diff --git a/mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/event/dispatch/handler/DataChangedEventHandler.java b/mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/event/dispatch/handler/DataChangedEventHandler.java
index 1b14eaf2d0374..38ff0eae5b9f6 100644
--- a/mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/event/dispatch/handler/DataChangedEventHandler.java
+++ b/mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/event/dispatch/handler/DataChangedEventHandler.java
@@ -44,7 +44,6 @@ public interface DataChangedEventHandler {
      */
     Collection<Type> getSubscribedTypes();
     
-    
     /**
      * Handle data changed event.
      *