fix

protocol/rest/rest_protocol.go

@@ -31,7 +31,11 @@ type RestProtocol struct {
 }
 
 func NewRestProtocol() *RestProtocol {
-	return &RestProtocol{}
+	return &RestProtocol{
+		BaseProtocol: protocol.NewBaseProtocol(),
+		serverMap:    make(map[string]rest_interface.RestServer),
+		clientMap:    make(map[rest_interface.RestOptions]rest_interface.RestClient),
+	}
 }
 
 func (rp *RestProtocol) Export(invoker protocol.Invoker) protocol.Exporter {

protocol/rest/rest_protocol_test.go

@@ -25,7 +25,9 @@ func TestRestProtocol_Refer(t *testing.T) {
 	}
 	config.SetConsumerConfig(con)
 	configMap := make(map[string]*rest_interface.RestConfig)
-	configMap["com.ikurento.user.UserProvider"] = &rest_interface.RestConfig{}
+	configMap["com.ikurento.user.UserProvider"] = &rest_interface.RestConfig{
+		Client: "resty",
+	}
 	SetRestConsumerServiceConfigMap(configMap)
 	invoker := proto.Refer(url)