diff --git a/zh-cn/application-dev/reference/apis/js-apis-vibrator.md b/zh-cn/application-dev/reference/apis/js-apis-vibrator.md
index e5000db4bf4fea838f13399958e6822d1271e0b0..65e03c91b637d6bbc36bff17d5a3a3540d84ee27 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-vibrator.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-vibrator.md
@@ -200,7 +200,7 @@ vibrator.vibrate({
     usage: 'alarm'
 }, (error)=>{
     if(error){
-        console.log("vibrate fail, error.code:" + error.code + ",error.message:" +                           error.message);
+        console.log("vibrate fail, error.code:" + error.code + ",error.message:" +               error.message);
     }else{
         console.log("Callback returned to indicate a successful vibration.");
     }