使用\Yii::$app->user->isGuest; 登陆前状态为1 登陆后如下报错 [ 2.0 版本 ]

使用\Yii::$app->user->isGuest; 登陆前状态为1 登陆后 重新返回刷新登陆页面 就以下报错
没有user表，我数据库表是users。但是这个user是在哪里调用的？
Database Exception – yii\db\Exception

SQLSTATE[42S02]: Base table or view not found: 1146 Table 'qichunzhan.user' doesn't exist
The SQL being executed was: SELECT * FROM `user` WHERE (`id`='1') AND (`status`=10)
Error Info: Array
(
    [0] => 42S02
    [1] => 1146
    [2] => Table 'qichunzhan.user' doesn't exist
)
↵
Caused by: PDOException

SQLSTATE[42S02]: Base table or view not found: 1146 Table 'qichunzhan.user' doesn't exist

in /Users/chenqi/NetBeansProjects/WEB/GitOschina/qichunzhan/vendor/yiisoft/yii2/db/Command.php at line 839