diff --git a/mock/listTableList.ts b/mock/listTableList.ts
index 154b5891..d58a1bdc 100644
--- a/mock/listTableList.ts
+++ b/mock/listTableList.ts
@@ -49,8 +49,8 @@ function getRule(req: Request, res: Response, u: string) {
     ((current as number) - 1) * (pageSize as number),
     (current as number) * (pageSize as number),
   );
-  const sorter = JSON.parse(params.sorter || ('{}' as any));
-  if (sorter) {
+  if (params.sorter) {
+    const sorter = JSON.parse(params.sorter);
     dataSource = dataSource.sort((prev, next) => {
       let sortNumber = 0;
       Object.keys(sorter).forEach((key) => {