优化 index-tree.vue.vm 文件，undefined 修改为 null

fungleo

2020-07-26 ca657b048275fbac4fd13e3c26808ad20e8ea128

 ruoyi-ui/src/views/system/user/profile/resetPwd.vue

@@ -59,8 +59,6 @@
            response => {

              if (response.code === 200) {

                this.msgSuccess("修改成功");

              } else {

                this.msgError(response.msg);

              }

            }

          );