diff --git a/src/webrtc/webrtcManager.js b/src/webrtc/webrtcManager.js
index 1bc885d..d47bdba 100644
--- a/src/webrtc/webrtcManager.js
+++ b/src/webrtc/webrtcManager.js
@@ -16,7 +16,7 @@ export class WebRTCManager {
 
     async init() {
         try {
-            await this.acquireLocalStream(); // ✅ 이름도 의미에 맞게 변경
+            await this.acquireLocalStream(); // ✅ 이름도 의미에 맞게 변경gg
             this.setupSignaling();
             console.log('✅ WebRTC 매니저 초기화 완료');
         } catch (err) {
@@ -58,6 +58,7 @@ export class WebRTCManager {
 
         this.ws.onmessage = (event) => {
             const msg = JSON.parse(event.data);
+            console.log('socket 메시지', msg)
             if (msg.type === 'your-id') {
                 this.myId = msg.id;
                 console.log('내 ID:', this.myId);
@@ -68,7 +69,9 @@ export class WebRTCManager {
                     this.addIceCandidateQueue.forEach(c => this.addIceCandidate(c));
                     this.addIceCandidateQueue = [];
                 }
+                this.peerId = msg.source
             } else if (msg.type === 'answer') {
+                console.log('answer:', this.myId);
                 this.setRemoteDescription(msg.sdp);
             } else if (msg.type === 'candidate') {
                 this.addIceCandidate(msg.candidate);
@@ -80,6 +83,7 @@ export class WebRTCManager {
         };
     }
 
+
     createPeerConnection() {
         if (!this.isInitialized || !this.localStream) {
             throw new Error('RTC가 초기화되지 않았거나 마이크 스트림이 없습니다.');
@@ -95,20 +99,36 @@ export class WebRTCManager {
 
         this.localStream.getTracks().forEach(track => {
             this.pc.addTrack(track, this.localStream);
+            console.log(this.pc);
         });
 
         this.pc.ontrack = (event) => {
             this.remoteStream = event.streams[0];
+            console.log('ontrack', this.remoteStream)
             if (this.onRemoteStream) this.onRemoteStream(this.remoteStream);
         };
 
+        this.onRemoteStream = (stream) => {
+            const audio = new Audio();
+            audio.muted = false;
+            audio.volume =  1;
+            audio.srcObject = stream;
+            audio.play().catch(e => console.warn('자동 재생 실패:', e));
+            console.log('음성실행')
+        }
+
         this.pc.onicecandidate = (event) => {
-            if (event.candidate && this.ws?.readyState === WebSocket.OPEN) {
-                this.ws.send(JSON.stringify({
-                    target: this.peerId,
-                    type: 'candidate',
-                    candidate: event.candidate
-                }));
+            if (event.candidate) {
+                console.log('📤 ICE Candidate:', event.candidate.candidate);
+                if (this.ws?.readyState === WebSocket.OPEN) {
+                    this.ws.send(JSON.stringify({
+                        target: this.peerId,
+                        type: 'candidate',
+                        candidate: event.candidate
+                    }));
+                }
+            } else {
+                console.log('✅ ICE Candidate 수집 완료');
             }
         };
 
@@ -131,22 +151,26 @@ export class WebRTCManager {
         this.peerId = targetId;
         this.createPeerConnection();
         const offer = await this.pc.createOffer();
+
         await this.pc.setLocalDescription(offer);
 
         this.ws.send(JSON.stringify({
             target: targetId,
+            source: this.myId,
             type: 'offer',
             sdp: offer
         }));
         console.log('📤 Offer 전송 완료');
-        console.log('📤 Offer SDP:', offer.sdp);
 
     }
 
     async setRemoteDescription(sdp) {
         // ✅ PeerConnection이 없으면 자동 생성 (수신 측 대응)
         if (!this.pc) {
-            this.createPeerConnection(); // ← pc 생성 + localStream 트랙 추가
+            if (!this.localStream) {
+                throw new Error('로컬 스트림이 준비되지 않았습니다. init()을 먼저 호출하세요.');
+            }
+            this.createPeerConnection();
         }
 
         await this.pc.setRemoteDescription(new RTCSessionDescription(sdp));
@@ -155,17 +179,20 @@ export class WebRTCManager {
             const answer = await this.pc.createAnswer();
             await this.pc.setLocalDescription(answer);
 
+            console.log(this.peerId)
             this.ws.send(JSON.stringify({
                 target: this.peerId || 'unknown',
                 type: 'answer',
                 sdp: answer
             }));
 
-            console.log('📥 Answer 전송 완료');
+            console.log('📥 Answer 전송 완료', sdp);
             console.log('로컬 스트림 트랙 수:', this.localStream.getTracks().length);
         }
+
     }
 
+
     async addIceCandidate(candidate) {
         if (this.pc && this.pc.remoteDescription) {
             await this.pc.addIceCandidate(new RTCIceCandidate(candidate));