diff --git a/zh-cn/application-dev/reference/apis/js-apis-data-udmf.md b/zh-cn/application-dev/reference/apis/js-apis-data-udmf.md
index c3fc51cd31dd6c473ca20e0b297492e9bd4fdafd..95b14f4c6c3c477286fd092626fa817a6667e34c 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-data-udmf.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-data-udmf.md
@@ -626,7 +626,7 @@ try {
         if (err === undefined) {
             console.info('Succeeded in updating data.');
         } else {
-            console.error('Failed to update data. code is ${err.code},message is ${err.message} `);
+            console.error(`Failed to update data. code is ${err.code},message is ${err.message} `);
         }
     });
 } catch(e) {