fix: update penet

go.mod

@@ -4,9 +4,8 @@ go 1.15
 
 require (
 	github.com/codahale/chacha20 v0.0.0-20151107025005-ec07b4f69a3f
-	github.com/dearplain/penet v0.1.0
+	github.com/dearplain/penet v0.1.1
 	github.com/isayme/go-shadowsocks v0.2.1
 	github.com/shadowsocks/shadowsocks-go v0.0.0-20200409064450-3e585ff90601
-	github.com/siddontang/go v0.0.0-20180604090527-bdc77568d726 // indirect
 	golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83
 )

go.sum

@@ -4,10 +4,8 @@ github.com/codahale/chacha20 v0.0.0-20151107025005-ec07b4f69a3f h1:GnkFLgLBj4MDb
 github.com/codahale/chacha20 v0.0.0-20151107025005-ec07b4f69a3f/go.mod h1:2EU+1emidIWL7uTbVXfPFlgYxYo3TGHz+ElH1Tp5GT0=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dearplain/penet v0.0.0-20210222095234-248e6ca5ff4f h1:/NR17WEE7++nRLOTD2aK28GD/a6RooROrUNYHHTOLhI=
-github.com/dearplain/penet v0.0.0-20210222095234-248e6ca5ff4f/go.mod h1:2/YB9Uk8w6+Ks6Gb7/HUCFf3lm2K1cJxHmD7IbY19PA=
-github.com/dearplain/penet v0.1.0 h1:hFXlyXig61wgik/UldFY/LJ9LbUlo3ymI8M0fF7LdSA=
-github.com/dearplain/penet v0.1.0/go.mod h1:2/YB9Uk8w6+Ks6Gb7/HUCFf3lm2K1cJxHmD7IbY19PA=
+github.com/dearplain/penet v0.1.1 h1:Qvol2vgHUZzWXT0lZTylvHmdt+ymAL4MeaJdOvpJeeM=
+github.com/dearplain/penet v0.1.1/go.mod h1:fzV78whJUqjPe4mRPhm7gAIyDIw3If+h5Bcd96Uq1Dk=
 github.com/isayme/go-config v0.0.0-20190209132515-066212c0ce1b/go.mod h1:gCBIBrmj+N81NzvevhA/FGMY9jUR+WpvwuS3mP5fmC4=
 github.com/isayme/go-logger v0.1.0/go.mod h1:53zvc0cz+ZjVqZgq1Sb4HEEzl/BPjoLA9xKv5L/XvE4=
 github.com/isayme/go-shadowsocks v0.2.1 h1:b/h+iWExyBLWe4WUOGfdbmregV+0OpVqYt7sfFQTYOs=