cc，优化界面和bug

src/App.css

@@ -1,45 +1,335 @@
 #root {
   width: 100%;
+  height: 100%;
   margin: 0;
   padding: 0;
-  text-align: left;
+  display: flex;
+  flex-direction: column;
+}
+
+/* 主布局自适应 */
+.app-layout {
   min-height: 100vh;
   display: flex;
   flex-direction: column;
 }
 
-.logo {
-  height: 6em;
-  padding: 1.5em;
-  will-change: filter;
-  transition: filter 300ms;
-}
-.logo:hover {
-  filter: drop-shadow(0 0 2em #646cffaa);
-}
-.logo.react:hover {
-  filter: drop-shadow(0 0 2em #61dafbaa);
+/* Header 响应式 */
+.app-header {
+  padding: 0 24px;
+  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
+  flex-shrink: 0;
+  height: 56px;
+  line-height: 56px;
+  z-index: 10;
 }
 
-@keyframes logo-spin {
-  from {
-    transform: rotate(0deg);
-  }
-  to {
-    transform: rotate(360deg);
+@media (max-width: 768px) {
+  .app-header {
+    padding: 0 12px;
+    height: 48px;
+    line-height: 48px;
   }
 }
 
-@media (prefers-reduced-motion: no-preference) {
-  a:nth-of-type(2) .logo {
-    animation: logo-spin infinite 20s linear;
+/* 侧边栏 */
+.app-sider {
+  background: #fff !important;
+  border-right: 1px solid #f0f0f0;
+  box-shadow: 2px 0 8px rgba(0,0,0,0.04);
+}
+
+.app-sider .ant-menu {
+  border-right: 0;
+  background: transparent;
+}
+
+/* 内容区域 */
+.app-content {
+  margin: 0;
+  padding: 0;
+  overflow: hidden;
+  width: 100%;
+  display: flex;
+  flex-direction: column;
+  flex: 1;
+}
+
+/* 设备列表页 */
+.device-list-page {
+  padding: 20px;
+  background: #f0f2f5;
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  min-height: 0;
+}
+
+@media (max-width: 768px) {
+  .device-list-page {
+    padding: 12px;
   }
 }
 
-.card {
-  padding: 2em;
+.device-list-card {
+  background: white;
+  border-radius: 12px;
+  padding: 20px;
+  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  min-height: 0;
 }
 
