diff --git a/dot_scripts/install_base.sh b/dot_scripts/install_base.sh
index 8c3b2f8..bed1e70 100755
--- a/dot_scripts/install_base.sh
+++ b/dot_scripts/install_base.sh
@@ -23,3 +23,11 @@ paru --needed --noconfirm -Syu paru-bin ttf-cascadia-code
 # Chezmoi apply dotfiles
 chezmoi init --apply https://inex.dev/v/dotfiles.git
 
+if [ -f "$HOME/.ssh/id_ed25519.pub" ]; then
+    echo "id_ed25519.pub exist"
+else 
+    echo "creating id_ed25519.pub..."
+    ssh-keygen -t ed25519 -f "$HOME/.ssh/id_ed22519" -N ""
+    eval "$(ssh-agent -s)"
+    ssh-add ~/.ssh/id_ed25519
+fi