How to remind owners to send advertisements indiscriminately?

1. Welcome. The members of this group are all owners of XX community. If there is a problem, we can solve it together. Therefore, in order to maintain the good order of this group, please don't send private messages.

2. This group is the owner group of XX community. Please don't post some advertising information without permission.

3. Advertising is prohibited in this owner group! This group owner forbids advertising! Advertising is forbidden in this chamber pot group! Say the important things three times! Offenders are warned once, found twice and kicked out of the group directly.