已经设置了代理，为什么还是不通，默认还是golang.org

> 出现的问题 ``` go list -m: unrecognized import path "golang.org/x/crypto": https fetch: Get "https://golang.org/x/crypto?go-get=1": dial tcp 216.239.37.1:443: connectex: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. go list -m: unrecognized import path "golang.org/x/net": https fetch: Get "https://golang.org/x/net?go-get=1": dial tcp 216.239.37.1:443: connectex: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. go list -m: unrecognized import path "golang.org/x/sys": https fetch: Get "https://golang.org/x/sys?go-get=1": dial tcp 216.239.37.1:443: connectex: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. go list -m: unrecognized import path "golang.org/x/text": https fetch: Get "https://golang.org/x/text?go-get=1": dial tcp 216.239.37.1:443: connectex: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. ``` > 配置 ``` C:\Users\wuyd>go env set GO111MODULE=on set GOARCH=amd64 set GOBIN=C:\dev\lang\go\bin set GOCACHE=C:\Users\wuyd\AppData\Local\go-build set GOENV=C:\Users\wuyd\AppData\Roaming\go\env set GOEXE=.exe set GOFLAGS= set GOHOSTARCH=amd64 set GOHOSTOS=windows set GOINSECURE= set GONOPROXY= set GONOSUMDB= set GOOS=windows set GOPATH=C:\dev\lang\GOPATH set GOPRIVATE= set GOPROXY=https://goproxy.cn,direct set GOROOT=C:\dev\lang\go set GOSUMDB=sum.golang.google.cn set GOTMPDIR= set GOTOOLDIR=C:\dev\lang\go\pkg\tool\windows_amd64 set GCCGO=gccgo set AR=ar set CC=gcc set CXX=g++ set CGO_ENABLED=1 set GOMOD=NUL set CGO_CFLAGS=-g -O2 set CGO_CPPFLAGS= set CGO_CXXFLAGS=-g -O2 set CGO_FFLAGS=-g -O2 set CGO_LDFLAGS=-g -O2 set PKG_CONFIG=pkg-config set GOGCCFLAGS=-m64 -mthreads -fmessage-length=0 -fdebug-prefix-map=C:\Users\wuyd\AppData\Local\Temp\go-build138118094=/tmp/go-build -gno-record-gcc-switches ``` 为什么我会出现这种情况呢