diff --git a/video-gen-api/app/services/payment.py b/video-gen-api/app/services/payment.py
index 1ff12e8b..384947ca 100644
--- a/video-gen-api/app/services/payment.py
+++ b/video-gen-api/app/services/payment.py
@@ -158,12 +158,6 @@ def _get_alipay_client(app_id: str, private_key: str, public_key: str, gateway:
     config.sign_type = "RSA2"
     config.charset = "utf-8"
     config.cert_path = certifi.where()
-    logger.info(
-        f"Initializing Alipay client: app_id={app_id}, gateway={config.server_url}, "
-        f"public_key={config.alipay_public_key}, "
-        f"private_key={config.app_private_key}, "
-        f"cert_path={config.cert_path}"
-    )
     try:
         _alipay_client = DefaultAlipayClient(config)
         _alipay_client_app_id = app_id
@@ -314,6 +308,7 @@ def _create_alipay_order(order: PaymentOrder, db_configs: dict[str, str]) -> str
         model.out_trade_no = order.order_no
         model.total_amount = f"{order.amount:.2f}"
         model.subject = f"充值订单 {order.order_no}"
+        model.product_code = "QR_CODE_OFFLINE"
 
         body_parts = []
         if order.credits > 0: