diff --git a/app/api/endpoints/wechat.py b/app/api/endpoints/wechat.py
index b6b420d..885892f 100644
--- a/app/api/endpoints/wechat.py
+++ b/app/api/endpoints/wechat.py
@@ -16,6 +16,7 @@ import random
 import string
 from app.models.merchant_order import MerchantOrderDB, MerchantOrderStatus
 from app.models.merchant_pay_order import MerchantPayOrderDB, MerchantPayOrderStatus
+from app.models.merchant import MerchantDB
 import enum
 from app.core.point_manager import PointManager
 from app.core.point_manager import PointRecordType
@@ -230,7 +231,7 @@ async def payment_notify(
                 account_manager.change_balance(
                     user_id=order.deliveryman_user_id,
                     amount=deliveryman_share,
-                    description=f"配送订单收益",
+                    description=f"配送订单结算",
                     transaction_id=order.orderid
                 )
                 
@@ -256,8 +257,11 @@ async def payment_notify(
                 order.pay_time = datetime.fromisoformat(success_time.replace('Z', '+00:00'))
 
         elif out_trade_no.startswith("P"):  # 商家在线买单
-            order = db.query(MerchantPayOrderDB).filter(
+            order = db.query(MerchantPayOrderDB,MerchantDB).filter(
                 MerchantPayOrderDB.order_id == out_trade_no
+            ).join(
+                MerchantDB,
+                MerchantPayOrderDB.merchant_id == MerchantDB.id
             ).first()
             
             if not order:
@@ -266,13 +270,23 @@ async def payment_notify(
             if trade_state_desc == "支付成功":
                 # 添加积分
                 point_manager = PointManager(db)
-                point_manager.add_points(order.user_id, order.gift_points, PointRecordType.CONSUME_RETURN, f"买单订单奖励", order.order_id)
+                point_manager.add_points(order.MerchantPayOrderDB.user_id, order.MerchantPayOrderDB.gift_points, PointRecordType.CONSUME_RETURN, f"买单订单奖励", order.MerchantPayOrderDB.order_id)
 
                 # 更新订单状态
-                order.pay_status = True
-                order.status = MerchantPayOrderStatus.PAID
-                order.transaction_id = transaction_id
-                order.pay_time = datetime.fromisoformat(success_time.replace('Z', '+00:00'))
+                order.MerchantPayOrderDB.pay_status = True
+                order.MerchantPayOrderDB.status = MerchantPayOrderStatus.PAID
+                order.MerchantPayOrderDB.transaction_id = transaction_id
+                order.MerchantPayOrderDB.pay_time = datetime.fromisoformat(success_time.replace('Z', '+00:00'))
+
+                # 对商家进行分账计算
+                account_manager = AccountManager(db)
+                settlement_amount = float(order.MerchantPayOrderDB.amount) * float(order.MerchantDB.pay_share_rate) / 100
+                account_manager.change_balance(
+                    user_id=order.MerchantDB.user_id,
+                    amount=settlement_amount,
+                    description=f"在线买单结算",
+                    transaction_id=order.MerchantPayOrderDB.order_id
+                )
         
         else:
             return error_response(code=400, message="未知的订单类型")
diff --git a/app/models/merchant.py b/app/models/merchant.py
index 23da523..9f74dda 100644
--- a/app/models/merchant.py
+++ b/app/models/merchant.py
@@ -19,10 +19,11 @@ class MerchantDB(Base):
     latitude = Column(DECIMAL(9, 6), nullable=False)   # 纬度，精确到小数点后6位
     phone = Column(String(20), nullable=False)
     brand_image_url = Column(String(200))  # 品牌图片地址
+    pay_gift_points_rate = Column(DECIMAL(4,2), nullable=False, default=0.00)  # 支付赠送积分比例，默认0%
+    pay_share_rate = Column(DECIMAL(4,2), nullable=False, default=0.00)  # 在线买单分润比例，默认0%
     create_time = Column(DateTime(timezone=True), server_default=func.now())
     update_time = Column(DateTime(timezone=True), onupdate=func.now())
     category_id = Column(Integer, ForeignKey("merchant_categories.id"), nullable=True)
-    pay_gift_points_rate = Column(DECIMAL(4,2), nullable=False, default=0.00)  # 支付赠送积分比例，默认0%
 
 class MerchantCreate(BaseModel):
     user_id: int
@@ -33,6 +34,7 @@ class MerchantCreate(BaseModel):
     latitude: float = Field(..., ge=-90, le=90, description="纬度")
     phone: str = Field(..., max_length=20, pattern=r'^\d+$')
     pay_gift_points_rate: Optional[float] = Field(10.00, ge=0, le=100)  # 支付赠送积分比例
+    pay_share_rate: Optional[float] = Field(0.00, ge=0, le=100)  # 在线买单分润比例
     brand_image_url: Optional[str] = Field(None, max_length=200)
     category_id: Optional[int] = None
 
@@ -45,6 +47,7 @@ class MerchantUpdate(BaseModel):
     latitude: Optional[float] = Field(None, ge=-90, le=90, description="纬度")
     phone: Optional[str] = Field(None, max_length=20, pattern=r'^\d+$')
     pay_gift_points_rate: Optional[float] = Field(None, ge=0, le=100)  # 支付赠送积分比例
+    pay_share_rate: Optional[float] = Field(None, ge=0, le=100)  # 在线买单分润比例
     brand_image_url: Optional[str] = Field(None, max_length=200)
     category_id: Optional[int] = None
 
@@ -61,6 +64,7 @@ class MerchantInfo(BaseModel):
     latitude: float
     phone: str
     pay_gift_points_rate: float
+    pay_share_rate: float
     brand_image_url: Optional[str] = None
     create_time: datetime
     update_time: Optional[datetime]