更新代码

app/Models/Article.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Models;
+
+use App\Contracts\Advertable;
+use Illuminate\Database\Eloquent\Model;
+use RuLong\Panel\Models\Storage;
+
+class Article extends Model implements Advertable
+{
+    protected $fillable = ['title','description','content','storage_id','type'];
+
+    public function link()
+    {
+        return route('articles.show', $this);
+    }
+
+    public function storage()
+    {
+        return $this->belongsTo(Storage::class)->withDefault();
+    }
+
+}