diff --git a/src/plugin/admin/api/Install.php b/src/plugin/admin/api/Install.php
new file mode 100644
index 0000000..4741bec
--- /dev/null
+++ b/src/plugin/admin/api/Install.php
@@ -0,0 +1,93 @@
+<?php
+
+namespace plugin\admin\api;
+
+class Install
+{
+    /**
+     * 安装
+     *
+     * @param $version
+     * @return void
+     */
+    public static function install($version)
+    {
+        // 导入菜单
+        Menu::import(static::getMenus());
+    }
+
+    /**
+     * 卸载
+     *
+     * @param $version
+     * @return void
+     */
+    public static function uninstall($version)
+    {
+        // 删除菜单
+        foreach (static::getMenus() as $menu) {
+            Menu::delete($menu['name']);
+        }
+    }
+
+    /**
+     * 更新
+     *
+     * @param $from_version
+     * @param $to_version
+     * @param $context
+     * @return void
+     */
+    public static function update($from_version, $to_version, $context = null)
+    {
+        // 删除不用的菜单
+        if (isset($context['previous_menus'])) {
+            static::removeUnnecessaryMenus($context['previous_menus']);
+        }
+        // 导入新菜单
+        Menu::import(static::getMenus());
+    }
+
+    /**
+     * 更新前数据收集等
+     *
+     * @param $from_version
+     * @param $to_version
+     * @return array|array[]
+     */
+    public static function beforeUpdate($from_version, $to_version)
+    {
+        // 在更新之前获得老菜单，通过context传递给 update
+        return ['previous_menus' => static::getMenus()];
+    }
+
+    /**
+     * 获取菜单
+     *
+     * @return array|mixed
+     */
+    public static function getMenus()
+    {
+        clearstatcache();
+        if (is_file($menu_file = __DIR__ . '/../config/menu.php')) {
+            $menus = include $menu_file;
+            return $menus ?: [];
+        }
+        return [];
+    }
+
+    /**
+     * 删除不需要的菜单
+     *
+     * @param $previous_menus
+     * @return void
+     */
+    public static function removeUnnecessaryMenus($previous_menus)
+    {
+        $menus_to_remove = array_diff(Menu::column($previous_menus, 'name'), Menu::column(static::getMenus(), 'name'));
+        foreach ($menus_to_remove as $name) {
+            Menu::delete($name);
+        }
+    }
+
+}
\ No newline at end of file