unknown property – yii\base\unknownpropertyexception
setting unknown property: yii\web\urlmanager::urlformat
回复内容： unknown property – yii\base\unknownpropertyexception
setting unknown property: yii\web\urlmanager::urlformat
enableprettyurl http://www.yiiframework.com/doc-2.0/yii-web-urlmanager.html
配置文件中关于 url manager 的配置写错了