diff --git a/glorytun/init b/glorytun/init
index fbf024c27..e6f8864fc 100755
--- a/glorytun/init
+++ b/glorytun/init
@@ -41,12 +41,19 @@ start_instance() {
 
 	[ "${enable}" = "1" ] || return 1
 	[ "${proto}" = "tcp" ] || return 1
-	[ -n "${key}" ] || return 1
+	[ -n "${key}" ] || {
+		_err "Key empty"
+		return 1
+	}
 	[ "${key}" != "secretkey" ] || return 1
 	[ -n "${port}" ] || return 1
 	[ -n "${dev}" ] || return 1
 
 	echo "${key}" > /tmp/${PROG_NAME}-${1}.key
+	[ -f "/tmp/${PROG_NAME}-${1}.key" ] || {
+		_err "can't create key file"
+		return 1
+	}
 	key=""
 
 	if [ "$(uci -q get network.omrvpn)" != "" ]; then
@@ -69,9 +76,9 @@ start_instance() {
 
 	procd_append_param command \
 		retry count -1 const 50000 \
-		timeout 40000 \
-		keepalive count 5 idle 60 interval 2 \
-		buffer-size 65500
+		timeout 4000 \
+		keepalive count 5 idle 30 interval 2 \
+		buffer-size 1000
 
 	procd_set_param respawn 0 30 0
 	procd_set_param file /tmp/${PROG_NAME}-${1}.key