修复seeder错误；删除第三方的think迁移工具，在extend中重新实现；

extend/phinx/Db/Adapter/WrapperInterface.php

@@ -0,0 +1,39 @@
+<?php
+
+/**
+ * MIT License
+ * For full license information, please view the LICENSE file that was distributed with this source code.
+ */
+
+namespace Phinx\Db\Adapter;
+
+/**
+ * Wrapper Interface.
+ *
+ * @author Woody Gilk <woody.gilk@gmail.com>
+ */
+interface WrapperInterface
+{
+    /**
+     * Class constructor, must always wrap another adapter.
+     *
+     * @param \Phinx\Db\Adapter\AdapterInterface $adapter Adapter
+     */
+    public function __construct(AdapterInterface $adapter);
+
+    /**
+     * Sets the database adapter to proxy commands to.
+     *
+     * @param \Phinx\Db\Adapter\AdapterInterface $adapter Adapter
+     * @return \Phinx\Db\Adapter\AdapterInterface
+     */
+    public function setAdapter(AdapterInterface $adapter): AdapterInterface;
+
+    /**
+     * Gets the database adapter.
+     *
+     * @throws \RuntimeException if the adapter has not been set
+     * @return \Phinx\Db\Adapter\AdapterInterface
+     */
+    public function getAdapter(): AdapterInterface;
+}