diff --git a/video-gen-api/app/services/payment.py b/video-gen-api/app/services/payment.py
index a2966afc..362f6ff3 100644
--- a/video-gen-api/app/services/payment.py
+++ b/video-gen-api/app/services/payment.py
@@ -448,7 +448,7 @@ def _create_wechat_order(order: PaymentOrder, db_configs: dict[str, str]) -> str
             }
         )
         
-        if code == 200 and isinstance(result, dict) and result.get('code_url'):
+        if code == 200 and hasattr(result, 'get') and result.get('code_url'):
             # 注意：微信返回的 code_url 可能需要进一步处理成二维码图片地址
             logger.info(f"WeChat order created successfully: order_no={order.order_no}")
             return result.get('code_url')
@@ -522,7 +522,7 @@ async def _query_wechat_order(db: AsyncSession, order: PaymentOrder, db_configs:
 
     try:
         code, result = client.query(out_trade_no=order.order_no)
-        if code == 200 and isinstance(result, dict) and result.get('trade_state'):
+        if code == 200 and hasattr(result, 'get') and result.get('trade_state'):
             logger.info(
                 f"WeChat query succeeded: order_no={order.order_no}, "
                 f"trade_state={result.get('trade_state')}"
@@ -578,7 +578,7 @@ async def _refund_wechat_order(
             reason=refund_reason
         )
         
-        if code == 200 and isinstance(result, dict) and result.get('status') == 'SUCCESS':
+        if code == 200 and hasattr(result, 'get') and result.get('status') == 'SUCCESS':
             logger.info(f"WeChat refund succeeded: order_no={order.order_no}")
             return {"success": True, "refund_id": result.get('refund_id')}
         else:
@@ -588,7 +588,7 @@ async def _refund_wechat_order(
             )
             return {
                 "success": False, 
-                "message": f"微信退款失败: code={code}, {result.get('code', '') if isinstance(result, dict) else ''}"
+                "message": f"微信退款失败: code={code}, {result.get('code', '') if hasattr(result, 'get') else ''}"
             }
     except Exception as e:
         logger.exception(f"WeChat refund exception: order_no={order.order_no}")