From 270cfb17e0b764d5ee3aa49185c3ea08d23b30d8 Mon Sep 17 00:00:00 2001
From: duangavin123 <duanxichao@huawei.com>
Date: Wed, 12 Jan 2022 06:49:19 +0000
Subject: [PATCH] update zh-cn/application-dev/reference/apis/js-apis-util.md.
 Signed-off-by: duangavin123 <duanxichao@huawei.com>

---
 zh-cn/application-dev/reference/apis/js-apis-util.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zh-cn/application-dev/reference/apis/js-apis-util.md b/zh-cn/application-dev/reference/apis/js-apis-util.md
index e1c76e32213..f45fc2cacb2 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-util.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-util.md
@@ -116,7 +116,7 @@ promiseWrapper(original: (err: Object, value: Object) =&gt; void): Object
 - 示例：
   ```
   function aysnFun(str1, str2, callback) {
-      if (typeof str1 === 'string' && typeof str1 === 'string') {
+      if (typeof str1 === 'string' && typeof str2 === 'string') {
           callback(null, str1 + str2);
       } else {
           callback('type err');
-- 
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