exception recovered: runtime error: invalid memory address or nil pointer dereference

runtime/debug.Stack()
	/usr/local/go/src/runtime/debug/stack.go:24 +0x65
golang.org/x/sync/singleflight.newPanicError({0x1330520?, 0xa093020})
	/home/pc/go/pkg/mod/golang.org/x/sync@v0.7.0/singleflight/singleflight.go:44 +0x2c
golang.org/x/sync/singleflight.(*Group).doCall.func2.1()
	/home/pc/go/pkg/mod/golang.org/x/sync@v0.7.0/singleflight/singleflight.go:193 +0x3b
panic({0x1330520, 0xa093020})
	/usr/local/go/src/runtime/panic.go:884 +0x213
github.com/ip2location/ip2location-go/v9.(*DB).query(_, {_, _}, _)
	/home/pc/go/pkg/mod/github.com/ip2location/ip2location-go/v9@v9.7.0/ip2location.go:919 +0xbb
github.com/ip2location/ip2location-go/v9.(*DB).Get_all(...)
	/home/pc/go/pkg/mod/github.com/ip2location/ip2location-go/v9@v9.7.0/ip2location.go:786
gtcms/utility/iploc.IPv4Loc({0xc083f39820?, 0x1a?})
	/home/pc/ng-workspace/gtcms/uapi/utility/iploc/iploc.go:67 +0x6a
gtcms/utility/iploc.IPLoc({0xc083f39820, 0xe})
	/home/pc/ng-workspace/gtcms/uapi/utility/iploc/iploc.go:84 +0x65
gtcms/internal/logic/utility.(*sUtility).GetIPCity(0xc02606d8c0?, {0x96730c0?, 0xc0056b4eb0?}, {0xc083f39820?, 0xc01d7f3bb0?})
	/home/pc/ng-workspace/gtcms/uapi/internal/logic/utility/utility.go:540 +0x2b
gtcms/internal/logic/spider.(*sSpider).IsSpider(0x13?, {0x96730c0, 0xc0a6596b00}, 0x0?, {0x2, {0xc01d7f3c30, 0xc}, {0xc083f39820, 0xe}, {0xc0010d7128, ...}, ...})
	/home/pc/ng-workspace/gtcms/uapi/internal/logic/spider/spider.go:231 +0x148
gtcms/internal/logic/site.(*sSite).GetSiteByDomainName.func1()
	/home/pc/ng-workspace/gtcms/uapi/internal/logic/site/site.go:137 +0x391
gtcms/internal/logic/site.(*sSite).GetSiteByDomainName(0xc000bf69c0, {0x96730c0, 0xc0a6596b00}, {0xc0010d7128, 0x13}, {0xc083f397e4, 0x12})
	/home/pc/ng-workspace/gtcms/uapi/internal/logic/site/site.go:173 +0x237
gtcms/internal/logic/utility.(*sUtility).Router(0xc082275ed8?, 0xc0a85a8640)
	/home/pc/ng-workspace/gtcms/uapi/internal/logic/utility/utility.go:138 +0x229
gtcms/internal/logic/middleware.(*sMiddleware).Router.func1()
	/home/pc/ng-workspace/gtcms/uapi/internal/logic/middleware/middleware.go:82 +0x34
golang.org/x/sync/singleflight.(*Group).doCall.func2(0xc091b1df1e, 0xc0ad338370, 0x7f1e8fcd0108?)
	/home/pc/go/pkg/mod/golang.org/x/sync@v0.7.0/singleflight/singleflight.go:198 +0x6f
golang.org/x/sync/singleflight.(*Group).doCall(0x13161a0?, 0xc02cef5b00?, {0xc07c6a8450?, 0x25?}, 0xc0a6596b70?)
	/home/pc/go/pkg/mod/golang.org/x/sync@v0.7.0/singleflight/singleflight.go:200 +0xa5
golang.org/x/sync/singleflight.(*Group).Do(0xc00aa82940, {0xc07c6a8450, 0x25}, 0xc00fbfae40?)
