Yii2 如何设置首页 'urlManager' => [ 'rules' => [ '' => 'cms/home/index', ], ],'urlManager' => [ 'rules' => [ '' => 'cms/home/index', ], ],'urlManager' => [ 'rules' => [ '' => 'cms/home/index', ], ], 上面是yii2添加首页的例子： 譬如我想把 cms/home/index 设置成首页，那么我在urlManger组件中 添加rules就可以了。