更新

app/Admin/Controllers/BannerController.php

@@ -22,6 +22,7 @@ class BannerController extends AdminController
             $grid->column('title');
             $grid->column('img_url')->image('',50);
             $grid->column('site')->using(['1'=>'动态首页']);
+            $grid->column('url');
             $grid->column('status')->switch();
             $grid->column('created_at');
             $grid->column('updated_at')->sortable();
@@ -47,6 +48,7 @@ class BannerController extends AdminController
             $show->field('title');
             $show->field('img_url')->image();
             $show->field('site')->using(['1'=>'动态首页']);
+            $show->field('url');
             $show->field('status')->using(['隐藏','显示']);
             $show->field('created_at');
             $show->field('updated_at');
@@ -65,6 +67,7 @@ class BannerController extends AdminController
             $form->text('title');
             $form->image('img_url')->uniqueName()->removable(false);
             $form->radio('site')->options(['1'=>'动态首页'])->default(1);
+            $form->text('url')->help('以http://或者https://开头');
             $form->switch('status')->options([0=>"隐藏",1=>"显示"])->default(1);
 
             $form->display('created_at');

resources/lang/zh_CN/banner.php

@@ -8,6 +8,7 @@ return [
         'title' => '名称',
         'img_url' => '图片展示',
         'site' => '位置',
+        'url' => '跳转链接',
         'status' => '状态',
     ],
     'options' => [