处理服务的默认值配置

rpc.go

@@ -73,6 +73,15 @@ func (r *request) AddService(serviceInfo *Service) error {
 	if nil == serviceInfo.SuccessHttpCodeList {
 		serviceInfo.SuccessHttpCodeList = []int{http.StatusOK}
 	}
+	if len(serviceInfo.CodeField) == 0 {
+		serviceInfo.CodeField = DefaultCodeField
+	}
+	if len(serviceInfo.DataField) == 0 {
+		serviceInfo.DataField = DefaultDataField
+	}
+	if len(serviceInfo.MessageField) == 0 {
+		serviceInfo.MessageField = DefaultMessageField
+	}
 	r.lock.Lock()
 	defer r.lock.Unlock()
 	if _, exist := r.serviceTable[serviceInfo.Flag]; exist {