文件还在测试中

app/Controllers/PSI/UsersController.php

@@ -0,0 +1,12 @@
+<?php
+namespace App\Controllers\PSI;
+
+use App\Controllers\Subsys\UsersController as BaseUsersController;
+
+class UsersController extends BaseUsersController
+{
+    protected function sys(): string
+    {
+        return 'psi';
+    }
+}