diff --git a/en/application-dev/notification/figures/en-us_image_0000001466462305.png b/en/application-dev/notification/figures/en-us_image_0000001466462305.png
index 740f4b79a9ee234008cad6cf3616a8f213569476..7db8892ea08d7bc75f87c1f90cc7bc7281a7e07e 100644
Binary files a/en/application-dev/notification/figures/en-us_image_0000001466462305.png and b/en/application-dev/notification/figures/en-us_image_0000001466462305.png differ
diff --git a/en/application-dev/notification/notification-enable.md b/en/application-dev/notification/notification-enable.md
index 4b0ecd303d8f13b3f7ba4f43364ddd53ffadc1d7..0ab05bec0d4ec44eee8f2c5c43151c2da6da51d3 100644
--- a/en/application-dev/notification/notification-enable.md
+++ b/en/application-dev/notification/notification-enable.md
@@ -1,17 +1,17 @@
 # Enabling Notification
 
 
-To publish a notification, you must have notification enabled for your application. You can call the [requestEnableNotification()](../reference/apis/js-apis-notificationManager.md#notificationrequestenablenotification) API to display a dialog box prompting the user to enable notification for your application. Note that the dialog box is displayed only when the API is called for the first time.
+To publish a notification, you must have notification enabled for your application. You can call the [requestEnableNotification()](../reference/apis/js-apis-notificationManager.md#notificationmanagerrequestenablenotification) API to display a dialog box prompting the user to enable notification for your application. Note that the dialog box is displayed only when the API is called for the first time.
 
-  **Figure 1** Dialog box prompting the user to enable notification
+**Figure 1** Dialog box prompting the user to enable notification
 
 ![en-us_image_0000001416585590](figures/en-us_image_0000001416585590.png)
 
 
 - Touching **allow** enables notification for the application, and touching **ban** keeps notification disabled.
 
-- The dialog box will not be displayed again when [requestEnableNotification()](../reference/apis/js-apis-notificationManager.md#notificationrequestenablenotification) is called later. The user can manually enable notification as follows.
-
+- The dialog box will not be displayed again when [requestEnableNotification()](../reference/apis/js-apis-notificationManager.md#notificationmanagerrequestenablenotification) is called later. The user can manually enable notification as follows.
+  
   | 1. Swipe down from the upper left corner of the device screen to access the notification panel.                             | 2. Touch the **Settings** icon in the upper right corner. On the notification screen, locate the target application.| 3. Toggle on **Allow notifications**.                                         |
   | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------------------------------------------------------ |
   | ![en-us_image_0000001417062434](figures/en-us_image_0000001417062434.png) | ![en-us_image_0000001466462297](figures/en-us_image_0000001466462297.png) | ![en-us_image_0000001466782025](figures/en-us_image_0000001466782025.png) |
@@ -19,7 +19,7 @@ To publish a notification, you must have notification enabled for your applicati
 
 ## Available APIs
 
-For details about the APIs, see [@ohos.notificationManager](../reference/apis/js-apis-notificationManager.md#notificationrequestenablenotification).
+For details about the APIs, see [@ohos.notificationManager](../reference/apis/js-apis-notificationManager.md#notificationmanagerrequestenablenotification).
 
 **Table 1** Notification APIs
 
diff --git a/en/application-dev/notification/notification-overview.md b/en/application-dev/notification/notification-overview.md
index 6bef8be8fd446e62b3e3da04582b467c9ddc5961..f3dd4149d7b9c77be498f6d02abed67d9e070ab8 100644
--- a/en/application-dev/notification/notification-overview.md
+++ b/en/application-dev/notification/notification-overview.md
@@ -24,4 +24,5 @@ A notification is generated by the notification sender and sent to the notificat
 
 System applications also support notification-related configuration options, such as switches. The system configuration initiates a configuration request and sends the request to the notification subsystem for storage in the memory and database.
 
+**Figure 1** Notification service process 
 ![en-us_image_0000001466582017](figures/en-us_image_0000001466582017.png)
diff --git a/en/application-dev/notification/notification-subscription.md b/en/application-dev/notification/notification-subscription.md
index 95fe77de7feead97208082c12519523588cd6521..45e75f1f64606cfa89cae2cfae91b89a13faaa5c 100644
--- a/en/application-dev/notification/notification-subscription.md
+++ b/en/application-dev/notification/notification-subscription.md
@@ -16,19 +16,19 @@ The major APIs for notification subscription are described as follows. For detai
 | Name | Description|
 | -------- | -------- |
 | subscribe(subscriber: NotificationSubscriber, info: NotificationSubscribeInfo, callback: AsyncCallback<void>): void | Subscribes to notifications from a specific application.|
-| subscribe(subscriber: NotificationSubscriber, callback: AsyncCallback<void>): void                                  | Subscribes to notifications from all applications.    |
+| subscribe(subscriber: NotificationSubscriber, callback: AsyncCallback<void>): void | Subscribes to notifications from all applications.    |
 
 **Table 2** Callbacks for notification subscription
 
 | Name | Description|
 | -------- | -------- |
-| onConsume?:(data: SubscribeCallbackData) => void                                      | Callback for receiving notifications.              |
-| onCancel?:(data: SubscribeCallbackData) => void                                       | Callback for canceling notifications.          |
-| onUpdate?:(data: NotificationSortingMap) => void                                      | Callback for notification sorting updates.      |
-| onConnect?:() => void;                                                                | Callback for subscription.          |
-| onDisconnect?:() => void;                                                             | Callback for unsubscription.          |
-| onDestroy?:() => void                                                                 | Callback for disconnecting from the notification subsystem.  |
-| onDoNotDisturbDateChange?:(mode: notification.DoNotDisturbDate) => void               | Callback for the Do Not Disturb (DNT) time changes.|
+| onConsume?:(data: SubscribeCallbackData) => void | Callback for receiving notifications.              |
+| onCancel?:(data: SubscribeCallbackData) => void | Callback for canceling notifications.          |
+| onUpdate?:(data: NotificationSortingMap) => void | Callback for notification sorting updates.      |
+| onConnect?:() => void;                          | Callback for subscription.          |
+| onDisconnect?:() => void;                       | Callback for unsubscription.          |
+| onDestroy?:() => void                           | Callback for disconnecting from the notification subsystem.  |
+| onDoNotDisturbDateChange?:(mode: notification.DoNotDisturbDate) => void | Callback for the Do Not Disturb (DNT) time changes.|
 | onEnabledNotificationChanged?:(callbackData: EnabledNotificationCallbackData) => void | Callback for notification switch changes.      |
 
 
@@ -46,37 +46,38 @@ The major APIs for notification subscription are described as follows. For detai
    
    ```ts
    let subscriber = {
-       onConsume: function (data) {
-           let req = data.request;
-           console.info('[ANS] onConsume callback req.id: ' + req.id);
-       },
-       onCancel: function (data) {
-           let req = data.request;
-           console.info('[ANS] onCancel callback req.id: : ' + req.id);
-       },
-       onUpdate: function (data) {
-           console.info('[ANS] onUpdate in test');
-       },
-       onConnect: function () {
-           console.info('[ANS] onConnect in test');
-       },
-       onDisconnect: function () {
-           console.info('[ANS] onDisConnect in test');
-       },
-       onDestroy: function () {
-           console.info('[ANS] onDestroy in test');
-       },
+     onConsume: function (data) {
+       let req = data.request;
+       console.info(`onConsume callback. req.id: ${req.id}`);
+     },
+     onCancel: function (data) {
+       let req = data.request;
+       console.info(`onCancel callback. req.id: ${req.id}`);
+     },
+     onUpdate: function (data) {
+       let req = data.request;
+       console.info(`onUpdate callback. req.id: ${req.id}`);
+     },
+     onConnect: function () {
+       console.info(`onConnect callback.}`);
+     },
+     onDisconnect: function () {
+       console.info(`onDisconnect callback.}`);
+     },
+     onDestroy: function () {
+       console.info(`onDestroy callback.}`);
+     },
    };
    ```
-
+   
 4. Initiate notification subscription.
    
