Help me to get control of our guild! (CN-Classic)

GM,help me change classic guild.
Guild Name: 丨梦染星空丨
Faction: Horde
Region : China
Realm: 觅心者
This is guild page https://classic.warcraftlogs.com/guild/cn/觅心者/丨梦染星空丨

I think guild id in database id is 500235

My english is not very good, hope you can understand