diff --git a/WebApp/client/public/onebyone/index.html b/WebApp/client/public/onebyone/index.html
index 1d7007a..8e1549e 100644
--- a/WebApp/client/public/onebyone/index.html
+++ b/WebApp/client/public/onebyone/index.html
@@ -201,11 +201,14 @@
             <div class="absolute bottom-6 right-6 w-64 h-48 rounded-2xl overflow-hidden shadow-2xl border-2 border-white/20 video-fade-in z-10">
                 <!-- [DATA_FIELD: localUser.videoStream] [TYPE: MediaStream | null] [BIND: srcObject] -->
                 <!-- [FALLBACK: localUser.avatar] [TYPE: string] [URL] -->
-                <img id="localVideo"
-                     src="https://images.unsplash.com/photo-1507003211169-0a1dd7228f2d?w=400&h=300&fit=crop"
-                     alt="本地视频"
-                     class="w-full h-full object-cover"
-                     data-field="localUser.videoStream">
+                <video id="localVideo"
+                       src="https://images.unsplash.com/photo-1507003211169-0a1dd7228f2d?w=400&h=300&fit=crop"
+                       alt="本地视频"
+                       class="w-full h-full object-cover"
+                       autoplay
+                       muted
+                       data-field="localUser.videoStream">
+                </video>
 
                 <!-- [CONDITIONAL_RENDER: localUser.mediaState.video === false] -->
                 <div id="localVideoPlaceholder" class="absolute inset-0 flex items-center justify-center bg-gradient-to-br from-indigo-900 to-purple-900 hidden" data-field="localUser.videoOff">
diff --git a/WebApp/client/public/onebyone/renderer.js b/WebApp/client/public/onebyone/renderer.js
index d9fd47c..2b3820d 100644
--- a/WebApp/client/public/onebyone/renderer.js
+++ b/WebApp/client/public/onebyone/renderer.js
@@ -70,6 +70,9 @@ class UIRenderer {
                 this.renderLocalVideo(state.session.localUser);
                 this.renderLocalUserStatus(state.session.localUser);
                 break;
+            case 'LOCAL_STREAM_OBTAINED':
+                this.renderLocalStream(state.localStream);
+                break;
             case 'REMOTE_MEDIA_CHANGE':
                 this.renderRemoteVideo(state.session.remoteUser);
                 break;
@@ -150,6 +153,18 @@ class UIRenderer {
         this.renderLocalUserStatus(localUser);
     }
 
+    // 渲染本地视频流
+    renderLocalStream(stream) {
+        if (this.elements.localVideo && stream) {
+            this.elements.localVideo.srcObject = stream;
+            this.elements.localVideo.autoplay = true;
+            this.elements.localVideo.muted = true; // 本地视频静音，避免回声
+            console.log('srcObject set successfully:', this.elements.localVideo.srcObject);
+        } else {
+            console.error('Either localVideo element or stream is missing');
+        }
+    }
+
     // 渲染本地用户状态
     renderLocalUserStatus(localUser) {
         // 更新本地媒体状态文本
diff --git a/WebApp/client/public/onebyone/store.js b/WebApp/client/public/onebyone/store.js
index 6203827..8f71c18 100644
--- a/WebApp/client/public/onebyone/store.js
+++ b/WebApp/client/public/onebyone/store.js
@@ -44,6 +44,9 @@ class CallStateManager {
             this.notify({ type: 'DURATION_UPDATE', duration: this.state.session.duration });
         }, 1000);
 
+        // 获取本地摄像头视频流
+        this.getLocalStream();
+
         // 模拟远端音频活动 (实际应由 WebRTC VAD 检测触发)
         this.simulateRemoteActivity();
 
@@ -51,13 +54,95 @@ class CallStateManager {
         this.simulateNetworkChange();
     }
 
-    // 更新本地媒体状态
-    updateLocalMedia(mediaType, value) {
-        this.state.session.localUser.mediaState[mediaType] = value;
-        this.notify({ type: 'LOCAL_MEDIA_CHANGE', mediaType, value });
+    // 获取本地摄像头视频流
+    async getLocalStream() {
+        try {
+            console.log('Requesting camera permission...');
 
-        // 发送媒体状态到服务器
-        this.emitMediaStateChange();
+            // 检查浏览器是否支持getUserMedia
+            if (!navigator.mediaDevices || !navigator.mediaDevices.getUserMedia) {
+                console.error('getUserMedia is not supported');
+                throw new Error('getUserMedia is not supported');
+            }
+
+            // 请求摄像头权限并获取媒体流
+            const stream = await navigator.mediaDevices.getUserMedia({
+                video: true,
+                audio: true
+            });
+
+            console.log('Stream obtained successfully:', stream);
+            console.log('Video tracks:', stream.getVideoTracks());
+            console.log('Audio tracks:', stream.getAudioTracks());
+
+            this.state.localStream = stream;
+            this.state.session.localUser.mediaState.video = true;
+            this.state.session.localUser.mediaState.audio = true;
+
+            console.log('Local stream stored, notifying UI...');
+
+            // 先通知视频流已获取
+            this.notify({ type: 'LOCAL_STREAM_OBTAINED', stream });
+            // 再通知媒体状态变化
+            this.notify({ type: 'LOCAL_MEDIA_CHANGE', mediaType: 'video', value: true });
+            this.notify({ type: 'LOCAL_MEDIA_CHANGE', mediaType: 'audio', value: true });
+
+            // 发送媒体状态到服务器
+            this.emitMediaStateChange();
+        } catch (error) {
+            console.error('Error getting local stream:', error);
+            // 如果获取视频失败，保持视频关闭状态
+            this.state.session.localUser.mediaState.video = false;
+            this.state.session.localUser.mediaState.audio = false;
+
+            // 通知媒体状态变化
+            this.notify({ type: 'LOCAL_MEDIA_CHANGE', mediaType: 'video', value: false });
+            this.notify({ type: 'LOCAL_MEDIA_CHANGE', mediaType: 'audio', value: false });
+        }
+    }
+
+    // 更新本地媒体状态
+    async updateLocalMedia(mediaType, value) {
+        // 如果是关闭视频，释放摄像头资源
+        if (mediaType === 'video' && !value && this.state.localStream) {
+            this.state.localStream.getTracks().forEach(track => {
+                if (track.kind === 'video') {
+                    track.stop();
+                }
+            });
+
+        }
+
+        // 如果是音频状态变化，控制本地音频轨道
+        if (mediaType === 'audio' && this.state.localStream) {
+            this.state.localStream.getTracks().forEach(track => {
+                if (track.kind === 'audio') {
+                    track.enabled = value;
+                }
+            });
+        }
+
+        // 如果是开启视频，重新获取摄像头资源
+        if (mediaType === 'video' && value ) {
+            if(this.state.localStream){
+                this.state.localStream=null;
+            }
+            //if(this.state.localStream.getVideoTracks().length==0){
+                 // 请求摄像头权限并获取媒体流
+                this.state.localStream = await navigator.mediaDevices.getUserMedia({
+                video: true,
+                audio: true
+            });
+           // }
+            await this.getLocalStream();
+        } else {
+            // 直接更新媒体状态
+            this.state.session.localUser.mediaState[mediaType] = value;
+            this.notify({ type: 'LOCAL_MEDIA_CHANGE', mediaType, value });
+
+            // 发送媒体状态到服务器
+            this.emitMediaStateChange();
+        }
     }
 
     // 更新远端媒体状态 (由 WebSocket 消息触发)