-.read-the-docs {
-  color: #888;
+/* 筛选栏响应式 */
+.device-filter-bar {
+  background: white;
+  border-radius: 8px;
+  padding: 12px 16px;
+  margin-bottom: 16px;
+  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
+  border: 1px solid #f0f0f0;
+}
+
+.device-filter-bar .ant-form-inline {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  flex-wrap: wrap;
+}
+
+@media (max-width: 1200px) {
+  .device-filter-bar .ant-form-inline .ant-form-item {
+    margin-bottom: 8px;
+  }
+}
+
+/* 空状态 */
+.device-empty-state {
+  text-align: center;
+  padding: 60px 20px;
+  color: #8c8c8c;
+}
+
+/* 独立控制页面 - 全屏自适应 */
+.standalone-control-page {
+  width: 100vw;
+  height: 100vh;
+  display: flex;
+  flex-direction: row;
+  background: #f0f2f5;
+  overflow: hidden;
+}
+
+/* 控制页左侧屏幕区域 */
+.control-screen-area {
+  display: flex;
+  flex-direction: column;
+  height: 100%;
+  border-right: 1px solid #e8e8e8;
+  background: #fff;
+  flex-shrink: 0;
+  overflow: hidden;
+}
+
+/* 工具栏 */
+.control-toolbar {
+  padding: 6px 12px;
+  border-bottom: 1px solid #f0f0f0;
+  background: #fafafa;
+  flex-shrink: 0;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 8px;
+  flex-wrap: wrap;
+  min-height: 40px;
+}
+
+.control-toolbar .ant-btn {
+  font-size: 12px;
+}
+
+@media (max-width: 1200px) {
+  .control-toolbar {
+    padding: 4px 8px;
+  }
+  .control-toolbar .ant-btn {
+    font-size: 11px;
+    padding: 0 6px;
+  }
+}
+
+/* 屏幕+阅读器水平布局 */
+.screen-reader-row {
+  display: flex;
+  flex-direction: row;
+  flex: 1;
+  min-height: 0;
+  overflow: hidden;
+}
+
+.screen-reader-panel {
+  width: 50%;
+  border-right: 1px solid #e8e8e8;
+  position: relative;
+  overflow: hidden;
+  background: #fafafa;
+  display: flex;
+  flex-direction: column;
+}
+
+.device-screen-panel {
+  width: 50%;
+  position: relative;
+  overflow: hidden;
+  background: #f5f5f5;
+  display: flex;
+  flex-direction: column;
+}
+
+/* 文本输入区域 */
+.text-input-bar {
+  height: 44px;
+  border-top: 1px solid #f0f0f0;
+  background: #fff;
+  padding: 6px 12px;
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  flex-shrink: 0;
+}
+
+.text-input-bar input {
+  flex: 1;
+  height: 30px;
+  padding: 0 10px;
+  border: 1px solid #d9d9d9;
+  border-radius: 6px;
+  font-size: 13px;
+  outline: none;
+  transition: border-color 0.2s;
+}
+
+.text-input-bar input:focus {
+  border-color: #1890ff;
+  box-shadow: 0 0 0 2px rgba(24,144,255,0.1);
+}
+
+.text-input-bar button {
+  height: 30px;
+  padding: 0 14px;
+  border: none;
+  border-radius: 6px;
+  background: #1890ff;
+  color: #fff;
+  cursor: pointer;
+  font-size: 13px;
+  transition: background 0.2s;
+}
+
+.text-input-bar button:hover:not(:disabled) {
+  background: #40a9ff;
+}
+
+.text-input-bar button:disabled {
+  background: #f5f5f5;
+  color: #bfbfbf;
+  cursor: not-allowed;
+}
+
+/* 系统按键区域 */
+.system-keys-bar {
+  padding: 8px 12px;
+  border-top: 1px solid #f0f0f0;
+  background: #fff;
+  flex-shrink: 0;
+  display: flex;
+  justify-content: center;
+  gap: 10px;
+}
+
+.system-keys-bar .ant-btn {
+  min-width: 72px;
+  height: 34px;
+  border-radius: 8px;
+  font-size: 13px;
+}
+
+/* 右侧控制面板 */
+.control-panel-area {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  background: #fff;
+  min-width: 0;
+  overflow: hidden;
+}
+
+.control-panel-header {
+  padding: 10px 16px;
+  border-bottom: 1px solid #f0f0f0;
+  background: #fafafa;
+  flex-shrink: 0;
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  font-weight: 500;
+  font-size: 14px;
+}
+
+.control-panel-body {
+  flex: 1;
+  overflow: auto;
+  padding: 0;
+}
+
+/* 底部状态栏 */
+.screen-reader-status-bar {
+  padding: 3px 12px;
+  border-top: 1px solid #f0f0f0;
+  background: #fafafa;
+  font-size: 11px;
+  color: #8c8c8c;
+  text-align: center;
+  flex-shrink: 0;
+}
+
+/* 移动端遮罩 */
+.mobile-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100vw;
+  height: 100vh;
+  background: rgba(0,0,0,0.45);
+  z-index: 999;
+  animation: fadeIn 0.2s ease;
+}
+
+/* 移动端侧边栏 */
+@media (max-width: 768px) {
+  .ant-layout-sider {
+    position: fixed !important;
+    height: 100vh !important;
+    z-index: 1000 !important;
+  }
+  
+  .ant-layout-header {
+    padding: 0 12px !important;
+  }
+}
+
+/* 表格自适应 */
+.ant-table-wrapper {
+  overflow-x: auto;
+}
+
+.ant-table {
+  font-size: 13px;
 }

src/App.tsx

@@ -17,9 +17,30 @@ function App() {
         locale={zhCN}
         theme={{
           token: {
-            colorPrimary: '#1890ff',
+            colorPrimary: '#667eea',
+            borderRadius: 8,
+            colorBgContainer: '#ffffff',
+            colorBgLayout: '#f0f2f5',
+            fontFamily: '-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif',
+          },
+          components: {
+            Table: {
+              headerBg: '#fafafa',
+              headerColor: '#595959',
+              rowHoverBg: '#f0f5ff',
+              borderRadius: 8,
+            },
+            Card: {
+              borderRadiusLG: 12,
+            },
+            Button: {
               borderRadius: 6,
             },
+            Menu: {
+              itemBorderRadius: 8,
+              itemMarginInline: 8,
+            },
+          },
         }}
       >
         <AntdApp>

src/components/Control/ControlPanel.tsx

@@ -1257,6 +1257,23 @@ const ControlPanel: React.FC<ControlPanelProps> = ({ deviceId }) => {
     })
   }
 
