diff --git a/api/@ohos.telephony.observer.d.ts b/api/@ohos.telephony.observer.d.ts
index 8e2a6600f16a2cfa7099c437b5531e82c11fa3e4..7d00225b7857db869230bcccc592298c1e676859 100644
--- a/api/@ohos.telephony.observer.d.ts
+++ b/api/@ohos.telephony.observer.d.ts
@@ -21,9 +21,7 @@
 import type { Callback } from './@ohos.base';
 import type radio from './@ohos.telephony.radio';
 import type data from './@ohos.telephony.data';
-/*** if arkts 1.1 */
 import type call from './@ohos.telephony.call';
-/*** endif */
 import type sim from './@ohos.telephony.sim';
 
 /**
@@ -102,7 +100,8 @@ declare namespace observer {
    *
    * @typedef { call.CallState }
    * @syscap SystemCapability.Telephony.StateRegistry
-   * @since 6
+   * @since arkts {'1.1':'6','1.2':'20'}
+   * @arkts 1.1&1.2
    */
   type CallState = call.CallState;