fix

src/pages/schoolclasslist/index.js

@@ -110,9 +110,7 @@ Page({
   onHide: function () { // Do something when page hide.
 
   },
-  onUnload: function () { // Do something when page close.
-    // this.didAnimation();
-  },
+  
   onPullDownRefresh: function () { // Do something when pull down.
     this.setData({
       hasmore: true,
@@ -123,8 +121,6 @@ Page({
   onReachBottom: function () { // Do something when page reach bottom.
     this.themeListGet('up')
   },
-  onShareAppMessage: function () { // return custom share data when user share.
-  },
   onPageScroll: function (e) { // Do something when page scroll
     let that = this
     let scrollTop = e.scrollTop

src/pages/schoolclasslist/index.wxss

@@ -17,7 +17,8 @@ page{
     width: 29rpx;
     height: 24rpx;
     position: absolute;
-    left: 30rpx;
+    left: 14rpx;
+    padding: 10rpx;
     top: 50%;
     transform: translateY(-50%);
 }