diff --git a/en/application-dev/reference/apis/js-apis-distributed-account.md b/en/application-dev/reference/apis/js-apis-distributed-account.md
index 73f6216d255c4629399dfbf9510ab59b176f0273..8612aad1008deb0883598892c8fdbc6e54cec571 100644
--- a/en/application-dev/reference/apis/js-apis-distributed-account.md
+++ b/en/application-dev/reference/apis/js-apis-distributed-account.md
@@ -1,6 +1,6 @@
 # Distributed Account Management
 
-> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**<br/>
+> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**<br>
 > The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version.
 
 
@@ -40,7 +40,7 @@ Provides methods for querying and updating the login state of a distributed acco
 
 queryOsAccountDistributedInfo(callback: AsyncCallback&lt;DistributedInfo&gt;): void
 
-Obtains distributed account information. This method uses an asynchronous callback to return the result.
+Obtains distributed account information. This API uses an asynchronous callback to return the result.
 
 **Required permissions**: ohos.permission.MANAGE_LOCAL_ACCOUNTS or ohos.permission.DISTRIBUTED_DATASYNC (available only to system applications)
 
@@ -63,7 +63,7 @@ Obtains distributed account information. This method uses an asynchronous callba
 
 queryOsAccountDistributedInfo(): Promise&lt;DistributedInfo&gt;
 
-Obtains distributed account information. This method uses a promise to return the result asynchronously.
+Obtains distributed account information. This API uses a promise to return the result asynchronously.
 
 **Required permissions**: ohos.permission.MANAGE_LOCAL_ACCOUNTS or ohos.permission.DISTRIBUTED_DATASYNC (available only to system applications)
 
@@ -87,7 +87,7 @@ Obtains distributed account information. This method uses a promise to return th
 
 updateOsAccountDistributedInfo(accountInfo: DistributedInfo, callback: AsyncCallback&lt;void&gt;): void
 
-Updates distributed account information. This method uses an asynchronous callback to return the result.
+Updates distributed account information. This API uses an asynchronous callback to return the result.
 
 **Required permissions**: ohos.permission.MANAGE_LOCAL_ACCOUNTS (available only to system applications)
 
@@ -110,7 +110,7 @@ Updates distributed account information. This method uses an asynchronous callba
 
 updateOsAccountDistributedInfo(accountInfo: DistributedInfo): Promise&lt;void&gt;
 
-Updates distributed account information. This method uses a promise to return the result asynchronously.
+Updates distributed account information. This API uses a promise to return the result asynchronously.
 
 **Required permissions**: ohos.permission.MANAGE_LOCAL_ACCOUNTS (available only to system applications)
 
@@ -141,9 +141,9 @@ Updates distributed account information. This method uses a promise to return th
 Defines distributed OS account information.
 
 
-| Name| Type| Mandatory| Description|
+| Name | Type | Mandatory | Description |
 | -------- | -------- | -------- | -------- |
-| name | string | Yes| Name of a distributed account. It must be a non-null string.|
-| id | string | Yes| UID of a distributed account. It must be a non-null string.|
-| event | string | Yes| Login state of a distributed account. The state can be login, logout, token invalid, or logoff, which correspond to the following strings respectively:<br>-&nbsp;Ohos.account.event.LOGIN<br>-&nbsp;Ohos.account.event.LOGOUT<br>-&nbsp;Ohos.account.event.TOKEN_INVALID<br>-&nbsp;Ohos.account.event.LOGOFF |
-| scalableData | object | No| Extended information about a distributed account. Customized information is passed in key-value pairs.<br>Note: This parameter is reserved and not used in query and update methods.|
+| name | string | Yes| Name of a distributed account. It must be a non-null string. |
+| id | string | Yes | UID of a distributed account. It must be a non-null string. |
+| event | string | Yes | Login state of a distributed account. The state can be login, logout, token invalid, or logoff, which correspond to the following strings respectively:<br>-&nbsp;Ohos.account.event.LOGIN<br>-&nbsp;Ohos.account.event.LOGOUT<br>-&nbsp;Ohos.account.event.TOKEN_INVALID<br>-&nbsp;Ohos.account.event.LOGOFF |
+| scalableData | object | No| Extended information about a distributed account. Customized information is passed in key-value pairs.<br>Note: This parameter is reserved and not used in query and update methods.|
\ No newline at end of file
diff --git a/en/application-dev/reference/apis/js-apis-document.md b/en/application-dev/reference/apis/js-apis-document.md
index 0f2de0b217af39ab8b7506db1c92cee141c3bde3..72a821e56aadea8f326df19c40583c4398465d46 100644
--- a/en/application-dev/reference/apis/js-apis-document.md
+++ b/en/application-dev/reference/apis/js-apis-document.md
@@ -1,8 +1,8 @@
 # File Interaction
 
-> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**<br/>
-- The initial APIs of this module are supported since API version 6. Newly added APIs will be marked with a superscript to indicate their earliest API version.
-- The APIs of this module will be deprecated and are not recommended for use. An exception will be thrown if any of the APIs is called.
+> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**<br>
+> - The initial APIs of this module are supported since API version 6. Newly added APIs will be marked with a superscript to indicate their earliest API version.
+> - The APIs of this module will be deprecated and are not recommended for use. An exception will be thrown if any of the APIs is called.
 ## Modules to Import
 
 ```js
@@ -13,21 +13,21 @@ import document from '@ohos.document';
 
 choose(type:string[]): Promise&lt;string&gt;
 
-Chooses a file of the specified type using the file manager. This method uses a promise to return the result.
+Chooses a file of the specified type using the file manager. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.FileManagement.File.FileIO
 
 - Parameters
 
-  | Name| Type  | Mandatory| Description                        |
+  | Name| Type | Mandatory | Description                        |
   | ------ | ------ | ---- | ---------------------------- |
-  | type   | string[] | No  | Type of the file to choose.|
+  | type   | string[] | No | Type of the file to choose. |
 
 - Return value
 
-  | Type                 | Description          |
+  | Type | Description |
   | --------------------- | -------------- |
-  | Promise&lt;string&gt; | Promise used to return the result. An error code is returned.|
+  | Promise&lt;string&gt; | Promise used to return the result. An error code is returned. |
 
 - Example
 
@@ -38,15 +38,15 @@ Chooses a file of the specified type using the file manager. This method uses a
 
 choose(callback:AsyncCallback&lt;string&gt;): void
 
-Chooses a file using the file manager. This method uses an asynchronous callback to return the result.
+Chooses a file using the file manager. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.FileManagement.File.FileIO
 
 - Parameters
 
-  | Name  | Type                       | Mandatory| Description                        |
+  | Name  | Type | Mandatory | Description |
   | -------- | --------------------------- | ---- | ---------------------------- |
-  | callback | AsyncCallback&lt;string&gt; | Yes  | Callback used to return the result. An error code is returned.|
+  | callback | AsyncCallback&lt;string&gt; | Yes  | Callback used to return the result. An error code is returned. |
 
 - Example
 
@@ -59,16 +59,16 @@ Chooses a file using the file manager. This method uses an asynchronous callback
 
 choose(type:string[], callback:AsyncCallback&lt;string&gt;): void
 
-Chooses a file of the specified type using the file manager. This method uses an asynchronous callback to return the result.
+Chooses a file of the specified type using the file manager. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.FileManagement.File.FileIO
 
 - Parameters
 
-  | Name  | Type                       | Mandatory| Description                        |
+  | Name  | Type | Mandatory | Description |
   | -------- | --------------------------- | ---- | ---------------------------- |
-  | type     | string[]                      | No  | Type of the file to choose.|
-  | callback | AsyncCallback&lt;string&gt; | Yes  | Callback used to return the result. An error code is returned.|
+  | type     | string[]                      | No | Type of the file to choose. |
+  | callback | AsyncCallback&lt;string&gt; | Yes | Callback used to return the result. An error code is returned. |
 
 - Example
 
@@ -82,22 +82,22 @@ Chooses a file of the specified type using the file manager. This method uses an
 
 show(url:string, type:string):Promise&lt;number&gt;
 
-Opens a file. This method uses a promise to return the result.
+Opens a file. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.FileManagement.File.FileIO
 
 - Parameters
 
-  | Name| Type  | Mandatory| Description                        |
+  | Name | Type | Mandatory | Description |
   | ---- | ------ | ---- | ---------------------------- |
-  | uri | string | Yes  | URI of the file to open.|
-  | type | string | Yes  | Type of the file to open.|
+  | uri | string | Yes | URI of the file to open. |
+  | type | string | Yes | Type of the file to open. |
 
 - Return value
 
-  | Type                 | Description        |
+  | Type | Description |
   | --------------------- | ------------ |
-  | Promise&lt;void&gt; | Promise used to return the result. An error code is returned.|