	/home/pc/go/pkg/mod/golang.org/x/sync@v0.7.0/singleflight/singleflight.go:113 +0x165
gtcms/internal/logic/middleware.(*sMiddleware).Router(0xc00aa82940, 0xc0a85a8640)
	/home/pc/ng-workspace/gtcms/uapi/internal/logic/middleware/middleware.go:81 +0x3a9
github.com/gogf/gf/v2/net/ghttp.(*middleware).Next.func1.1()
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_request_middleware.go:55 +0x25
github.com/gogf/gf/v2/net/ghttp.niceCallFunc(0x0?)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_func.go:61 +0x3e
github.com/gogf/gf/v2/net/ghttp.(*middleware).Next.func1({0x14c8982?, 0xd?})
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_request_middleware.go:54 +0xaa
github.com/gogf/gf/v2/util/gutil.Try({0x96730c0?, 0xc0a6596b00?}, 0x0?)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/util/gutil/gutil_try_catch.go:36 +0x71
github.com/gogf/gf/v2/util/gutil.TryCatch({0x96730c0, 0xc0a6596b00}, 0x89777b?, 0xc091b1e330)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/util/gutil/gutil_try_catch.go:49 +0x39
github.com/gogf/gf/v2/net/ghttp.(*middleware).Next(0xc0a85c8240)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_request_middleware.go:49 +0x154
gtcms/internal/logic/middleware.(*sMiddleware).HandlerResponse(0x0?, 0xc0a85a8640)
	/home/pc/ng-workspace/gtcms/uapi/internal/logic/middleware/middleware.go:194 +0x3a
github.com/gogf/gf/v2/net/ghttp.(*middleware).Next.func1.1()
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_request_middleware.go:55 +0x25
github.com/gogf/gf/v2/net/ghttp.niceCallFunc(0x0?)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_func.go:61 +0x3e
github.com/gogf/gf/v2/net/ghttp.(*middleware).Next.func1({0x34?, 0x151447c?})
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_request_middleware.go:54 +0xaa
github.com/gogf/gf/v2/util/gutil.Try({0x96730c0?, 0xc0a6596b00?}, 0x2e?)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/util/gutil/gutil_try_catch.go:36 +0x71
github.com/gogf/gf/v2/util/gutil.TryCatch({0x96730c0, 0xc0a6596b00}, 0x965b888?, 0xc091b1e6d0)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/util/gutil/gutil_try_catch.go:49 +0x39
github.com/gogf/gf/v2/net/ghttp.(*middleware).Next(0xc0a85c8240)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_request_middleware.go:49 +0x154
gtcms/internal/logic/middleware.(*sMiddleware).SetCORSOptions(0x0?, 0xc0a85a8640)
	/home/pc/ng-workspace/gtcms/uapi/internal/logic/middleware/middleware.go:253 +0x90
github.com/gogf/gf/v2/net/ghttp.(*middleware).Next.func1.1()
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_request_middleware.go:55 +0x25
github.com/gogf/gf/v2/net/ghttp.niceCallFunc(0x40474c?)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_func.go:61 +0x3e
github.com/gogf/gf/v2/net/ghttp.(*middleware).Next.func1({0x0?, 0x0?})
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_request_middleware.go:54 +0xaa
github.com/gogf/gf/v2/util/gutil.Try({0x96730c0?, 0xc0a6596b00?}, 0x22?)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/util/gutil/gutil_try_catch.go:36 +0x71
github.com/gogf/gf/v2/util/gutil.TryCatch({0x96730c0, 0xc0a6596b00}, 0x7f1e61fc02c0?, 0xc091b1ea30)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/util/gutil/gutil_try_catch.go:49 +0x39
github.com/gogf/gf/v2/net/ghttp.(*middleware).Next(0xc0a85c8240)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_request_middleware.go:49 +0x154
gtcms/internal/logic/middleware.(*sMiddleware).NeverDoneCtx(0x40dfe7?, 0xc0a85a8640)
	/home/pc/ng-workspace/gtcms/uapi/internal/logic/middleware/middleware.go:119 +0x15a
github.com/gogf/gf/v2/net/ghttp.(*middleware).Next.func1.5()
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_request_middleware.go:96 +0x2f
github.com/gogf/gf/v2/net/ghttp.niceCallFunc(0x571894?)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_func.go:61 +0x3e
github.com/gogf/gf/v2/net/ghttp.(*middleware).Next.func1({0xc00032dfb0?, 0x2a?})
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_request_middleware.go:95 +0x328
github.com/gogf/gf/v2/util/gutil.Try({0x9672ec8?, 0xc06a7b1f20?}, 0xc099e483c0?)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/util/gutil/gutil_try_catch.go:36 +0x71
github.com/gogf/gf/v2/util/gutil.TryCatch({0x9672ec8, 0xc06a7b1f20}, 0x0?, 0xc091b1edc8)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/util/gutil/gutil_try_catch.go:49 +0x39
github.com/gogf/gf/v2/net/ghttp.(*middleware).Next(0xc0a85c8240)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_request_middleware.go:49 +0x154
github.com/gogf/gf/v2/net/ghttp.internalMiddlewareServerTracing(0xc0a85a8640)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_middleware_tracing.go:79 +0x965
github.com/gogf/gf/v2/net/ghttp.(*middleware).Next.func1.5()
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_request_middleware.go:96 +0x2f
github.com/gogf/gf/v2/net/ghttp.niceCallFunc(0x571894?)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_func.go:61 +0x3e
github.com/gogf/gf/v2/net/ghttp.(*middleware).Next.func1({0x0?, 0xc0720c79c8?})
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_request_middleware.go:95 +0x328
github.com/gogf/gf/v2/util/gutil.Try({0x9672ec8?, 0xc06a7b1bc0?}, 0x0?)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/util/gutil/gutil_try_catch.go:36 +0x71
github.com/gogf/gf/v2/util/gutil.TryCatch({0x9672ec8, 0xc06a7b1bc0}, 0xc06a7b1bc0?, 0xc091b1f990)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/util/gutil/gutil_try_catch.go:49 +0x39
github.com/gogf/gf/v2/net/ghttp.(*middleware).Next(0xc0a85c8240)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_request_middleware.go:49 +0x154
github.com/gogf/gf/v2/net/ghttp.(*Server).ServeHTTP(0xc045351c00, {0x96718d0?, 0xc0a85b40e0}, 0xc046df4700)
	/home/pc/go/pkg/mod/github.com/gogf/gf/v2@v2.7.1/net/ghttp/ghttp_server_handler.go:88 +0x425
net/http.HandlerFunc.ServeHTTP(0x0?, {0x96718d0?, 0xc0a85b40e0?}, 0x46b1ce?)
	/usr/local/go/src/net/http/server.go:2122 +0x2f
net/http.serverHandler.ServeHTTP({0xc06a7b1a40?}, {0x96718d0, 0xc0a85b40e0}, 0xc046df4700)
	/usr/local/go/src/net/http/server.go:2936 +0x316
net/http.(*conn).serve(0xc0a25661b0, {0x9672ec8, 0xc02db43650})
	/usr/local/go/src/net/http/server.go:1995 +0x612
created by net/http.(*Server).Serve
	/usr/local/go/src/net/http/server.go:3089 +0x5ed