diff --git a/src/main/java/com/itfsw/mybatis/generator/plugins/OptimisticLockerPlugin.java b/src/main/java/com/itfsw/mybatis/generator/plugins/OptimisticLockerPlugin.java
index 9ffed0c..7fe80be 100644
--- a/src/main/java/com/itfsw/mybatis/generator/plugins/OptimisticLockerPlugin.java
+++ b/src/main/java/com/itfsw/mybatis/generator/plugins/OptimisticLockerPlugin.java
@@ -69,6 +69,8 @@ public class OptimisticLockerPlugin extends BasePlugin implements IModelBuilderP
             if (this.versionColumn == null) {
                 warnings.add("itfsw(乐观锁插件):表" + introspectedTable.getFullyQualifiedTable() + "配置的版本列(" + introspectedTable.getTableConfigurationProperty(PRO_VERSION_COLUMN) + ")没有找到！");
             }
+        } else {
+            this.versionColumn = null;
         }
 
         // 自定义nextVersion
diff --git a/src/test/java/com/itfsw/mybatis/generator/plugins/BugFixedTest.java b/src/test/java/com/itfsw/mybatis/generator/plugins/BugFixedTest.java
index 4d22b3b..b222670 100644
--- a/src/test/java/com/itfsw/mybatis/generator/plugins/BugFixedTest.java
+++ b/src/test/java/com/itfsw/mybatis/generator/plugins/BugFixedTest.java
@@ -71,7 +71,7 @@ public class BugFixedTest {
 
                 sql = SqlHelper.getFormatMapperSql(tbMapper.getObject(), "selectByExampleSelective", tbExample.getObject(), columns);
                 Assert.assertEquals(sql, "select id , field1 , `table` from tb Test WHERE ( Test.id < '160' ) order by `table` ASC");
-                ObjectUtil result1 = new ObjectUtil(((List)tbMapper.invoke("selectByExampleSelective", tbExample.getObject(), columns)).get(0));
+                ObjectUtil result1 = new ObjectUtil(((List) tbMapper.invoke("selectByExampleSelective", tbExample.getObject(), columns)).get(0));
                 Assert.assertEquals(result1.get("table"), "tb");
             }
         });
@@ -107,4 +107,24 @@ public class BugFixedTest {
             }
         });
     }
+
+    /**
+     * 乐观锁插件好像变量作用域问题导致，前一个表的配置会影响后一个表配置
+     */
+    @Test
+    public void issues39() throws Exception {
+        MyBatisGeneratorTool tool = MyBatisGeneratorTool.create("scripts/BugFixedTest/issues-39.xml");
+        tool.generate(() -> DBHelper.createDB("scripts/BugFixedTest/issues-39.sql"), new AbstractShellCallback() {
+            @Override
+            public void reloadProject(SqlSession sqlSession, ClassLoader loader, String packagz) throws Exception {
+                ObjectUtil tbMapper = new ObjectUtil(sqlSession.getMapper(loader.loadClass(packagz + ".TbMapper")));
+                // 第一个生成对应方法
+                Assert.assertEquals(tbMapper.getMethods(OptimisticLockerPlugin.METHOD_DELETE_WITH_VERSION_BY_EXAMPLE).size(), 1);
+
+                ObjectUtil tb1Mapper = new ObjectUtil(sqlSession.getMapper(loader.loadClass(packagz + ".Tb1Mapper")));
+                // 第一个生成对应方法
+                Assert.assertEquals(tb1Mapper.getMethods(OptimisticLockerPlugin.METHOD_DELETE_WITH_VERSION_BY_EXAMPLE).size(), 0);
+            }
+        });
+    }
 }
diff --git a/src/test/resources/scripts/BugFixedTest/issues-39.sql b/src/test/resources/scripts/BugFixedTest/issues-39.sql
new file mode 100644
index 0000000..e797c38
--- /dev/null
+++ b/src/test/resources/scripts/BugFixedTest/issues-39.sql
@@ -0,0 +1,38 @@
+/*
+Navicat MySQL Data Transfer
+
+Source Server         : localhost
+Source Server Version : 50617
+Source Host           : localhost:3306
