diff --git a/init_root.sh b/init_root.sh
index 29693f3..c8fa2ca 100755
--- a/init_root.sh
+++ b/init_root.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+scriptdir=$(dirname $(realpath $0))
+
 check_google_access() {
     abroad=0
     local response=$(curl -s -o /dev/null -w "%{http_code}" -m 5 "http://www.google.com")
@@ -27,13 +29,11 @@ configure_ssh_keygen() {
 
     if [[ -z "$response" ]] || [[ $response =~ ^[Yy]$ ]]; then
         mkdir -p ~/.ssh
-        read -p "sshkey 的名字: " keyname
-        ssh-keygen -t ed25519 -C $keyname
+        read -p "sshkey 的名字: " sshkeyname
+        ssh-keygen -t ed25519 -C $sshkeyname
     fi
 }
 
 check_google_access
 configure_ssh
 configure_ssh_keygen
-
-# scriptdir=$(dirname $(realpath $0))