diff --git a/app/models/order.py b/app/models/order.py
index b76a991..c0a03e8 100644
--- a/app/models/order.py
+++ b/app/models/order.py
@@ -67,7 +67,7 @@ class ShippingOrderDB(Base):
 
     delivery_method = Column(Enum(DeliveryMethod), nullable=False)
     delivery_date = Column(Date, nullable=False, default=datetime.now().date())
-    delivery_share = Column(Float, default=0) # 配送费分润
+    delivery_share = Column(Float, nullable=False,default=0) # 配送费分润
     package_count = Column(Integer, nullable=False)
     original_amount = Column(Float, nullable=False)
     coupon_discount_amount = Column(Float, default=0)