diff --git a/api/@ohos.web.webview.d.ts b/api/@ohos.web.webview.d.ts
index df177008c9050c1040b921e2a4fb21c1c470545c..6f50947734b8b3291a74f6ab03e06ea844b4e8a0 100644
--- a/api/@ohos.web.webview.d.ts
+++ b/api/@ohos.web.webview.d.ts
@@ -6574,10 +6574,12 @@ declare namespace webview {
      * Sets the bottom avoidance height of the web visible viewport.
      * When setting non-zero height, the position and size of the web component remain unchanged,
      * <br>and the visible viewport upward avoids avoidHeight, as manifested by the web page content raising avoidHeight.
-     * <br>In this case, the keyboardAvoidMode will be OVERLAYS_CONTENT when clicking the input box in the web page.
+     * <br>This interface is generally used for customizing the bottom avoidance area, and it is not recommended for
+     * <br>simultaneous use with clicking the editable area of the web page showing the keyboard.
+     * <br>In this case, the keyboardAvoidMode will be OVERLAYS_CONTENT.
      * When setting zero, web page content can be restored and the keyboardAvoidMode will be the value set by keyboardAvoidMode().
      *
-     * @param { number } avoidHeight - the height value of the visible viewport avoidance. Unit: px.
+     * @param { number } avoidHeight - the height value of the visible viewport avoidance. Unit: vp.
      * <br>The valid interval of avoidHeight is [0, the height of web component].
      * <br>When avoidHeight is out of the valid interval, it takes the boundary value of the interval.
      * @throws { BusinessError } 17100001 - Init error.