); };
+      document.head.appendChild(u);
+    });
+  }
   function extras(el) {
     if (!SLUG || document.getElementById('tx-rel')) return;
     if (!document.getElementById('tx-css')) { var s = document.createElement('style'); s.id = 'tx-css'; s.textContent = css2; document.head.appendChild(s); }
@@ -188,7 +197,8 @@
     [a, b].forEach(function (x) { x.style.marginLeft = c.marginLeft; x.style.marginRight = c.marginRight; });
     a.style.setProperty('--tt-c', c.getPropertyValue('--tt-c')); a.style.setProperty('--tt-bg', c.getPropertyValue('--tt-bg'));
     b.style.setProperty('--tt-c', c.getPropertyValue('--tt-c')); b.style.setProperty('--tt-bg', c.getPropertyValue('--tt-bg'));
-    related(a); comments(b);
+    /* 11-04 UGC 总开关（js/ugc.js）：评论区是用户内容，关着就不出；相关推荐等开关结果再排（关着不推测试） */
+    ugcReady().then(function (on) { related(a); if (on) comments(b); else b.remove(); });
   }
 
   function render(el, list, opt) {
diff --git a/topic/ceshi/index.html b/topic/ceshi/index.html
index 0e61132..1c33749 100644
--- a/topic/ceshi/index.html
+++ b/topic/ceshi/index.html
@@ -2,6 +2,8 @@
 <html lang="zh-CN">
 <head>
 <meta charset="utf-8">
+<!-- 11-04 UGC 总开关关着时本页不展示，直接回首页（js/ugc.js） -->
+<script src="../../js/ugc.js?v=26110416" data-guard></script>
 <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no,viewport-fit=cover">
 <meta name="format-detection" content="telephone=no">
 <title>测一测你是什么样的妈妈？</title>
diff --git a/topic/duiyou/index.html b/topic/duiyou/index.html
index 904a411..87c363e 100644
--- a/topic/duiyou/index.html
+++ b/topic/duiyou/index.html
@@ -2,6 +2,8 @@
 <html lang="zh-CN">
 <head>
 <meta charset="utf-8">
+<!-- 11-04 UGC 总开关关着时本页不展示，直接回首页（js/ugc.js） -->
+<script src="../../js/ugc.js?v=26110416" data-guard></script>
 <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no,viewport-fit=cover">
 <meta name="format-detection" content="telephone=no">
 <title>测一测：你家准爸爸是哪种队友？</title>