diff --git a/db/tables_xxl_job.sql b/db/tables_xxl_job.sql
index 30076993..54bbb80d 100644
--- a/db/tables_xxl_job.sql
+++ b/db/tables_xxl_job.sql
@@ -204,12 +204,13 @@ CREATE TABLE XXL_JOB_QRTZ_TRIGGER_REGISTRY (
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
 CREATE TABLE XXL_JOB_QRTZ_TRIGGER_GROUP (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
   `app_name` varchar(64) NOT NULL,
   `title` varchar(12) NOT NULL,
   `order` tinyint(4) NOT NULL,
-  PRIMARY KEY (`app_name`)
+  PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
-INSERT INTO XXL_JOB_QRTZ_TRIGGER_GROUP VALUES ('xxl-job-executor-example', '示例项目', '1');
+INSERT INTO `XXL_JOB_QRTZ_TRIGGER_GROUP` VALUES ('1', 'xxl-job-executor-example', '示例执行器', '1');
 
 commit;
 
diff --git a/xxl-job-admin/src/main/java/com/xxl/job/admin/controller/JobGroupController.java b/xxl-job-admin/src/main/java/com/xxl/job/admin/controller/JobGroupController.java
index d9f79a85..65c41ace 100644
--- a/xxl-job-admin/src/main/java/com/xxl/job/admin/controller/JobGroupController.java
+++ b/xxl-job-admin/src/main/java/com/xxl/job/admin/controller/JobGroupController.java
@@ -60,12 +60,6 @@ public class JobGroupController {
 			return new ReturnT<String>(500, "请输入名称");
 		}
 
-		// check repeat
-		XxlJobGroup group = xxlJobGroupDao.load(xxlJobGroup.getAppName());
-		if (group!=null) {
-			return new ReturnT<String>(500, "AppName对应的执行器已存在, 请勿重复添加");
-		}
-
 		int ret = xxlJobGroupDao.save(xxlJobGroup);
 		return (ret>0)?ReturnT.SUCCESS:ReturnT.FAIL;
 	}
@@ -90,10 +84,10 @@ public class JobGroupController {
 
 	@RequestMapping("/remove")
 	@ResponseBody
-	public ReturnT<String> remove(String appName){
+	public ReturnT<String> remove(int id){
 
 		// valid
-		int count = xxlJobInfoDao.pageListCount(0, 10, appName, null);
+		int count = xxlJobInfoDao.pageListCount(0, 10, String.valueOf(id), null);
 		if (count > 0) {
 			return new ReturnT<String>(500, "该分组使用中, 不可删除");
 		}
@@ -103,7 +97,7 @@ public class JobGroupController {
 			return new ReturnT<String>(500, "删除失败, 系统需要至少预留一个默认分组");
 		}
 
-		int ret = xxlJobGroupDao.remove(appName);
+		int ret = xxlJobGroupDao.remove(id);
 		return (ret>0)?ReturnT.SUCCESS:ReturnT.FAIL;
 	}
 
diff --git a/xxl-job-admin/src/main/java/com/xxl/job/admin/controller/JobInfoController.java b/xxl-job-admin/src/main/java/com/xxl/job/admin/controller/JobInfoController.java
index 176b5bbb..884e889f 100644
--- a/xxl-job-admin/src/main/java/com/xxl/job/admin/controller/JobInfoController.java
+++ b/xxl-job-admin/src/main/java/com/xxl/job/admin/controller/JobInfoController.java
@@ -48,7 +48,7 @@ public class JobInfoController {
 	
 	@RequestMapping("/add")
 	@ResponseBody
-	public ReturnT<String> add(String jobGroup, String jobCron, String jobDesc, String author, String alarmEmail,
+	public ReturnT<String> add(int jobGroup, String jobCron, String jobDesc, String author, String alarmEmail,
 			String executorAppname, String executorAddress, String executorHandler, String executorParam,
 			int glueSwitch, String glueSource, String glueRemark, String childJobKey) {
 		
