diff --git a/api/@internal/component/ets/common.d.ts b/api/@internal/component/ets/common.d.ts
index e05c939d918099f94d86f154df0a149ef38cf9db..9e88fb46571a1995c12120c6a72571fee5357cab 100644
--- a/api/@internal/component/ets/common.d.ts
+++ b/api/@internal/component/ets/common.d.ts
@@ -1844,7 +1844,12 @@ declare class CommonShapeMethod<T> extends CommonMethod<T> {
  * Custom Component
  * @since 7
  */
-declare class CustomComponent {
+/**
+ * Custom Component
+ * @extends CommonAttribute
+ * @since 9
+ */
+declare class CustomComponent extends CommonAttribute {
   /**
    * Customize the pop-up content constructor.
    * @since 7