diff --git a/internal/rpc/conversation/conversaion.go b/internal/rpc/conversation/conversaion.go
index f5c74e7c3..326be49da 100644
--- a/internal/rpc/conversation/conversaion.go
+++ b/internal/rpc/conversation/conversaion.go
@@ -271,11 +271,7 @@ func (c *conversationServer) CreateSingleChatConversations(ctx context.Context,
 }
 
 func (c *conversationServer) CreateGroupChatConversations(ctx context.Context, req *pbConversation.CreateGroupChatConversationsReq) (*pbConversation.CreateGroupChatConversationsResp, error) {
-	maxSeq, err := c.msgRpcClient.GetConversationMaxSeq(ctx, utils.GenGroupConversationID(req.GroupID))
-	if err != nil {
-		return nil, err
-	}
-	err = c.conversationDatabase.CreateGroupChatConversation(ctx, req.GroupID, req.UserIDs, maxSeq)
+	err := c.conversationDatabase.CreateGroupChatConversation(ctx, req.GroupID, req.UserIDs)
 	if err != nil {
 		return nil, err
 	}
diff --git a/internal/rpc/group/group.go b/internal/rpc/group/group.go
index df21817b3..fb19ed68e 100644
--- a/internal/rpc/group/group.go
+++ b/internal/rpc/group/group.go
@@ -869,7 +869,7 @@ func (s *groupServer) QuitGroup(ctx context.Context, req *pbGroup.QuitGroupReq)
 
 func (s *groupServer) deleteMemberAndSetConversationSeq(ctx context.Context, groupID string, userIDs []string) error {
 	conevrsationID := utils.GetConversationIDBySessionType(constant.SuperGroupChatType, groupID)
-	maxSeq, err := s.msgRpcClient.GetConversationMaxSeq(ctx, utils.GenConversationUniqueKeyForGroup(groupID))
+	maxSeq, err := s.msgRpcClient.GetConversationMaxSeq(ctx, conevrsationID)
 	if err != nil {
 
 		return err
diff --git a/internal/rpc/msg/sync_msg.go b/internal/rpc/msg/sync_msg.go
index ef00e8317..052fa5245 100644
--- a/internal/rpc/msg/sync_msg.go
+++ b/internal/rpc/msg/sync_msg.go
@@ -18,6 +18,7 @@ func (m *msgServer) PullMessageBySeqs(ctx context.Context, req *sdkws.PullMessag
 			conversation, err := m.Conversation.GetConversation(ctx, req.UserID, seq.ConversationID)
 			if err != nil {
 				log.ZError(ctx, "GetConversation error", err, "conversationID", seq.ConversationID)
+				continue
 			}
 			minSeq, maxSeq, msgs, err := m.MsgDatabase.GetMsgBySeqsRange(ctx, req.UserID, seq.ConversationID, seq.Begin, seq.End, seq.Num, conversation.MaxSeq)
 			if err != nil {
diff --git a/internal/rpc/msg/verify.go b/internal/rpc/msg/verify.go
index 23ad3fb71..8fcb82ca8 100644
--- a/internal/rpc/msg/verify.go
+++ b/internal/rpc/msg/verify.go
@@ -91,13 +91,13 @@ func (m *msgServer) messageVerification(ctx context.Context, data *msg.SendMsgRe
 		if err != nil {
 			return err
 		}
-		if groupMemberInfo.RoleLevel > constant.GroupOrdinaryUsers {
+		if groupMemberInfo.RoleLevel == constant.GroupOwner {
 			return nil
 		} else {
 			if groupMemberInfo.MuteEndTime >= time.Now().Unix() {
 				return errs.ErrMutedInGroup.Wrap()
 			}
-			if groupInfo.Status == constant.GroupStatusMuted {
+			if groupInfo.Status == constant.GroupStatusMuted && groupMemberInfo.RoleLevel != constant.GroupAdmin {
 				return errs.ErrMutedGroup.Wrap()
 			}
 		}
diff --git a/pkg/common/db/controller/conversation.go b/pkg/common/db/controller/conversation.go
index d95c604ca..d34c1c890 100644
--- a/pkg/common/db/controller/conversation.go
+++ b/pkg/common/db/controller/conversation.go
@@ -28,7 +28,7 @@ type ConversationDatabase interface {
 	SetUserConversations(ctx context.Context, ownerUserID string, conversations []*relationTb.ConversationModel) error
 	//SetUsersConversationFiledTx 设置多个用户会话关于某个字段的更新操作，如果会话不存在则创建，否则更新，内部保证事务操作
 	SetUsersConversationFiledTx(ctx context.Context, userIDs []string, conversation *relationTb.ConversationModel, filedMap map[string]interface{}) error
-	CreateGroupChatConversation(ctx context.Context, groupID string, userIDs []string, maxSeq int64) error
+	CreateGroupChatConversation(ctx context.Context, groupID string, userIDs []string) error
 	GetConversationIDs(ctx context.Context, userID string) ([]string, error)
 	GetUserConversationIDsHash(ctx context.Context, ownerUserID string) (hash uint64, err error)
 	GetAllConversationIDs(ctx context.Context) ([]string, error)
@@ -213,7 +213,7 @@ func (c *conversationDatabase) FindRecvMsgNotNotifyUserIDs(ctx context.Context,
 	return c.cache.GetSuperGroupRecvMsgNotNotifyUserIDs(ctx, groupID)
 }
 
