diff --git a/en/application-dev/reference/apis/js-apis-resourceschedule-workScheduler.md b/en/application-dev/reference/apis/js-apis-resourceschedule-workScheduler.md
index ab02ed0f2c5bf6bf553f6a36f6a94442db2bb378..9118b8b56684cc021cbd83511a905e28d5ddaead 100644
--- a/en/application-dev/reference/apis/js-apis-resourceschedule-workScheduler.md
+++ b/en/application-dev/reference/apis/js-apis-resourceschedule-workScheduler.md
@@ -39,7 +39,7 @@ For details about the error codes, see [workScheduler Error Codes](../errorcodes
 | 9700001 | Memory operation failed. |
 | 9700002 | Parcel operation failed. |
 | 9700003 | System service operation failed. |
-| 9700004 | Checking workInfo failed. |
+| 9700004 | Check workInfo failed. |
 | 9700005 | StartWork failed. |
 
 
@@ -80,7 +80,7 @@ Instructs the **WorkSchedulerService** to stop the specified task.
 | Name       | Type                   | Mandatory  | Description        |
 | ---------- | --------------------- | ---- | ---------- |
 | work       | [WorkInfo](#workinfo) | Yes   | Task to stop. |
-| needCancel | boolean               | Yes   | Whether to cancel the task.|
+| needCancel | boolean               | No   | Whether to cancel the task. The default value is **false**.|
 
 **Error codes**
 
@@ -91,7 +91,7 @@ For details about the error codes, see [workScheduler Error Codes](../errorcodes
 | 9700001 | Memory operation failed. |
 | 9700002 | Parcel operation failed. |
 | 9700003 | System service operation failed. |
-| 9700004 | Checking workInfo failed. |
+| 9700004 | Check workInfo failed. |
 
 **Example**
 
@@ -118,7 +118,7 @@ For details about the error codes, see [workScheduler Error Codes](../errorcodes
   }
 ```
 
-## workScheduler.getWorkStatus:callback
+## workScheduler.getWorkStatus
 getWorkStatus(workId: number, callback : AsyncCallback\<WorkInfo>): void
 
 Obtains the latest task status. This API uses an asynchronous callback to return the result.
@@ -141,7 +141,7 @@ For details about the error codes, see [workScheduler Error Codes](../errorcodes
 | 9700001 | Memory operation failed. |
 | 9700002 | Parcel operation failed. |
 | 9700003 | System service operation failed. |
-| 9700004 | Checking workInfo failed. |
+| 9700004 | Check workInfo failed. |
 
 **Example**
 
@@ -161,7 +161,7 @@ For details about the error codes, see [workScheduler Error Codes](../errorcodes
   }
 ```
 
-## workScheduler.getWorkStatus:promise
+## workScheduler.getWorkStatus
 getWorkStatus(workId: number): Promise\<WorkInfo>
 
 Obtains the latest task status. This API uses a promise to return the result.
@@ -189,7 +189,7 @@ For details about the error codes, see [workScheduler Error Codes](../errorcodes
 | 9700001 | Memory operation failed. |
 | 9700002 | Parcel operation failed. |
 | 9700003 | System service operation failed. |
-| 9700004 | Checking workInfo failed. |
+| 9700004 | Check workInfo failed. |
 
 **Example**
 
@@ -207,7 +207,7 @@ For details about the error codes, see [workScheduler Error Codes](../errorcodes
   }
 ```
 
-## workScheduler.obtainAllWorks:callback
+## workScheduler.obtainAllWorks
 obtainAllWorks(callback : AsyncCallback\<void>): Array\<WorkInfo>
 
 Obtains all tasks associated with this application. This API uses an asynchronous callback to return the result.
@@ -252,8 +252,8 @@ For details about the error codes, see [workScheduler Error Codes](../errorcodes
   }
 ```
 
-## workScheduler.obtainAllWorks:promise
-obtainAllWorks(): Promise<Array\<WorkInfo>>
+## workScheduler.obtainAllWorks
+obtainAllWorks(): Promise\<Array\<WorkInfo>>
 
 Obtains all tasks associated with this application. This API uses a promise to return the result.
 