@@ -59,7 +59,7 @@ public class JobInfoController {
 	
 	@RequestMapping("/reschedule")
 	@ResponseBody
-	public ReturnT<String> reschedule(String jobGroup, String jobName, String jobCron, String jobDesc, String author, String alarmEmail,
+	public ReturnT<String> reschedule(int jobGroup, String jobName, String jobCron, String jobDesc, String author, String alarmEmail,
 			String executorAppname, String executorAddress, String executorHandler, String executorParam,
 			int glueSwitch, String childJobKey) {
 
diff --git a/xxl-job-admin/src/main/java/com/xxl/job/admin/controller/JobLogController.java b/xxl-job-admin/src/main/java/com/xxl/job/admin/controller/JobLogController.java
index f5cac1ef..f36d40f1 100644
--- a/xxl-job-admin/src/main/java/com/xxl/job/admin/controller/JobLogController.java
+++ b/xxl-job-admin/src/main/java/com/xxl/job/admin/controller/JobLogController.java
@@ -45,6 +45,7 @@ public class JobLogController {
 	public String index(Model model, String jobGroup, String jobName) {
 
 		// 任务组
+
 		List<XxlJobGroup> jobGroupList =  xxlJobGroupDao.findAll();
 
 		model.addAttribute("jobGroup", jobGroup);
diff --git a/xxl-job-admin/src/main/java/com/xxl/job/admin/core/jobbean/RemoteHttpJobBean.java b/xxl-job-admin/src/main/java/com/xxl/job/admin/core/jobbean/RemoteHttpJobBean.java
index bb5dc72d..b6fa2875 100644
--- a/xxl-job-admin/src/main/java/com/xxl/job/admin/core/jobbean/RemoteHttpJobBean.java
+++ b/xxl-job-admin/src/main/java/com/xxl/job/admin/core/jobbean/RemoteHttpJobBean.java
@@ -73,7 +73,7 @@ public class RemoteHttpJobBean extends QuartzJobBean {
 			addressList.addAll(addressArr);
 			parseAddressMsg = MessageFormat.format("Parse Address (地址配置方式) <br>>>>[address list] : {0}<br><hr>", addressList);
 		} else {
-			XxlJobGroup group = DynamicSchedulerUtil.xxlJobGroupDao.load(jobInfo.getJobGroup());
+			XxlJobGroup group = DynamicSchedulerUtil.xxlJobGroupDao.load(Integer.valueOf(jobInfo.getJobGroup()));
 			if (group!=null) {
 				addressList = JobRegistryHelper.discover(RegistHelper.RegistType.EXECUTOR.name(), group.getAppName());
 			}
diff --git a/xxl-job-admin/src/main/java/com/xxl/job/admin/core/model/XxlJobGroup.java b/xxl-job-admin/src/main/java/com/xxl/job/admin/core/model/XxlJobGroup.java
index d32e72b0..3b2ae97c 100644
--- a/xxl-job-admin/src/main/java/com/xxl/job/admin/core/model/XxlJobGroup.java
+++ b/xxl-job-admin/src/main/java/com/xxl/job/admin/core/model/XxlJobGroup.java
@@ -7,6 +7,7 @@ import java.util.List;
  */
 public class XxlJobGroup {
 
+    private int id;
     private String appName;
     private String title;
     private int order;
@@ -14,6 +15,14 @@ public class XxlJobGroup {
     // registry list
     private List<String> registryList;
 
