{"return_code":"SUCCESS","return_msg":"关单失败：该订单交易失败，不支持关单","result_code":"PAY_FAIL","mch_no":null,"close_trace_no":"k216291512dc75","close_time":"20260928162915","trade_no":"200001070X4326092816291510011","pay_trace_no":"h5c162914735c13","pay_time":"20260928162914","sign":"519105c54f6d3d2c2400f2d355c00fea"}