reverted a prior change.

config/web.php

@@ -38,10 +38,6 @@ $config = [
             ],
         ],
         'db' => require(__DIR__ . '/db.php'),
-        'urlManager' => [
-            'enablePrettyUrl' => true,
-            'showScriptName' => false,
-        ],
     ],
     'params' => $params,
 ];