Hmm a found something interesting. Link:
Original news:
8.9号22:00盛世开服,全新的装备全新的怪物。
Translated:
22:00 No. 8.9 Golden Age opened clothes, new equipment, new monster.
Hmm. 8.9? 8th August? Maybe GM will add jangan cave tomorrow. I hope... I am not sure about that. I say you only what i found on website.