update tutorial

app/Http/Requests/Admin/TutorialSave.php

@@ -10,7 +10,6 @@ class TutorialSave extends FormRequest
         'title' => 'required',
         // 1:windows 2:macos 3:ios 4:android 5:linux 6:router
         'category_id' => 'required|in:1,2,3,4,5,6',
-        'description' => 'required',
         'icon' => 'required'
     ];
     /**
@@ -29,7 +28,6 @@ class TutorialSave extends FormRequest
             'title.required' => '标题不能为空',
             'category_id.required' => '分类不能为空',
             'category_id.in' => '分类格式不正确',
-            'description.required' => '描述不能为空',
             'icon.required' => '图标不能为空'
         ];
     }