diff --git a/PullToRefresh/src/main/ets/components/PullToRefresh/PullToRefresh.ets b/PullToRefresh/src/main/ets/components/PullToRefresh/PullToRefresh.ets
index c121187cda02344370a7600541895a0e21b73e4a..055567cc38741c9a6a3f2eb0454f79619c78c1ee 100644
--- a/PullToRefresh/src/main/ets/components/PullToRefresh/PullToRefresh.ets
+++ b/PullToRefresh/src/main/ets/components/PullToRefresh/PullToRefresh.ets
@@ -25,7 +25,7 @@ const IS_LOADING = 5;
 
 @Component
 export struct PullToRefresh {
-  @Link data: any;
+  @Link data: unknown;
   scroller: Scroller;
   @BuilderParam customList: () => void;
   refreshConfigurator?: PullToRefreshConfigurator;