野协程给新的model.Db

domain/model/group_m/room.go

@@ -80,6 +80,7 @@ func RoomLivingIn(model *domain.Model, groupUid string, userId uint64, externalI
 	}
 
 	go func(myContext *mycontext.MyContext, groupId string) {
+		model := domain.CreateModelContext(myContext) // 野协程给新的model.Db
 		roomOnlineUser, err := GetRoomOnlineUser(myContext, groupId)
 		if err != nil {
 			myContext.Log.Errorf("room RoomLivingIn roomOnlineUser err:%+v, groupUid:%v", err, groupId)