fix: Optimize email service

[cheng102e]

[839536]

Thank you. Your email is received and will be handled  as soon as possible.

[JDragonZ]

这是来自QQ邮箱的假期自动回复邮件。   您好，我最近正在休假中，无法亲自回复您的邮件。我将在假期结束后，尽快给您回复。