diff --git a/im-center-server/src/main/java/cn/axzo/im/dao/repository/GroupMemberDao.java b/im-center-server/src/main/java/cn/axzo/im/dao/repository/GroupMemberDao.java
index 05136a5..dbbc4e7 100644
--- a/im-center-server/src/main/java/cn/axzo/im/dao/repository/GroupMemberDao.java
+++ b/im-center-server/src/main/java/cn/axzo/im/dao/repository/GroupMemberDao.java
@@ -27,13 +27,13 @@ public class GroupMemberDao extends ServiceImpl<GroupMapperMapper, GroupMember>
                 .remove();
     }
 
-    public Set<PersonAccountAttribute> getGroupPersons(Long tid) {
-        return getMembersByTid(tid).stream()
+    public Set<PersonAccountAttribute> getAsPersons(Long tid) {
+        return getByTid(tid).stream()
                 .map(GroupMember::asPerson)
                 .collect(toSet());
     }
 
-    public List<GroupMember> getMembersByTid(Long tid) {
+    public List<GroupMember> getByTid(Long tid) {
         return lambdaQuery()
                 .eq(GroupMember::getTid, tid)
                 .list();
@@ -55,7 +55,7 @@ public class GroupMemberDao extends ServiceImpl<GroupMapperMapper, GroupMember>
                 .remove();
     }
 
-    public List<GroupMember> getMembersByPersons(
+    public List<GroupMember> getByPersons(
             Long tid, Collection<PersonAccountAttribute> persons) {
         if (CollectionUtils.isEmpty(persons))
             return Collections.emptyList();
diff --git a/im-center-server/src/main/java/cn/axzo/im/group/GroupManager.java b/im-center-server/src/main/java/cn/axzo/im/group/GroupManager.java
index 2d093d9..2de4d40 100644
--- a/im-center-server/src/main/java/cn/axzo/im/group/GroupManager.java
+++ b/im-center-server/src/main/java/cn/axzo/im/group/GroupManager.java
@@ -90,7 +90,7 @@ public class GroupManager {
         // 同步完成员后再发消息, 因为接收方可能会查询群成员
         groupBroadcaster.fireGroupChanged(group, MqEventType.GROUP_CREATED);
         groupBroadcaster.fireMembersChanged(group,
-                groupMemberDao.getMembersByTid(nimResponse.getTid()),
+                groupMemberDao.getByTid(nimResponse.getTid()),
                 MqEventType.GROUP_ADD_MEMBERS);
         GroupCreateResponse response = new GroupCreateResponse();
         response.setTid(nimResponse.getTid());
@@ -124,7 +124,7 @@ public class GroupManager {
         // sync members 1
         groupMemberSyncer.syncMembers(group);
         // prepare add members
-        Set<PersonAccountAttribute> prePersons = groupMemberDao.getGroupPersons(group.getTid());
+        Set<PersonAccountAttribute> prePersons = groupMemberDao.getAsPersons(group.getTid());
         Set<PersonAccountAttribute> addPersons = request.getMembers().stream()
                 .filter(member -> !prePersons.contains(member))
                 .collect(toSet());
@@ -148,7 +148,7 @@ public class GroupManager {
         // sync members 2
         groupMemberSyncer.syncMembers(group);
         groupBroadcaster.fireMembersChanged(group,
-                groupMemberDao.getMembersByPersons(group.getTid(), addPersons),
+                groupMemberDao.getByPersons(group.getTid(), addPersons),
                 MqEventType.GROUP_ADD_MEMBERS);
         GroupAddMembersResponse response = new GroupAddMembersResponse();
         response.setAccountsNotFound(getAccountNotFoundPersons(
@@ -170,7 +170,7 @@ public class GroupManager {
         // sync members 1
         groupMemberSyncer.syncMembers(group);
         Set<PersonAccountAttribute> groupPersons = groupMemberDao
-                .getGroupPersons(group.getTid());
+                .getAsPersons(group.getTid());
         Set<PersonAccountAttribute> removePersons = request.getMembers().stream()
                 .filter(groupPersons::contains)
                 .collect(toSet());
@@ -190,7 +190,7 @@ public class GroupManager {
         BizAssertions.assertTrue(nimResponse.isSuccess(), "移除群成员失败: {}", nimResponse.getDesc());
         // 同步前进行查询, 不然查询不到了
         List<GroupMember> removeMembers = groupMemberDao
-                .getMembersByPersons(group.getTid(), removePersons);
+                .getByPersons(group.getTid(), removePersons);
         // sync members 2
         groupMemberSyncer.syncMembers(group);
         groupBroadcaster.fireMembersChanged(group,
diff --git a/im-center-server/src/main/java/cn/axzo/im/group/controller/GroupController.java b/im-center-server/src/main/java/cn/axzo/im/group/controller/GroupController.java
index 4c30a14..d6e70f0 100644
--- a/im-center-server/src/main/java/cn/axzo/im/group/controller/GroupController.java
+++ b/im-center-server/src/main/java/cn/axzo/im/group/controller/GroupController.java
@@ -64,7 +64,7 @@ public class GroupController implements GroupApi {
 
     @Override
     public ApiResult<GroupGetMembersResponse> getMembers(GroupGetMembersRequest request) {
-        List<GroupMember> members = groupMemberDao.getMembersByTid(request.getTid());
+        List<GroupMember> members = groupMemberDao.getByTid(request.getTid());
         GroupGetMembersResponse response = new GroupGetMembersResponse();
         response.setMembers(BeanMapper.copyList(members, GroupMemberInfo.class));
         return ApiResult.ok(response);
diff --git a/im-center-server/src/main/java/cn/axzo/im/group/member/GroupMemberSyncer.java b/im-center-server/src/main/java/cn/axzo/im/group/member/GroupMemberSyncer.java
index ab04890..7793c7a 100644
--- a/im-center-server/src/main/java/cn/axzo/im/group/member/GroupMemberSyncer.java
+++ b/im-center-server/src/main/java/cn/axzo/im/group/member/GroupMemberSyncer.java
@@ -50,7 +50,7 @@ public class GroupMemberSyncer {
         if (groupInfo == null) return;
         transactionTemplate.executeWithoutResult(unused -> {
             List<GroupMember> newMembers = parseGroupMembers(group, groupInfo);
-            List<GroupMember> oldMembers = groupMemberDao.getMembersByTid(group.getTid());
+            List<GroupMember> oldMembers = groupMemberDao.getByTid(group.getTid());
             Set<PersonAccountAttribute> newPersons = newMembers.stream().map(GroupMember::asPerson).collect(toSet());
             Set<PersonAccountAttribute> oldPersons = oldMembers.stream().map(GroupMember::asPerson).collect(toSet());