diff --git a/zh-cn/application-dev/reference/arkui-ts/figures/zh-cn_image_0000001219744203.gif b/zh-cn/application-dev/reference/arkui-ts/figures/zh-cn_image_0000001219744203.gif
index e7d48ab2c51ec839cf0339f39e9235e4132d2e53..0b59ac57d889b57ea36faa1fab0224f60c670c0e 100644
Binary files a/zh-cn/application-dev/reference/arkui-ts/figures/zh-cn_image_0000001219744203.gif and b/zh-cn/application-dev/reference/arkui-ts/figures/zh-cn_image_0000001219744203.gif differ
diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-methods-custom-dialog-box.md b/zh-cn/application-dev/reference/arkui-ts/ts-methods-custom-dialog-box.md
index 5a38fb6ad4683d988e072d2fc3333786207ed4c0..8a74bae2c68ee5c072129d05102f782844648a9d 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-methods-custom-dialog-box.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-methods-custom-dialog-box.md
@@ -102,7 +102,7 @@ struct CustomDialogUser {
     }),
     cancel: this.existApp,
     autoCancel: true,
-    alignment: DialogAlignment.Default,
+    alignment: DialogAlignment.Bottom,
     offset: { dx: 0, dy: -20 },
     gridCount: 4,
     customStyle: false