In order to optimize the lag issue caused by the lack of backpack storage when some Players one-click receive all their rewards in the mailbox, we will adjust the corresponding mail expiration time in the July 6 update. The update details are listed as follows:
1. The validity of all mails is unified to 7 days. All mails will be emptied after 7 days regardless of whether the items in the mails are collected or not.
2. The mail collection countdown will be prompted on the last day. So please collect them in time.