+  | Promise&lt;void&gt; | Promise used to return the result. An error code is returned. |
 
 - Example
 
@@ -109,17 +109,17 @@ Opens a file. This method uses a promise to return the result.
 
 show(url:string, type:string, callback:AsyncCallback&lt;void&gt;): void
 
-Opens a file. This method uses an asynchronous callback to return the result.
+Opens a file. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.FileManagement.File.FileIO
 
 - Parameters
 
-  | Name  | Type                       | Mandatory| Description                        |
+  | Name  | Type | Mandatory | Description |
   | -------- | --------------------------- | ---- | ---------------------------- |
-  | uri | string | Yes  | URI of the file to open.|
-  | type | string | Yes  | Type of the file to open.|
-  | callback | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result. An error code is returned.  |
+  | uri | string | Yes | URI of the file to open. |
+  | type | string | Yes | Type of the file to open. |
+  | callback | AsyncCallback&lt;void&gt; | Yes | Callback used to return the result. An error code is returned. |
 
 - Example
 
@@ -127,4 +127,4 @@ Opens a file. This method uses an asynchronous callback to return the result.
   await document.show(uri, type, function(err) {
         //do something
   });
-  ```
+  ```
\ No newline at end of file
diff --git a/en/application-dev/reference/apis/js-apis-emitter.md b/en/application-dev/reference/apis/js-apis-emitter.md
index 8e08290aaefa6b8f52eec4f21f4671b1099d92fc..3d2b457c610cd2cff351ca48d3e1e5527e6a8a06 100644
--- a/en/application-dev/reference/apis/js-apis-emitter.md
+++ b/en/application-dev/reference/apis/js-apis-emitter.md
@@ -1,6 +1,7 @@
 # Emitter
 
-> Note: The initial APIs of this module are supported since API version 7.
+> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**<br>
+> The initial APIs of this module are supported since API version 7.
 
 ## Modules to Import
 
@@ -18,10 +19,10 @@ Enumerates the event emit priority levels.
 
 | Name     | Value  | Description                                             |
 | --------- | ---- | ------------------------------------------------- |
-| IMMEDIATE | 0    | The event will be emitted immediately.<br>**System capability**: SystemCapability.Notification.Emitter                               |
-| HIGH      | 1    | The event will be emitted before low-priority events.<br>**System capability**: SystemCapability.Notification.Emitter                        |
-| LOW       | 2    | The event will be emitted before idle-priority events. By default, an event is in LOW priority.<br>**System capability**: SystemCapability.Notification.Emitter|
-| IDLE      | 3    | The event will be emitted after all the other events.<br>**System capability**: SystemCapability.Notification.Emitter         |
+| IMMEDIATE | 0    | The event will be emitted immediately.<br>**System capability**: SystemCapability.Notification.Emitter |
+| HIGH      | 1    | The event will be emitted before low-priority events.<br>**System capability**: SystemCapability.Notification.Emitter |
+| LOW       | 2    | The event will be emitted before idle-priority events. By default, an event is in LOW priority.<br>**System capability**: SystemCapability.Notification.Emitter |
+| IDLE      | 3    | The event will be emitted after all the other events.<br>**System capability**: SystemCapability.Notification.Emitter |
 
 ## emitter.on
 
@@ -33,10 +34,10 @@ Subscribes to an event in persistent manner. This API uses a callback to return
 
 **Parameters**
 
-| Name  | Type                               | Mandatory| Description                    |
+| Name  | Type                               | Mandatory | Description                    |
 | -------- | ----------------------------------- | ---- | ------------------------ |
-| event    | [InnerEvent](#innerevent)           | Yes  | Event to subscribe to in persistent manner.          |
-| callback | Callback\<[EventData](#eventdata)\> | Yes  | Callback used to return the event.|
+| event    | [InnerEvent](#innerevent)           | Yes  | Event to subscribe to in persistent manner. |
+| callback | Callback\<[EventData](#eventdata)\> | Yes  | Callback used to return the event. |
 
 **Example**
 
@@ -60,10 +61,10 @@ Subscribes to an event in one-shot manner and unsubscribes from it after the eve
 
 **Parameters**
 
-| Name  | Type                               | Mandatory| Description                    |
+| Name  | Type                               | Mandatory | Description                    |
 | -------- | ----------------------------------- | ---- | ------------------------ |
-| event    | [InnerEvent](#innerevent)           | Yes  | Event to subscribe to in one-shot manner.          |
