diff --git a/relay/service.js b/relay/service.js
index 01a2296..a515883 100644
--- a/relay/service.js
+++ b/relay/service.js
@@ -1,15 +1,24 @@
 (() => {
-
+const log = require('signale');
 const { execSync } = require('child_process');
 const branch = 'master';
 
-const remoteHash = execSync('git ls-remote https://')
-
+function update() {
+	const remoteHash = execSync('git ls-remote https://github.com/marcus13345/valnet.git').toString().split(/[\t\n]/g)[0].trim();
+	const localHash = execSync(`git rev-parse ${branch}`).toString().trim();
+	if(remoteHash !== localHash) {
+		log.info('remote hash:', remoteHash);
+		log.info('local hash: ', localHash);
+		process.exit(2);
+	}
+}
 
 
 
 
+require('./index.js');
 
+setInterval(update, 5000);