diff --git a/en/application-dev/reference/apis/js-apis-router.md b/en/application-dev/reference/apis/js-apis-router.md
index 3db58b1c88bc84c8201a377df426e215f5837e77..d258ac2b76fa3babf53469ee2518291919feb1dc 100644
--- a/en/application-dev/reference/apis/js-apis-router.md
+++ b/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