diff --git a/en/application-dev/reference/apis/js-apis-backgroundTaskManager.md b/en/application-dev/reference/apis/js-apis-backgroundTaskManager.md
index 7ffa13920f46c4e9fb71a46ddf85025d0385dcad..cbb0ff47c767fd26e499913f44ba88d7e6187f17 100644
--- a/en/application-dev/reference/apis/js-apis-backgroundTaskManager.md
+++ b/en/application-dev/reference/apis/js-apis-backgroundTaskManager.md
@@ -128,6 +128,7 @@ Cancels the suspension delay.
**Example**
```js
+ let id = 1;
backgroundTaskManager.cancelSuspendDelay(id);
```
@@ -313,14 +314,14 @@ Provides the information about the suspension delay.
**System capability**: SystemCapability.ResourceSchedule.BackgroundTaskManager.ContinuousTask
-| Name | Value| Description |
-| ----------------------- | ------ | ---------------------------- |
-| DATA_TRANSFER | 1 | Data transfer. |
-| AUDIO_PLAYBACK | 2 | Audio playback. |
-| AUDIO_RECORDING | 3 | Audio recording. |
-| LOCATION | 4 | Positioning and navigation. |
-| BLUETOOTH_INTERACTION | 5 | Bluetooth-related task. |
-| MULTI_DEVICE_CONNECTION | 6 | Multi-device connection. |
-| WIFI_INTERACTION | 7 | WLAN-related (reserved). |
-| VOIP | 8 | Voice and video call (reserved). |
-| TASK_KEEPING | 9 | Computing task (effective only for specific devices).|
+| Name | Value| Description |
+| ----------------------- | ------ | ------------------------------------------------------------ |
+| DATA_TRANSFER | 1 | Data transfer. |
+| AUDIO_PLAYBACK | 2 | Audio playback. |
+| AUDIO_RECORDING | 3 | Audio recording. |
+| LOCATION | 4 | Positioning and navigation. |
+| BLUETOOTH_INTERACTION | 5 | Bluetooth-related task. |
+| MULTI_DEVICE_CONNECTION | 6 | Multi-device connection. |
+| WIFI_INTERACTION | 7 | WLAN-related.
This is a system API and cannot be called by third-party applications.|
+| VOIP | 8 | Audio and video calls.
This is a system API and cannot be called by third-party applications.|
+| TASK_KEEPING | 9 | Computing task (effective only for specific devices). |