支持ＵＢＢ代码，可在留言簿中插入小图标，具有悄悄话功能，可判断用户输入邮件地址正确性，具有留言预览功能-Support UBB code can be inserted in the book in a small icon with a private message function, the user can determine the correctness of input e-mail address with the message preview