Why doesn't allow use Chinese in username of consumer?

[iSuperCoder]

为什么不允许消费者的用户名里包含中文呢？

[juzhiyuan]

Hi, here is the Consumer's username field RegExp https://github.com/apache/apisix/blob/master/apisix/schema_def.lua#L693

As for why it doesn't allow Chinese characters, I'm not sure 🤔