diff --git a/dbswitch-core/src/main/java/com/gitee/dbswitch/core/model/ColumnMetaData.java b/dbswitch-core/src/main/java/com/gitee/dbswitch/core/model/ColumnMetaData.java
index acacc763..ab523d0a 100644
--- a/dbswitch-core/src/main/java/com/gitee/dbswitch/core/model/ColumnMetaData.java
+++ b/dbswitch-core/src/main/java/com/gitee/dbswitch/core/model/ColumnMetaData.java
@@ -4,7 +4,7 @@
 // Use of this source code is governed by a BSD-style license
 //
 // Author: tang (inrgihc@126.com)
-// Data : 2020/1/2
+// Date : 2020/1/2
 // Location: beijing , china
 /////////////////////////////////////////////////////////////
 package com.gitee.dbswitch.core.model;