diff --git a/scripts/jumpserver_deploy.sh b/scripts/jumpserver_deploy.sh
index 5fe22c8..0f4ee0c 100755
--- a/scripts/jumpserver_deploy.sh
+++ b/scripts/jumpserver_deploy.sh
@@ -20,4 +20,4 @@ insert_if_not_exist()
 
 insert_if_not_exist "/etc/crontab" "*/5 * * * * cd \"$THIS_DIR\" && git pull && \"$THIS_DIR\"/jumpserver_cron.sh"
 
-\"$THIS_DIR\"/jumpserver_cron.sh
+"$THIS_DIR"/jumpserver_cron.sh
diff --git a/scripts/testbed_cron.sh b/scripts/testbed_cron.sh
index b061946..ed2f833 100755
--- a/scripts/testbed_cron.sh
+++ b/scripts/testbed_cron.sh
@@ -7,7 +7,7 @@ touch_user() {
     if id -u $1 1>/dev/null 2>&1; then
         return
     fi
-    if ! id -g nasp 1>/dev/null 2>&1; then
+    if ! getent group nasp ; then
         echo "Group 'nasp' does not exist\!"
         exit 1
     fi
@@ -43,7 +43,7 @@ update_key() {
 }
 
 main() {
-    cp "$THIS_DIR/nasp /etc/sudoers.d/nasp"
+    cp "$THIS_DIR/nasp" "/etc/sudoers.d/nasp"
     for file in "$THIS_DIR"/../authorized_keys/* ; do
         if [[ ! -d "$file" ]]; then
             continue
diff --git a/scripts/testbed_deploy.sh b/scripts/testbed_deploy.sh
index ed75701..1a77072 100755
--- a/scripts/testbed_deploy.sh
+++ b/scripts/testbed_deploy.sh
@@ -17,4 +17,4 @@ insert_if_not_exist()
 
 insert_if_not_exist "/etc/crontab" "*/5 * * * * cd \"$THIS_DIR\" && git pull && \"$THIS_DIR\"/testbed_cron.sh"
 
-\"$THIS_DIR\"/testbed_cron.sh
+"$THIS_DIR"/testbed_cron.sh