diff --git a/mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/dispatch/checker/ActiveVersionChecker.java b/mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/dispatch/checker/ActiveVersionChecker.java
index c10a93a87b1e3..8df8f227773f6 100644
--- a/mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/dispatch/checker/ActiveVersionChecker.java
+++ b/mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/dispatch/checker/ActiveVersionChecker.java
@@ -31,7 +31,7 @@ public final class ActiveVersionChecker {
     
     /**
      * Check active version.
-     * 
+     *
      * @param contextManager context manager
      * @param event data changed event
      */