Yii2.0 Basic 安装出错 [ 2.0 版本 ]

用的basic版本 解压，配置好Nginx 访问就保这个错误了，求解决，在等~~~

PHP Warning – yii\base\ErrorException
register_shutdown_function(): Invalid shutdown callback '' passed in /home/phpmyadmin/wedding/vendor/yiisoft/yii2/log/Logger.php at line 121

    /**
     * Initializes the logger by registering [[flush()]] as a shutdown function.
     */
    public function init()
    {
        parent::init();
        register_shutdown_function(function () {
            // make sure "flush()" is called last when there are multiple shutdown functions
            register_shutdown_function([$this, 'flush'], true);
        });//这一行是121行
    }