diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..537478f
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "bash_tools/autojump"]
+	path = bash_tools/autojump
+	url = https://github.com/wting/autojump
diff --git a/bash_tools.sh b/bash_tools.sh
index 5768d0f..da35e12 100644
--- a/bash_tools.sh
+++ b/bash_tools.sh
@@ -73,6 +73,9 @@ fi
 
 # -A: get rid of . and ..
 # -t: Sort by time. Display the newest first
-# alias ls=ls -At
+alias ls=ls -At
 
 source $DOTFILE_DIR/bash_tools/fzf_file_seletor.sh
+
+# add autojump
+source $DOTFILE_DIR/bash_tools/autojump/bin/autojump.sh
diff --git a/bash_tools/autojump b/bash_tools/autojump
new file mode 160000
index 0000000..06e082c
--- /dev/null
+++ b/bash_tools/autojump
@@ -0,0 +1 @@
+Subproject commit 06e082c91805cb022900819b2e0881eeae780d58
diff --git a/bash_tools/fzf_file_seletor.sh b/bash_tools/fzf_file_seletor.sh
index 28c6f4c..300d675 100755
--- a/bash_tools/fzf_file_seletor.sh
+++ b/bash_tools/fzf_file_seletor.sh
@@ -18,7 +18,6 @@ set_wallpaper \
 
 # fzf only match folders
 fzf_command_list_dir=(\
-ls \
 cd \
 )