    ```ts
    notificationSubscribe.subscribe(subscriber, (err, data) => { // This API uses an asynchronous callback to return the result.
      if (err) {
-       console.error(`[ANS] subscribe failed, code is ${err.code}, message is ${err.message}`);
+       console.error(`Failed to subscribe notification. Code is ${err.code}, message is ${err.message}`);
        return;
      }
-     console.info(`[ANS] subscribeTest success : + ${data}`);
+     console.info(`Succeeded in subscribing to notification. Data: ${data}`);
    });
    ```
diff --git a/en/application-dev/notification/notification-with-wantagent.md b/en/application-dev/notification/notification-with-wantagent.md
index 47275ecabeed338cfb67cff44cb39c325498e0ff..638f53ef2f6f6fce1637468ba4c900496727f23d 100644
--- a/en/application-dev/notification/notification-with-wantagent.md
+++ b/en/application-dev/notification/notification-with-wantagent.md
@@ -4,7 +4,7 @@ A [WantAgent](../reference/apis/js-apis-app-ability-wantAgent.md) object encapsu
 
 Below you can see the process of adding a **WantAgent** object to a notification. The notification publisher requests a **WantAgent** object from the Ability Manager Service (AMS), and then sends a notification carrying the **WantAgent** object to the home screen. When the user touches the notification from the notification panel on the home screen, the **WantAgent** object is triggered.
 
-  **Figure 1** Publishing a notification with a WantAgent object
+**Figure 1** Publishing a notification with a WantAgent object
 
 ![notification-with-wantagent](figures/notification-with-wantagent.png)
 
@@ -15,11 +15,11 @@ For details about the APIs, see [@ohos.app.ability.wantAgent](../reference/apis/
 
 | Name| Description|
 | -------- | -------- |
-|getWantAgent(info: WantAgentInfo, callback: AsyncCallback<WantAgent>): void | Creates a **WantAgent** object.|
-|trigger(agent: WantAgent, triggerInfo: TriggerInfo, callback?: Callback<CompleteData>): void | Triggers a **WantAgent** object.|
-|cancel(agent: WantAgent, callback: AsyncCallback<void>): void | Cancels a **WantAgent** object.|
-|getWant(agent: WantAgent, callback: AsyncCallback<Want>): void | Obtains a **WantAgent** object.|
-|equal(agent: WantAgent, otherAgent: WantAgent, callback: AsyncCallback<boolean>): void | Checks whether two **WantAgent** objects are equal.|
+| getWantAgent(info: WantAgentInfo, callback: AsyncCallback<WantAgent>): void | Creates a **WantAgent** object.|
+| trigger(agent: WantAgent, triggerInfo: TriggerInfo, callback?: Callback<CompleteData>): void | Triggers a **WantAgent** object.|
+| cancel(agent: WantAgent, callback: AsyncCallback<void>): void | Cancels a **WantAgent** object.|
+| getWant(agent: WantAgent, callback: AsyncCallback<Want>): void | Obtains a **WantAgent** object.|
+| equal(agent: WantAgent, otherAgent: WantAgent, callback: AsyncCallback<boolean>): void | Checks whether two **WantAgent** objects are equal.|
 
 
 ## How to Develop
@@ -42,20 +42,20 @@ For details about the APIs, see [@ohos.app.ability.wantAgent](../reference/apis/
    
    // Set the action type through operationType of WantAgentInfo.
    let wantAgentInfo = {
-       wants: [
-           {
-               deviceId: '',
-               bundleName: 'com.example.myapplication',
-               abilityName: 'EntryAbility',
-               action: '',
-               entities: [],
-               uri: '',
-               parameters: {}
-           }
-       ],
-       operationType: wantAgent.OperationType.START_ABILITY,
-       requestCode: 0,
-       wantAgentFlags:[wantAgent.WantAgentFlags.CONSTANT_FLAG]
+     wants: [
+       {
+         deviceId: '',
+         bundleName: 'com.example.myapplication',
+         abilityName: 'EntryAbility',
+         action: '',
+         entities: [],
+         uri: '',
+         parameters: {}
+       }
+     ],
+     operationType: wantAgent.OperationType.START_ABILITY,
+     requestCode: 0,
+     wantAgentFlags:[wantAgent.WantAgentFlags.CONSTANT_FLAG]
    };
    ```
 
