diff --git a/business/model/dao/print_bill.go b/business/model/dao/print_bill.go
index 825da327a..ef47a0646 100644
--- a/business/model/dao/print_bill.go
+++ b/business/model/dao/print_bill.go
@@ -5,6 +5,12 @@ import (
 	"git.rosy.net.cn/jx-callback/business/model"
 )
 
+// DeductionPrintBalance 扣除打印机账号余额
+/*func DeductionPrintBalance(db *DaoDB, printNo string) error {
+	_, err := ExecuteSQL(db, `UPDATE print_bill SET print_balance = print_balance -1 WHERE print_no = ?`, []interface{}{printNo}...)
+	return err
+}*/
+
 // DeductionPrintBalance 扣除打印机账号余额
 func DeductionPrintBalance(db *DaoDB, printNo string) error {
 	var data *model.PrintBill