diff --git a/run-git.sh b/run-git.sh
index 3d2897a..960591a 100755
--- a/run-git.sh
+++ b/run-git.sh
@@ -2,12 +2,12 @@ echo 'Starting gogs git service in screen...'
 #screen -dmS gogs
 #screen -S gogs -X stuff "/root/gogs/gogs web\n"
 cd ~/git/
-pm2 start -x './gogs/gogs' -n git.gogs -- web
+sudo pm2 start -x './gogs/gogs' -n git.gogs -- web # sudo it so that pm2 list shows it as root
 cd ~
 
 echo 'Starting http2https web service in pm2...'
 cd ~/git/www
-pm2 start server.js --name git.http2https
+sudo pm2 start server.js --name git.http2https # sudo it so that pm2 list shows it as root
 cd ~/
 
 echo 'Done!'
diff --git a/setup-debian.sh b/setup-debian.sh
index c4ad75a..0c4e050 100644
--- a/setup-debian.sh
+++ b/setup-debian.sh
@@ -35,11 +35,11 @@ sed -i "s/^PermitRootLogin yes/#PermitRootLogin yes/g" /etc/ssh/sshd_config
 service sshd restart
 
 echo ">>> set autostart"
+mv /etc/rc.local /etc/rc.local.backup
 touch /etc/rc.local
 chmod +x /etc/rc.local
-echo "#!/bin/bash"
-echo "exec /root/autostart.sh"
-echo "exit 0"
+echo '#!/bin/bash' > /etc/local # can't omit, otherwise you can't launch pm2 in autostart.sh. Don't use double quote here, otherwise error.
+echo 'source /root/autostart.sh' >> /etc/rc.local # make sure to sudo pm2 in autostart.sh, otherwise pm2 list can't find it as root.
 touch /root/autostart.sh
 chmod +x /root/autostart.sh
 
diff --git a/setup-home.sh b/setup-home.sh
index e62e649..3516231 100644
--- a/setup-home.sh
+++ b/setup-home.sh
@@ -10,4 +10,5 @@ ln -s ~/linux.config/.emacs.lisp ~/
 ln -s ~/linux.config/.bashrc ~/
 ln -s ~/linux.config/.bash_profile ~/
 . ~/.bashrc
+git config --global confidential.helper cache
 echo "######## 完毕 ##################"