@@ -66,16 +66,16 @@ For details about the APIs, see [@ohos.app.ability.wantAgent](../reference/apis/
    
    // Set the action type through operationType of WantAgentInfo.
    let wantAgentInfo = {
-       wants: [
-           {
-               action: 'event_name', // Set the action name.
-               parameters: {},
-           }
-       ],
-       operationType: wantAgent.OperationType.SEND_COMMON_EVENT,
-       requestCode: 0,
-       wantAgentFlags: [wantAgent.WantAgentFlags.CONSTANT_FLAG],
-   }
+     wants: [
+       {
+         action: 'event_name', // Set the action name.
+         parameters: {},
+       }
+     ],
+     operationType: wantAgent.OperationType.SEND_COMMON_EVENT,
+     requestCode: 0,
+     wantAgentFlags: [wantAgent.WantAgentFlags.CONSTANT_FLAG],
+   };
    ```
 
 4. Invoke the [getWantAgent()](../reference/apis/js-apis-app-ability-wantAgent.md#wantagentgetwantagent) API to create a **WantAgent** object.
@@ -83,12 +83,12 @@ For details about the APIs, see [@ohos.app.ability.wantAgent](../reference/apis/
    ```typescript
    // Create a WantAgent object.
    wantAgent.getWantAgent(wantAgentInfo, (err, data) => {
-       if (err) {
-         console.error('[WantAgent]getWantAgent err=' + JSON.stringify(err));
-         return;
-       }
-       console.info('[WantAgent]getWantAgent success');
-       wantAgentObj = data;
+     if (err) {
+       console.error(`Failed to get want agent. Code is ${err.code}, message is ${err.message}`);
+       return;
+     }
+     console.info('Succeeded in geting want agent.');
+     wantAgentObj = data;
    });
    ```
 
@@ -97,25 +97,25 @@ For details about the APIs, see [@ohos.app.ability.wantAgent](../reference/apis/
    ```typescript
    // Create a NotificationRequest object.
    let notificationRequest: notificationManager.NotificationRequest = {
-       content: {
-           contentType: notificationManager.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT,
-           normal: {
-               title: 'Test_Title',
-               text: 'Test_Text',
-               additionalText: 'Test_AdditionalText',
-           },
+     content: {
+       contentType: notificationManager.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT,
+       normal: {
+         title: 'Test_Title',
+         text: 'Test_Text',
+         additionalText: 'Test_AdditionalText',
        },
-       id: 1,
-       label: 'TEST',
-       wantAgent: wantAgentObj,
+     },
+     id: 1,
+     label: 'TEST',
+     wantAgent: wantAgentObj,
    }
    
    notificationManager.publish(notificationRequest, (err) => {
-       if (err) {
-           console.error(`[ANS] publish failed, code is ${err.code}, message is ${err.message}`);
-           return;
-       }
-       console.info(`[ANS] publish success`);
+     if (err) {
+       console.error(`Failed to publish notification. Code is ${err.code}, message is ${err.message}`);
+       return;
+     }
+     console.info('Succeeded in publishing notification.');
    });
    ```
 
