diff --git a/database/migrations/20200318084219_add_admin_list_field.php b/database/migrations/20200318084219_add_admin_list_field.php
new file mode 100644
index 0000000..c20bca1
--- /dev/null
+++ b/database/migrations/20200318084219_add_admin_list_field.php
@@ -0,0 +1,39 @@
+<?php
+
+use think\migration\Migrator;
+use Phinx\Db\Adapter\MysqlAdapter;
+
+class AddAdminListField extends Migrator {
+    /**
+     * Change Method.
+     *
+     * Write your reversible migrations using this method.
+     *
+     * More information on writing migrations is available here:
+     * http://docs.phinx.org/en/latest/migrations.html#the-abstractmigration-class
+     *
+     * The following commands can be used in this method and Phinx will
+     * automatically reverse them when rolling back:
+     *
+     *    createTable
+     *    renameTable
+     *    addColumn
+     *    renameColumn
+     *    addIndex
+     *    addForeignKey
+     *
+     * Remember to call "create()" or "update()" and NOT "save()" when working
+     * with the Table class.
+     */
+    public function up() {
+        $this->table('admin_list')->addColumn('hash_type', 'string', [
+            'limit'   => MysqlAdapter::INT_TINY,
+            'default' => 2,
+            'comment' => '是否采用hash映射, 1:普通模式 2:加密模式'
+        ])->save();
+    }
+
+    public function down() {
+        $this->table('admin_list')->removeColumn('hash_type')->save();
+    }
+}