一些功能

app/api/controller/PublicController.php

@@ -57,7 +57,7 @@ class PublicController
             if (count($child)) $ress = array_merge($ress, ['children' => $child]);
             $res[] = $ress;
         }
-        print_r($res);
+        var_dump($res);
     }
 
     /**