diff --git a/server/wheelserver/model/bag.go b/server/wheelserver/model/bag.go
index 78f18943..3410773d 100644
--- a/server/wheelserver/model/bag.go
+++ b/server/wheelserver/model/bag.go
@@ -2,7 +2,9 @@ package model
 
 import (
 	"f5"
+	"errors"
 	"main/constant"
+	"gorm.io/gorm"
 )
 
 type Bag struct {
@@ -24,3 +26,13 @@ func (this *Bag) Create() error {
 	}
 	return nil
 }
+
+func (this *Bag) Find(accountId string, nowTime int64, itemId int32) (error, bool) {
+	if result := f5.GetApp().GetOrmDb(constant.WHEEL_DB).Table(this.TableName()).Take(
+		this, "account_id = ? and item_id = ?", accountId, itemId); result.Error != nil &&
+		!errors.Is(result.Error, gorm.ErrRecordNotFound) {
+		return result.Error, false
+	} else {
+		return nil, result.RowsAffected > 0
+	}
+}