diff --git a/core/service.go b/core/service.go
index e13b5d7..c9b4647 100644
--- a/core/service.go
+++ b/core/service.go
@@ -735,7 +735,7 @@ func (sh *serviceDescription) authorize(w http.ResponseWriter, r *http.Request)
 	// platform + id -> account id
 	createtime := primitive.NewDateTimeFromTime(time.Now().UTC())
 	link, err := sh.mongoClient.FindOneAndUpdate(CollectionLink, bson.M{
-		"platform": authtype,
+		"platform": reqauthtype,
 		"uid":      uid,
 	}, bson.M{
 		"$setOnInsert": bson.M{