抓包下来是这样的
:method: GET
:scheme: https
:path: /1.1/classes/Loader?className=Loader&limit=1&where=%7B%22key%22%3A%7B%22%24regex%22%3A%22%5Eload_ticket%22%7D%7D
:authority: avoscloud.com
accept: application/json
accept-language: zh-cn
accept-encoding: br, gzip, deflate
user-agent: LeanCloud-Swift-SDK/16.1.0
x-lc-id: NECACk3YmXdaG9BIfSEtiXzB-gzGzoHsz
x-lc-sign: f53388f1c7b83d2a60ca21a6d40d3554,1561859734762
{
"code": 140,
"error": "今天的 API 调用总次数已超过开发版限制。"
}