服务端空指针错误

[lovelyjuice]

服务端时不时报错，然后停止运行，是不是网络不稳定的问题？

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x28 pc=0xb1b47f]

goroutine 24 [running]:
github.com/CTF-MissFeng/GoScan/Web/library/nsq/suddomain.subDomainPush(0xc000032380, 0x2, 0x4, 0x5, 0xffffffffffffffff)
        /Users/miss/data/Project/go/github.com/CTF-MissFeng/GoScan/Web/library/nsq/suddomain/subdomain.go:77 +0x1bf
github.com/CTF-MissFeng/GoScan/Web/library/nsq/suddomain.(*Handler).HandleMessage(0xc0002d2780, 0xc0005821e0, 0xd821c0, 0xc0002d2780)
        /Users/miss/data/Project/go/github.com/CTF-MissFeng/GoScan/Web/library/nsq/suddomain/subdomain.go:66 +0x17f
github.com/nsqio/go-nsq.(*Consumer).handlerLoop(0xc00020c580, 0xfce820, 0xc0002d2780)
        /Users/miss/go/pkg/mod/github.com/nsqio/go-nsq@v1.0.8/consumer.go:1113 +0x13f
created by github.com/nsqio/go-nsq.(*Consumer).AddConcurrentHandlers
        /Users/miss/go/pkg/mod/github.com/nsqio/go-nsq@v1.0.8/consumer.go:1095 +0x7b