px

backend/community/admin.py

@@ -202,16 +202,17 @@ class TopicAdmin(OrderableAdminMixin, ModelAdmin):
     inlines = [TopicMediaInline, ReplyInline]
     actions = ['reset_ordering']
 
-    @admin.action(description="重置排序 (按发布时间倒序)")
+    @admin.action(description="重置排序 (0,1,2... 新帖子在前)")
     def reset_ordering(self, request, queryset):
         """
-        将所有帖子按时间倒序重新分配order值（order = -id）
+        将所有帖子按时间倒序重新分配order值 (0, 1, 2, ...)
         """
-        all_objects = Topic.objects.all().order_by('-id')
-        for obj in all_objects:
-            obj.order = -obj.id
-            obj.save(update_fields=['order'])
-        self.message_user(request, f"成功重置了 {all_objects.count()} 个帖子的排序权重（新帖子在前）。")
+        all_objects = Topic.objects.all().order_by('-created_at')
+        for index, obj in enumerate(all_objects):
+            if obj.order != index:
+                obj.order = index
+                obj.save(update_fields=['order'])
+        self.message_user(request, f"成功重置了 {all_objects.count()} 个帖子的排序权重（从0开始）。")
     
     fieldsets = (
         ('帖子内容', {