diff --git a/video-gen-api/app/services/payment.py b/video-gen-api/app/services/payment.py
index 2559586f..a08a65be 100644
--- a/video-gen-api/app/services/payment.py
+++ b/video-gen-api/app/services/payment.py
@@ -221,6 +221,9 @@ async def create_recharge_order(
             if qr_url:
                 # Attach QR URL to the order instance (transient, not persisted)
                 order.qr_url = qr_url  # type: ignore[attr-defined]
+            else:
+                # Precreate failed — do not leave a pending order that can never be paid
+                raise ValueError("支付宝预下单失败，请检查配置或稍后重试")
 
     return order