向发送验证码,并返回发送的验证码
curl --location --request GET 'https://db.yearnstudio.cn/sendnum/yearnstudio@outlook.com?Logon=root&Passwd=8d969eef6ecad3c29a3a629280e686cf0c3f5d5a86aff3ca12020c923adc6c92'
XXXXXX(6位数字验证码)