update zh-cn/application-dev/reference/arkui-ts/ts-universal-events-key.md.

Signed-off-by: N LiAn <lian15@huawei.com>

update zh-cn/application-dev/reference/arkui-ts/ts-universal-events-key.md.
Signed-off-by: N LiAn <lian15@huawei.com>
ecae6a64 · LiAn · Gitee · ce65068a · ecae6a64
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zh-cn/application-dev/reference/arkui-ts/ts-universal-events-key.md ...ication-dev/reference/arkui-ts/ts-universal-events-key.md +1 -1

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--- a/zh-cn/application-dev/reference/arkui-ts/ts-universal-events-key.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-universal-events-key.md
@@ -16,7 +16,7 @@
 | onKeyEvent(event:&nbsp;(event?:&nbsp;KeyEvent)&nbsp;=&gt;&nbsp;void) | 是 | 按键动作触发该方法调用，event参数见[KeyEvent](#keyevent对象说明)介绍。 | 
-## KeyEvent对象说明
+### KeyEvent对象说明
 - 属性
  | 属性名称 | 类型 | 描述 |