update

attribute/attribute.go

@@ -34,6 +34,10 @@ func Init() error {
 }
 
 func Add(Key, Description, Default string) error {
+	result := store.DB.Exec(`select "value" from "attributes" where "key" = ?`, Key)
+	if result.RowsAffected != 0 {
+		return nil
+	}
 	a := &Attribute{
 		Key:         Key,
 		Description: Description,