update en/device-dev/faqs/faqs-system-applications.md.

Signed-off-by: NAustin <liaozhiqi7@huawei.com>

en/device-dev/faqs/faqs-system-applications.md

@@ -17,7 +17,7 @@ The compiled executable program is run directly without being converted to an ap
 Call the  **UtilsSetEnv**  function of the KV store to set the data storage path.
 
 ```
-UtilsSetEnv("/storage/com.huawei.kv");
+UtilsSetEnv("/storage/com.example.kv");
 ```
 
 ## Visual Applications<a name="section787718474161"></a>