How to write an announcement in the learning group

For newcomers entering the group, please change the vest:
Male: Fanxing ◇ XX
Female: Shuo Moon ◆ XX
Two cards;
Note:
1. Forbidden to spread bad information, direct T;
2, prohibit group, advertisement, direct T;
3, prohibit rough mouth, forbidden for the first time, forbidden words for the first time, forbidden words for the first time, forbidden words for the first time, forbidden words for the first time, forbidden words for the first time, forbidden words for the first time. , The second time t;
4, other later supplements.
This is my group announcement, probably:
1, vest format
2, precautions
3, group meaning