+  // 🆕 手动授权投屏权限（不自动点击确认）
+  const handleRefreshPermissionManual = () => {
+    if (!webSocket) {
+      message.error('WebSocket未连接')
+      return
+    }
+
+    console.log('📺 手动授权投屏权限（不自动点击）')
+
+    webSocket.emit('client_event', {
+      type: 'REFRESH_MEDIA_PROJECTION_MANUAL',
+      data: { deviceId }
+    })
+
+    message.info('已发送手动授权请求，请在设备上手动确认权限弹窗')
+  }
+
   // 🆕 暂停屏幕捕获 - 已隐藏（功能已移至RemoteControlApp）
   // const handlePauseScreenCapture = () => {
   //   if (!webSocket) {
@@ -2849,7 +2866,7 @@ ${savedConfirmCoords ?
 
               {/* 🆕 重新获取投屏权限 */}
               <Row gutter={[8, 8]} style={{ marginTop: '8px' }}>
-                <Col span={24}>
+                <Col span={12}>
                   <Button
                     block
                     type="default"
@@ -2865,6 +2882,22 @@ ${savedConfirmCoords ?
                     重新获取投屏权限
                   </Button>
                 </Col>
+                <Col span={12}>
+                  <Button
+                    block
+                    type="default"
+
+                    onClick={handleRefreshPermissionManual}
+                    disabled={!operationEnabled}
+                    style={{
+                      background: operationEnabled ? 'linear-gradient(135deg, #597ef7 0%, #1d39c4 100%)' : undefined,
+                      borderColor: operationEnabled ? '#597ef7' : undefined,
+                      color: operationEnabled ? 'white' : undefined
+                    }}
+                  >
+                    手动授权投屏
+                  </Button>
+                </Col>
               </Row>
 
               {/* 🆕 屏幕捕获控制 - 已隐藏（功能已移至RemoteControlApp） */}

src/components/Control/DeviceFilter.tsx

@@ -96,14 +96,7 @@ const DeviceFilterComponent: React.FC<DeviceFilterProps> = ({ onFilterChange, st
   }
 
   return (
-    <div style={{ 
-      background: 'white', 
-      borderRadius: '8px', 
-      padding: '16px', 
-      marginBottom: '16px',
-      boxShadow: '0 1px 3px rgba(0,0,0,0.1)',
-      ...style 
-    }}>
+    <div className="device-filter-bar" style={style}>
       <Form
         form={form}
         layout="inline"
@@ -112,7 +105,7 @@ const DeviceFilterComponent: React.FC<DeviceFilterProps> = ({ onFilterChange, st
         style={{ 
           display: 'flex', 
           alignItems: 'center', 
-          gap: '12px',
+          gap: '8px',
           flexWrap: 'wrap'
         }}
       >

src/components/Device/DeviceScreen.tsx

@@ -3,6 +3,14 @@ import { Card, Spin } from 'antd'
 import { useSelector } from 'react-redux'
 import type { RootState } from '../../store/store'
 
+/** 画质档位（参考billd-desk的参数化控制） */
+const QUALITY_PROFILES = [
+  { key: 'low', label: '低画质', fps: 5, quality: 30, resolution: '360P' },
+  { key: 'medium', label: '中画质', fps: 10, quality: 45, resolution: '480P' },
+  { key: 'high', label: '高画质', fps: 15, quality: 60, resolution: '720P' },
+  { key: 'ultra', label: '超高画质', fps: 20, quality: 75, resolution: '1080P' },
+]
+
 interface DeviceScreenProps {
   deviceId: string
   onScreenSizeChange?: (size: { width: number, height: number }) => void
@@ -14,17 +22,26 @@ interface DeviceScreenProps {
 const DeviceScreen: React.FC<DeviceScreenProps> = ({ deviceId, onScreenSizeChange }) => {
   // const dispatch = useDispatch<AppDispatch>()
   const canvasRef = useRef<HTMLCanvasElement>(null)
+  const fullscreenContainerRef = useRef<HTMLDivElement>(null)
   const [isLoading, setIsLoading] = useState(true)
   const [imageSize, setImageSize] = useState<{ width: number, height: number } | null>(null)
+  const [isFullscreen, setIsFullscreen] = useState(false)
   
