gomod update

go.mod

@@ -32,9 +32,9 @@ require (
 	github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475 // indirect
 	github.com/rifflock/lfshook v0.0.0-20180920164130-b9218ef580f5
 	github.com/sirupsen/logrus v1.6.0
-	github.com/skiffer-git/grpc-etcdv3 v1.0.6
 	github.com/tencentyun/qcloud-cos-sts-sdk v0.0.0-20210325043845-84a0811633ca
 	github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5 // indirect
+	go.etcd.io/etcd v0.0.0-20200402134248-51bdeb39e698
 	golang.org/x/image v0.0.0-20210220032944-ac19c3e999fb
 	golang.org/x/tools v0.0.0-20210106214847-113979e3529a // indirect
 	google.golang.org/grpc v1.33.2