diff --git a/doc/sandbox.mdwn b/doc/sandbox.mdwn
index 14f72f4ad..52f5f082a 100644
--- a/doc/sandbox.mdwn
+++ b/doc/sandbox.mdwn
@@ -90,3 +90,5 @@ But, of course, rsync is better.
 ----
 
 Let's see what happens... ~~
+
+測試的啦