diff --git a/business/partner/purchase/ebai/order.go b/business/partner/purchase/ebai/order.go
index 37964bae8..1f6d4bfdd 100644
--- a/business/partner/purchase/ebai/order.go
+++ b/business/partner/purchase/ebai/order.go
@@ -197,6 +197,8 @@ func (c *PurchaseHandler) onOrderMsg(msg *ebaiapi.CallbackMsg) (retVal *ebaiapi.
 				}
 			}
 			retVal = api.EbaiAPI.Err2CallbackResponse(msg.Cmd, err, nil)
+		} else {
+			retVal = api.EbaiAPI.Err2CallbackResponse(msg.Cmd, nil, nil)
 		}
 	}
 	return retVal