What do you mean the attachment was deleted by SMS?

The reasons for deletion are as follows:

The information published by the publisher has been deleted, and you can no longer view it. There are several reasons:

1, the content of WeChat was deleted by the publisher himself, but the publisher can restore it if he wants.

2. This information violated some regulations of WeChat official account and was deleted by the system.

The information was reported, so it was deleted.

4. It may also be caused by your mobile phone network or other reasons.