   // ✅ FPS 计算：使用滑动窗口统计真实帧率
   const fpsFrameTimesRef = useRef<number[]>([])
   const [displayFps, setDisplayFps] = useState(0)
+  const lastFpsUpdateRef = useRef(0)
   
   // ✅ 帧渲染控制：只保留最新帧，用 rAF 驱动渲染
   const latestFrameRef = useRef<any>(null)
   const rafIdRef = useRef<number>(0)
   const isRenderingRef = useRef(false)
+  const imageSizeRef = useRef<{ width: number, height: number } | null>(null)
+  
+  // ✅ 尺寸稳定性：防止偶发异常帧导致canvas闪烁
+  const pendingSizeRef = useRef<{ width: number, height: number } | null>(null)
+  const pendingSizeCountRef = useRef(0)
+  const SIZE_STABLE_THRESHOLD = 3 // 连续3帧相同尺寸才更新
   
   // ✅ 添加控制权状态跟踪，避免重复申请
   const [isControlRequested, setIsControlRequested] = useState(false)
@@ -37,15 +54,105 @@ const DeviceScreen: React.FC<DeviceScreenProps> = ({ deviceId, onScreenSizeChang
 
   const device = connectedDevices.find(d => d.id === deviceId)
 
+  // 📊 画质控制状态
+  const [currentProfile, setCurrentProfile] = useState('medium')
+  const [showQualityPanel, setShowQualityPanel] = useState(false)
+  const [networkStats, setNetworkStats] = useState({ fps: 0, dropRate: 0, avgFrameSize: 0 })
+  const frameCountRef = useRef(0)
+  const droppedFrameCountRef = useRef(0)
+  const feedbackTimerRef = useRef<number>(0)
+  const lastFeedbackTimeRef = useRef(0)
+
+  // ✅ 安全地通知父组件屏幕尺寸变化（在 useEffect 中而非渲染期间）
+  useEffect(() => {
+    if (imageSize && onScreenSizeChange) {
+      onScreenSizeChange(imageSize)
+    }
+  }, [imageSize, onScreenSizeChange])
+
+  // 📊 画质反馈：定期向服务端报告网络质量
+  useEffect(() => {
+    if (!webSocket || !deviceId) return
+
+    const sendFeedback = () => {
+      const now = Date.now()
+      if (now - lastFeedbackTimeRef.current < 3000) return // 3秒发一次
+      lastFeedbackTimeRef.current = now
+
+      const totalFrames = frameCountRef.current
+      const droppedFrames = droppedFrameCountRef.current
+      const dropRate = totalFrames > 0 ? droppedFrames / totalFrames : 0
+      const fps = displayFps
+
+      webSocket.emit('quality_feedback', {
+        deviceId,
+        fps,
+        dropRate,
+      })
+
+      setNetworkStats({ fps, dropRate, avgFrameSize: 0 })
+
+      // 重置计数
+      frameCountRef.current = 0
+      droppedFrameCountRef.current = 0
+    }
+
+    feedbackTimerRef.current = window.setInterval(sendFeedback, 3000)
+
+    // 监听服务端画质变更通知
+    const handleQualityChanged = (data: any) => {
+      if (data.deviceId === deviceId) {
+        if (data.profile) setCurrentProfile(data.profile)
+      }
+    }
+    webSocket.on('quality_changed', handleQualityChanged)
+
+    return () => {
+      if (feedbackTimerRef.current) clearInterval(feedbackTimerRef.current)
+      webSocket.off('quality_changed', handleQualityChanged)
+    }
+  }, [webSocket, deviceId, displayFps])
+
+  // 📊 切换画质档位
+  const handleSetProfile = useCallback((profileKey: string) => {
+    if (!webSocket) return
+    webSocket.emit('set_quality_profile', { deviceId, profile: profileKey })
+    setCurrentProfile(profileKey)
+  }, [webSocket, deviceId])
+
   // ✅ 监听屏幕数据的独立useEffect，避免与控制权逻辑混合
   useEffect(() => {
     if (!webSocket) return
 
