diff --git a/go.mod b/go.mod
index 78ed767d7..ea1f058f2 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module OpenIM
 
-go 1.16
+go 1.18
 
 require (
 	firebase.google.com/go v3.13.0+incompatible
diff --git a/pkg/discoveryregistry/discovery_register.go b/pkg/discoveryregistry/discovery_register.go
index dd5e40f77..45d2ff2ea 100644
--- a/pkg/discoveryregistry/discovery_register.go
+++ b/pkg/discoveryregistry/discovery_register.go
@@ -13,8 +13,3 @@ type SvcDiscoveryRegistry interface {
 	RegisterConf2Registry(key string, conf []byte) error
 	GetConfFromRegistry(key string) ([]byte, error)
 }
-
-func GetConns(serviceName string) {
-	GetConns(serviceName string, opts ...grpc.DialOption) ([]*grpc.ClientConn, error)
-
-}
\ No newline at end of file