[增添]添加了datasource的setting数据库以及默认值

vendor/league/uri-interfaces/Exceptions/MissingFeature.php

@@ -0,0 +1,21 @@
+<?php
+
+/**
+ * League.Uri (https://uri.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Uri\Exceptions;
+
+use League\Uri\Contracts\UriException;
+use RuntimeException;
+
+class MissingFeature extends RuntimeException implements UriException
+{
+}