diff --git a/docs/2-4-mariadb.md b/docs/2-4-mariadb.md
index 946335f..25dafd0 100644
--- a/docs/2-4-mariadb.md
+++ b/docs/2-4-mariadb.md
@@ -49,7 +49,7 @@ max_open = 50
 max_idle = 50
 url = ./db/hfish.db?cache=shared&mode=rwc
 # type = mysql
-# url = mysql用户名::密码@tcp(:3306)/hfish?charset=utf8&parseTime=true&loc=Local
+# url = mysql用户名:密码@tcp(:3306)/hfish?charset=utf8&parseTime=true&loc=Local
 ```
 
 **如果mysql想要加ip，则使用**：