can't show chinese charactor in some cases

Mail
1

some mail show in the right way:

but some show in this way:

Thanks! More information can be provided if needed.

2

Hello,
could you please export one of the emails with faulty characters and send it to [email protected]? Please add link to this forum topic to the message.

Regards,
Olivia

3

Thanks, I’ve sent an email, please check it.