diff --git a/src/hooks/web/usePermission.ts b/src/hooks/web/usePermission.ts
index bfff591da..c367875f1 100644
--- a/src/hooks/web/usePermission.ts
+++ b/src/hooks/web/usePermission.ts
@@ -30,7 +30,7 @@ export function usePermission() {
   async function togglePermissionMode() {
     appStore.setProjectConfig({
       permissionMode:
-        projectSetting.permissionMode === PermissionModeEnum.BACK
+        appStore.projectConfig?.permissionMode === PermissionModeEnum.BACK
           ? PermissionModeEnum.ROUTE_MAPPING
           : PermissionModeEnum.BACK,
     });