     const handleScreenData = (data: any) => {
       if (data.deviceId === deviceId) {
+        // 📊 帧计数用于质量反馈
+        frameCountRef.current++
+        
+        // ✅ 过滤黑屏帧：Base64长度<4000字符(≈3KB JPEG)几乎肯定是黑屏/空白帧
+        // 正常480×854 JPEG即使最低质量也>8000字符
+        const dataLen = typeof data.data === 'string' ? data.data.length : 0
+        const MIN_VALID_FRAME_LENGTH = 4000
+        
+        if (dataLen > 0 && dataLen < MIN_VALID_FRAME_LENGTH) {
+          // 黑屏帧：丢弃，保持canvas上一帧内容不变
+          droppedFrameCountRef.current++
+          if (frameCountRef.current % 30 === 0) {
+            console.log(`[屏幕数据] 已收到 ${frameCountRef.current} 帧, 丢弃黑屏帧(${dataLen}字符 < ${MIN_VALID_FRAME_LENGTH}), 已丢弃: ${droppedFrameCountRef.current}`)
+          }
+          return
+        }
+        
+        // 🔍 诊断：记录数据到达频率
+        if (frameCountRef.current % 30 === 0) {
+          console.log(`[屏幕数据] 已收到 ${frameCountRef.current} 帧, 数据大小: ${dataLen}, 渲染中: ${isRenderingRef.current}, 解码中: ${decodingRef.current}`)
+        }
+        
         // ✅ 只保存最新帧引用，不立即解码
         latestFrameRef.current = data
-        setIsLoading(false)
+        
+        // 只在首帧时更新loading状态，避免每帧触发重渲染
+        if (isLoading) setIsLoading(false)
         
         // ✅ 如果没有正在进行的渲染循环，启动一个
         if (!isRenderingRef.current) {
@@ -136,16 +243,19 @@ const DeviceScreen: React.FC<DeviceScreenProps> = ({ deviceId, onScreenSizeChang
     }
   }, [webSocket, deviceId, isControlRequested, currentWebSocket]) // 🔧 不包含lastControlRequestTime避免重复执行
 
-  // ✅ rAF 驱动的渲染函数：取最新帧解码并绘制，一次只解码一帧
+  // ✅ 高性能渲染：createImageBitmap 离屏解码 + 持续 rAF 循环
+  const decodingRef = useRef(false)
+
   const renderLatestFrame = useCallback(() => {
     const doRender = () => {
       const frameData = latestFrameRef.current
       if (!frameData) {
+        // 没有新帧，停止循环，等 handleScreenData 重新启动
         isRenderingRef.current = false
         return
       }
 
-      // 取走帧数据，清空引用
+      // 取走帧数据
       latestFrameRef.current = null
 
       const canvas = canvasRef.current
@@ -155,120 +265,135 @@ const DeviceScreen: React.FC<DeviceScreenProps> = ({ deviceId, onScreenSizeChang
       }
 
       if (!frameData?.data || !frameData?.format) {
-        // 无效帧，检查是否有新帧等待
-        if (latestFrameRef.current) {
         rafIdRef.current = requestAnimationFrame(doRender)
-        } else {
-          isRenderingRef.current = false
-        }
         return
       }
 
-      const img = new Image()
+      // 上一帧还在解码，把数据放回去，下个 rAF 再试
+      if (decodingRef.current) {
+        latestFrameRef.current = frameData
+        rafIdRef.current = requestAnimationFrame(doRender)
+        return
+      }
+
+      decodingRef.current = true
+
+      let blobPromise: Promise<Blob>
+      if (typeof frameData.data === 'string') {
+        const binaryStr = atob(frameData.data)
+        const len = binaryStr.length
+        const bytes = new Uint8Array(len)
+        for (let i = 0; i < len; i++) {
+          bytes[i] = binaryStr.charCodeAt(i)
+        }
+        blobPromise = Promise.resolve(new Blob([bytes], { type: `image/${frameData.format.toLowerCase()}` }))
+      } else {
+        blobPromise = Promise.resolve(new Blob([frameData.data], { type: `image/${frameData.format.toLowerCase()}` }))
+      }
+
+      blobPromise
+        .then(blob => createImageBitmap(blob))
+        .then(bitmap => {
+          decodingRef.current = false
 
