diff --git a/core/service.go b/core/service.go
index 2c4387a..833f802 100644
--- a/core/service.go
+++ b/core/service.go
@@ -372,6 +372,7 @@ func (sh *serviceDescription) link(w http.ResponseWriter, r *http.Request) {
 	if err != nil {
 		logger.Error("getProviderInfo failed :", err)
 		w.WriteHeader(http.StatusBadRequest)
+		return
 	}
 
 	createtime := primitive.NewDateTimeFromTime(time.Now().UTC())
@@ -628,6 +629,7 @@ func (sh *serviceDescription) authorize(w http.ResponseWriter, r *http.Request)
 			if err != nil {
 				logger.Error("getProviderInfo failed :", err)
 				w.WriteHeader(http.StatusBadRequest)
+				return
 			}
 
 			if authtype != newType || uid != newId {