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
     public String getAppName() {
         return appName;
     }
diff --git a/xxl-job-admin/src/main/java/com/xxl/job/admin/core/thread/JobMonitorHelper.java b/xxl-job-admin/src/main/java/com/xxl/job/admin/core/thread/JobMonitorHelper.java
index 52238bf1..fe5726df 100644
--- a/xxl-job-admin/src/main/java/com/xxl/job/admin/core/thread/JobMonitorHelper.java
+++ b/xxl-job-admin/src/main/java/com/xxl/job/admin/core/thread/JobMonitorHelper.java
@@ -59,7 +59,7 @@ public class JobMonitorHelper {
 										Set<String> emailSet = new HashSet<String>(Arrays.asList(info.getAlarmEmail().split(",")));
 										for (String email: emailSet) {
 											String title = "《调度监控报警-任务调度中心XXL-JOB》";
-											XxlJobGroup group = DynamicSchedulerUtil.xxlJobGroupDao.load(info.getJobGroup());
+											XxlJobGroup group = DynamicSchedulerUtil.xxlJobGroupDao.load(Integer.valueOf(info.getJobGroup()));
 											String content = MessageFormat.format("任务调度失败, 执行器名称:{0}, 任务描述:{1}.", group!=null?group.getTitle():"null", info.getJobDesc());
 											MailUtil.sendMail(email, title, content, false, null);
 										}
diff --git a/xxl-job-admin/src/main/java/com/xxl/job/admin/dao/IXxlJobGroupDao.java b/xxl-job-admin/src/main/java/com/xxl/job/admin/dao/IXxlJobGroupDao.java
index bbd414e8..94957e03 100644
--- a/xxl-job-admin/src/main/java/com/xxl/job/admin/dao/IXxlJobGroupDao.java
+++ b/xxl-job-admin/src/main/java/com/xxl/job/admin/dao/IXxlJobGroupDao.java
@@ -15,7 +15,7 @@ public interface IXxlJobGroupDao {
 
     public int update(XxlJobGroup xxlJobGroup);
 
-    public int remove(String appName);
+    public int remove(int id);
 
-    public XxlJobGroup load(String appName);
+    public XxlJobGroup load(int id);
 }
diff --git a/xxl-job-admin/src/main/java/com/xxl/job/admin/dao/impl/XxlJobGroupDaoImpl.java b/xxl-job-admin/src/main/java/com/xxl/job/admin/dao/impl/XxlJobGroupDaoImpl.java
index 778f878a..b9e11340 100644
--- a/xxl-job-admin/src/main/java/com/xxl/job/admin/dao/impl/XxlJobGroupDaoImpl.java
+++ b/xxl-job-admin/src/main/java/com/xxl/job/admin/dao/impl/XxlJobGroupDaoImpl.java
@@ -33,13 +33,13 @@ public class XxlJobGroupDaoImpl implements IXxlJobGroupDao {
     }
 
     @Override
-    public int remove(String appName) {
-        return sqlSessionTemplate.delete("XxlJobGroupMapper.remove", appName);
+    public int remove(int id) {
+        return sqlSessionTemplate.delete("XxlJobGroupMapper.remove", id);
     }
 
     @Override
-    public XxlJobGroup load(String appName) {
-        return sqlSessionTemplate.selectOne("XxlJobGroupMapper.load", appName);
+    public XxlJobGroup load(int id) {
+        return sqlSessionTemplate.selectOne("XxlJobGroupMapper.load", id);
     }
 
 
diff --git a/xxl-job-admin/src/main/java/com/xxl/job/admin/service/IXxlJobService.java b/xxl-job-admin/src/main/java/com/xxl/job/admin/service/IXxlJobService.java
index ddfd8e7b..084d99bd 100644
--- a/xxl-job-admin/src/main/java/com/xxl/job/admin/service/IXxlJobService.java
+++ b/xxl-job-admin/src/main/java/com/xxl/job/admin/service/IXxlJobService.java
@@ -13,11 +13,11 @@ public interface IXxlJobService {
 	
 	public Map<String, Object> pageList(int start, int length, String jobGroup, String executorHandler, String filterTime);
 	
-	public ReturnT<String> add(String jobGroup, String jobCron, String jobDesc,String author, String alarmEmail,
+	public ReturnT<String> add(int jobGroup, String jobCron, String jobDesc,String author, String alarmEmail,
 			String executorAddress,	String executorHandler, String executorParam,
 			int glueSwitch, String glueSource, String glueRemark, String childJobKey);
 	
