diff --git a/mybatis-flex-spring/src/main/java/com/mybatisflex/spring/FlexSpringTransaction.java b/mybatis-flex-spring/src/main/java/com/mybatisflex/spring/FlexSpringTransaction.java
index 00dd330f..d06e5eda 100644
--- a/mybatis-flex-spring/src/main/java/com/mybatisflex/spring/FlexSpringTransaction.java
+++ b/mybatis-flex-spring/src/main/java/com/mybatisflex/spring/FlexSpringTransaction.java
@@ -1,20 +1,26 @@
+/*
+ *  Copyright (c) 2022-2023, Mybatis-Flex (fuhai999@gmail.com).
+ *  <p>
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *  <p>
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *  <p>
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
 package com.mybatisflex.spring;
 
-import com.mybatisflex.core.datasource.DataSourceKey;
 import com.mybatisflex.core.datasource.FlexDataSource;
-import com.mybatisflex.core.transaction.TransactionContext;
-import com.mybatisflex.core.transaction.TransactionalManager;
-import com.mybatisflex.core.util.StringUtil;
 import java.sql.Connection;
 import java.sql.SQLException;
-import java.util.HashMap;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
 import javax.sql.DataSource;
 import org.apache.ibatis.session.TransactionIsolationLevel;
 import org.apache.ibatis.transaction.Transaction;
-import org.springframework.util.StringUtils;
 
 /**
  * spring事务支持，解决issusehttps://gitee.com/mybatis-flex/mybatis-flex/issues/I7HJ4J
diff --git a/mybatis-flex-spring/src/main/java/com/mybatisflex/spring/FlexTransactionFactory.java b/mybatis-flex-spring/src/main/java/com/mybatisflex/spring/FlexTransactionFactory.java
index 1641a41d..dbfbf6a6 100644
--- a/mybatis-flex-spring/src/main/java/com/mybatisflex/spring/FlexTransactionFactory.java
+++ b/mybatis-flex-spring/src/main/java/com/mybatisflex/spring/FlexTransactionFactory.java
@@ -1,3 +1,18 @@
+/*
+ *  Copyright (c) 2022-2023, Mybatis-Flex (fuhai999@gmail.com).
+ *  <p>
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *  <p>
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *  <p>
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
 package com.mybatisflex.spring;
 
 import java.sql.Connection;