diff --git a/docs/miniprogram/_design/PullDownRefresh.md b/docs/miniprogram/_design/PullDownRefresh.md
index fe7aabcb1d..00823e705b 100644
--- a/docs/miniprogram/_design/PullDownRefresh.md
+++ b/docs/miniprogram/_design/PullDownRefresh.md
@@ -13,11 +13,11 @@
 <div class="legend">
   
   <div class="item">
-    <img src="https://oteam-tdesign-1258344706.cos.ap-guangzhou.myqcloud.com/site/design/mobile-guide/pulldownrefresh%20001-1.png" />
+    <img src="https://oteam-tdesign-1258344706.cos.ap-guangzhou.myqcloud.com/site/design/mobile-guide/pulldownrefresh001-1.png" />
   </div>
   
   <div class="item">
-    <img src="https://oteam-tdesign-1258344706.cos.ap-guangzhou.myqcloud.com/site/design/mobile-guide/pulldownrefresh%20001-2.png" />
+    <img src="https://oteam-tdesign-1258344706.cos.ap-guangzhou.myqcloud.com/site/design/mobile-guide/pulldownrefresh001-2.png" />
   </div> 
   
 </div>
@@ -26,7 +26,7 @@
 <div class="legend">
   
   <div class="item">
-    <img src="https://oteam-tdesign-1258344706.cos.ap-guangzhou.myqcloud.com/site/design/mobile-guide/pulldownrefresh%20001-3.png" />
+    <img src="https://oteam-tdesign-1258344706.cos.ap-guangzhou.myqcloud.com/site/design/mobile-guide/pulldownrefresh001-3.png" />
   </div>
 </div>
 
@@ -39,7 +39,7 @@
 
 <div class="legend">
   <div class="item">
-    <img src="https://oteam-tdesign-1258344706.cos.ap-guangzhou.myqcloud.com/site/design/mobile-guide/pulldownrefresh%20002.png" />
+    <img src="https://oteam-tdesign-1258344706.cos.ap-guangzhou.myqcloud.com/site/design/mobile-guide/pulldownrefresh002.png" />
   </div>
 </div>
 
@@ -47,11 +47,11 @@
 
 <div class="legend">
   <div class="item">
-    <img src="https://oteam-tdesign-1258344706.cos.ap-guangzhou.myqcloud.com/site/design/mobile-guide/pulldownrefresh%20003-1.png" />
+    <img src="https://oteam-tdesign-1258344706.cos.ap-guangzhou.myqcloud.com/site/design/mobile-guide/pulldownrefresh003-1.png" />
     <em></em>
   </div>
   <div class="item">
-    <img src="https://oteam-tdesign-1258344706.cos.ap-guangzhou.myqcloud.com/site/design/mobile-guide/pulldownrefresh%20003-2.png" />
+    <img src="https://oteam-tdesign-1258344706.cos.ap-guangzhou.myqcloud.com/site/design/mobile-guide/pulldownrefresh003-2.png" />
     <em></em>
   </div>
 </div>