#981

fix bug

models/repo_tag.go

@@ -76,6 +76,10 @@ func UpdateTagReposByID(tagID, orgID int64, repoIdList []int64) error {
 		return err
 	}
 
+	if len(repoIdList) == 0 {
+		return sess.Commit()
+	}
+
 	//add new tag repos
 	data := make([]*OfficialTagRepos, 0)
 	for _, repoId := range repoIdList {