diff --git a/src/router/utils.ts b/src/router/utils.ts
index 127b7382a..7590db510 100644
--- a/src/router/utils.ts
+++ b/src/router/utils.ts
@@ -198,7 +198,7 @@ function initRouter() {
     } else {
       return new Promise(resolve => {
         getAsyncRoutes().then(({ data }) => {
-          handleAsyncRoutes(data);
+          handleAsyncRoutes(cloneDeep(data));
           storageSession.setItem(key, data);
           resolve(router);
         });
@@ -207,7 +207,7 @@ function initRouter() {
   } else {
     return new Promise(resolve => {
       getAsyncRoutes().then(({ data }) => {
-        handleAsyncRoutes(data);
+        handleAsyncRoutes(cloneDeep(data));
         resolve(router);
       });
     });