Nodejs structures, board games, around one over one thousand of probability are the following problems: the player to play in the process of from the game room to pops up in the hall, and then the player to exit the app, open again, can't get into the room, repeat to restart the app, or can't get into the room, the room until dissolved, the user can re-create join room, play, by looking at the server log, found that a player can't get into the room because the socket connection, restart the app is still not successful, only the room upon dissolution, can be normal operation, thank you for your answer, thank you very much!