diff --git a/internal/biz/cmb/notify.go b/internal/biz/cmb/notify.go
index 31b41d4..5c6f259 100644
--- a/internal/biz/cmb/notify.go
+++ b/internal/biz/cmb/notify.go
@@ -65,12 +65,18 @@ func (v *Cmb) bizContent(_ context.Context, order *bo.OrderBo, orderNotify *bo.O
 	req := &v1.CmbNotifyRequest{
 		Ticket:    orderNotify.OrderNo,
 		Status:    cmbStatus.GetValue(),
-		TransDate: time.Now().Format("2006-01-02 15:04:05.000"), // 格式yyyy-mm-dd hh:mm:ss.sss
+		TransDate: "", // 格式yyyy-mm-dd hh:mm:ss.sss
 		OrgNo:     v.bc.Cmb.OrgNo,
 		Attach:    order.Attach,
 		Ext:       "",
 	}
 
+	if cmbStatus == vo.CmbStatusUse {
+		req.TransDate = order.LastUseTime.Format("2006-01-02 15:04:05.000")
+	} else {
+		req.TransDate = time.Now().Format("2006-01-02 15:04:05.000")
+	}
+
 	bizJsonBytes, err := json.Marshal(req)
 	if err != nil {
 		return "", err