update docs

Signed-off-by: Nannie_wangli <annie.wangli@huawei.com>

en/application-dev/reference/apis/js-apis-osAccount.md

@@ -29,6 +29,7 @@ Obtains an **AccountManager** instance.
   ```
 
 ## OsAccountType
+
 Enumerates OS account types.
 
 **System capability**: SystemCapability.Account.OsAccount
@@ -51,6 +52,8 @@ Activates an OS account. This method uses an asynchronous callback to return the
 
 This is a system API and cannot be called by third-party applications.
 
+**Required permissions**: ohos.permission.INTERACT_ACROSS_LOCAL_ACCOUNTS_EXTENSION
+
 **System capability**: SystemCapability.Account.OsAccount
 
 **Parameters**
@@ -488,7 +491,7 @@ This is a system API and cannot be called by third-party applications.
 
 setOsAccountConstraints(localId: number, constraints: Array<string>, enable: boolean,callback: AsyncCallback<void>): void
 
-Sets or removes constraints for an OS account.
+Sets or removes constraints for an OS account. This method uses an asynchronous callback to return the result.
 
 This is a system API and cannot be called by third-party applications.
 
@@ -519,7 +522,7 @@ This is a system API and cannot be called by third-party applications.
 
 setOsAccountConstraints(localId: number, constraints: Array<string>, enable: boolean): Promise<void>
 
-Sets or removes constraints for an OS account.
+Sets or removes constraints for an OS account. This method uses a promise to return the result.
 
 This is a system API and cannot be called by third-party applications.
 
@@ -1737,12 +1740,13 @@ This is a system API and cannot be called by third-party applications.
   ```
 
 ## OsAccountInfo
+
 Defines information about an OS account.
 
 **System capability**: SystemCapability.Account.OsAccount
 
 | Name                        | Type                                                        | Mandatory| Description                             |
-| ----------------- | ------------------------------------------------------------ | ---- | --------------------------------- |
+| ------------------------------ | ------------------------------------------------------------ | ---- | --------------------------------- |
 | localId                        | number                                                       | Yes  | ID of the target OS account.                     |
 | localName                      | string                                                       | Yes  | OS account name.                   |
 | type                           | [OsAccountType](#osaccounttype)                              | Yes  | OS account type.                     |
@@ -1758,6 +1762,7 @@ Defines information about an OS account.
 | domainInfo<sup>8+</sup>        | [DomainAccountInfo](#domainaccountinfo)                      | No  | Domain account information.                       |
 
 ## DomainAccountInfo<sup>8+</sup>
+
 Domain account information.
 
 **System capability**: SystemCapability.Account.OsAccount
@@ -1801,8 +1806,8 @@ Domain account information.
 | constraint.control.apps | A user is not allowed to modify apps in **Settings** or the boot module.|
 | constraint.physical.media | A user is not allowed to mount external physical media.|
 | constraint.microphone | A user is not allowed to use microphones.|
-| constraint.microphone.unmute | A user is not allowed to adjust the microphone volume.|
-| constraint.volume.adjust | A user is not allowed to adjust the device's global volume.|
+| constraint.microphone.unmute | A user is not allowed to unmute the microphone.|
+| constraint.volume.adjust | A user is not allowed to adjust the volume.|
 | constraint.calls.outgoing | A user is not allowed to make outgoing calls.|
 | constraint.sms.use | A user is not allowed to send or receive SMS messages.|
 | constraint.fun | A user is not allowed to have entertainment.|
@@ -1820,7 +1825,7 @@ Domain account information.
 | constraint.os.account.set.icon | A user is not allowed to change their icon.|
 | constraint.wallpaper.set | A user is not allowed to set a wallpaper.|
 | constraint.oem.unlock | A user is not allowed to enable OEM unlock.|
-| constraint.device.unmute | A user is not allowed to mute the device's global volume.|
+| constraint.device.unmute | A user is not allowed to unmute the device.|
 | constraint.password.unified | The managed profile is not allowed to have unified lock screen challenge with the primary user.|
 | constraint.autofill | A user is not allowed to use the autofill service.|
 | constraint.content.capture | Capturing the content of a user's screen is prohibited.|