diff --git a/zh-cn/application-dev/reference/apis/js-apis-bluetooth.md b/zh-cn/application-dev/reference/apis/js-apis-bluetooth.md
index 079515403860b6b97a5a96e7d6db407227e3031c..edab2c029b5d1a90ff1e45bc42457af7b5ce8066 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-bluetooth.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-bluetooth.md
@@ -729,7 +729,7 @@ bluetooth.off('stateChange', onReceiveEvent);
 ```
 
 
-## bluetooth.sppListen<sup>8+</sup><a name="sppListen<"></a>
+## bluetooth.sppListen<sup>8+</sup><a name="sppListen"></a>
 
 sppListen(name: string, option: SppOption, callback: AsyncCallback&lt;number&gt;): void
 
@@ -1288,8 +1288,6 @@ getDeviceState(device: string): ProfileConnectionState
 | 参数名    | 类型     | 必填   | 说明      |
 | ------ | ------ | ---- | ------- |
 | device | string | 是    | 远端设备地址。 |
-|
-
 **返回值：**
 
 |                                                   |                         |
@@ -1303,7 +1301,7 @@ getDeviceState(device: string): ProfileConnectionState
 使用A2dpSourceProfile方法之前需要创建该类的实例进行操作，通过getProfile()方法构造此实例。
 
 
-### connect<sup>8+</sup><a name="connect"></a>
+### connect<sup>8+</sup><a name="a2dp-connect"></a>
 
 connect(device: string): boolean
 
@@ -1335,7 +1333,7 @@ let ret = a2dpSrc.connect('XX:XX:XX:XX:XX:XX');
 ```
 
 
-### disconnect<sup>8+</sup><a name="disconnect"></a>
+### disconnect<sup>8+</sup><a name="a2dp-disconnect"></a>
 
 disconnect(device: string): boolean
 
@@ -1459,7 +1457,7 @@ let state = a2dpSrc.getPlayingState('XX:XX:XX:XX:XX:XX');
 使用HandsFreeAudioGatewayProfile方法之前需要创建该类的实例进行操作，通过getProfile()方法构造此实例。
 
 
-### connect<sup>8+</sup><a name="connect"></a>
+### connect<sup>8+</sup><a name="hfp-connect"></a>
 
 connect(device: string): boolean
 
@@ -1491,7 +1489,7 @@ let ret = hfpAg.connect('XX:XX:XX:XX:XX:XX');
 ```
 
 
-### disconnect<sup>8+</sup><a name="disconnect"></a>
+### disconnect<sup>8+</sup><a name="hfp-disconnect"></a>
 
 disconnect(device: string): boolean
 
diff --git a/zh-cn/application-dev/work-scheduler/work-scheduler-dev-guide.md b/zh-cn/application-dev/work-scheduler/work-scheduler-dev-guide.md
index 43cabe327ff8a1cf8280270ed96742ab65886874..f55793180fccdb30586de7488f0dbfb76fc3a342 100644
--- a/zh-cn/application-dev/work-scheduler/work-scheduler-dev-guide.md
+++ b/zh-cn/application-dev/work-scheduler/work-scheduler-dev-guide.md
@@ -22,15 +22,15 @@ import WorkSchedulerExtensionAbility from '@ohos.WorkSchedulerExtensionAbility';
 
 接口名                                                    |     接口描述                            
 ---------------------------------------------------------|-----------------------------------------
-function startWork(work: WorkInfo): boolean; | 延迟调度任务申请 
-function stopWork(work: WorkInfo, needCancel?: boolean): boolean;        | 延迟调度任务取消 
-function getWorkStatus(workId: number, callback: AsyncCallback<WorkInfo>): void;| 获取延迟调度任务状态（Callback形式） 
-function getWorkStatus(workId: number): Promise<WorkInfo>; | 获取延迟调度任务状态（Promise形式） 
-function obtainAllWorks(callback: AsyncCallback<void>): Array<WorkInfo>;| 获取所有延迟调度任务（Callback形式） 
-function obtainAllWorks(): Promise<Array<WorkInfo>>;| 获取所有延迟调度任务（Promise形式） 
-function stopAndClearWorks(): boolean;| 停止并清除任务
-function isLastWorkTimeOut(workId: number, callback: AsyncCallback<void>): boolean;| 获取上次任务是否超时（针对RepeatWork，Callback形式）
-function isLastWorkTimeOut(workId: number): Promise<boolean>;| 获取上次任务是否超时（针对RepeatWork，Promise形式）
+startWork(work: WorkInfo): boolean | 延迟调度任务申请 
+stopWork(work: WorkInfo, needCancel?: boolean): boolean        | 延迟调度任务取消 
+getWorkStatus(workId: number, callback: AsyncCallback\<WorkInfo>): void| 获取延迟调度任务状态（Callback形式） 
+getWorkStatus(workId: number): Promise\<WorkInfo> | 获取延迟调度任务状态（Promise形式） 
+obtainAllWorks(callback: AsyncCallback\<void>): Array\<WorkInfo>| 获取所有延迟调度任务（Callback形式） 
+obtainAllWorks(): Promise<Array\<WorkInfo>>| 获取所有延迟调度任务（Promise形式） 
+stopAndClearWorks(): boolean| 停止并清除任务
+isLastWorkTimeOut(workId: number, callback: AsyncCallback\<void>): boolean| 获取上次任务是否超时（针对RepeatWork，Callback形式）
+isLastWorkTimeOut(workId: number): Promise\<boolean>| 获取上次任务是否超时（针对RepeatWork，Promise形式）
 
 **表2** WorkInfo包含参数
 
@@ -53,15 +53,15 @@ repeatCount    |循环次数| number
 
 接口名                                                    |     接口描述                            
 ---------------------------------------------------------|-----------------------------------------
-function onWorkStart(work: WorkInfo): void; | 延迟调度任务开始回调
-function onWorkStop(work: WorkInfo): void; | 延迟调度任务结束回调
+onWorkStart(work: WorkInfo): void | 延迟调度任务开始回调
+onWorkStop(work: WorkInfo): void | 延迟调度任务结束回调
 
 ### 开发步骤
 
 **开发对应的Extension**
 
     import WorkSchedulerExtensionAbility from '@ohos.WorkSchedulerExtensionAbility';
-
+    
     export default class MyWorkSchedulerExtensionAbility extends WorkSchedulerExtensionAbility {
         onWorkStart(workInfo) {
             console.log('MyWorkSchedulerExtensionAbility onWorkStart' + JSON.stringify(workInfo));
@@ -77,7 +77,7 @@ function onWorkStop(work: WorkInfo): void; | 延迟调度任务结束回调
 
 
     import workScheduler from '@ohos.workScheduler';
-
+    
     let workInfo = {
         workId: 1,
         batteryLevel:50,
@@ -95,7 +95,7 @@ function onWorkStop(work: WorkInfo): void; | 延迟调度任务结束回调
 
 
     import workScheduler from '@ohos.workScheduler';
-
+    
     let workInfo = {
         workId: 1,
         batteryLevel:50,