diff --git a/src/main/java/com/alibaba/druid/sql/dialect/mysql/visitor/MySqlOutputVisitor.java b/src/main/java/com/alibaba/druid/sql/dialect/mysql/visitor/MySqlOutputVisitor.java
index 896c4efdcb..c45919cdbd 100644
--- a/src/main/java/com/alibaba/druid/sql/dialect/mysql/visitor/MySqlOutputVisitor.java
+++ b/src/main/java/com/alibaba/druid/sql/dialect/mysql/visitor/MySqlOutputVisitor.java
@@ -2209,4 +2209,5 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
     public void endVisit(MySqlAlterTableAddColumn x) {
 
     }
+
 }