diff --git a/.zshenv b/.zshenv
index 3e8febd..48381b5 100644
--- a/.zshenv
+++ b/.zshenv
@@ -252,6 +252,9 @@ if [ -d /etc/profile.d ]
 then
     for i in /etc/profile.d/*.sh
     do
-        . $i
+        if [ -r $i ]
+        then
+            . $i
+        fi
     done
 fi
diff --git a/ssh-keys/arche-noah_2022.pub b/ssh-keys/arche-noah_2022.pub
new file mode 100644
index 0000000..affb912
--- /dev/null
+++ b/ssh-keys/arche-noah_2022.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIN4jRA8UfI8UNzbxFq1xnRxm1oKzs39pDpB7ox5gBXvC hjp@arche-noah