Changelog
- f90f530 - use out ip to query country - query country failed then use myip's country name - fixed bug of checking proxy level
- a55cbdd - use out ip to query country - query country failed then use myip's country name - fixed bug of checking proxy level
- fe52798 add worker pool
- 01166dd 修改代理级别显示为字符串
- ee2dc16 增加代理成功后的空闲超时机制
- 9fd7115 解决奔溃的问题
- 99637c0 配置项提取出来