diff --git a/package-debian.sh b/package-debian.sh
index afac8a7e..1fb7895b 100644
--- a/package-debian.sh
+++ b/package-debian.sh
@@ -594,6 +594,9 @@ if command -v gtk-update-icon-cache >/dev/null 2>&1; then
 fi
 setcap 'CAP_NET_ADMIN+ep' /opt/v2rayN/bin/hev_socks5_tunnel/hev-socks5-tunnel
 chown -R v2rayn-core:v2rayn-core /opt/v2rayN/bin/hev_socks5_tunnel
+chmod 444 /opt/v2rayN/bin/hev_socks5_tunnel/v2rayn-tun.yaml
+chmod 544 /opt/v2rayN/bin/hev_socks5_tunnel/hev-socks5-tunnel
+chmod +x /opt/v2rayN/bin/sing_box/hev-socks5-tunnel
 exit 0
 EOF