diff --git a/api/arkui/component/repeat.d.ets b/api/arkui/component/repeat.d.ets
index c4336733e98e20513432eb0b570b6a0bbe8cc907..aab892b5078dcd13b4fe85f9c89338c5fc2ce066 100755
--- a/api/arkui/component/repeat.d.ets
+++ b/api/arkui/component/repeat.d.ets
@@ -55,6 +55,7 @@ type TemplateTypedFunc<T> = (item: T, index: number) => string;
  * @atomicservice
  * @since 20
  */
+@memo
 type RepeatItemBuilder<T> = (repeatItem: RepeatItem<T>) => void;
 
 /**