修复了影响生产环境的问题，在生产环境中成功运行

shop/models.py

@@ -1,7 +1,5 @@
 from django.db import models
 
-# Create your models here.
-
 
 class YonghuPingzheng(models.Model):
     id = models.AutoField(primary_key=True, verbose_name='自增主键ID')
@@ -26,7 +24,7 @@ class YonghuPingzheng(models.Model):
 class Dianpu(models.Model):
     id = models.AutoField(primary_key=True, verbose_name='店铺自增ID')
     pingzheng = models.OneToOneField(
-        'shangdian.YonghuPingzheng',  # 同应用内可简写，但完整路径更清晰
+        'shop.YonghuPingzheng',  # 同应用内可简写，但完整路径更清晰
         on_delete=models.CASCADE,
         db_index=True,
         verbose_name='关联用户凭证'
@@ -149,7 +147,7 @@ class DianpuShouzhiMeiriTongji(models.Model):
 class YonghuDianpuBangding(models.Model):
     id = models.AutoField(primary_key=True, verbose_name='绑定自增ID')
     yonghu = models.ForeignKey(
-        'yonghu.UserMain',  # 🔥 完整路径
+        'users.UserMain',  # 🔥 完整路径
         to_field='yonghuid',
         on_delete=models.CASCADE,
         db_index=True,
@@ -166,8 +164,6 @@ class YonghuDianpuBangding(models.Model):
         unique_together = [['yonghu', 'dianpu']]
 
 
-# shangdian/models.py
-
 class ShangpinLeixingDianpu(models.Model):
     """
     店铺级商品类型映射表
@@ -175,14 +171,14 @@ class ShangpinLeixingDianpu(models.Model):
     """
     id = models.AutoField(primary_key=True, verbose_name='类型自增ID')
     dianpu = models.ForeignKey(
-        'shangdian.Dianpu',
+        'shop.Dianpu',
         on_delete=models.CASCADE,
         db_index=True,
         verbose_name='所属店铺'
     )
     # 🔥 强制映射到公共商品类型，不可为空
     gonggong_leixing = models.ForeignKey(
-        'shangpin.ShangpinLeixing',
+        'shop.ShangpinLeixing',
         on_delete=models.CASCADE,
         db_index=True,
         verbose_name='映射的公共商品类型'