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({0xc09ee806e0?, 0x1a?})
	/home/pc/ng-workspace/gtcms/uapi/utility/iploc/iploc.go:67 +0x6a
gtcms/utility/iploc.IPLoc({0xc09ee806e0, 0xe})
	/home/pc/ng-workspace/gtcms/uapi/utility/iploc/iploc.go:84 +0x65
gtcms/internal/logic/utility.(*sUtility).GetIPCity(0xc02606d8c0?, {0x96730c0?, 0xc0385fe0f0?}, {0xc09ee806e0?, 0xc01d7f3bb0?})
	/home/pc/ng-workspace/gtcms/uapi/internal/logic/utility/utility.go:540 +0x2b
gtcms/internal/logic/spider.(*sSpider).IsSpider(0x13?, {0x96730c0, 0xc0098b1090}, 0x0?, {0x2, {0xc01d7f3c30, 0xc}, {0xc09ee806e0, 0xe}, {0xc041b40870, ...}, ...})
	/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, 0xc0098b1090}, {0xc041b40870, 0x13}, {0xc09ee806c4, 0x11})
	/home/pc/ng-workspace/gtcms/uapi/internal/logic/site/site.go:173 +0x237
gtcms/internal/logic/utility.(*sUtility).Router(0xc052a8fed8?, 0xc052ce3e00)
	/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(0xc06890ff1e, 0xc056245360, 0x7f1e8fcd0a68?)
	/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?, {0xc0be5d27b0?, 0x24?}, 0xc0098b11e0?)
	/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, {0xc0be5d27b0, 0x24}, 0xc0b2920c40?)
	/home/pc/go/pkg/mod/golang.org/x/sync@v0.7.0/singleflight/singleflight.go:113 +0x165
gtcms/internal/logic/middleware.(*sMiddleware).Router(0xc00aa82940, 0xc052ce3e00)
	/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({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?, 0xc0098b1090?}, 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, 0xc0098b1090}, 0x89777b?, 0xc068910330)
	/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(0xc08f5e4c20)
	/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?, 0xc052ce3e00)
	/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?, 0xc0098b1090?}, 0x3a?)
	/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, 0xc0098b1090}, 0x965b888?, 0xc0689106d0)
	/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(0xc08f5e4c20)
	/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?, 0xc052ce3e00)
	/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?, 0xc0098b1090?}, 0x14?)
	/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, 0xc0098b1090}, 0x7f1e67d72838?, 0xc068910a30)
	/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(0xc08f5e4c20)
	/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?, 0xc052ce3e00)
	/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?, 0xc08fa86060?}, 0xc073736c00?)
	/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, 0xc08fa86060}, 0x0?, 0xc068910dc8)
	/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(0xc08f5e4c20)
	/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(0xc052ce3e00)
	/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?, 0xc01dac99c8?})
	/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?, 0xc04d737da0?}, 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, 0xc04d737da0}, 0xc04d737da0?, 0xc068911990)
	/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(0xc08f5e4c20)
	/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?, 0xc0505db880}, 0xc03772c400)
	/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?, 0xc0505db880?}, 0x46b1ce?)
	/usr/local/go/src/net/http/server.go:2122 +0x2f
net/http.serverHandler.ServeHTTP({0xc04d737c50?}, {0x96718d0, 0xc0505db880}, 0xc03772c400)
	/usr/local/go/src/net/http/server.go:2936 +0x316
net/http.(*conn).serve(0xc04c4377a0, {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