-func (c *conversationDatabase) CreateGroupChatConversation(ctx context.Context, groupID string, userIDs []string, maxSeq int64) error {
+func (c *conversationDatabase) CreateGroupChatConversation(ctx context.Context, groupID string, userIDs []string) error {
 	cache := c.cache.NewCache()
 	conversationID := utils.GetConversationIDBySessionType(constant.SuperGroupChatType, groupID)
 	if err := c.tx.Transaction(func(tx any) error {
@@ -224,7 +224,7 @@ func (c *conversationDatabase) CreateGroupChatConversation(ctx context.Context,
 		notExistUserIDs := utils.DifferenceString(userIDs, existConversationUserIDs)
 		var conversations []*relationTb.ConversationModel
 		for _, v := range notExistUserIDs {
-			conversation := relationTb.ConversationModel{ConversationType: constant.SuperGroupChatType, GroupID: groupID, OwnerUserID: v, ConversationID: conversationID, MaxSeq: maxSeq}
+			conversation := relationTb.ConversationModel{ConversationType: constant.SuperGroupChatType, GroupID: groupID, OwnerUserID: v, ConversationID: conversationID}
 			conversations = append(conversations, &conversation)
 		}
 		cache = cache.DelConversationIDs(notExistUserIDs...).DelUserConversationIDsHash(notExistUserIDs...)
@@ -234,7 +234,7 @@ func (c *conversationDatabase) CreateGroupChatConversation(ctx context.Context,
 				return err
 			}
 		}
-		_, err = c.conversationDB.UpdateByMap(ctx, existConversationUserIDs, conversationID, map[string]interface{}{"max_seq": maxSeq})
+		_, err = c.conversationDB.UpdateByMap(ctx, existConversationUserIDs, conversationID, map[string]interface{}{"max_seq": 0})
 		if err != nil {
 			return err
 		}
diff --git a/pkg/common/db/controller/msg.go b/pkg/common/db/controller/msg.go
index 415e69e32..9a59e9030 100644
--- a/pkg/common/db/controller/msg.go
+++ b/pkg/common/db/controller/msg.go
@@ -455,8 +455,10 @@ func (db *commonMsgDatabase) GetMsgBySeqsRange(ctx context.Context, userID strin
 	if err != nil && errs.Unwrap(err) != redis.Nil {
 		return 0, 0, nil, err
 	}
-	if userMaxSeq < maxSeq {
-		maxSeq = userMaxSeq
+	if userMaxSeq != 0 {
+		if userMaxSeq < maxSeq {
+			maxSeq = userMaxSeq
+		}
 	}
 	if begin < minSeq {
 		begin = minSeq