@QAQ
晚上好！
（Bonjour is always suitable, don't worry 😉)
I hope the reason why you were away was not important or grievous, and that you are all right.
By the way, i found out how to type in chinese on my tab 🎉 and learned 3 words :
你好
晚上好
再见
(Do not hesitate to correct me if i'm wrong)
晚上好!