用户和用户组切换，数据渲染有误问题。

src/views/SystemManage/PermissionManage.vue

@@ -74,6 +74,7 @@
           style="width: 100%;"
           highlight-current-row
           ref="multipleTable"
+          :key="key1"
           :data="userTableData"
           class="table"
         >
@@ -244,6 +245,7 @@
           highlight-current-row
           ref="multipleTable"
           :data="groupTableData"
+          :key="key2"
           class="table"
         >
           <el-table-column
@@ -393,6 +395,8 @@ export default {
   },
   data() {
     return {
+      key1: 1,
+      key2: 0,
       isUser: false,
       isGroup: false,
       userTableData: [],
@@ -470,12 +474,14 @@ export default {
       this.isGroup = false;
       this.userClear();
       this.searchUser();
+      this.key1 += 1;
     },
     getGroup() {
       this.isUser = false;
       this.isGroup = true;
       this.groupClear();
       this.searchGroup();
+      this.key2 += 1;
     },
     // 用户清空
     userClear() {