diff --git a/src/model/user_upgrade_level.go b/src/model/user_upgrade_level.go
index 54f8504..7c0b9cd 100644
--- a/src/model/user_upgrade_level.go
+++ b/src/model/user_upgrade_level.go
@@ -5,7 +5,7 @@ import (
 )
 
 type UserUpgradeLevel struct {
-	Id         int       `json:"id" xorm:"not null pk default 0 INT(11)"`
+	Id         int       `json:"id" xorm:"not null pk autoincr INT(11)"`
 	Uid        int       `json:"uid" xorm:"default 0 INT(11)"`
 	Level      int       `json:"level" xorm:"default 0 INT(11)"`
 	CreateTime time.Time `json:"create_time" xorm:"DATETIME"`