diff --git a/code/app/model/ChapterModel.php b/code/app/model/ChapterModel.php
index 2efa7f3..5741e5f 100644
--- a/code/app/model/ChapterModel.php
+++ b/code/app/model/ChapterModel.php
@@ -4,14 +4,9 @@ declare(strict_types=1);
 
 namespace app\model;
 
-use DateTime;
 use storage\StorageCore;
-use think\facade\Cache;
-use think\Model;
 
-/**
- * @mixin think\Model
- */
+
 class ChapterModel extends MongoModel
 {
     protected $strCollection = 'chapter';
@@ -36,8 +31,6 @@ class ChapterModel extends MongoModel
         ],
     ];
 
-
-
     /**
      * Undocumented function
      *