From cae84be4a261e2e49d3881007f25e1a73894ed24 Mon Sep 17 00:00:00 2001
From: zengyawen <zengyawen1@huawei.com>
Date: Thu, 9 Feb 2023 12:21:19 +0000
Subject: [PATCH] update
 zh-cn/application-dev/reference/apis/js-apis-file-hash.md.

Signed-off-by: zengyawen <zengyawen1@huawei.com>
---
 zh-cn/application-dev/reference/apis/js-apis-file-hash.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/zh-cn/application-dev/reference/apis/js-apis-file-hash.md b/zh-cn/application-dev/reference/apis/js-apis-file-hash.md
index a38e3189c5..911dac45c0 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-file-hash.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-file-hash.md
@@ -92,6 +92,7 @@ hash(path: string, algorithm: string, callback: AsyncCallback&lt;string&gt;): vo
 
 **示例：**
   ```js
+  let filePath = pathDir + "/test.txt";
   Hash.hash(filePath, "sha256", (err, str) => {
     if (err) {
       console.info("calculate file hash failed with error message: " + err.message + ", error code: " + err.code);
-- 
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