diff --git a/src/download-v2ray.sh b/src/download-v2ray.sh
index 286cad2..ac65d9b 100644
--- a/src/download-v2ray.sh
+++ b/src/download-v2ray.sh
@@ -33,13 +33,12 @@ _download_v2ray_file() {
 
 _install_v2ray_service() {
 	if [[ $systemd ]]; then
-		cp -f "/tmp/v2ray/systemd/v2ray.service" "/lib/systemd/system/"
+		install -m 644 "/usr/bin/v2ray/systemd/v2ray.service" "/lib/systemd/system/"
 		sed -i "s/on-failure/always/" /lib/systemd/system/v2ray.service
 		systemctl enable v2ray
 	else
 		apt-get install -y daemon
-		cp "/tmp/v2ray/systemv/v2ray" "/etc/init.d/v2ray"
-		chmod +x "/etc/init.d/v2ray"
+		install -m 755 "/usr/bin/v2ray/systemv/v2ray" "/etc/init.d/v2ray"
 		update-rc.d -f v2ray defaults
 	fi
 }