diff --git a/docs/tutorial-12-mysql_cli.md b/docs/tutorial-12-mysql_cli.md
index ca8b72f8..1051c448 100644
--- a/docs/tutorial-12-mysql_cli.md
+++ b/docs/tutorial-12-mysql_cli.md
@@ -15,6 +15,8 @@
 
 mysql://username:password@host:port/dbname?character_set=charset&character_set_results=charset
 
+- 如果以SSL连接访问MySQL，则scheme为**mysqls://**；
+
 - username和password按需填写；
 
 - port默认为3306；