diff --git a/assets/img/2262d424d7e2.gif b/assets/img/2262d424d7e2.gif
deleted file mode 100644
index 3ea48e4..0000000
Binary files a/assets/img/2262d424d7e2.gif and /dev/null differ
diff --git a/assets/img/291f74fb9d03.gif b/assets/img/291f74fb9d03.gif
new file mode 100644
index 0000000..a405e76
Binary files /dev/null and b/assets/img/291f74fb9d03.gif differ
diff --git a/assets/img/66b149335975.jpg b/assets/img/66b149335975.jpg
new file mode 100644
index 0000000..d0c2692
Binary files /dev/null and b/assets/img/66b149335975.jpg differ
diff --git a/assets/img/f6d3a8d56d5b.jpg b/assets/img/f6d3a8d56d5b.jpg
deleted file mode 100644
index ff92a0d..0000000
Binary files a/assets/img/f6d3a8d56d5b.jpg and /dev/null differ
diff --git a/index.html b/index.html
index dc23e5c..0349e44 100644
--- a/index.html
+++ b/index.html
@@ -7,7 +7,7 @@
 <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:26100407 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 -->
+<!-- V:26100408 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">
 <script src="https://res.wx.qq.com/open/js/jweixin-1.6.0.js"></script>
 <!-- 共享助手：授权/跳商城/位置上报（分享卡片同步，见 docs/h5-auth-standard.md 第四节） -->
diff --git a/js/app.js b/js/app.js
index 3e25055..fb6956c 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 = '26100407';
+  var VER = '26100408';
   const $ = (s, c) => (c || document).querySelector(s);
   const $$ = (s, c) => Array.from((c || document).querySelectorAll(s));
 
diff --git a/js/hero-fx.js b/js/hero-fx.js
index 822ace9..aec710b 100644
--- a/js/hero-fx.js
+++ b/js/hero-fx.js
@@ -21,7 +21,7 @@
     [24, 'c0cbdd749ab0.jpg', '9c682de32bc3.gif', 1],     // 6  24–27 周 原来那个宝宝
     [28, 'bbaebc03aaf7.jpg', '01529c30ecc6.gif', 1.01],  // 7  28–31 周 大一圈、有胎发
     [32, '086e4e001a89.jpg', '11061c1c24c1.gif', 1.02],  // 8  32–35 周 肉嘟嘟、抱腿
-    [36, 'f6d3a8d56d5b.jpg', '2262d424d7e2.gif', 1.03]   // 9  36 周起 头朝下入盆
+    [36, '66b149335975.jpg', '291f74fb9d03.gif', 1.03]   // 9  36 周起 足月、撑满羊水囊（头朝上：10-04 用户说头朝下看着不舒服）
   ];
   const DEFAULT = 5;
   const IMG = 'assets/img/';