应该写上
enctype="multipart/form-data"
<form class="form-horizontal" role="form" action="{{url('admin/article/store')}}" enctype="multipart/form-data" method="post">
应该写上
enctype="multipart/form-data"
<form class="form-horizontal" role="form" action="{{url('admin/article/store')}}" enctype="multipart/form-data" method="post">