diff --git a/src/main/java/com/ctrip/zeus/service/model/AppRepository.java b/src/main/java/com/ctrip/zeus/service/model/GroupRepository.java
similarity index 96%
rename from src/main/java/com/ctrip/zeus/service/model/AppRepository.java
rename to src/main/java/com/ctrip/zeus/service/model/GroupRepository.java
index fa66eec6..cb877bd9 100644
--- a/src/main/java/com/ctrip/zeus/service/model/AppRepository.java
+++ b/src/main/java/com/ctrip/zeus/service/model/GroupRepository.java
@@ -10,7 +10,7 @@ import java.util.List;
  * @author:xingchaowang
  * @date: 3/4/2015.
  */
-public interface AppRepository extends Repository {
+public interface GroupRepository extends Repository {
 
     List<Group> list() throws Exception;
 
diff --git a/src/main/java/com/ctrip/zeus/service/model/handler/AppQuery.java b/src/main/java/com/ctrip/zeus/service/model/handler/GroupQuery.java
similarity index 96%
rename from src/main/java/com/ctrip/zeus/service/model/handler/AppQuery.java
rename to src/main/java/com/ctrip/zeus/service/model/handler/GroupQuery.java
index 9d73ef2e..f943b69a 100644
--- a/src/main/java/com/ctrip/zeus/service/model/handler/AppQuery.java
+++ b/src/main/java/com/ctrip/zeus/service/model/handler/GroupQuery.java
@@ -10,7 +10,7 @@ import java.util.List;
  * @author:xingchaowang
  * @date: 3/7/2015.
  */
-public interface AppQuery {
+public interface GroupQuery {
 
     Group get(String name) throws DalException;
 
diff --git a/src/main/java/com/ctrip/zeus/service/model/handler/AppSync.java b/src/main/java/com/ctrip/zeus/service/model/handler/GroupSync.java
similarity index 94%
rename from src/main/java/com/ctrip/zeus/service/model/handler/AppSync.java
rename to src/main/java/com/ctrip/zeus/service/model/handler/GroupSync.java
index ebd58bf0..577c7822 100644
--- a/src/main/java/com/ctrip/zeus/service/model/handler/AppSync.java
+++ b/src/main/java/com/ctrip/zeus/service/model/handler/GroupSync.java
@@ -9,7 +9,7 @@ import org.unidal.dal.jdbc.DalException;
  * @author:xingchaowang
  * @date: 3/7/2015.
  */
-public interface AppSync {
+public interface GroupSync {
     GroupDo add(Group app) throws DalException, ValidationException;
 
     GroupDo update(Group app) throws DalException, ValidationException;
diff --git a/src/main/java/com/ctrip/zeus/service/model/handler/impl/AppQueryImpl.java b/src/main/java/com/ctrip/zeus/service/model/handler/impl/GroupQueryImpl.java
similarity index 98%
rename from src/main/java/com/ctrip/zeus/service/model/handler/impl/AppQueryImpl.java
rename to src/main/java/com/ctrip/zeus/service/model/handler/impl/GroupQueryImpl.java
index ed4a6083..17a48249 100644
--- a/src/main/java/com/ctrip/zeus/service/model/handler/impl/AppQueryImpl.java
+++ b/src/main/java/com/ctrip/zeus/service/model/handler/impl/GroupQueryImpl.java
@@ -2,7 +2,7 @@ package com.ctrip.zeus.service.model.handler.impl;
 
 import com.ctrip.zeus.dal.core.*;
 import com.ctrip.zeus.model.entity.*;
-import com.ctrip.zeus.service.model.handler.AppQuery;
+import com.ctrip.zeus.service.model.handler.GroupQuery;
 import com.ctrip.zeus.support.C;
 import org.springframework.stereotype.Component;
 import org.unidal.dal.jdbc.DalException;
@@ -16,7 +16,7 @@ import java.util.List;
  * @date: 3/7/2015.
  */
 @Component("appQuery")
-public class AppQueryImpl implements AppQuery {
+public class GroupQueryImpl implements GroupQuery {
     @Resource
     private GroupDao appDao;
     @Resource
diff --git a/src/main/java/com/ctrip/zeus/service/model/handler/impl/AppSyncImpl.java b/src/main/java/com/ctrip/zeus/service/model/handler/impl/GroupSyncImpl.java
similarity index 98%
rename from src/main/java/com/ctrip/zeus/service/model/handler/impl/AppSyncImpl.java
rename to src/main/java/com/ctrip/zeus/service/model/handler/impl/GroupSyncImpl.java
index ccfbfa91..608d219b 100644
--- a/src/main/java/com/ctrip/zeus/service/model/handler/impl/AppSyncImpl.java
+++ b/src/main/java/com/ctrip/zeus/service/model/handler/impl/GroupSyncImpl.java
@@ -3,7 +3,7 @@ package com.ctrip.zeus.service.model.handler.impl;
 import com.ctrip.zeus.dal.core.*;
 import com.ctrip.zeus.exceptions.ValidationException;
 import com.ctrip.zeus.model.entity.*;
-import com.ctrip.zeus.service.model.handler.AppSync;
+import com.ctrip.zeus.service.model.handler.GroupSync;
 import com.ctrip.zeus.support.C;
 import com.google.common.base.Function;
 import com.google.common.collect.Maps;
@@ -22,7 +22,7 @@ import java.util.Map;
  * @date: 3/7/2015.
  */
 @Component("appSync")
-public class AppSyncImpl implements AppSync {
+public class GroupSyncImpl implements GroupSync {
     @Resource
     private GroupDao appDao;
     @Resource