diff --git a/erp/expense.go b/erp/expense.go
index 9740956..9f28391 100644
--- a/erp/expense.go
+++ b/erp/expense.go
@@ -54,6 +54,7 @@ type ExpenseItem struct {
 	WorkflowId        int64           `json:"workflowId"`
 	WorkflowStatus    int64           `json:"workflowStatus"`
 	WorkflowReason    string          `json:"workflowReason"`
+	WorkflowUpdatedAt *time.Time      `json:"workflowUpdatedAt"`
 	ExpenseStaffId    int64           `json:"expenseStaffId"`
 	CreatedStaffId    int64           `json:"createdStaffId"`
 	BanFlag           int64           `json:"banFlag"`