diff --git a/zh-cn/application-dev/reference/apis/js-apis-inner-application-applicationStateObserver.md b/zh-cn/application-dev/reference/apis/js-apis-inner-application-applicationStateObserver.md
index f26db7ba6695bd6f97a3c9abc4be306b52f97cac..dc49d568e50613a19cf36428932e51871a9fde1a 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-inner-application-applicationStateObserver.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inner-application-applicationStateObserver.md
@@ -43,5 +43,5 @@ let applicationStateObserver = {
         console.log('onProcessStateChanged onProcessStateChanged: ${JSON.stringify(processData)}');
     }
 };
-let observerCode = appManager.registerApplicationStateObserver(applicationStateObserver);
+let observerCode = appManager.on('applicationState', applicationStateObserver);
 ```
\ No newline at end of file