部署完后，alerr-gateway 报错 about doraemon HOT 2 CLOSED

doraemon root:gcMWg6db5a1@tcp(172.16.183.147:3306)/
2021/02/05 16:43:13.477 [D] [db.go:21] Initialize database connection: root:****@tcp(172.16.183.147:3306)/
2021/02/05 16:43:13.499 [I] [asm_amd64.s:1337] http server Running on http://:8080
2021/02/05 16:43:55.815 [C] [panic.go:522] the request url is /api/v1
2021/02/05 16:43:55.815 [C] [panic.go:522] Handler crashed with error runtime error: invalid memory address or nil pointer dereference
2021/02/05 16:43:55.815 [C] [panic.go:522] /usr/local/go/src/runtime/panic.go:522
2021/02/05 16:43:55.815 [C] [panic.go:522] /usr/local/go/src/runtime/panic.go:82
2021/02/05 16:43:55.815 [C] [panic.go:522] /usr/local/go/src/runtime/signal_unix.go:390
2021/02/05 16:43:55.815 [C] [panic.go:522] /go/src/github.com/Qihoo360/doraemon/cmd/alert-gateway/routers/router.go:41
2021/02/05 16:43:55.815 [C] [panic.go:522] /go/src/github.com/Qihoo360/doraemon/cmd/alert-gateway/routers/router.go:41
2021/02/05 16:43:55.815 [C] [panic.go:522] /go/pkg/mod/github.com/astaxie/[email protected]/router.go:644
2021/02/05 16:43:55.815 [C] [panic.go:522] /go/pkg/mod/github.com/astaxie/[email protected]/router.go:730
2021/02/05 16:43:55.815 [C] [panic.go:522] /usr/local/go/src/net/http/server.go:2774
2021/02/05 16:43:55.815 [C] [panic.go:522] /usr/local/go/src/net/http/server.go:1878
2021/02/05 16:43:55.815 [C] [panic.go:522] /usr/local/go/src/runtime/asm_amd64.s:1337
2021/02/05 16:43:59.533 [C] [panic.go:522] the request url is /api/v1/login/username
2021/02/05 16:43:59.533 [C] [panic.go:522] Handler crashed with error runtime error: invalid memory address or nil pointer dereference
2021/02/05 16:43:59.533 [C] [panic.go:522] /usr/local/go/src/runtime/panic.go:522
2021/02/05 16:43:59.533 [C] [panic.go:522] /usr/local/go/src/runtime/panic.go:82
2021/02/05 16:43:59.533 [C] [panic.go:522] /usr/local/go/src/runtime/signal_unix.go:390
2021/02/05 16:43:59.533 [C] [panic.go:522] /go/src/github.com/Qihoo360/doraemon/cmd/alert-gateway/routers/router.go:41
2021/02/05 16:43:59.534 [C] [panic.go:522] /go/src/github.com/Qihoo360/doraemon/cmd/alert-gateway/routers/router.go:41
2021/02/05 16:43:59.534 [C] [panic.go:522] /go/pkg/mod/github.com/astaxie/[email protected]/router.go:644
2021/02/05 16:43:59.534 [C] [panic.go:522] /go/pkg/mod/github.com/astaxie/[email protected]/router.go:730
2021/02/05 16:43:59.534 [C] [panic.go:522] /usr/local/go/src/net/http/server.go:2774
2021/02/05 16:43:59.534 [C] [panic.go:522] /usr/local/go/src/net/http/server.go:1878
2021/02/05 16:43:59.534 [C] [panic.go:522] /usr/local/go/src/runtime/asm_amd64.s:1337

from doraemon.

因为文档里说sessionon 默认是false 所以我改了下。就是这个问题

from doraemon.