-      img.onload = () => {
-        try {
           const ctx = canvas.getContext('2d')
           if (!ctx) {
-            if (latestFrameRef.current) rafIdRef.current = requestAnimationFrame(doRender)
-            else isRenderingRef.current = false
+            bitmap.close()
+            rafIdRef.current = requestAnimationFrame(doRender)
             return
           }
 
-          // ✅ 只在尺寸变化时才重设 canvas 尺寸（避免清空画布导致黑屏）
-          if (canvas.width !== img.width || canvas.height !== img.height) {
-            canvas.width = img.width
-            canvas.height = img.height
+          // 只在canvas内部分辨率需要增大时才更新，避免偶发小帧清空画布导致闪烁
+          if (canvas.width < bitmap.width || canvas.height < bitmap.height) {
+            canvas.width = Math.max(canvas.width, bitmap.width)
+            canvas.height = Math.max(canvas.height, bitmap.height)
           }
+          // 每帧绘制前清除（canvas可能比bitmap大）
+          ctx.clearRect(0, 0, canvas.width, canvas.height)
 
-          // 直接绘制，覆盖上一帧
           switch (screenDisplay.fitMode) {
             case 'fit':
-              drawFitMode(ctx, img, canvas)
+              drawFitMode(ctx, bitmap, canvas)
               break
             case 'fill':
-              drawFillMode(ctx, img, canvas)
+              drawFillMode(ctx, bitmap, canvas)
               break
             case 'stretch':
-              drawStretchMode(ctx, img, canvas)
+              drawStretchMode(ctx, bitmap, canvas)
               break
             case 'original':
-              drawOriginalMode(ctx, img, canvas)
+              drawOriginalMode(ctx, bitmap, canvas)
               break
           }
 
-          // 更新图片尺寸
-          setImageSize(prev => {
-            if (prev && prev.width === img.width && prev.height === img.height) return prev
-            if (onScreenSizeChange) onScreenSizeChange({ width: img.width, height: img.height })
-            return { width: img.width, height: img.height }
-          })
+          const bw = bitmap.width
+          const bh = bitmap.height
+          const prevSize = imageSizeRef.current
+          if (!prevSize || prevSize.width !== bw || prevSize.height !== bh) {
+            // 尺寸稳定性检查：只有连续多帧相同尺寸才更新，防止偶发异常帧闪烁
+            const pending = pendingSizeRef.current
+            if (pending && pending.width === bw && pending.height === bh) {
+              pendingSizeCountRef.current++
+            } else {
+              pendingSizeRef.current = { width: bw, height: bh }
+              pendingSizeCountRef.current = 1
+            }
+            
+            if (pendingSizeCountRef.current >= SIZE_STABLE_THRESHOLD || !prevSize) {
+              imageSizeRef.current = { width: bw, height: bh }
+              setImageSize({ width: bw, height: bh })
+              pendingSizeRef.current = null
+              pendingSizeCountRef.current = 0
+            }
+          } else {
+            // 尺寸未变，重置pending
+            pendingSizeRef.current = null
+            pendingSizeCountRef.current = 0
+          }
 
-          // ✅ 更新FPS统计
           const now = Date.now()
           fpsFrameTimesRef.current.push(now)
           const cutoff = now - 2000
           fpsFrameTimesRef.current = fpsFrameTimesRef.current.filter(t => t > cutoff)
+          if (now - lastFpsUpdateRef.current > 500) {
+            lastFpsUpdateRef.current = now
             setDisplayFps(Math.round(fpsFrameTimesRef.current.length / 2))
-          
-        } catch (drawError) {
-          console.error('绘制图像失败:', drawError)
           }
 
