Laravel @foreach在刀片上造成bug

嘿，這是一個laravel主頁應該顯示用戶從數據庫的任務列表，我有一個問題，在刷新頁面後，我不知道爲什麼，但它停止加載和顯示像我附在問題中的截圖。任何幫助？Laravel @foreach在刀片上造成bug

@extends('layouts.app') 
    @section('content') 

<div class="container"> 
    @include('flash::message') 

    <div class="panel panel-default"> 

     <div class="panel-heading">Dashboard</div> 

     <div class="panel-body"> 
      <!-- Check if the user has any tasks to show --> 
      @unless($tasks->isEmpty()) 
       @foreach($tasks as $task) 
        <ul class="list-group"> 
         <li class="list-group-item"> 
          <a class="{{ $task->state == 1 ? ' done-task':'' }}" href="{{url('/tasks',$task->id)}}"> 
           {!! $task->name !!} 
          </a> 
          <span class="badge">@if($task->priority == 3) 
            <i class="fa fa-flag fa-2x flag-important"></i> 
           @elseif($task->priority ==2) 
            <i class="fa fa-flag fa-2x flag-normal"></i> 
           @elseif($task->priority ==1) 
            <i class="fa fa-flag fa-2x flag-low"></i> 
           @endif</span></li> 
        </ul> 


        {{[email protected]($task->priority == 3) {{'list-group-item-danger'}} 
        @elseif($task->priority == 2){{' list-group-item-warning '}} 
        @elseif($task->priority == 1){{'list-group-item-success'}} 
        @endif--}} 
       @endforeach 
       @else 
        <h2 class="text-center">Nothing To show</h2> 
      @endunless 
     </div> 
    </div> 
    <a class="btn btn-success btn-block" href="{!! url('tasks/create') !!}">Create New Task</a> 
</div> 
@endsection

First Image (full load)