+Source Database       : mybatis-generator-plugin
+
+Target Server Type    : MYSQL
+Target Server Version : 50617
+File Encoding         : 65001
+
+Date: 2017-06-27 11:17:08
+*/
+
+SET FOREIGN_KEY_CHECKS=0;
+
+-- ----------------------------
+-- Table structure for tb
+-- ----------------------------
+DROP TABLE IF EXISTS `tb`;
+CREATE TABLE `tb` (
+  `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '注释1',
+  `field1` varchar(255) DEFAULT NULL COMMENT '注释2',
+  `vs` int DEFAULT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=MyISAM DEFAULT CHARSET=utf8;
+
+-- ----------------------------
+-- Table structure for tb1
+-- ----------------------------
+DROP TABLE IF EXISTS `tb1`;
+CREATE TABLE `tb1` (
+  `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '注释1',
+  `field1` varchar(255) DEFAULT NULL COMMENT '注释2',
+  `vs` int DEFAULT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=MyISAM DEFAULT CHARSET=utf8;
\ No newline at end of file
diff --git a/src/test/resources/scripts/BugFixedTest/issues-39.xml b/src/test/resources/scripts/BugFixedTest/issues-39.xml
new file mode 100644
index 0000000..4c7223d
--- /dev/null
+++ b/src/test/resources/scripts/BugFixedTest/issues-39.xml
@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (c) 2018.
+  ~
+  ~ 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
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ 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.
+  -->
+
+<!DOCTYPE generatorConfiguration
+        PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
+        "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">
+<generatorConfiguration>
+    <properties resource="db.properties"/>
+    <!--导入属性配置 -->
+    <context id="default" targetRuntime="MyBatis3">
+        <property name="autoDelimitKeywords" value="true"/>
+        <property name="beginningDelimiter" value="`"/>
+        <property name="endingDelimiter" value="`"/>
+
+        <!-- 乐观锁插件 -->
+        <plugin type="com.itfsw.mybatis.generator.plugins.OptimisticLockerPlugin"></plugin>
+
+        <!--jdbc的数据库连接 -->
+        <jdbcConnection driverClass="${driver}" connectionURL="${url}" userId="${username}" password="${password}" />
+        <!-- Model模型生成器,用来生成含有主键key的类，记录类 以及查询Example类
+            targetPackage     指定生成的model生成所在的包名
+            targetProject     指定在该项目下所在的路径  -->
+        <javaModelGenerator targetPackage="" targetProject="">
+            <!-- 是否对model添加 构造函数 -->
+            <property name="constructorBased" value="true"/>
+            <!-- 给Model添加一个父类 -->
+            <!--<property name="rootClass" value="com.itfsw.base"/>-->
+        </javaModelGenerator>
+        <!--Mapper映射文件生成所在的目录 为每一个数据库的表生成对应的SqlMap文件 -->
+        <sqlMapGenerator targetPackage="" targetProject="" />
+        <!-- 客户端代码，生成易于使用的针对Model对象和XML配置文件 的代码
+            type="ANNOTATEDMAPPER",生成Java Model 和基于注解的Mapper对象
+            type="MIXEDMAPPER",生成基于注解的Java Model 和相应的Mapper对象
+            type="XMLMAPPER",生成SQLMap XML文件和独立的Mapper接口 -->
+        <javaClientGenerator targetPackage="" targetProject="" type="XMLMAPPER"/>
+
+        <!-- +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 要自动生成的表 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
+        <table tableName="tb">
+            <property name="versionColumn" value="vs"/>
+        </table>
+        <table tableName="tb1">
+        </table>
+    </context>
+</generatorConfiguration>
\ No newline at end of file