取消https验证，并添加vendor文件夹。

vendor/league/flysystem/src/Plugin/ListPaths.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace League\Flysystem\Plugin;
+
+class ListPaths extends AbstractPlugin
+{
+    /**
+     * Get the method name.
+     *
+     * @return string
+     */
+    public function getMethod()
+    {
+        return 'listPaths';
+    }
+
+    /**
+     * List all paths.
+     *
+     * @param string $directory
+     * @param bool   $recursive
+     *
+     * @return string[] paths
+     */
+    public function handle($directory = '', $recursive = false)
+    {
+        $result = [];
+        $contents = $this->filesystem->listContents($directory, $recursive);
+
+        foreach ($contents as $object) {
+            $result[] = $object['path'];
+        }
+
+        return $result;
+    }
+}