优化缩进菜单样式bug

template/admin/src/components/main/main.less

@@ -39,7 +39,7 @@
   .left-sider {
     .ivu-layout-sider-children {
       overflow-y: scroll;
-      margin-right: -16px;
+      //margin-right: -16px;
       overflow-x: hidden;
     }
   }