diff --git a/platformapi/jdapi/order.go b/platformapi/jdapi/order.go
index 5d20a4a9..bb8da400 100644
--- a/platformapi/jdapi/order.go
+++ b/platformapi/jdapi/order.go
@@ -140,7 +140,7 @@ func (a *API) OrderJDZBDelivery(orderId string, userName string) (detail string,
 	}
 	result, err := a.AccessAPINoPage("bm/open/api/order/OrderJDZBDelivery", jdParams, nil, nil, orderOperationResultParser)
 	if err == nil {
-		return result.(string), nil
+		return utils.Interface2String(result), nil
 	}
 	return "", err
 }
@@ -154,7 +154,7 @@ func (a *API) ModifySellerDelivery(orderId string, userName string) (detail stri
 	}
 	result, err := a.AccessAPINoPage("order/modifySellerDelivery", jdParams, nil, nil, orderOperationResultParser)
 	if err == nil {
-		return result.(string), nil
+		return utils.Interface2String(result), nil
 	}
 	return "", err
 }
@@ -168,7 +168,7 @@ func (a *API) OrderSerllerDelivery(orderId string, userName string) (detail stri
 	}
 	result, err := a.AccessAPINoPage("bm/open/api/order/OrderSerllerDelivery", jdParams, nil, nil, orderOperationResultParser)
 	if err == nil {
-		return result.(string), nil
+		return utils.Interface2String(result), nil
 	}
 	return "", err
 }