diff --git a/src/main.js b/src/main.js
index 80e8fb5..b0dd76b 100644
--- a/src/main.js
+++ b/src/main.js
@@ -13,7 +13,7 @@ const audioPlayback = document.getElementById('audio-playback');
 const peerIdInput = document.getElementById('peer-id-input');
 
 // 인스턴스 생성
-const rtcManager = new WebRTCManager('http://localhost:3001');
+const rtcManager = new WebRTCManager('http://hmsn.ink:3001');
 const recorder = new AudioRecorder();
 const ui = new UIController({ callButton, hangupButton, recordButton, stopRecordButton, audioPlayback, peerIdInput });
 
diff --git a/src/webrtc/webrtcManager.js b/src/webrtc/webrtcManager.js
index f642127..a5aadd0 100644
--- a/src/webrtc/webrtcManager.js
+++ b/src/webrtc/webrtcManager.js
@@ -54,6 +54,7 @@ export class WebRTCManager {
 
         this.ws.onopen = () => {
             console.log('🔌 시그널링 서버 연결됨');
+            this.ws.send(JSON.stringify({type: 'login', sabun:'psn14020'}))
         };
 
         this.ws.onmessage = (event) => {