diff --git a/zh/05.5.md b/zh/05.5.md
index 28c85be4..ed75d06c 100644
--- a/zh/05.5.md
+++ b/zh/05.5.md
@@ -42,7 +42,7 @@ import (
 
 func init() {
 	//注册驱动
-	orm.RegisterDriver("mysql", orm.DR_MySQL)
+	orm.RegisterDriver("mysql", orm.DRMySQL)
 	//设置默认数据库
 	orm.RegisterDataBase("default", "mysql", "root:root@/my_db?charset=utf8", 30)
 	//注册定义的model