From c3681c65167b8f2767e809c9d384d32a5ecf295b Mon Sep 17 00:00:00 2001
From: zengyawen <zengyawen1@huawei.com>
Date: Wed, 8 Jun 2022 08:28:31 +0000
Subject: [PATCH] update
 zh-cn/application-dev/reference/apis/js-apis-plainarray.md. Signed-off-by:
 zengyawen <zengyawen1@huawei.com>

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

diff --git a/zh-cn/application-dev/reference/apis/js-apis-plainarray.md b/zh-cn/application-dev/reference/apis/js-apis-plainarray.md
index 2a96f5917a..b6a81a607c 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-plainarray.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-plainarray.md
@@ -153,7 +153,7 @@ getIndexOfKey(key: number): number
 let plainArray = new PlainArray();
 plainArray.add(1, "sddfhf");
 plainArray.add(2, "sffdfhf");
-let result = plainArray.getIndexOfKey("sdfs");
+let result = plainArray.getIndexOfKey(2);
 ```
 
 
-- 
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