diff --git a/litemall-wx/pages/category/category.wxml b/litemall-wx/pages/category/category.wxml
index 20761831..a973285e 100644
--- a/litemall-wx/pages/category/category.wxml
+++ b/litemall-wx/pages/category/category.wxml
@@ -6,7 +6,7 @@
       </view>
     </scroll-view>
   </view>
-  <scroll-view scroll-y="true" scroll-top="{{scrollTop}}" style="height:{{scrollHeight}};">
+  <scroll-view scroll-y="true" scroll-top="{{scrollTop}}" style="height:{{scrollHeight}}px;">
 
     <view class="cate-item">
       <view class="h">
@@ -22,4 +22,4 @@
       </view>
     </view>
   </scroll-view>
-</view>
\ No newline at end of file
+</view>