diff --git a/modules/equipment/api_upgrade.go b/modules/equipment/api_upgrade.go
index 5ad01df3a..b3beab476 100644
--- a/modules/equipment/api_upgrade.go
+++ b/modules/equipment/api_upgrade.go
@@ -122,6 +122,11 @@ func (this *apiComp) Upgrade(session comm.IUserSession, req *pb.EquipmentUpgrade
 				this.module.Errorf("Upgrade code:%d", code)
 				return
 			}
+			if conf.Pos >= 6 {
+				code = pb.ErrorCode_ConfigurationException
+				this.module.Errorf("Upgrade equipment Pos:%d", conf.Pos)
+				return
+			}
 			hero.EquipID[conf.Pos] = equipment.Id //拆分后的装备是一个新的
 			for i, v := range hero.EquipID {
 				if v != "" {