diff --git a/en/application-dev/notification/progress-bar-notification.md b/en/application-dev/notification/progress-bar-notification.md
index db7cae812218c2f7b6c363d204baa04dfeeb639f..4f016fefcbb6912fa9a0b998c7b5feb672503eee 100644
--- a/en/application-dev/notification/progress-bar-notification.md
+++ b/en/application-dev/notification/progress-bar-notification.md
@@ -27,13 +27,14 @@ In the [NotificationTemplate](../reference/apis/js-apis-inner-notification-notif
    ```ts
    notificationManager.isSupportTemplate('downloadTemplate').then((data) => {
      console.info(`[ANS] isSupportTemplate success`);
+     console.info('Succeeded in supporting download template notification.');
      let isSupportTpl: boolean = data; // The value true means that the template of the downloadTemplate type is supported, and false means the opposite.
      // ...
    }).catch((err) => {
-     console.error(`[ANS] isSupportTemplate failed, code is ${err.code}, message is ${err.message}`);
+     console.error(`Failed to support download template notification. Code is ${err.code}, message is ${err.message}`);
    });
    ```
-
+   
    > **NOTE**
    >
    > Proceed with the step below only when the specified template is supported.
@@ -61,9 +62,9 @@ In the [NotificationTemplate](../reference/apis/js-apis-inner-notification-notif
    // Publish the notification.
    notificationManager.publish(notificationRequest, (err) => {
      if (err) {
-       console.error(`[ANS] publish failed, code is ${err.code}, message is ${err.message}`);
+       console.error(`Failed to publish notification. Code is ${err.code}, message is ${err.message}`);
        return;
      }
-     console.info(`[ANS] publish success `);
+     console.info('Succeeded in publishing notification.');
    });
    ```
diff --git a/en/application-dev/notification/text-notification.md b/en/application-dev/notification/text-notification.md
index 7901a78a4c547ca02caae191b551d27f6cae3e3a..fb1455e0dcdd791db6658935b48e90a6f14a3a14 100644
--- a/en/application-dev/notification/text-notification.md
+++ b/en/application-dev/notification/text-notification.md
@@ -3,8 +3,7 @@
 
 You can publish basic notifications to send SMS messages, prompt messages, and advertisements. Available content types of basic notifications include normal text, long text, multi-line text, and picture-attached.
 
-
-  **Table 1** Basic notification content types
+**Table 1** Basic notification content types
 
 | Type| Description|
 | -------- | -------- |
@@ -13,16 +12,16 @@ You can publish basic notifications to send SMS messages, prompt messages, and a
 | NOTIFICATION_CONTENT_MULTILINE | Multi-line text notification.|
 | NOTIFICATION_CONTENT_PICTURE | Picture-attached notification.|
 
+Notifications are displayed in the notification panel, which is the only supported subscriber to notifications. Below you can see two examples of the basic notification.
 
-Notifications are displayed in the notification panel, which is the only system subscriber to notifications. Below you can see two examples of the basic notification.
+**Figure 1** Examples of the basic notification
 
-**Figure 1** Examples of the basic notification 
 ![en-us_image_0000001466462305](figures/en-us_image_0000001466462305.png)
 
 
 ## Available APIs
 
-The following table describes the APIs for notification publishing. You specify the notification type by setting the [NotificationRequest](../reference/apis/js-apis-notificationManager.md#notificationrequest) parameter in the APIs.
+The following table describes the APIs for notification publishing. You specify the notification type by setting the [NotificationRequest](../reference/apis/js-apis-inner-notification-notificationRequest.md#notificationrequest) parameter in the APIs.
 
 | Name| Description|
 | -------- | -------- |
@@ -48,21 +47,21 @@ The following table describes the APIs for notification publishing. You specify
       let notificationRequest: notificationManager.NotificationRequest = {
         id: 1,
         content: {
-      	contentType: notificationManager.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT, // Basic notification
-      	normal: {
-      	  title: 'test_title',
-      	  text: 'test_text',
-      	  additionalText: 'test_additionalText',
-      	}
+          contentType: notificationManager.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT, // Basic notification
+          normal: {
+            title: 'test_title',
+            text: 'test_text',
+            additionalText: 'test_additionalText',
+          }
         }
-      }
+      };
       
       notificationManager.publish(notificationRequest, (err) => {
-          if (err) {
-              console.error(`[ANS] publish failed, code is ${err.code}, message is ${err.message}`);
-              return;
-          }
-          console.info(`[ANS] publish success.`);
+        if (err) {
+          console.error(`Failed to publish notification. Code is ${err.code}, message is ${err.message}`);
+          return;
+        }
+        console.info('Succeeded in publishing notification.');
       });
       ```
 
