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

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

update zh-cn/application-dev/reference/apis/js-apis-data-preferences.md.
Signed-off-by: N 葛亚芳 <geyafang@huawei.com>
e3899039 · 葛亚芳 · Gitee · c74c4d69 · e3899039
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zh-cn/application-dev/reference/apis/js-apis-data-preferences.md ...pplication-dev/reference/apis/js-apis-data-preferences.md +1 -1

未找到文件。
--- a/zh-cn/application-dev/reference/apis/js-apis-data-preferences.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-data-preferences.md
@@ -475,7 +475,7 @@ get(key: string, defValue: ValueType, callback: AsyncCallback&lt;ValueType&gt;):

 ```js
 try {
-    data_preferences.get('startup', 'default', function (err, val) {
+    preferences.get('startup', 'default', function (err, val) {
        if (err) {
            console.info("Failed to get value of 'startup'. code =" + err.code + ", message =" + err.message);
            return;