diff --git a/app.py b/app.py
index f326ae46..fd062bdd 100755
--- a/app.py
+++ b/app.py
@@ -3873,22 +3873,19 @@ def create_wechat_jsapi_order():
                 'should_free_upgrade': True
             }), 400
 
-        # 生成订单号
-        order_no = f"WXH5{int(time.time())}{user_id}{uuid.uuid4().hex[:6].upper()}"
-
-        # 创建订单记录
+        # 创建订单记录（PaymentOrder.__init__ 会自动生成 order_no）
         order = PaymentOrder(
             user_id=user_id,
-            order_no=order_no,
             plan_name=plan_name,
             billing_cycle=billing_cycle,
             amount=amount,
             original_amount=price_result.get('original_price', amount),
             discount_amount=price_result.get('discount_amount', 0),
-            status='pending',
-            payment_method='wechat_jsapi',
-            payment_source='h5'
         )
+        # 设置其他属性
+        order.payment_method = 'wechat_jsapi'
+        order.payment_source = 'h5'
+        order_no = order.order_no  # 使用自动生成的订单号
 
         # 关联优惠码
         if promo_code and price_result.get('promo_applied'):