diff --git a/src/main/java/com/kimgo/wepush/service/MonitorService.java b/src/main/java/com/kimgo/wepush/service/MonitorService.java
index fb65678..7eef08f 100644
--- a/src/main/java/com/kimgo/wepush/service/MonitorService.java
+++ b/src/main/java/com/kimgo/wepush/service/MonitorService.java
@@ -149,7 +149,6 @@ public class MonitorService {
         } catch (Exception e) {
             logger.error("Error updating status for SN: " + device.getSN(), e);
             throw new DatabaseUpdateException("update to mysql error.",e);
-
         }
     }
 }