-	public ReturnT<String> reschedule(String jobGroup, String jobName, String jobCron, String jobDesc, String author, String alarmEmail,
+	public ReturnT<String> reschedule(int jobGroup, String jobName, String jobCron, String jobDesc, String author, String alarmEmail,
 			String executorAddress, String executorHandler, String executorParam, int glueSwitch, String childJobKey);
 	
 	public ReturnT<String> remove(String jobGroup, String jobName);
diff --git a/xxl-job-admin/src/main/java/com/xxl/job/admin/service/impl/XxlJobServiceImpl.java b/xxl-job-admin/src/main/java/com/xxl/job/admin/service/impl/XxlJobServiceImpl.java
index 3cc9ec74..41a07624 100644
--- a/xxl-job-admin/src/main/java/com/xxl/job/admin/service/impl/XxlJobServiceImpl.java
+++ b/xxl-job-admin/src/main/java/com/xxl/job/admin/service/impl/XxlJobServiceImpl.java
@@ -64,7 +64,7 @@ public class XxlJobServiceImpl implements IXxlJobService {
 	}
 
 	@Override
-	public ReturnT<String> add(String jobGroup, String jobCron, String jobDesc,String author, String alarmEmail,
+	public ReturnT<String> add(int jobGroup, String jobCron, String jobDesc,String author, String alarmEmail,
 			String executorAddress,	String executorHandler, String executorParam,
 			int glueSwitch, String glueSource, String glueRemark, String childJobKey) {
 		// valid
@@ -106,7 +106,7 @@ public class XxlJobServiceImpl implements IXxlJobService {
 		// generate jobName
 		String jobName = FastDateFormat.getInstance("yyyyMMddHHmmssSSSS").format(new Date());
 		try {
-			if (DynamicSchedulerUtil.checkExists(jobName, jobGroup)) {
+			if (DynamicSchedulerUtil.checkExists(jobName, String.valueOf(jobGroup))) {
 				return new ReturnT<String>(500, "系统繁忙，请稍后重试");
 			}
 		} catch (SchedulerException e1) {
@@ -116,7 +116,7 @@ public class XxlJobServiceImpl implements IXxlJobService {
 
 		// Backup to the database
 		XxlJobInfo jobInfo = new XxlJobInfo();
-		jobInfo.setJobGroup(jobGroup);
+		jobInfo.setJobGroup(String.valueOf(jobGroup));
 		jobInfo.setJobName(jobName);
 		jobInfo.setJobCron(jobCron);
 		jobInfo.setJobDesc(jobDesc);
@@ -146,7 +146,7 @@ public class XxlJobServiceImpl implements IXxlJobService {
 	}
 
 	@Override
-	public ReturnT<String> reschedule(String jobGroup, String jobName, String jobCron, String jobDesc, String author, String alarmEmail,
+	public ReturnT<String> reschedule(int jobGroup, String jobName, String jobCron, String jobDesc, String author, String alarmEmail,
 			String executorAddress, String executorHandler, String executorParam, int glueSwitch, String childJobKey) {
 
 		// valid
@@ -189,7 +189,7 @@ public class XxlJobServiceImpl implements IXxlJobService {
 		}
 
 		// stage job info
-		XxlJobInfo jobInfo = xxlJobInfoDao.load(jobGroup, jobName);
+		XxlJobInfo jobInfo = xxlJobInfoDao.load(String.valueOf(jobGroup), jobName);
 		jobInfo.setJobCron(jobCron);
 		jobInfo.setJobDesc(jobDesc);
 		jobInfo.setAuthor(author);
diff --git a/xxl-job-admin/src/main/resources/mybatis-mapper/XxlJobGroupMapper.xml b/xxl-job-admin/src/main/resources/mybatis-mapper/XxlJobGroupMapper.xml
index 7d9f9ea2..465eab9e 100644
--- a/xxl-job-admin/src/main/resources/mybatis-mapper/XxlJobGroupMapper.xml
+++ b/xxl-job-admin/src/main/resources/mybatis-mapper/XxlJobGroupMapper.xml
@@ -4,12 +4,14 @@
 <mapper namespace="XxlJobGroupMapper">
 	
 	<resultMap id="XxlJobGroup" type="com.xxl.job.admin.core.model.XxlJobGroup" >
+		<result column="id" property="id" />
 	    <result column="app_name" property="appName" />
 	    <result column="title" property="title" />
 	    <result column="order" property="order" />
 	</resultMap>
 
