!9571 【轻量级 PR】：【OpenHarmony开源贡献者计划2022】update...

!9571 【轻量级 PR】：【OpenHarmony开源贡献者计划2022】update zh-cn/application-dev/reference/apis/js-apis-media.md.
Merge pull request !9571 from 李书明/N/A

zh-cn/application-dev/reference/apis/js-apis-media.md

@@ -2484,6 +2484,7 @@ on(type: 'error', callback: ErrorCallback): void
 videoRecorder.on('error', (error) => {                                  // 设置'error'事件回调
     console.info(`audio error called, error: ${error}`); 
 // 当获取videoRecordState接口出错时通过此订阅事件上报
+});
 ```
 
 ## VideoRecordState<sup>9+</sup>