diff --git a/business/model/dao/dao_print.go b/business/model/dao/dao_print.go
index 67f00afc4..dd004e6de 100644
--- a/business/model/dao/dao_print.go
+++ b/business/model/dao/dao_print.go
@@ -1,7 +1,6 @@
 package dao
 
 import (
-	"gim-master/pkg/db"
 	"git.rosy.net.cn/baseapi/utils"
 	"git.rosy.net.cn/jx-callback/business/model"
 	"git.rosy.net.cn/jx-callback/globals"
@@ -89,7 +88,7 @@ func GetPrinter(db *DaoDB, printNo string) (print *model.Printer, err error) {
 // DeletePrintMsg 删除超过一个月时间的打印订单信息
 func DeletePrintMsg() {
 	sql := ` DELETE FROM print_msg WHERE created_at < ?`
-	num, err := ExecuteSQL(db.DB, sql, []interface{}{time.Now().AddDate(0, -1, 0)}...)
+	num, err := ExecuteSQL(GetDB(), sql, []interface{}{time.Now().AddDate(0, -1, 0)}...)
 	if err != nil {
 		globals.SugarLogger.Debugf("定时删除超过一个月的打印信息错误:%v", err)
 	}