diff --git a/business/model/print.go b/business/model/print.go
index a0ff65f1a..01a0fbfa0 100644
--- a/business/model/print.go
+++ b/business/model/print.go
@@ -22,6 +22,7 @@ type Printer struct {
 	Name     string `json:"name"`                        //打印机备注名
 	Status   int    `json:"status"`                      //打印机状态
 	IsOnline int    `json:"is_online"`                   //1在线，0离线
+	SIM      string `orm:"column(sim)" json:"sim"`       //sim卡号
 }
 
 func (v *Printer) TableIndex() [][]string {