报错及出现项目根地址

panic: runtime error: invalid memory address or nil pointer dereference
[signal 0xc0000005 code=0x0 addr=0x40 pc=0x11edf08]

goroutine 1 [running]:
seeyon-exps/exploits.Sy07Scan(0xc00000e510, 0x2b)
        D:/code/Golang/src/seeyon-exps/exploits/sy07.go:19 +0x1e8
main.main()
        D:/code/Golang/src/seeyon-exps/main.go:79 +0x4a5