refactor(apk): 将Apk控制器从Controller基类改为Api基类

- 替换app\common\controller\Api为Controller基类
- 继承Api基类以获得API控制器功能
- 移除无用的think\Controller导入
- 保持控制器基本结构不变

application/api/controller/Apk.php

@@ -2,11 +2,11 @@
 
 namespace app\api\controller;
 
+use app\common\controller\Api;
 use app\common\model\Attachment;
-use think\Controller;
 use think\Request;
 
-class Apk extends Controller
+class Apk extends Api
 {
     /**
      * 显示资源列表