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 fbb1fb0d0aa027762f4a6a9adad0336c33babd69..40e5f6498283fd9625f251508de80b7e2b0d8faa 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
@@ -191,7 +191,7 @@ 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));