diff --git a/en/application-dev/reference/apis/js-apis-WorkSchedulerExtensionAbility.md b/en/application-dev/reference/apis/js-apis-WorkSchedulerExtensionAbility.md
index d3e2597d19eff7001b17d41a0be2f9fab43a2947..710b50d0afc51d31b2281f784abd78ac1d4b88d6 100644
--- a/en/application-dev/reference/apis/js-apis-WorkSchedulerExtensionAbility.md
+++ b/en/application-dev/reference/apis/js-apis-WorkSchedulerExtensionAbility.md
@@ -1,7 +1,7 @@
# Work Scheduler Callbacks
->  **NOTE**
-> The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.
+>  **NOTE**
+> The initial APIs of this module are supported since API version 9. API version 9 is a canary version for trial use. The APIs of this version may be unstable.
## Modules to Import
@@ -36,7 +36,7 @@ Triggered when the Work Scheduler task starts.
## WorkSchedulerExtensionAbility.onWorkStop
-onWorkStop(work: workScheduler.WorkInfo)
+onWorkStop(work: workScheduler.WorkInfo): void
Triggered when the Work Scheduler task stops.
diff --git a/en/application-dev/reference/apis/js-apis-workScheduler.md b/en/application-dev/reference/apis/js-apis-workScheduler.md
index 770f833363445e40fa738a4347ff68444125b3f6..5343de55b204aef4cc291a5db48719edc8b8e27e 100644
--- a/en/application-dev/reference/apis/js-apis-workScheduler.md
+++ b/en/application-dev/reference/apis/js-apis-workScheduler.md
@@ -1,7 +1,7 @@
# Work Scheduler
->  **NOTE**
-> The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.
+>  **NOTE**
+> The initial APIs of this module are supported since API version 9. API version 9 is a canary version for trial use. The APIs of this version may be unstable.
## Modules to Import
@@ -220,13 +220,13 @@ Checks whether the last execution of the specified task timed out. This API uses
| Name | Type | Mandatory | Description |
| -------- | -------------------- | ---- | ---------------------------------------- |
| workId | number | Yes | Task ID. |
-| callback | AsyncCallback\ | Yes | Callback used to return the result.|
+| callback | AsyncCallback\ | Yes | Callback used to return the result. Returns **true** if the last execution of the specified task timed out; returns **false** otherwise.|
**Return value**
| Type | Description |
| ------- | ---------------------------------------- |
-| boolean | Returns **true** if the last execution of the specified task timed out; returns **false** otherwise.|
+| boolean | Callback used to return the result. Returns **true** if the last execution of the specified task timed out; returns **false** otherwise.|
**Example**
@@ -276,20 +276,21 @@ Provides detailed information about the task.
**System capability**: SystemCapability.ResourceSchedule.WorkScheduler
-| Name | Type | Mandatory | Description |
-| --------------- | --------------------------------- | ---- | ---------------- |
-| workId | number | Yes | Task ID. |
-| bundleName | string | Yes | Name of the Work Scheduler task bundle. |
-| abilityName | string | Yes | Name of the component to be notified by a Work Scheduler callback.|
-| networkType | [NetworkType](#networktype) | No | Network type. |
-| isCharging | boolean | No | Whether the device is charging. |
-| chargerType | [ChargingType](#chargingtype) | No | Charging type. |
-| batteryLevel | number | No | Battery level. |
-| batteryStatus | [BatteryStatus](#batterystatus) | No | Battery status. |
-| storageRequest | [StorageRequest](#storagerequest) | No | Storage status. |
-| isRepeat | boolean | No | Whether the task is repeated. |
-| repeatCycleTime | number | No | Repeat interval. |
-| repeatCount | number | No | Number of repeat times. |
+| Name | Type | Mandatory| Description |
+| --------------- | --------------------------------- | ---- | -------------------------------- |
+| workId | number | Yes | Task ID. |
+| bundleName | string | Yes | Name of the Work Scheduler task bundle. |
+| abilityName | string | Yes | Name of the component to be notified by a Work Scheduler callback.|
+| networkType | [NetworkType](#networktype) | No | Network type. |
+| isCharging | boolean | No | Whether the device is charging. |
+| chargerType | [ChargingType](#chargingtype) | No | Charging type. |
+| batteryLevel | number | No | Battery level. |
+| batteryStatus | [BatteryStatus](#batterystatus) | No | Battery status. |
+| storageRequest | [StorageRequest](#storagerequest) | No | Storage status. |
+| isRepeat | boolean | No | Whether the task is repeated. |
+| repeatCycleTime | number | No | Repeat interval. |
+| repeatCount | number | No | Number of repeat times. |
+| isPersisted | boolean | No | Whether to enable persistent storage for the task. |
## NetworkType
Enumerates the network types that can trigger the task.