locale + exam assign and checkout cronjob

resources/lang/zh_CN/auth.php

@@ -0,0 +1,17 @@
+<?php
+
+return [
+    /*
+    |--------------------------------------------------------------------------
+    | Authentication Language Lines
+    |--------------------------------------------------------------------------
+    |
+    | The following language lines are used during authentication for various
+    | messages that we need to display to the user. You are free to modify
+    | these language lines according to your application's requirements.
+    |
+    */
+
+    'failed'   => '用户名或密码错误',
+    'throttle' => '您尝试的登录次数过多，请 :seconds 秒后再试。',
+];