diff --git a/src/typings/router.d.ts b/src/typings/router.d.ts
index ab4030d6..f5128495 100644
--- a/src/typings/router.d.ts
+++ b/src/typings/router.d.ts
@@ -27,7 +27,7 @@ declare module 'vue-router' {
     /**
      * Is constant route
      *
-     * Does not need to login, and the route is defined in the front-end
+     * when it is set to true, there will be no login verification and no permission verification to access the route
      */
     constant?: boolean | null;
     /**
@@ -57,7 +57,10 @@ declare module 'vue-router' {
      *   the route is "user_detail", if it is set to "user_list", the menu "user_list" will be activated
      */
     activeMenu?: import('@elegant-router/types').RouteKey | null;
-    /** By default, the same route path will use one tab, if set to true, it will use multiple tabs */
+    /**
+     * By default, the same route path will use one tab, even with different query, if set true, the route with
+     * different query will use different tabs
+     */
     multiTab?: boolean | null;
     /** If set, the route will be fixed in tabs, and the value is the order of fixed tabs */
     fixedIndexInTab?: number | null;