diff --git a/packages/vant/src/lazyload/vue-lazyload/index.d.ts b/packages/vant/src/lazyload/vue-lazyload/index.d.ts
index d607bad3a..abe469210 100644
--- a/packages/vant/src/lazyload/vue-lazyload/index.d.ts
+++ b/packages/vant/src/lazyload/vue-lazyload/index.d.ts
@@ -44,7 +44,7 @@ export declare const Lazyload: {
   install(app: App, options?: LazyloadOptions): void;
 };
 
-declare module '@vue/runtime-core' {
+declare module 'vue' {
   interface ComponentCustomProperties {
     $Lazyload: {
       $on: (event: string, handler: Callback) => void;