@@ -74,25 +73,25 @@ The following table describes the APIs for notification publishing. You specify
       let notificationRequest: notificationManager.NotificationRequest = {
         id: 1,
         content: {
-      	contentType: notificationManager.ContentType.NOTIFICATION_CONTENT_LONG_TEXT, // Long-text notification
-      	longText: {
-      	  title: 'test_title',
-      	  text: 'test_text',
-      	  additionalText: 'test_additionalText',
-      	  longText: 'test_longText',
-      	  briefText: 'test_briefText',
-      	  expandedTitle: 'test_expandedTitle',
-      	}
+          contentType: notificationManager.ContentType.NOTIFICATION_CONTENT_LONG_TEXT, // Long-text notification
+          longText: {
+            title: 'test_title',
+            text: 'test_text',
+            additionalText: 'test_additionalText',
+            longText: 'test_longText',
+            briefText: 'test_briefText',
+            expandedTitle: 'test_expandedTitle',
+          }
         }
-      }
+      };
       
       // Publish the notification.
       notificationManager.publish(notificationRequest, (err) => {
-          if (err) {
-              console.error(`[ANS] publish failed, code is ${err.code}, message is ${err.message}`);
-              return;
-          }
-          console.info(`[ANS] publish success.`);
+        if (err) {
+          console.error(`Failed to publish notification. Code is ${err.code}, message is ${err.message}`);
+          return;
+        }
+        console.info('Succeeded in publishing notification.');
       });
       ```
    
@@ -104,24 +103,24 @@ The following table describes the APIs for notification publishing. You specify
       let notificationRequest: notificationManager.NotificationRequest = {
         id: 1,
         content: {
-      	contentType: notificationManager.ContentType.NOTIFICATION_CONTENT_MULTILINE, // Multi-line text notification
-      	multiLine: {
-      	  title: 'test_title',
-      	  text: 'test_text',
-      	  briefText: 'test_briefText',
-      	  longTitle: 'test_longTitle',
-      	  lines: ['line_01', 'line_02', 'line_03', 'line_04'],
-      	}
+          contentType: notificationManager.ContentType.NOTIFICATION_CONTENT_MULTILINE, // Multi-line text notification
+          multiLine: {
+            title: 'test_title',
+            text: 'test_text',
+            briefText: 'test_briefText',
+            longTitle: 'test_longTitle',
+            lines: ['line_01', 'line_02', 'line_03', 'line_04'],
+          }
         }
-      }
+      };
       
       // Publish the notification.
       notificationManager.publish(notificationRequest, (err) => {
         if (err) {
-      	console.error(`[ANS] publish failed, code is ${err.code}, message is ${err.message}`);
-      	return;
+          console.error(`Failed to publish notification. Code is ${err.code}, message is ${err.message}`);
+          return;
         }
-        console.info(`[ANS] publish success`);
+        console.info('Succeeded in publishing notification.');
       });
       ```
    
@@ -132,27 +131,27 @@ The following table describes the APIs for notification publishing. You specify
       ```ts
       let imagePixelMap: PixelMap = undefined; // Obtain the PixelMap information.
       let notificationRequest: notificationManager.NotificationRequest = {
-          id: 1,
-          content: {
-      	contentType: notificationManager.ContentType.NOTIFICATION_CONTENT_PICTURE,
-              picture: {
-                title: 'test_title',
-                text: 'test_text',
-                additionalText: 'test_additionalText',
-                briefText: 'test_briefText',
-                expandedTitle: 'test_expandedTitle',
-                picture: imagePixelMap
-              }
+        id: 1,
+        content: {
+          contentType: notificationManager.ContentType.NOTIFICATION_CONTENT_PICTURE,
+          picture: {
+            title: 'test_title',
+            text: 'test_text',
+            additionalText: 'test_additionalText',
+            briefText: 'test_briefText',
+            expandedTitle: 'test_expandedTitle',
+            picture: imagePixelMap
           }
-      }
+        }
+      };
       
       // Publish the notification.
       notificationManager.publish(notificationRequest, (err) => {
-          if (err) {
-      	console.error(`[ANS] publish failed, code is ${err.code}, message is ${err.message}`);
-      	return;
-          }
-          console.info(`[ANS] publish success.`);
+        if (err) {
+          console.error(`Failed to publish notification. Code is ${err.code}, message is ${err.message}`);
+          return;
+        }
+        console.info('Succeeded in publishing notification.');
       });
       ```