diff --git a/internal/rpc/group/group.go b/internal/rpc/group/group.go
index 89a680452..064448432 100644
--- a/internal/rpc/group/group.go
+++ b/internal/rpc/group/group.go
@@ -907,6 +907,7 @@ func (s *groupServer) GroupApplicationResponse(_ context.Context, req *pbGroup.G
 			c.ConversationType = int32(sessionType)
 			c.GroupID = req.GroupID
 			c.IsNotInGroup = false
+			c.UpdateUnreadCountTime = utils.GetCurrentTimestampByMill()
 		} else {
 			c.OwnerUserID = conversation.OwnerUserID
 			c.ConversationID = utils.GetConversationIDBySessionType(req.GroupID, sessionType)
@@ -919,7 +920,6 @@ func (s *groupServer) GroupApplicationResponse(_ context.Context, req *pbGroup.G
 			c.GroupAtType = conversation.GroupAtType
 			c.IsNotInGroup = false
 			c.Ex = conversation.Ex
-			c.UpdateUnreadCountTime = utils.GetCurrentTimestampByMill()
 		}
 		reqPb.Conversation = &c
 		etcdConn := getcdv3.GetDefaultConn(config.Config.Etcd.EtcdSchema, strings.Join(config.Config.Etcd.EtcdAddr, ","), config.Config.RpcRegisterName.OpenImUserName, req.OperationID)