Joke Collection Website - Public benefit messages - Why can I find the SMS list in the mobile app in the first half of the month, but I can't find it in the second half?

Why can I find the SMS list in the mobile app in the first half of the month, but I can't find it in the second half?

The reason why the SMS list in the mobile app can be found in the first half of the month but not in the second half is that it has been deleted.

What if you send this message? You must have found the message, but you can't find the content, but you can find the phone number you sent when you sent it.