diff --git a/erp/constant.go b/erp/constant.go
index 377e22f..0f8e114 100644
--- a/erp/constant.go
+++ b/erp/constant.go
@@ -154,13 +154,14 @@ const (
 	OrderFieldPayableCreatedAt OrderField = "createdAt"
 	OrderFieldPayableAmount    OrderField = "amount"
 
-	OrderFieldRequestCreatedAt     OrderField = "createdAt"
-	OrderFieldRequestPrepaidAmount OrderField = "prepaidAmount"
-	OrderFieldRequestAmount        OrderField = "amount"
-	OrderFieldRequestPaidAmount    OrderField = "paidAmount"
-	OrderFieldRequestPayAt         OrderField = "payAt"
-	OrderFieldRequestFactoryName   OrderField = "factoryName"
-	OrderFieldRequestInvoiceSerial OrderField = "invoiceSerial"
+	OrderFieldRequestCreatedAt         OrderField = "createdAt"
+	OrderFieldRequestPrepaidAmount     OrderField = "prepaidAmount"
+	OrderFieldRequestAmount            OrderField = "amount"
+	OrderFieldRequestPaidAmount        OrderField = "paidAmount"
+	OrderFieldRequestPayAt             OrderField = "payAt"
+	OrderFieldRequestFactoryName       OrderField = "factoryName"
+	OrderFieldRequestInvoiceSerial     OrderField = "invoiceSerial"
+	OrderFieldRequestWorkflowUpdatedAt OrderField = "workflowUpdatedAt"
 
 	OrderFieldExpenseCreatedAt      OrderField = "createdAt"
 	OrderFieldExpenseAmount         OrderField = "amount"