修复了影响生产环境的问题，在生产环境中成功运行

orders/models.py

@@ -53,7 +53,6 @@ class Dingdan(models.Model):
         db_index=True,
         verbose_name='微信支付订单号'
     )
-    
 
     class Meta:
         db_table = 'dingdan'
@@ -90,7 +89,6 @@ class DingdanPingtai(models.Model):
                                           verbose_name='上级分红金额')
 
     # =============================
-    
 
     class Meta:
         db_table = 'dingdan_pingtai'
@@ -99,13 +97,12 @@ class DingdanPingtai(models.Model):
         indexes = [
             models.Index(fields=['laoban_id']),
             models.Index(fields=['dianpu_id']),  # 为新字段加索引
-
-
         ]
 
     def __str__(self):
         return f"平台扩展-{self.dingdan.dingdan_id}"
 
+
 class DingdanShangjia(models.Model):
     """商家发单扩展表 (当 fadan_pingtai=2 时使用)"""
     dingdan = models.OneToOneField(Dingdan, on_delete=models.CASCADE, related_name='shangjia_kuozhan', verbose_name='订单')
@@ -553,10 +550,6 @@ class Ptliushui(models.Model):
         db_table = 'ptliushui'
 
 
-# models.py - ChatRelation 模型
-
-
-
 class Liaotian(models.Model):
     """聊天关系表 - 极简设计，不设置唯一约束"""
     # 主键