fix: go mod

go.mod

 module github.com/dubbogo/getty
 
 require (
-	github.com/AlexStocks/getty v1.0.4
 	github.com/AlexStocks/goext v0.3.2
-	github.com/AlexStocks/log4go v1.0.2
+	github.com/AlexStocks/log4go v1.0.2 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dubbogo/log4go v0.0.0-20190406152735-41c57e1073e9
-	github.com/fatih/camelcase v1.0.0 // indirect
-	github.com/fatih/structs v1.1.0 // indirect
-	github.com/gogo/protobuf v1.2.1
 	github.com/golang/snappy v0.0.1
 	github.com/gorilla/websocket v1.4.0
 	github.com/juju/errors v0.0.0-20190207033735-e65537c515d7
+	github.com/juju/loggo v0.0.0-20190212223446-d976af380377 // indirect
+	github.com/juju/testing v0.0.0-20180920084828-472a3e8b2073 // indirect
+	github.com/k0kubun/colorstring v0.0.0-20150214042306-9440f1994b88 // indirect
 	github.com/k0kubun/pp v3.0.1+incompatible // indirect
-	github.com/koding/multiconfig v0.0.0-20171124222453-69c27309b2d7
-	go.etcd.io/etcd v3.3.13+incompatible // indirect
+	github.com/kr/pretty v0.1.0 // indirect
+	github.com/mattn/go-colorable v0.1.1 // indirect
+	github.com/stretchr/testify v1.3.0 // indirect
 	golang.org/x/net v0.0.0-20190320064053-1272bf9dcd53
-	gopkg.in/yaml.v2 v2.2.2
+	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
+	gopkg.in/mgo.v2 v2.0.0-20180705113604-9856a29383ce // indirect
+	gopkg.in/yaml.v2 v2.2.2 // indirect
 )