diff --git a/README.md b/README.md
index ffd21bb3..10f4ce4e 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@
 
 扫描下方小程序二维码，体验组件库示例：
 
-<img src="https://img.yzcdn.cn/vant-weapp/qrcode-201808092223.jpg" width="220" height="220" >
+<img src="https://img.yzcdn.cn/vant-weapp/qrcode-201808101114.jpg" width="220" height="220" >
 
 ## 文档
 
diff --git a/docs/src/Preview.vue b/docs/src/Preview.vue
index 99734515..c84eb26d 100644
--- a/docs/src/Preview.vue
+++ b/docs/src/Preview.vue
@@ -3,7 +3,7 @@
     <img class="preview-image" :src="image">
     <div class="preview-popup">
       <div class="preview-content">
-        <img src="https://img.yzcdn.cn/vant-weapp/qrcode-201808092223.jpg">
+        <img src="https://img.yzcdn.cn/vant-weapp/qrcode-201808101114.jpg">
         <p>微信扫码体验</p>
       </div>
     </div>