修复数据填充默认缺少一个文件

Author: renchao

database/seeds/DatabaseSeeder.php

@@ -0,0 +1,14 @@
+<?php
+
+use W7\DatabaseTool\Seed\Seeder;
+
+class DatabaseSeeder extends Seeder {
+	/**
+	 * Run the database seeds.
+	 *
+	 * @return void
+	 */
+	public function run() {
+		//
+	}
+}