diff --git a/frontend/src/remote.jsx b/frontend/src/remote.jsx
index d3a08bd..5805f37 100644
--- a/frontend/src/remote.jsx
+++ b/frontend/src/remote.jsx
@@ -8,10 +8,11 @@ export default function RemoteControl() {
     const [status, setStatus] = useState('disconnected'); // 'disconnected' | 'connecting' | 'connected'
     const [displays, setDisplays] = useState([]);
     const [selectedDisplay, setSelectedDisplay] = useState(null);
-    const [isControlling, setIsControlling] = useState(true);
+    const [isControlling, setIsControlling] = useState(false);
 
     const videoRef = useRef(null);
     const socketRef = useRef(null);
+    const dataChannelRef = useRef(null);
     const peerConnectionRef = useRef(null);
     const EMPLOYEE_ID = "psn14020_client";
 
@@ -46,6 +47,7 @@ export default function RemoteControl() {
             setStatus('connected');
             setIsControlling(true);
 
+            videoRef.current.requestFullscreen();
         })
 
         socket.on('icecandidate', async(data) => {
@@ -58,6 +60,17 @@ export default function RemoteControl() {
             setStatus('disconnected');
         });
 
+        socket.on('disconnect', () => {
+            setStatus('disconnected');
+            setIsControlling(false);
+            if(peerConnectionRef.current) {
+                socket.emit('forceClose', {targetId: employeeId, server: 'client'})
+            }
+            peerConnectionRef.current.close();
+            peerConnectionRef.current = null;
+            videoRef.current.requestFullscreen();
+        })
+
         return () => {
             socket.disconnect();
         };
@@ -70,6 +83,7 @@ export default function RemoteControl() {
             iceServers: [{urls: 'stun:stun.l.google.com:19302'}]
         });
 
+        dataChannelRef.current = await peerConnectionRef.current.createDataChannel("dataChannel", null);
         const offer = await peerConnectionRef.current.createOffer({offerToReceiveVideo: true})
         await peerConnectionRef.current.setLocalDescription(offer);
 
@@ -92,11 +106,16 @@ export default function RemoteControl() {
                 socketRef.current.emit('icecandidate', {type: 'icecandidate', targetId: employeeId, server:'client', 'candidate': event.candidate});
             }, 2000)
         }
+
     };
 
+
+    let nextInput = true;
+
     // 🖱️ 입력 이벤트 전달
     const handleMouseEvent = (e) => {
         if (!isControlling || !videoRef.current) return;
+        e.preventDefault();
 
         const video = videoRef.current;
         const rect = video.getBoundingClientRect();
@@ -108,19 +127,31 @@ export default function RemoteControl() {
         const scaleX = 1920 / video.videoWidth;
         const scaleY = 1080 / video.videoHeight;
 
-        socketRef.current?.emit('inputEvent', {
+        // socketRef.current?.emit('inputEvent', {
+        //     targetId: employeeId,
+        //     type: 'mouse',
+        //     action: e.type === 'click' ? 'click' : 'move',
+        //     x: x * scaleX,
+        //     y: y * scaleY,
+        //     button: e.button
+        // });
+
+        console.log(dataChannelRef.current);
+        dataChannelRef.current.send(JSON.stringify({
             targetId: employeeId,
             type: 'mouse',
             action: e.type === 'click' ? 'click' : 'move',
             x: x * scaleX,
             y: y * scaleY,
             button: e.button
-        });
+        }))
+
+
     };
 
     const handleKeyDown = (e) => {
         if (!isControlling) return;
-        socketRef.current?.emit('inputEvent', {
+        dataChannelRef.current.send(JSON.stringify({
             targetId: employeeId,
             type: 'keyboard',
             key: e.key,
@@ -128,7 +159,16 @@ export default function RemoteControl() {
             shiftKey: e.shiftKey,
             ctrlKey: e.ctrlKey,
             altKey: e.altKey
-        });
+        }))
+        // socketRef.current?.emit('inputEvent', {
+        //     targetId: employeeId,
+        //     type: 'keyboard',
+        //     key: e.key,
+        //     keyCode: e.keyCode,
+        //     shiftKey: e.shiftKey,
+        //     ctrlKey: e.ctrlKey,
+        //     altKey: e.altKey
+        // });
     };
 
     return (
@@ -197,45 +237,46 @@ export default function RemoteControl() {
                 <p style={{ fontSize: '18px', color: 'green' }}>✅ 연결 성공! 화면을 제어할 수 있습니다.</p>
             )}
 
-            {isControlling && (
+            <div
+                tabIndex={0}
+                style={{
+                    width: '100%',
+                    height: '600px',
+                    border: '2px solid #444',
+                    position: 'relative',
+                    outline: 'none',
+                    backgroundColor: '#000',
+                    display: isControlling ? 'block' : 'none',
+                }}
+                onMouseMove={handleMouseEvent}
+                onClick={handleMouseEvent}
+                onKeyDown={handleKeyDown}
+            >
+                <video
+                    ref={videoRef}
+                    autoPlay
+                    playsInline
+                    muted
+                    controls={false}
+                    controlsList={'nofullscreen'}
+                    style={{ width: '100%', height: '100%', objectFit: 'contain' }}
+                    className={'fullscreen'}
+                />
                 <div
-                    tabIndex={0}
                     style={{
-                        width: '100%',
-                        height: '600px',
-                        border: '2px solid #444',
-                        position: 'relative',
-                        outline: 'none',
-                        backgroundColor: '#000'
+                        position: 'absolute',
+                        top: '12px',
+                        left: '12px',
+                        background: 'rgba(0,0,0,0.7)',
+                        color: 'white',
+                        padding: '6px 12px',
+                        borderRadius: '4px',
+                        fontSize: '16px'
                     }}
-                    onMouseMove={handleMouseEvent}
-                    onClick={handleMouseEvent}
-                    onKeyDown={handleKeyDown}
                 >
-                    <video
-                        ref={videoRef}
-                        autoPlay
-                        playsInline
-                        controls
-                        muted
-                        style={{ width: '100%', height: '100%', objectFit: 'contain' }}
-                    />
-                    <div
-                        style={{
-                            position: 'absolute',
-                            top: '12px',
-                            left: '12px',
-                            background: 'rgba(0,0,0,0.7)',
-                            color: 'white',
-                            padding: '6px 12px',
-                            borderRadius: '4px',
-                            fontSize: '16px'
-                        }}
-                    >
-                        직원: {employeeId} | 모니터: {selectedDisplay}
-                    </div>
+                    직원: {employeeId} | 모니터: {selectedDisplay}
                 </div>
-            )}
+            </div>
         </div>
     );
 }
\ No newline at end of file
diff --git a/main.js b/main.js
index 63e6821..769d580 100644
--- a/main.js
+++ b/main.js
@@ -12,7 +12,7 @@ function createWindow() {
             sandbox: false
         }
     });
-    win.webContents.openDevTools();
+    // win.webContents.openDevTools();
 
     if (app.isPackaged) {
         win.loadFile(path.join(__dirname, 'frontend/dist/index.html'));