diff --git a/hb_server/apps/inm/models.py b/hb_server/apps/inm/models.py
index 8c8c1ec..767745b 100644
--- a/hb_server/apps/inm/models.py
+++ b/hb_server/apps/inm/models.py
@@ -72,7 +72,7 @@ class Product(CommonAModel):
     """
     具体产品
     """
-    number = models.CharField('物品编号', primary_key=True, null=True, blank=True, max_length=50)
+    number = models.CharField('物品编号', unique=True, null=True, blank=True, max_length=50)
     material = models.ForeignKey(Material, verbose_name='物料类型', on_delete=models.CASCADE)
     warehouse = models.ForeignKey(WareHouse, on_delete=models.CASCADE, verbose_name='所在仓库')
     batch = models.CharField('所属批次号', max_length=100, null=True, blank=True)
diff --git a/hb_server/apps/wpm/models.py b/hb_server/apps/wpm/models.py
index e53745e..18a95f5 100644
--- a/hb_server/apps/wpm/models.py
+++ b/hb_server/apps/wpm/models.py
@@ -16,7 +16,7 @@ class Product(CommonAModel):
         (1, '进行中'),
         (2, '已完成')
     )
-    number = models.CharField('物品编号', primary_key=True, null=True, blank=True, max_length=50)
+    number = models.CharField('物品编号', unique=True, null=True, blank=True, max_length=50)
     m_state = models.ForeignKey(Material, verbose_name='所属物料状态', on_delete=models.CASCADE)
     p_state = models.ForeignKey(Step, verbose_name='所在步骤', on_delete=models.CASCADE, null=True, blank=True)
     act_state = models.IntegerField('进行状态', default=0)