【OpenHarmony开源贡献者计划2022】update zh-cn/application-dev/device/vibrator-guidelines.md. 修改格式

Signed-off-by: Nzyxionga <zyxionga@isoftstone.com>

zh-cn/application-dev/device/vibrator-guidelines.md

@@ -61,12 +61,12 @@
 
    ```
    import vibrator from "@ohos.vibrator"
-   vibrator.vibrate(1000).then((error)=>{
-       if(error){//调用失败，打印error.code和error.message
-          Console.log("Promise return failed.error.code"+error.code+"error.message"+error.message);  
-       }else{//调用成功,设备开始振动
+   vibrator.vibrate(1000).then((error) => {
+       if (error) { //调用失败，打印error.code和error.message
+          Console.log("Promise return failed.error.code " + error.code + "error.message " + error.message);  
+       } else { //调用成功,设备开始振动
           Console.log("Promise returned to indicate a successful vibration.")  
-       };
+       }
    })
    ```
 
@@ -74,12 +74,12 @@
 
    ```
    import vibrator from "@ohos.vibrator"
-   vibrator.stop(vibrator.VibratorStopMode.VIBRATOR_STOP_MODE_PRESET).then((error)=>{
-      if(error){//调用失败，打印error.code和error.message
-          Console.log("Promise return failed.error.code"+error.code+"error.message"+error.message);
-      }else{//调用成功，设备停止振动
+   vibrator.stop(vibrator.VibratorStopMode.VIBRATOR_STOP_MODE_PRESET).then((error) => {
+      if (error) { //调用失败，打印error.code和error.message
+          Console.log("Promise return failed.error.code " + error.code + "error.message " + error.message);
+      } else { //调用成功，设备停止振动
           Console.log("Promise returned to indicate successful.");
-      };
+      }
    })
    ```