An Error occurred while handling another error:
exception 'yii\base\InvalidRouteException' with message 'Unable to resolve the request "public/404".' in C:\wampto\www\yii2admin\vendor\yiisoft\yii2\base\Module.php:537
Stack trace:
#0 C:\wampto\www\yii2admin\vendor\yiisoft\yii2\web\ErrorHandler.php(97): yii\base\Module->runAction('public/404')
#1 C:\wampto\www\yii2admin\vendor\yiisoft\yii2\base\ErrorHandler.php(111): yii\web\ErrorHandler->renderException(Object(yii\web\NotFoundHttpException))
#2 [internal function]: yii\base\ErrorHandler->handleException(Object(yii\web\NotFoundHttpException))
#3 {main}
Previous exception:
exception 'yii\base\InvalidRouteException' with message 'Unable to resolve the request "yii2admin/web/".' in C:\wampto\www\yii2admin\vendor\yiisoft\yii2\base\Module.php:537
Stack trace:
#0 C:\wampto\www\yii2admin\vendor\yiisoft\yii2\web\Application.php(103): yii\base\Module->runAction('yii2admin/web/', Array)
#1 C:\wampto\www\yii2admin\vendor\yiisoft\yii2\base\Application.php(386): yii\web\Application->handleRequest(Object(common\core\Request))
#2 C:\wampto\www\yii2admin\web\index.php(24): yii\base\Application->run()
#3 {main}

Next exception 'yii\web\NotFoundHttpException' with message '页面未找到。' in C:\wampto\www\yii2admin\vendor\yiisoft\yii2\web\Application.php:115
Stack trace:
#0 C:\wampto\www\yii2admin\vendor\yiisoft\yii2\base\Application.php(386): yii\web\Application->handleRequest(Object(common\core\Request))
#1 C:\wampto\www\yii2admin\web\index.php(24): yii\base\Application->run()
#2 {main}

求助下楼主，怎么解决