修改文件夹排序不展开(3128)

src/components/FolderOrder/index.jsx

@@ -92,9 +92,12 @@ class FolderOrder extends React.Component {
         } else {
             folderListCopy.splice(index, 1)
             folderListCopy.splice(index+1, 0 , item)
-            this.setState({
-                selectIndex: selectIndex+1
-            })
+            if(selectIndex > -1) {
+                this.setState({
+                    selectIndex: selectIndex+1
+                })
+            }
+            
         }
         this.setState({
             folderList: folderListCopy