update zh-cn/application-dev/reference/apis/js-apis-screen.md.

Signed-off-by: N 葛亚芳 <geyafang@huawei.com>

update zh-cn/application-dev/reference/apis/js-apis-screen.md.
Signed-off-by: N 葛亚芳 <geyafang@huawei.com>
c1afc41a · 葛亚芳 · Gitee · 82e3b38a · c1afc41a
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zh-cn/application-dev/reference/apis/js-apis-screen.md zh-cn/application-dev/reference/apis/js-apis-screen.md +1 -1

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--- a/zh-cn/application-dev/reference/apis/js-apis-screen.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-screen.md
@@ -112,7 +112,7 @@ off(eventType: 'connect' | 'disconnect' | 'change', callback?: Callback&lt;numbe

 ```js
 var callback = (data) => {
-    console.info('Unegister the callback for screen changes. Data: ' + JSON.stringify(data))
+    console.info('Unregister the callback for screen changes. Data: ' + JSON.stringify(data))
 };
 screen.off("connect", callback);
 ```