diff --git a/en/application-dev/notification/common-event.md b/en/application-dev/notification/common-event.md
index d5a6d7bdfbc6dcdd5b94d36e155d4650fc70630c..37d55ef434d0cec71eed60862e13f1de0d9e13fb 100644
--- a/en/application-dev/notification/common-event.md
+++ b/en/application-dev/notification/common-event.md
@@ -13,14 +13,14 @@ Each application can subscribe to common events as required. After your applicat
 ## Common Event Subscription Development
 
 ### When to Use
-You can create a subscriber object to subscribe to a common event to obtain the parameters passed in the event. Certain system common events require specific permissions to subscribe to. For details, see [Required Permissions](../reference/apis/js-apis-commonEvent.md).
+You can create a subscriber object to subscribe to a common event to obtain the parameters passed in the event. Certain system common events require specific permissions to subscribe to. For details, see [Required Permissions](../reference/apis/js-apis-commonEvent.md#support).
 
 ### Available APIs
 | API                                                                                         | Description|
 | ---------------------------------------------------------------------------------------------- | ----------- |
-| commonEvent.createSubscriber(subscribeInfo: CommonEventSubscribeInfo, callback: AsyncCallback) | Creates a subscriber. This API uses a callback to return the result.|
-| commonEvent.createSubscriber(subscribeInfo: CommonEventSubscribeInfo)                          | Creates a subscriber. This API uses a promise to return the result. |
-| commonEvent.subscribe(subscriber: CommonEventSubscriber, callback: AsyncCallback)              | Subscribes to common events.|
+| createSubscriber(subscribeInfo: CommonEventSubscribeInfo, callback: AsyncCallback) | Creates a subscriber. This API uses a callback to return the result.|
+| createSubscriber(subscribeInfo: CommonEventSubscribeInfo)                          | Creates a subscriber. This API uses a promise to return the result. |
+| subscribe(subscriber: CommonEventSubscriber, callback: AsyncCallback)              | Subscribes to common events.|
 
 ### How to Develop
 1. Import the **commonEvent** module.
@@ -82,8 +82,8 @@ You can use the **publish** APIs to publish a custom common event, which can car
 ### Available APIs
 | API                             | Description|
 | ---------------------------------- | ------ |
-| commonEvent.publish(event: string, callback: AsyncCallback) | Publishes a common event.|
-| commonEvent.publish(event: string, options: CommonEventPublishData, callback: AsyncCallback) | Publishes a common event with given attributes.|
+| publish(event: string, callback: AsyncCallback) | Publishes a common event.|
+| publish(event: string, options: CommonEventPublishData, callback: AsyncCallback) | Publishes a common event with given attributes.|
 
 ### How to Develop
 #### Development for Publishing a Common Event
@@ -119,7 +119,7 @@ import commonEvent from '@ohos.commonEvent'
 // Attributes of a common event.
 var options = {
     code: 1,			 // Result code of the common event
-    data: "initial data",// Result data of the common event
+    data: "initial data";// Result data of the common event
 }
 ```
 
@@ -144,7 +144,7 @@ You can use the **unsubscribe** API to unsubscribe from a common event.
 ### Available APIs
 | API                             | Description|
 | ---------------------------------- | ------ |
-| commonEvent.unsubscribe(subscriber: CommonEventSubscriber, callback?: AsyncCallback) | Unsubscribes from a common event.|
+| unsubscribe(subscriber: CommonEventSubscriber, callback?: AsyncCallback) | Unsubscribes from a common event.|
 
 ### How to Develop
 1. Import the **commonEvent** module.
@@ -153,7 +153,7 @@ You can use the **unsubscribe** API to unsubscribe from a common event.
 import commonEvent from '@ohos.commonEvent';
 ```
 
-2. Subscribe to a common event by following instructions in [Common Event Subscription Development](#Common-Event-Subscription-Development).
+2. Subscribe to a common event by following instructions in [Common Event Subscription Development](#common-event-subscription-development).
 3. Invoke the **unsubscribe** API in **CommonEvent** to unsubscribe from the common event.
 
 ```js
diff --git a/en/application-dev/notification/notification-brief.md b/en/application-dev/notification/notification-brief.md
index 8be39b2cc823398e4572a77469909f9fd06e2a5f..b1df6ce3e2c022accb06bc1070740b7d7b3e7433 100644
--- a/en/application-dev/notification/notification-brief.md
+++ b/en/application-dev/notification/notification-brief.md
@@ -7,16 +7,13 @@ Common Event Service (CES) enables applications to publish, subscribe to, and un
 ![ces](figures/ces.png)
 
 - System common event: sent by the system based on system policies to the applications that have subscribed to the event. This type of event includes the screen-on/off events that the users are aware of and the system events published by key system services, such as USB device attachment or detachment, network connection, and system update events.
-
 - Custom common event: customized by applications to be received by specific subscribers. This type of event is usually related to the service logic of the sender applications.
 
-  The Advanced Notification Service (ANS) enables applications to publish notifications. Below are some typical use cases for publishing notifications:
+The Advanced Notification Service (ANS) enables applications to publish notifications. Below are some typical use cases for publishing notifications:
 
-  - Display received SMS messages and instant messages.
-  
-  - Display push messages of applications, such as advertisements, version updates, and news notifications.
-  
-  - Display ongoing events, such as music playback, navigation information, and download progress.
+- Display received SMS messages and instant messages.
+- Display push messages of applications, such as advertisements, version updates, and news notifications.
+- Display ongoing events, such as music playback, navigation information, and download progress.
 
 Notifications are displayed in the notification panel. Uses can delete a notification or click the notification to trigger predefined actions.