diff --git a/business/partner/purchase/ebai/order.go b/business/partner/purchase/ebai/order.go
index 2759d5244..7d3b69e5d 100644
--- a/business/partner/purchase/ebai/order.go
+++ b/business/partner/purchase/ebai/order.go
@@ -680,7 +680,7 @@ func (c *PurchaseHandler) AgreeOrRefuseCancel(ctx *jxcontext.Context, order *mod
 			}
 			refundProductList = append(refundProductList, refundProduct)
 			if param.ReverseOrderId == "" {
-				param.ReverseOrderId = v2["refund_order_id"].(string)
+				param.ReverseOrderId = utils.Int64ToStr(utils.Interface2Int64WithDefault(v2["refund_order_id"], 0))
 			}
 		}
 		param.RefundProductList = refundProductList