diff --git a/init.sh b/init.sh
index d5d2506..a76bb5a 100644
--- a/init.sh
+++ b/init.sh
@@ -10,17 +10,16 @@ sudo apt install -y python-pip python3-pip
 sudo apt install -y ctags build-essential cmake silversearcher-ag 
 
 # change the pip source to tsinghua source
-mkdir ~/.pip/
+mkdir -p ~/.pip/
 cp pip.conf ~/.pip/pip.conf
 
 python -m pip install requests virtualenv
 
 # install peda
-
 git clone https://github.com/longld/peda.git ~/peda
 echo "source ~/peda/peda.py" >> ~/.gdbinit
 
 # install oh my zsh
-
+sh -c "$(curl -fsSL https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"