diff --git a/myblog/blog/admin.py b/myblog/blog/admin.py
index 590a9cf..b0ca294 100644
--- a/myblog/blog/admin.py
+++ b/myblog/blog/admin.py
@@ -9,16 +9,12 @@ class PostAdmin(admin.ModelAdmin):
     formfield_overrides = {
         models.TextField: {'widget': AdminMartorWidget},
     }
-    
+
     # 设置列表显示字段
     list_display = ('title', 'publish_date', 'created_at')
     # 设置搜索字段
     search_fields = ('title', 'content')
-    # 设置日期层级过滤器
-    date_hierarchy = 'publish_date'
-    # 设置可编辑字段
-    list_editable = ('publish_date',)
 
 
 # 注册自定义的PostAdmin
-admin.site.register(Post, PostAdmin)
\ No newline at end of file
+admin.site.register(Post, PostAdmin)
diff --git a/myblog/blog/models.py b/myblog/blog/models.py
index 2152b74..e314f83 100644
--- a/myblog/blog/models.py
+++ b/myblog/blog/models.py
@@ -15,6 +15,6 @@ class Post(models.Model):
 
     def __str__(self):
         return f"{self.title} ({self.publish_date.strftime('%Y-%m-%d')})"
-    
+
     def get_markdown_content(self):
         return mark_safe(markdown.markdown(self.content))