diff --git a/package.json b/package.json
index 1878b8ae7..3235a2151 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,8 @@
         "dev:demo": "pnpm --dir packages/demo dev",
         "dev:fineui": "pnpm --dir packages/fineui dev",
         "build": "pnpm --dir packages/fineui build",
-        "build:demo": "pnpm --dir packages/demo build"
+        "build:demo": "pnpm --dir packages/demo build",
+        "tsc": "pnpm --dir packages/fineui tsc"
     },
     "devDependencies": {
         "@babel/cli": "^7.21.0",
diff --git a/packages/fineui/typescript/router/router.ts b/packages/fineui/typescript/router/router.ts
index 5db2af9ee..1ac76c266 100644
--- a/packages/fineui/typescript/router/router.ts
+++ b/packages/fineui/typescript/router/router.ts
@@ -1,3 +1,5 @@
+import { Widget } from '../core/widget';
+
 type Component = any
 type Dictionary<T> = { [key: string]: T }
 type ErrorHandler = (err: Error) => void
@@ -244,6 +246,6 @@ export declare class RouterWidget {
     static xtype: string;
 }
 
-export declare class RouterView {
+export declare class RouterView extends Widget {
     static xtype: string;
 }