diff --git a/src/main/java/cn/lunadeer/miniplayertitle/PlayerTitle.java b/src/main/java/cn/lunadeer/miniplayertitle/PlayerTitle.java
index 0e443dc..7a2979c 100644
--- a/src/main/java/cn/lunadeer/miniplayertitle/PlayerTitle.java
+++ b/src/main/java/cn/lunadeer/miniplayertitle/PlayerTitle.java
@@ -56,8 +56,7 @@ public class PlayerTitle extends Title {
     private void save() {
         String sql = "";
         sql += "UPDATE mplt_player_title ";
-        sql += "SET expire_at = " + this._expire_at + ", ";
-        sql += "updated_at = CURRENT_TIMESTAMP ";
+        sql += "SET expire_at = " + this._expire_at + " ";
         sql += "WHERE player_uuid = '" + _player_uuid.toString() + "' ";
         sql += "AND title_id = " + this._id + ";";
         MiniPlayerTitle.database.query(sql);
diff --git a/src/main/java/cn/lunadeer/miniplayertitle/SaleTitle.java b/src/main/java/cn/lunadeer/miniplayertitle/SaleTitle.java
index 31ec1f9..f7178b7 100644
--- a/src/main/java/cn/lunadeer/miniplayertitle/SaleTitle.java
+++ b/src/main/java/cn/lunadeer/miniplayertitle/SaleTitle.java
@@ -119,8 +119,7 @@ public class SaleTitle extends Title {
         sql += "price = " + this._price + ", ";
         sql += "days = " + this._days + ", ";
         sql += "amount = " + this._amount + ", ";
-        sql += "sale_end_at = " + this._sale_end_at + ", ";
-        sql += "updated_at = CURRENT_TIMESTAMP ";
+        sql += "sale_end_at = " + this._sale_end_at + " ";
         sql += "WHERE id = " + this._sale_id + ";";
 
         MiniPlayerTitle.database.query(sql);
diff --git a/src/main/java/cn/lunadeer/miniplayertitle/Title.java b/src/main/java/cn/lunadeer/miniplayertitle/Title.java
index 0e20540..328612d 100644
--- a/src/main/java/cn/lunadeer/miniplayertitle/Title.java
+++ b/src/main/java/cn/lunadeer/miniplayertitle/Title.java
@@ -110,7 +110,6 @@ public class Title {
             sql += "title = '" + this._title + "', ";
             sql += "description = '" + this._description + "', ";
             sql += "enabled = " + this._enabled + " ";
-            sql += "updated_at = CURRENT_TIMESTAMP ";
             sql += "WHERE id = " + this._id + ";";
         }
         MiniPlayerTitle.database.query(sql);
diff --git a/src/main/java/cn/lunadeer/miniplayertitle/XPlayer.java b/src/main/java/cn/lunadeer/miniplayertitle/XPlayer.java
index f08ce7c..4f27953 100644
--- a/src/main/java/cn/lunadeer/miniplayertitle/XPlayer.java
+++ b/src/main/java/cn/lunadeer/miniplayertitle/XPlayer.java
@@ -55,8 +55,7 @@ public class XPlayer {
         checkTitleValid();
         String sql = "";
         sql += "UPDATE mplt_player_info ";
-        sql += "SET using_title_id = " + _current_title_id + ", ";
-        sql += "updated_at = CURRENT_TIMESTAMP ";
+        sql += "SET using_title_id = " + _current_title_id + " ";
         sql += "WHERE uuid = '" + _player.getUniqueId() + "';";
         MiniPlayerTitle.database.query(sql);
         updateName();
@@ -87,8 +86,7 @@ public class XPlayer {
         _coin = coin;
         String sql = "";
         sql += "UPDATE mplt_player_info ";
-        sql += "SET coin = " + coin + ", ";
-        sql += "updated_at = CURRENT_TIMESTAMP ";
+        sql += "SET coin = " + coin + " ";
         sql += "WHERE uuid = '" + _player.getUniqueId().toString() + "';";
         MiniPlayerTitle.database.query(sql);
     }
diff --git a/src/main/java/cn/lunadeer/miniplayertitle/utils/DatabaseTables.java b/src/main/java/cn/lunadeer/miniplayertitle/utils/DatabaseTables.java
index 3fbb780..629b8d6 100644
--- a/src/main/java/cn/lunadeer/miniplayertitle/utils/DatabaseTables.java
+++ b/src/main/java/cn/lunadeer/miniplayertitle/utils/DatabaseTables.java
@@ -72,5 +72,14 @@ public class DatabaseTables {
                 "CURRENT_TIMESTAMP  " +
                 ") ON CONFLICT (id) DO NOTHING;";
         MiniPlayerTitle.database.query(sql);
+
+        MiniPlayerTitle.database.deleteColumnIfExists("mplt_title", "created_at");
+        MiniPlayerTitle.database.deleteColumnIfExists("mplt_title", "updated_at");
+        MiniPlayerTitle.database.deleteColumnIfExists("mplt_title_shop", "created_at");
+        MiniPlayerTitle.database.deleteColumnIfExists("mplt_title_shop", "updated_at");
+        MiniPlayerTitle.database.deleteColumnIfExists("mplt_player_info", "created_at");
+        MiniPlayerTitle.database.deleteColumnIfExists("mplt_player_info", "updated_at");
+        MiniPlayerTitle.database.deleteColumnIfExists("mplt_player_title", "created_at");
+        MiniPlayerTitle.database.deleteColumnIfExists("mplt_player_title", "updated_at");
     }
 }