diff --git a/zh-cn/application-dev/reference/apis/js-apis-system-time.md b/zh-cn/application-dev/reference/apis/js-apis-system-time.md
index 8fe3e976fc12825b8207e5b303635696c9db7984..87cab1504928a4340c87c7149a33c2760db26e97 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-system-time.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-system-time.md
@@ -190,7 +190,7 @@ getRealActiveTime(isNano?: boolean): Promise<number>
 **示例：**
   
   ```js
-  systemTime.getCurrentTime().then((data) => {
+  systemTime.getRealActiveTime().then((data) => {
       console.log(`systemTime.getRealActiveTime success data : ` + JSON.stringify(data));
   }).catch((error) => {
       console.error(`failed to systemTime.getRealActiveTime because ` + JSON.stringify(error));