 	<sql id="Base_Column_List">
+		t.id,
 		t.app_name,
 		t.title,
 		t.order
@@ -21,27 +23,28 @@
 		ORDER BY t.order ASC
 	</select>
 
-	<insert id="save" parameterType="java.util.Map" >
+	<insert id="save" parameterType="com.xxl.job.admin.core.model.XxlJobGroup" >
 		INSERT INTO XXL_JOB_QRTZ_TRIGGER_GROUP ( `app_name`, `title`, `order`)
 		values ( #{appName}, #{title}, #{order});
 	</insert>
 
-	<update id="update" parameterType="java.util.Map" >
+	<update id="update" parameterType="com.xxl.job.admin.core.model.XxlJobGroup" >
 		UPDATE XXL_JOB_QRTZ_TRIGGER_GROUP
-		SET `title` = #{title},
+		SET `app_name` = #{appName},
+			`title` = #{title},
 			`order` = #{order}
-		WHERE app_name = #{appName}
+		WHERE id = #{id}
 	</update>
 
-	<delete id="remove" parameterType="java.lang.String" >
+	<delete id="remove" parameterType="java.lang.Integer" >
 		DELETE FROM XXL_JOB_QRTZ_TRIGGER_GROUP
-		WHERE app_name = #{appName}
+		WHERE id = #{id}
 	</delete>
 
-	<select id="load" parameterType="java.lang.String" resultMap="XxlJobGroup">
+	<select id="load" parameterType="java.lang.Integer" resultMap="XxlJobGroup">
 		SELECT <include refid="Base_Column_List" />
 		FROM XXL_JOB_QRTZ_TRIGGER_GROUP AS t
-		WHERE t.app_name = #{appName}
+		WHERE t.id = #{id}
 	</select>
 
