[sudo] cezs 的密码：
0.224 Connecting ...
0.333 LISTENING 127.0.0.1:9666
VPN MODE
30.673 CONNECTED
panic: runtime error: index out of range

goroutine 293 [running]:
pkg/http2tun.ResolveProtected(0xa8a46f0, 0x21, 0x1d, 0x84a06d1, 0x1)
   /home/osboxes/go/src/pkg/http2tun/vpn.go:196 +0x3a0
pkg/http2tun.resolve(0xa8a46f0, 0x21, 0x3, 0x3, 0x0, 0x0)
   /home/osboxes/go/src/pkg/http2tun/tlsconn.go:292 +0x3f8
pkg/http2tun.DialProxy(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa5e06c0, 0x1d, 0xa5e06e0, 0x1d, ...)
   /home/osboxes/go/src/pkg/http2tun/tlsconn.go:337 +0x145
pkg/http2tun.tlsConnect(0x0, 0x0, 0xa5e06c0, 0x1d, 0xa5e06e0, 0x1d, 0xa5e0700, 0x1d, 0x1, 0x0, ...)
   /home/osboxes/go/src/pkg/http2tun/tlsconn.go:121 +0x80
pkg/http2tun.DialNode(0x0, 0x0, 0xa5e06c0, 0x1d, 0xa5e06e0, 0x1d, 0xa5e0700, 0x1d, 0x1, 0x0, ...)
   /home/osboxes/go/src/pkg/http2tun/tlsconn.go:97 +0x25
pkg/http2tun.myDialTLS1(0x84a0dad, 0x3, 0xa8a46c0, 0x24, 0x5, 0xa8a46c0, 0x24, 0x0)
   /home/osboxes/go/src/pkg/http2tun/http2tun.go:502 +0x2b0
net/http.(*Transport).dialConn(0xa6109a0, 0x853a260, 0xa46c020, 0x0, 0x84a2005, 0x5, 0xa8a46c0, 0x24, 0xa5de808, 0x7, ...)
   /usr/local/go/src/net/http/transport.go:1213 +0x1371
net/http.(*Transport).getConn.func4(0xa6109a0, 0x853a260, 0xa46c020, 0xa8281e0, 0xa4566c0)
   /usr/local/go/src/net/http/transport.go:999 +0x3e
created by net/http.(*Transport).getConn
   /usr/local/go/src/net/http/transport.go:998 +0x339

今天，我这里也出现同样现象，

出现这个现象，就不能翻墙了，
网卡设备的 VPN 设置丢失，
可以上常人网，

现在还好用，浏览网页正常，只是速度稍慢，

ubuntu 20.04 ，gnome desktop，

引用
# ./u1807a -M vpn
0.300 Connecting ...
0.468 LISTENING 127.0.0.1:9666
VPN MODE
5.829 CONNECTED
128.907 Connecting ...
128.908 CONNECTED
612.644 Connecting ...
612.645 CONNECTED

ubuntu20.04 gnome3
不同时间试了几次，有两次可以浏览较长时间，最长一次使用50分钟左右，找到服务器还是有点慢，偶尔找到服务器还是马上几秒后不能使用。我用的代理模式