添加coverurl

app/Model/v3/Category.php

@@ -13,7 +13,8 @@ class Category extends Model
     protected $table = 'lanzu_category';
 
     protected $appends = [
-        'goods_types'
+        'goods_types',
+        'cover_url'
     ];
 
     protected function boot(): void
@@ -28,4 +29,15 @@ class Category extends Model
     {
         return self::query()->where(['parent_id' => $this->attributes['id']])->orderBy('sort', 'desc')->get()->toArray();
     }
+    
+    public function getCoverUrlAttribute()
+    {
+        $url = $this->attributes['cover_img'];
+
+        if(strripos($url,"http") === false){
+            return config('alioss.img_host').'/'.$url;
+        }else{
+            return $url;
+        }
+    }
 }