sign是短信前边的“时光相册”吗?还是有什么特殊的生成规则呢?
curl -X POST 'https://api.leancloud.cn/1.1/requestSmsCode' -d '{"mobilePhoneNumber":"+86XXXXXX", "template":"0623 工程化test2", "username": "zz", "photoCount":"10", "sign":"时光相册"}' -H "Content-Type: application/json" -H "X-LC-Id:PHC*********Hsz" -H "X-LC-Key:sQR**********kgzE" 这样的调用还是失败