Signed-off-by: yukangzhe <382985154@qq.com>

pages/showVideoList/showVideoList.json

@@ -1,4 +1,5 @@
 {
+  "enablePullDownRefresh": true,
   "navigationBarTitleText": "全部视频",
   "usingComponents": {
     "switchTab":"/pages/Components/switchTab/switchTab",