diff --git a/business/model/print.go b/business/model/print.go
index 336886aa1..1ae48a991 100644
--- a/business/model/print.go
+++ b/business/model/print.go
@@ -26,4 +26,5 @@ type Printer struct {
 	Volume       int    `json:"volume"`                      //音量，1-5 ，对应打印机2-10
 	FlowFlag     int    `json:"flowFlag"`                    //是否超流量了，1表示超了
 	OfflineCount int    `json:"offlineCount"`                //掉线次数
+	UserId       string `json:"user_id" db:"user_id"`        //打印机所属用户
 }