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 e87b8915e5959aa3c52a86a214825f498e0ffe7d..b0fa438d18f266377935e6b399d6108d20fbb208 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.");
     }