diff --git a/src/alias.txt b/src/alias.txt
index 26f407c..5ac875a 100644
--- a/src/alias.txt
+++ b/src/alias.txt
@@ -43,6 +43,7 @@ alias op='openlist'
 alias ct='cd /opt/tmp'
 alias nsh='micro ~/.ssh/config'
 alias las='echo $SSH_CLIENT'
+alias dd='exit'
 alias csh='cd /opt/data/oplist/share && ls'
 alias tal='tar -tvf'
 tax() {