1. Fixed DNS panic
2. Fixed the issue of Trojan-grpc conversion being lost due to accidental deletion of Trojan conversion code (introduced in version 1203)

1. 修复dns panic
2. 修复误删trojan转换代码导致trojan-grpc转换丢失的问题(1203引入)

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