 </mapper>
\ No newline at end of file
diff --git a/xxl-job-admin/src/main/webapp/WEB-INF/template/jobgroup/jobgroup.index.ftl b/xxl-job-admin/src/main/webapp/WEB-INF/template/jobgroup/jobgroup.index.ftl
index c3c7b2da..7a9a4ee8 100644
--- a/xxl-job-admin/src/main/webapp/WEB-INF/template/jobgroup/jobgroup.index.ftl
+++ b/xxl-job-admin/src/main/webapp/WEB-INF/template/jobgroup/jobgroup.index.ftl
@@ -37,6 +37,7 @@
 			              	<table id="joblog_list" class="table table-bordered table-striped display" width="100%" >
 				                <thead>
 					            	<tr>
+                                        <th name="id" >ID</th>
                                         <th name="appName" >AppName</th>
                                         <th name="title" >名称</th>
 					                  	<th name="order" >排序</th>
@@ -48,13 +49,14 @@
 								<#if list?exists && list?size gt 0>
 								<#list list as group>
 									<tr>
+                                        <td>${group.id}</td>
                                         <td>${group.appName}</td>
                                         <td>${group.title}</td>
                                         <td>${group.order}</td>
                                         <td><#if group.registryList?exists><#list group.registryList as item><span class="badge bg-green">${item}</span><br></#list></#if></td>
 										<td>
-                                            <button class="btn btn-warning btn-xs update" appName="${group.appName}" title="${group.title}" order="${group.order}" >编辑</button>
-                                            <button class="btn btn-danger btn-xs remove" appName="${group.appName}" >删除</button>
+                                            <button class="btn btn-warning btn-xs update" id="${group.id}" appName="${group.appName}" title="${group.title}" order="${group.order}" >编辑</button>
+                                            <button class="btn btn-danger btn-xs remove" id="${group.id}" >删除</button>
 										</td>
 									</tr>
 								</#list>
@@ -113,7 +115,7 @@
                     <form class="form-horizontal form" role="form" >
                         <div class="form-group">
                             <label for="lastname" class="col-sm-2 control-label">AppName<font color="red">*</font></label>
-                            <div class="col-sm-10"><input type="text" class="form-control" name="appName" placeholder="请输入“AppName”" maxlength="64" readonly ></div>
+                            <div class="col-sm-10"><input type="text" class="form-control" name="appName" placeholder="请输入“AppName”" maxlength="64" ></div>
                         </div>
                         <div class="form-group">
                             <label for="lastname" class="col-sm-2 control-label">名称<font color="red">*</font></label>
@@ -128,6 +130,7 @@
                             <div class="col-sm-offset-3 col-sm-6">
                                 <button type="submit" class="btn btn-primary"  >保存</button>
                                 <button type="button" class="btn btn-default" data-dismiss="modal">取消</button>
+                                <input type="hidden" name="id" >
                             </div>
                         </div>
                     </form>
diff --git a/xxl-job-admin/src/main/webapp/WEB-INF/template/jobinfo/jobinfo.index.ftl b/xxl-job-admin/src/main/webapp/WEB-INF/template/jobinfo/jobinfo.index.ftl
index 451f0ca1..374e8913 100644
--- a/xxl-job-admin/src/main/webapp/WEB-INF/template/jobinfo/jobinfo.index.ftl
+++ b/xxl-job-admin/src/main/webapp/WEB-INF/template/jobinfo/jobinfo.index.ftl
@@ -43,7 +43,7 @@
 	                	<span class="input-group-addon">执行器</span>
                 		<select class="form-control" id="jobGroup" >
                 			<#list JobGroupList as group>
-                				<option value="${group.appName}" >${group.title}</option>
+                				<option value="${group.id}" >${group.title}</option>
                 			</#list>
 	                  	</select>
 	              	</div>
@@ -118,7 +118,7 @@
 						<div class="col-sm-4">
 							<select class="form-control" name="jobGroup" >
 		            			<#list JobGroupList as group>
-		            				<option value="${group.appName}" >${group.title}</option>
+		            				<option value="${group.id}" >${group.title}</option>
 		            			</#list>
 		                  	</select>
 						</div>
diff --git a/xxl-job-admin/src/main/webapp/WEB-INF/template/joblog/joblog.index.ftl b/xxl-job-admin/src/main/webapp/WEB-INF/template/joblog/joblog.index.ftl
index b3cb4e5b..308ecbab 100644
--- a/xxl-job-admin/src/main/webapp/WEB-INF/template/joblog/joblog.index.ftl
+++ b/xxl-job-admin/src/main/webapp/WEB-INF/template/joblog/joblog.index.ftl
@@ -38,7 +38,7 @@
                 		<select class="form-control" id="jobGroup"  paramVal="${jobGroup}" >
                             <option value="" selected>请选择</option>
                 			<#list JobGroupList as group>
-                				<option value="${group.appName}" <#if jobGroup == group.appName && false>selected</#if> >${group.title}</option>
+                				<option value="${group.id}" <#if jobGroup == group.appName && false>selected</#if> >${group.title}</option>
                 			</#list>
 	                  	</select>
 	              	</div>
diff --git a/xxl-job-admin/src/main/webapp/static/js/jobgroup.index.1.js b/xxl-job-admin/src/main/webapp/static/js/jobgroup.index.1.js
index e88525df..77e6a7e8 100644
--- a/xxl-job-admin/src/main/webapp/static/js/jobgroup.index.1.js
+++ b/xxl-job-admin/src/main/webapp/static/js/jobgroup.index.1.js
@@ -2,13 +2,13 @@ $(function() {
 
 	// remove
 	$('.remove').on('click', function(){
-		var appName = $(this).attr('appName');
+		var id = $(this).attr('id');
 
 		ComConfirm.show("确认删除分组?", function(){
 			$.ajax({
 				type : 'POST',
 				url : base_url + '/jobgroup/remove',
-				data : {"appName":appName},
+				data : {"id":id},
 				dataType : "json",
 				success : function(data){
 					if (data.code == 200) {
@@ -108,6 +108,7 @@ $(function() {
 	});
 
 	$('.update').on('click', function(){
+		$("#updateModal .form input[name='id']").val($(this).attr("id"));
 		$("#updateModal .form input[name='appName']").val($(this).attr("appName"));
 		$("#updateModal .form input[name='title']").val($(this).attr("title"));
 		$("#updateModal .form input[name='order']").val($(this).attr("order"));