diff --git a/model/app_model/app_print.go b/model/app_model/app_print.go
index f8985d8..855e447 100644
--- a/model/app_model/app_print.go
+++ b/model/app_model/app_print.go
@@ -45,9 +45,9 @@ type TestPrintReq struct {
 
 type GetPrintMsg struct {
 	AppID    int    `json:"app_id" form:"app_id" binding:"required"`
-	PrintNo  string `json:"print_no" form:"print_no" ` //打印机编号
-	MsgID    string `json:"msg_id" form:"msg_id"`      //消息ID
-	BeginAt  string `json:"begin_at" form:"begin_at"`  //开始时间 默认一周内
+	PrintNo  string `json:"print_no" form:"print_no"` //打印机编号
+	MsgID    string `json:"msg_id" form:"msg_id"`     //消息ID
+	BeginAt  string `json:"begin_at" form:"begin_at"` //开始时间 默认一周内
 	EndAt    string `json:"end_at" form:"end_at"`
 	Offset   int    `json:"offset" form:"offset"`
 	PageSize int    `json:"page_size" form:"page_size" binding:"required"`