diff --git a/server/wheelserver/model/chip.go b/server/wheelserver/model/chip.go
new file mode 100644
index 00000000..485e56d4
--- /dev/null
+++ b/server/wheelserver/model/chip.go
@@ -0,0 +1,17 @@
+package model
+
+import (
+)
+
+type Chip struct {
+	Idx int64 `gorm:"column:idx;AUTO_INCREMENT"`
+	AccountId string `gorm:"column:account_id;primaryKey"`
+	ItemId int64 `gorm:"column:item_id"`
+	ItemNum int32 `gorm:"column:item_num"`
+	CreateTime int32 `gorm:"column:createtime;<-:create"`
+	ModifyTime int32 `gorm:"column:modifytime"`
+}
+
+func (this *Chip) TableName() string {
+	return "t_chip"
+}