diff --git a/src/typings/api.d.ts b/src/typings/api.d.ts
index b81b1424..7e85dd2e 100644
--- a/src/typings/api.d.ts
+++ b/src/typings/api.d.ts
@@ -220,7 +220,7 @@ declare namespace Api {
       /** By default, the same route path will use one tab, if set to true, it will use multiple tabs */
       multiTab?: boolean;
       /** If set, the route will be fixed in tabs, and the value is the order of fixed tabs */
-      fixedIndexInTab?: number;
+      fixedIndexInTab?: number | null;
       /** if set query parameters, it will be automatically carried when entering the route */
       query: Record<string, string>;
       /** menu buttons */
diff --git a/src/views/manage/menu/modules/menu-operate-drawer.vue b/src/views/manage/menu/modules/menu-operate-drawer.vue
index dd29c34a..3ef3dd9f 100644
--- a/src/views/manage/menu/modules/menu-operate-drawer.vue
+++ b/src/views/manage/menu/modules/menu-operate-drawer.vue
@@ -105,7 +105,7 @@ function createDefaultModel(): Model {
     keepAlive: false,
     href: '',
     multiTab: false,
-    fixedIndexInTab: 0,
+    fixedIndexInTab: null,
     roles: [],
     buttons: [],
     query: {}