diff --git a/zh-cn/release-notes/changelogs/OpenHarmony_3.2.9.1/changelogs-arkui.md b/zh-cn/release-notes/changelogs/OpenHarmony_3.2.9.1/changelogs-arkui.md
index 4194e320b1aeb7e8502907c7fcb706aee9e60d99..03fb7e2d7bc8bbb20d9294731f78805b245fd1d6 100644
--- a/zh-cn/release-notes/changelogs/OpenHarmony_3.2.9.1/changelogs-arkui.md
+++ b/zh-cn/release-notes/changelogs/OpenHarmony_3.2.9.1/changelogs-arkui.md
@@ -47,4 +47,22 @@ arkui子系统xcomponent组件接口存在变更：
     - OpenHarmony 3.2-Beta4 版本新规则：
       - 指定返回值类型为Object
       - 开发者需要按照Object类型处理返回值
-        
\ No newline at end of file
+        
+## cl.arkui.2 弹窗类组件接口样式变更
+
+ArkUI子系统alertDialog, actionSheet, customDialog组件及prompt, promptAction接口存在样式变更：
+
+ - promptAction.showDialog, promptAction.showActionMenu, alertDialog, actionSheet, customDialog更新弹窗底板模糊效果
+
+**变更影响**
+
+默认弹窗底板模糊效果
+
+**关键的接口/组件变更**
+
+涉及接口: promptAction.showDialog, promptAction.showActionMenu;
+涉及组件: alertDialog, actionSheet, customDialog
+
+**适配指导**
+
+无需适配
\ No newline at end of file