Pay运行时出错: panic: runtime error: invalid memory address or nil pointer dereference

[refiny]

在运行Pay项目时，报出如下错误：

2022-02-16 05:54:04.022208018   INFO    cmd/main.go:81  ▶ [main] das core ok

2022-02-16 05:54:04.022265639   INFO    cmd/main.go:84  ▶ [main] parser ok

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x10 pc=0xc40503]

goroutine 1 [running]:
main.runServer(0xc00054c620)
        /data/das/das-pay-1.0.2/cmd/main.go:88 +0x223
github.com/urfave/cli/v2.(*App).RunContext(0xc0002d44e0, {0xfd2c50, 0xc00011c000}, {0xc000130000, 0x2, 0x2})
        /data/das/das-pay-1.0.2/vendor/github.com/urfave/cli/v2/app.go:322 +0x7a8
github.com/urfave/cli/v2.(*App).Run(...)
        /data/das/das-pay-1.0.2/vendor/github.com/urfave/cli/v2/app.go:224
main.main()
        /data/das/das-pay-1.0.2/cmd/main.go:45 +0x1b0

所使用的版本为： 1.0.2