diff --git a/app/api/endpoints/merchant_order.py b/app/api/endpoints/merchant_order.py
index 00b3fc4..27a0a27 100644
--- a/app/api/endpoints/merchant_order.py
+++ b/app/api/endpoints/merchant_order.py
@@ -49,23 +49,11 @@ async def create_merchant_order(
         return error_response(code=404, message="商品不存在")
     
     # 检查限购
-    if product.purchase_limit and product.purchase_limit > 0:
-        # 查询用户已购买数量
-        purchased_count = db.query(func.count(MerchantOrderDB.id)).filter(
-            MerchantOrderDB.user_id == current_user.userid,
-            MerchantOrderDB.merchant_product_id == product.id,
-            MerchantOrderDB.status.in_([
-                MerchantOrderStatus.CREATED,
-                MerchantOrderStatus.VERIFIED,
-                MerchantOrderStatus.UNVERIFIED
-            ])
-        ).scalar()
-        
-        if purchased_count >= product.purchase_limit:
-            return error_response(
-                code=400, 
-                message=f"该商品限购{product.purchase_limit}次，您已达到限购次数"
-            )
+    if product.purchase_limit > 0 and order.qty > product.purchase_limit:
+        return error_response(
+            code=400, 
+            message=f"该商品限购 {product.purchase_limit} 个"
+        )
     
     order_id = CommonUtils.generate_order_id('M')
     verify_code = CommonUtils.generate_verify_code()
diff --git a/app/api/endpoints/wechat.py b/app/api/endpoints/wechat.py
index 1db2a6a..ed6bd90 100644
--- a/app/api/endpoints/wechat.py
+++ b/app/api/endpoints/wechat.py
@@ -17,6 +17,7 @@ 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
+from app.models.merchant_product import DeliveryType, MerchantProductDB, DeliveryTimeType
 import enum
 from app.core.point_manager import PointManager
 from app.core.point_manager import PointRecordType
@@ -238,15 +239,22 @@ async def payment_notify(
                 return error_response(code=404, message="订单不存在")
             
             if trade_state_desc == "支付成功":
-
-                # if order.gift_points > 0:
-                #     # 添加积分
-                #     point_manager = PointManager(db)
-                #     point_manager.add_points(order.user_id, order.gift_points, PointRecordType.CONSUME_RETURN, f"团购订单奖励", order.order_id)
+                product = db.query(MerchantProductDB).filter(
+                    MerchantProductDB.id == order.merchant_product_id
+                ).first()
 
                 # 更新订单状态
+                if product.delivery_type == DeliveryType.DELIVERY:
+                    if product.delivery_time_type == DeliveryTimeType.IMMEDIATE:
+                        order.status = MerchantOrderStatus.PENDING
+                    elif product.delivery_time_type == DeliveryTimeType.SCHEDULED:
+                        order.status = MerchantOrderStatus.DELIVERING
+                elif product.delivery_type == DeliveryType.PICKUP:
+                    order.status = MerchantOrderStatus.PICKUP_READY
+                else:
+                    order.status = MerchantOrderStatus.PENDING
+                
                 order.pay_status = True
-                order.status = MerchantOrderStatus.UNVERIFIED
                 order.transaction_id = transaction_id
                 order.pay_time = datetime.fromisoformat(success_time.replace('Z', '+00:00'))
 
diff --git a/app/models/merchant_order.py b/app/models/merchant_order.py
index fdb3b6b..bde9df5 100644
--- a/app/models/merchant_order.py
+++ b/app/models/merchant_order.py
@@ -10,11 +10,14 @@ import time
 import enum
 
 class MerchantOrderStatus(str, enum.Enum):
-    CREATED = "CREATED"       # 已下单
-    UNVERIFIED = "UNVERIFIED" # 未核销
-    VERIFIED = "VERIFIED"     # 已核销
-    REFUNDING = "REFUNDING"   # 退款中
-    REFUNDED = "REFUNDED"     # 已退款
+    CREATED = "CREATED"           # 已创建（待支付）
+    PENDING = "PENDING"           # 待接单
+    DELIVERING = "DELIVERING"     # 待配送
+    PICKUP_READY = "PICKUP_READY" # 待自提
+    COMPLETED = "COMPLETED"       # 已完成
+    CANCELLED = "CANCELLED"       # 已取消
+    REFUNDING = "REFUNDING"       # 退款中
+    REFUNDED = "REFUNDED"         # 已退款
 
 class MerchantOrderDB(Base):
     __tablename__ = "merchant_orders"
diff --git a/app/sql/v1.1.sql b/app/sql/v1.1.sql
index d4f52e7..1055707 100644
--- a/app/sql/v1.1.sql
+++ b/app/sql/v1.1.sql
@@ -86,4 +86,9 @@ FOREIGN KEY (address_id) REFERENCES delivery_addresses(id);
 
 -- 修改address_id为NOT NULL
 ALTER TABLE merchant_orders 
-MODIFY COLUMN address_id INT NOT NULL COMMENT '收货地址ID';
\ No newline at end of file
+MODIFY COLUMN address_id INT NOT NULL COMMENT '收货地址ID';
+
+-- 修改status字段的枚举类型
+ALTER TABLE merchant_orders 
+MODIFY COLUMN status ENUM('CREATED', 'PENDING', 'DELIVERING', 'PICKUP_READY', 'COMPLETED', 'CANCELLED', 'REFUNDING', 'REFUNDED') 
+NOT NULL DEFAULT 'CREATED' COMMENT '订单状态';
\ No newline at end of file