-| callback | Callback\<[EventData](#eventdata)\> | Yes  | Callback used to return the event.|
+| event    | [InnerEvent](#innerevent)           | Yes  | Event to subscribe to in one-shot manner. |
+| callback | Callback\<[EventData](#eventdata)\> | Yes  | Callback used to return the event. |
 
 **Example**
 
@@ -87,9 +88,9 @@ Unsubscribes from an event.
 
 **Parameters**
 
-| Name | Type  | Mandatory| Description  |
+| Name | Type  | Mandatory | Description |
 | ------- | ------ | ---- | ------ |
-| eventId | number | Yes  | Event ID.|
+| eventId | number | Yes | Event ID. |
 
 **Example**
 
@@ -107,10 +108,10 @@ Emits an event to the event queue.
 
 **Parameters**
 
-| Name| Type                     | Mandatory| Description          |
+| Name| Type                     | Mandatory| Description |
 | ------ | ------------------------- | ---- | -------------- |
-| event  | [InnerEvent](#innerevent) | Yes  | Event to emit.    |
-| data   | [EventData](#eventdata)   | No  | Data carried by the event.|
+| event  | [InnerEvent](#innerevent) | Yes | Event to emit. |
+| data   | [EventData](#eventdata)   | No | Data carried by the event. |
 
 **Example**
 
@@ -133,8 +134,8 @@ Describes an intra-process event.
 
 | Name    | Type                       | Readable| Writable| Description                              |
 | -------- | ------------------------------- | ---- | ---- | ---------------------------------- |
-| eventId  | number                          | Yes  | Yes  | Event ID, which is used to identify an event.<br>**System capability**: SystemCapability.Notification.Emitter|
-| priority | [EventPriority](#eventpriority) | Yes  | Yes  | Emit priority of the event.<br>**System capability**: SystemCapability.Notification.Emitter                |
+| eventId  | number                          | Yes  | Yes | Event ID, which is used to identify an event.<br>**System capability**: SystemCapability.Notification.Emitter |
+| priority | [EventPriority](#eventpriority) | Yes  | Yes | Emit priority of the event.<br>**System capability**: SystemCapability.Notification.Emitter |
 
 ## EventData
 
@@ -142,4 +143,4 @@ Describes the data passed in the event.
 
 | Name| Type          | Readable| Writable| Description          |
 | ---- | ------------------ | ---- | ---- | -------------- |
-| data | [key: string]: any | Yes  | Yes  | Data carried by the event. The data type can be String, Integer, or Boolean.<br>**System capability**: SystemCapability.Notification.Emitter|
+| data | [key: string]: any | Yes | Yes | Data carried by the event. The data type can be String, Integer, or Boolean.<br>**System capability**: SystemCapability.Notification.Emitter |
diff --git a/en/application-dev/reference/apis/js-apis-eventhub.md b/en/application-dev/reference/apis/js-apis-eventhub.md
index 1ee467b32f47d6f277783d6c02e6f842939d8ae8..02e6f143f1527062aff5bf6d21b34889127239e8 100644
--- a/en/application-dev/reference/apis/js-apis-eventhub.md
+++ b/en/application-dev/reference/apis/js-apis-eventhub.md
@@ -1,6 +1,6 @@
 # EventHub
 
-> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**
+> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**<br>
 > The initial APIs of this module are supported since API 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.
 
 
@@ -34,10 +34,10 @@ Subscribes to an event.
 
 **Parameters**
 
-  | Name| Type| Mandatory| Description| 
+  | Name| Type| Mandatory| Description | 
   | -------- | -------- | -------- | -------- |
-  | event | string | Yes| Event name.| 
-  | callback | Function | Yes| Callback invoked when the event is triggered.| 
+  | event | string | Yes| Event name. | 
+  | callback | Function | Yes| Callback invoked when the event is triggered. | 
 
 **Example**
     
@@ -74,8 +74,8 @@ Unsubscribes from an event. If **callback** is specified, this API unsubscribes
 
   | Name| Type| Mandatory| Description| 
   | -------- | -------- | -------- | -------- |
-  | event | string | Yes| Event name.| 
-  | callback | Function | No| Callback for the event. If **callback** is unspecified, all callbacks of the event are unsubscribed.| 
+  | event | string | Yes| Event name. | 
+  | callback | Function | No | Callback for the event. If **callback** is unspecified, all callbacks of the event are unsubscribed. | 
 
 **Example**
     
@@ -112,8 +112,8 @@ Triggers an event.
 
   | Name| Type| Mandatory| Description| 
   | -------- | -------- | -------- | -------- |
-  | event | string | Yes| Event name.| 
-  | ...args | Object[] | Yes| Variable parameters, which are passed to the callback when the event is triggered.| 
+  | event | string | Yes| Event name. | 
+  | ...args | Object[] | Yes| Variable parameters, which are passed to the callback when the event is triggered. | 
 
 **Example**