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 566e72f4ac2220475a6953e9b191580aa0c111ac..494d326a3bc512c27531570b5d8ce02ab716ded5 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
@@ -39,7 +39,7 @@ CustomDialogController(value:{builder: CustomDialog, cancel?: () => void, aut
 
 ## CustomDialogController
 
-导入对象
+### 导入对象
 
 ```
 dialogController : CustomDialogController = new CustomDialogController(value:{builder: CustomDialog, cancel?: () => void, autoCancel?: boolean})