diff --git a/packages/vant-use/src/usePageVisibility/index.ts b/packages/vant-use/src/usePageVisibility/index.ts
index e63996815..883c606b1 100644
--- a/packages/vant-use/src/usePageVisibility/index.ts
+++ b/packages/vant-use/src/usePageVisibility/index.ts
@@ -1,6 +1,8 @@
 import { ref, Ref } from 'vue';
 import { inBrowser } from '../utils';
 
+type VisibilityState = "hidden" | "visible";
+
 let visibility: Ref<VisibilityState>;
 
 export function usePageVisibility() {