@@ -317,7 +317,7 @@ For details about the error codes, see [workScheduler Error Codes](../errorcodes
   }
 ```
 
-## workScheduler.isLastWorkTimeOut:callback
+## workScheduler.isLastWorkTimeOut
 isLastWorkTimeOut(workId: number, callback : AsyncCallback\<void>): boolean
 
 Checks whether the last execution of the specified task timed out. This API uses an asynchronous callback to return the result.
@@ -346,7 +346,7 @@ For details about the error codes, see [workScheduler Error Codes](../errorcodes
 | 9700001 | Memory operation failed. |
 | 9700002 | Parcel operation failed. |
 | 9700003 | System service operation failed. |
-| 9700004 | Checking workInfo failed. |
+| 9700004 | Check workInfo failed. |
 
 **Example**
 
@@ -364,7 +364,7 @@ For details about the error codes, see [workScheduler Error Codes](../errorcodes
   }
 ```
 
-## workScheduler.isLastWorkTimeOut:promise
+## workScheduler.isLastWorkTimeOut
 isLastWorkTimeOut(workId: number): Promise\<boolean>
 
 Checks whether the last execution of the specified task timed out. This API uses a promise to return the result.
@@ -392,7 +392,7 @@ For details about the error codes, see [workScheduler Error Codes](../errorcodes
 | 9700001 | Memory operation failed. |
 | 9700002 | Parcel operation failed. |
 | 9700003 | System service operation failed. |
-| 9700004 | Checking workInfo failed. |
+| 9700004 | Check workInfo failed. |
 
 **Example**
 
@@ -432,7 +432,7 @@ Provides detailed information about the task. For details about the constraints
 | isPersisted     | boolean                           | No   | Whether to enable persistent storage for the task.       |
 | isDeepIdle      | boolean                           | No   | Whether the device needs to enter the idle state.    |
 | idleWaitTime    | number                            | No   | Time to wait in the idle state.          |
-| parameters      | {[key: string]: number | string | boolean}              | No   | Carried parameters.          |
+| parameters      | {[key: string]: number \| string \| boolean}              | No   | Carried parameters.          |
 
 ## NetworkType
 Enumerates the network types that can trigger the task.
diff --git a/en/application-dev/reference/errorcodes/errorcode-backgroundTaskMgr.md b/en/application-dev/reference/errorcodes/errorcode-backgroundTaskMgr.md
index a92c890358492459fdf13ef213ac3a392628a5b7..d2bd2b2bab4cce2b073012354999b2d2d706c0dd 100644
--- a/en/application-dev/reference/errorcodes/errorcode-backgroundTaskMgr.md
+++ b/en/application-dev/reference/errorcodes/errorcode-backgroundTaskMgr.md
@@ -38,7 +38,7 @@ Try again later or restart the device.
 
 **Error Message**
 
-IPC failed.
+Inner transact failed.
 
 **Possible Causes**
 
@@ -67,7 +67,7 @@ Try again later or restart the device.
 
 **Error Message**
 
-Continuous task verification failed.
+Background task verification failed.
 
 **Possible Causes**
 
@@ -120,7 +120,7 @@ Task storage failed.
 
 **Error Message**
 
-Caller information verification failed for a transient task.
+Caller information verification failed.
 
 **Possible Causes**
 
@@ -138,7 +138,7 @@ Caller information verification failed for a transient task.
 
 **Error Message**
 
-Transient task verification failed.
+Background task verification failed.
 
 **Possible Causes**
 
@@ -157,7 +157,7 @@ Transient task verification failed.
 
 **Error Message**
 
-Caller information verification failed when applying for efficiency resources.
+Caller information verification failed.
 
 **Possible Causes**
 
diff --git a/en/application-dev/reference/errorcodes/errorcode-workScheduler.md b/en/application-dev/reference/errorcodes/errorcode-workScheduler.md
index 34e8a080061c3c7be0c0eb64c0c9bf617ff26d05..24b92da43813930c24a0215744f6130179f58074 100644
--- a/en/application-dev/reference/errorcodes/errorcode-workScheduler.md
+++ b/en/application-dev/reference/errorcodes/errorcode-workScheduler.md
@@ -53,7 +53,7 @@ Try again later or restart the device.
 
 **Error Message**
 
-Checking workInfo failed.
+Check workInfo failed.
 
 **Possible Causes**