Errors about customizing Relay Server

[Kry1702]

Describe the bug

<-- A clear and concise description of what the bug is. --> Error when receiving file.

To Reproduce

Steps to reproduce the behavior:

1. croc relay --ports 3001 2.croc --relay 192.168.39.83:3001 send env.file
2. Receiver executes “croc --relay 192.168.39.83:3001 4572-prism-sleep-escape” ，The error message is as follows

securing channel...panic: comm.NewConnection failed: dial tcp: lookup tcp/ok: getaddrinfow: The specified class was not found.

goroutine 22 [running]:
github.com/schollz/croc/v9/src/croc.(*Client).processMessagePake.func1(0x0)
        /home/zns/Documents/croc/src/croc/croc.go:1180 +0x4f8
created by github.com/schollz/croc/v9/src/croc.(*Client).processMessagePake
        /home/zns/Documents/croc/src/croc/croc.go:1160 +0x7ec

sender error

panic: comm.NewConnection failed: dial tcp: address tcp/ok: unknown port

goroutine 64 [running]:
github.com/schollz/croc/v9/src/croc.(*Client).processMessagePake.func1(0x0)
	/home/zns/Documents/croc/src/croc/croc.go:1174 +0x4f5
created by github.com/schollz/croc/v9/src/croc.(*Client).processMessagePake
	/home/zns/Documents/croc/src/croc/croc.go:1154 +0x7ec

``


## Version
<-- Check "croc -v" and report it -->
croc version v9.6.2-3b8193

[schollz]

I cannot reproduce this error.

Are you sure your relay address is available from the sender?

[github-actions[bot]]

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