1. Improved DNS DHCP
2. Added blocking of invalid DNS requests

1. 改进dns dhcp
2. 增加无效dns请求拦截

IOS/TvOS AppStore: (Search Keywords: karing vpn) https://apps.apple.com/us/app/karing/id6472431552 IOS/TvOS TestFlight: https://testflight.apple.com/join/RLU59OsJ