diff --git a/zh-cn/application-dev/reference/apis/js-apis-workScheduler.md b/zh-cn/application-dev/reference/apis/js-apis-workScheduler.md
index 899d41aa44381b69b70098dd08de49c5e61738d8..c9012d9367bf1599c6101b51e67e55b555416a54 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-workScheduler.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-workScheduler.md
@@ -40,12 +40,17 @@ startWork(work: WorkInfo): boolean
 ```js
   let workInfo = {
       workId: 1,
-      batteryLevel:50,
       batteryStatus:workScheduler.BatteryStatus.BATTERY_STATUS_LOW,
       isRepeat: false,
       isPersisted: true,
       bundleName: "com.example.myapplication",
-      abilityName: "MyExtension"
+      abilityName: "MyExtension",
+      parameters: {
+          mykey0: 1,
+          mykey1: "string value",
+          mykey2: true,
+          mykey3: 1.5
+      }
   }
   var res = workScheduler.startWork(workInfo);
   console.info("workschedulerLog res:" + res);
@@ -76,12 +81,17 @@ stopWork(work: WorkInfo, needCancel?: boolean): boolean
 ```js
   let workInfo = {
       workId: 1,
-      batteryLevel:50,
       batteryStatus:workScheduler.BatteryStatus.BATTERY_STATUS_LOW,
       isRepeat: false,
       isPersisted: true,
       bundleName: "com.example.myapplication",
-      abilityName: "MyExtension"
+      abilityName: "MyExtension",
+      parameters: {
+          mykey0: 1,
+          mykey1: "string value",
+          mykey2: true,
+          mykey3: 1.5
+      }
      }
   var res = workScheduler.stopWork(workInfo, false);
   console.info("workschedulerLog res:" + res);
@@ -299,6 +309,7 @@ isLastWorkTimeOut(workId: number): Promise\<boolean>
 | isPersisted     | boolean                           | 否    | 是否持久化保存工作        |
 | isDeepIdle      | boolean                           | 否    | 是否要求设备进入空闲状态     |
 | idleWaitTime    | number                            | 否    | 空闲等待时间           |
+| parameters      | {[key: string]: any}              | 否    | 携带参数信息           |
 
 ## NetworkType
 触发工作的网络类型。
diff --git a/zh-cn/application-dev/task-management/work-scheduler-dev-guide.md b/zh-cn/application-dev/task-management/work-scheduler-dev-guide.md
index 412d2d2cb2cc5882fe29f1d83c39cf6eb0e3c0b5..daacaf58b8344957473b1e94bde03b7fb4a77fa9 100644
--- a/zh-cn/application-dev/task-management/work-scheduler-dev-guide.md
+++ b/zh-cn/application-dev/task-management/work-scheduler-dev-guide.md
@@ -50,6 +50,7 @@ storageRequest|存储状态|    StorageRequest
 isRepeat|是否循环任务|    boolean
 repeatCycleTime |循环间隔|    number
 repeatCount    |循环次数| number
+parameters    |携带参数信息| {[key: string]: any}
 
 **表3** 延迟任务回调接口
 
@@ -80,12 +81,17 @@ onWorkStop(work: WorkInfo): void; | 延迟调度任务结束回调
     
     let workInfo = {
         workId: 1,
-        batteryLevel:50,
         batteryStatus:workScheduler.BatteryStatus.BATTERY_STATUS_LOW,
         isRepeat: false,
         isPersisted: true,
         bundleName: "com.example.myapplication",
-        abilityName: "MyExtension"
+        abilityName: "MyExtension",
+        parameters: {
+          mykey0: 1,
+          mykey1: "string value",
+          mykey2: true,
+          mykey3: 1.5
+      }
     }
     var res = workScheduler.startWork(workInfo);
     console.info("workschedulerLog res:" + res);
@@ -98,12 +104,17 @@ onWorkStop(work: WorkInfo): void; | 延迟调度任务结束回调
     
     let workInfo = {
         workId: 1,
-        batteryLevel:50,
         batteryStatus:workScheduler.BatteryStatus.BATTERY_STATUS_LOW,
         isRepeat: false,
         isPersisted: true,
         bundleName: "com.example.myapplication",
-        abilityName: "MyExtension"
+        abilityName: "MyExtension",
+        parameters: {
+          mykey0: 1,
+          mykey1: "string value",
+          mykey2: true,
+          mykey3: 1.5
+      }
     }
     var res = workScheduler.stopWork(workInfo, false);
     console.info("workschedulerLog res:" + res);
diff --git a/zh-cn/application-dev/task-management/work-scheduler-overview.md b/zh-cn/application-dev/task-management/work-scheduler-overview.md
index c2ce0fe7fe8203b8863fe8688131a33e9d1b0d5b..e4b8d34943147f81881be561c4649b8afeb5886c 100644
--- a/zh-cn/application-dev/task-management/work-scheduler-overview.md
+++ b/zh-cn/application-dev/task-management/work-scheduler-overview.md
@@ -28,4 +28,6 @@
 
 （2）至少要设置一个满足的条件。
 
-（3）重复任务时间间隔至少20分钟，当设置重复任务时间间隔时，必须设置始终重复和重复次数中的一个。
\ No newline at end of file
+（3）重复任务时间间隔至少20分钟，当设置重复任务时间间隔时，必须设置始终重复和重复次数中的一个。
+
+（4）携带参数信息支持number、string、bool三种类型。
\ No newline at end of file