实现基本聊天，能够进行一些基本的聊天内容，如果聊到里面没有收录的内容时，则会弹出一个对话框进行记录登入，并且能够收入未录入内容。(Achieve basic chat, to be able to carry out some basic chat content, if you talk about the contents did not included, it will pop up a dialog box for record login, and can not enter the