新增一个功能：同一通讯录的同一个邮箱的不同个人信息直接合并，发生冲突时让用户选择
A new function: different personal information of the same mailbox in the same address book is directly merged, allowing users to choose in the event of conflict.
新建一个功能：能将附件直接复制进入邮件并将邮件标题自动设置为附件的文件名字
Create a new function: can copy attachments directly into the mail and automatically set the message title to the file name of the attachment
