diff --git a/app/Model/ArticleScience.php b/app/Model/ArticleScience.php
index 916015c..5f0d672 100644
--- a/app/Model/ArticleScience.php
+++ b/app/Model/ArticleScience.php
@@ -18,11 +18,14 @@ use Hyperf\Snowflake\Concern\Snowflake;
  * @property string $article_title 文章标题
  * @property int $article_status 文章状态（1:正常 2:禁用）
  * @property int $is_top 是否置顶（0:否 1:是）
+ * @property int $sort 排序值（越大越靠前）
  * @property string $article_image 文章图片（1张）
  * @property int $source_id 文章来源id
  * @property string $article_url 文章地址
- * @property Carbon $created_at 创建时间
- * @property Carbon $updated_at 修改时间
+ * @property \Carbon\Carbon $created_at 创建时间
+ * @property \Carbon\Carbon $updated_at 修改时间
+ * @property-read ArticleScienceSource|null $ArticleScienceSource 
+ * @property-read \Hyperf\Database\Model\Collection|ArticleScienceClass[]|null $ArticleScienceClass 
  */
 class ArticleScience extends Model
 {
@@ -36,7 +39,7 @@ class ArticleScience extends Model
     /**
      * The attributes that are mass assignable.
      */
-    protected array $fillable = ['article_id', 'article_title', 'article_status', 'is_top', 'article_image', 'source_id', 'article_url', 'created_at', 'updated_at'];
+    protected array $fillable = ['article_id', 'article_title', 'article_status', 'is_top', 'sort', 'article_image', 'source_id', 'article_url', 'created_at', 'updated_at'];
 
     protected string $primaryKey = "article_id";
 
@@ -108,7 +111,7 @@ class ArticleScience extends Model
                 $query->where($article_science_class_params);
             });
 
-        $result = $query->orderBy("is_top","desc")->orderBy("created_at","desc")->paginate($per_page, $fields, "page", $page);
+        $result = $query->orderBy("is_top","desc")->orderBy("sort","desc")->paginate($per_page, $fields, "page", $page);
 
         $data = array();
         $data['current_page'] = $result->currentPage();// 当前页码
@@ -148,7 +151,7 @@ class ArticleScience extends Model
                 $query->where($article_science_class_params);
             });
 
-        $data = $query->orderBy("is_top","desc")->orderBy("created_at","desc")->limit($limit)->get($fields);
+        $data = $query->orderBy("is_top","desc")->orderBy("sort","desc")->limit($limit)->get($fields);
 
         return $data;
     }