在普通对话时，可以点右上角的用户头像，点“…”，然后选择启用自动删除，之后选择想要自动清除聊天记录的时间即可。 ● 成员/订阅者是否可以相互联系。在一个频道中，用户无法得到其他订阅者的资料，更不能联系他们。在一个群组中，用户可以批量联系�

, In the event the administrator can include new administrators which has a subset of their unique privileges or demote administrators that they may have promoted, specifically or indirectly (promoted by administrators that were appointed because of the user) exceptional identifier with the target chat or username of your concentrate on channel (f