修改文件夹排序展开收起文件夹 Bug(3138)

src/components/FolderOrder/index.jsx

@@ -92,7 +92,11 @@ class FolderOrder extends React.Component {
         } else {
             folderListCopy.splice(index, 1)
             folderListCopy.splice(index+1, 0 , item)
-            if(selectIndex > -1) {
+            if(selectIndex === index + 1) {
+                this.setState({
+                    selectIndex: selectIndex - 1
+                })
+            }else if(selectIndex == 0 ) {
                 this.setState({
                     selectIndex: selectIndex+1
                 })