diff --git a/api/application/RunningMultiAppInfo.d.ts b/api/application/RunningMultiAppInfo.d.ts
index 29447ea549103f141a5d3356ec58f949365e0327..ad86e30c1de940902cfc0852347a204416925db7 100644
--- a/api/application/RunningMultiAppInfo.d.ts
+++ b/api/application/RunningMultiAppInfo.d.ts
@@ -59,7 +59,8 @@ export interface RunningMultiAppInfo {
    * @type { ?Array<RunningMultiInstanceInfo> }
    * @syscap SystemCapability.Ability.AbilityRuntime.Core
    * @systemapi
-   * @since 14
+   * @since arkts {'1.1':'14', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   runningMultiInstances?: Array<RunningMultiInstanceInfo>;