!8469 翻译完成：8218 master更新到release

Merge pull request !8469 from wusongqing/TR8218

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

@@ -115,7 +115,7 @@ Returns to the previous page or a specified page.
 **Parameters**
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| options | [RouterOptions](#routeroptions) | Yes| Description of the page. The **url** parameter indicates the URL of the page to return to. If the specified page does not exist in the page stack, the application does not respond. If this parameter is not set, the application returns to the previous page.|
+| options | [RouterOptions](#routeroptions) | Yes| Description of the page. The **url** parameter indicates the URL of the page to return to. If the specified page does not exist in the page stack, the application does not respond. If no URL is set, the previous page is returned, and the page in the page stack is not reclaimed. It will be reclaimed after being popped up.|
 
 **Example**
   ```js