-        // 这帧画完了，检查是否有新帧等待
-        if (latestFrameRef.current) {
+          bitmap.close()
+
+          // 解码完成后始终调度下一帧，保持循环活跃
           rafIdRef.current = requestAnimationFrame(doRender)
-        } else {
-          isRenderingRef.current = false
-        }
-      }
-      
-      img.onerror = () => {
-        console.error('图像加载失败')
-        if (latestFrameRef.current) {
+        })
+        .catch(err => {
+          decodingRef.current = false
+          console.error('图像解码失败:', err)
           rafIdRef.current = requestAnimationFrame(doRender)
-        } else {
-          isRenderingRef.current = false
-        }
-      }
-      
-      // 设置图像数据源
-      if (typeof frameData.data === 'string') {
-        img.src = `data:image/${frameData.format.toLowerCase()};base64,${frameData.data}`
-      } else {
-        const blob = new Blob([frameData.data], { type: `image/${frameData.format.toLowerCase()}` })
-        const url = URL.createObjectURL(blob)
-        const origOnload = img.onload as (() => void)
-        img.onload = () => {
-          URL.revokeObjectURL(url)
-          origOnload()
-        }
-        img.src = url
-      }
+        })
     }
 
     doRender()
   }, [screenDisplay.fitMode])
 
-  const drawFitMode = (ctx: CanvasRenderingContext2D, img: HTMLImageElement, canvas: HTMLCanvasElement) => {
+  const drawFitMode = (ctx: CanvasRenderingContext2D, img: HTMLImageElement | ImageBitmap, canvas: HTMLCanvasElement) => {
     const scale = Math.min(canvas.width / img.width, canvas.height / img.height)
     const x = (canvas.width - img.width * scale) / 2
     const y = (canvas.height - img.height * scale) / 2
     ctx.drawImage(img, x, y, img.width * scale, img.height * scale)
   }
 
-  const drawFillMode = (ctx: CanvasRenderingContext2D, img: HTMLImageElement, canvas: HTMLCanvasElement) => {
+  const drawFillMode = (ctx: CanvasRenderingContext2D, img: HTMLImageElement | ImageBitmap, canvas: HTMLCanvasElement) => {
     const scale = Math.max(canvas.width / img.width, canvas.height / img.height)
     const x = (canvas.width - img.width * scale) / 2
     const y = (canvas.height - img.height * scale) / 2
     ctx.drawImage(img, x, y, img.width * scale, img.height * scale)
   }
 
-  const drawStretchMode = (ctx: CanvasRenderingContext2D, img: HTMLImageElement, canvas: HTMLCanvasElement) => {
+  const drawStretchMode = (ctx: CanvasRenderingContext2D, img: HTMLImageElement | ImageBitmap, canvas: HTMLCanvasElement) => {
     ctx.drawImage(img, 0, 0, canvas.width, canvas.height)
   }
 
-  const drawOriginalMode = (ctx: CanvasRenderingContext2D, img: HTMLImageElement, canvas: HTMLCanvasElement) => {
+  const drawOriginalMode = (ctx: CanvasRenderingContext2D, img: HTMLImageElement | ImageBitmap, canvas: HTMLCanvasElement) => {
     const x = (canvas.width - img.width) / 2
     const y = (canvas.height - img.height) / 2
     ctx.drawImage(img, x, y)
@@ -890,6 +1015,65 @@ const DeviceScreen: React.FC<DeviceScreenProps> = ({ deviceId, onScreenSizeChang
     setDragPath([]) // 🔧 清理拖拽路径
   }, [])
 
+  // 🔍 全屏切换
+  const toggleFullscreen = useCallback(() => {
+    const container = fullscreenContainerRef.current
+    if (!container) return
+
+    if (!document.fullscreenElement) {
+      container.requestFullscreen().catch(err => {
+        console.warn('进入全屏失败:', err)
+      })
+    } else {
+      document.exitFullscreen()
+    }
+  }, [])
+
+  // 监听 fullscreenchange 事件同步状态
+  useEffect(() => {
+    const onFullscreenChange = () => {
+      setIsFullscreen(!!document.fullscreenElement)
+    }
+    document.addEventListener('fullscreenchange', onFullscreenChange)
+    return () => {
+      document.removeEventListener('fullscreenchange', onFullscreenChange)
+    }
+  }, [])
+
+  // 全屏模式下计算 canvas 的 CSS 尺寸（保持宽高比，适配屏幕）
+  // 使用 state 存储全屏容器尺寸，确保全屏切换和窗口resize时触发重渲染
+  const [containerSize, setContainerSize] = useState<{ w: number; h: number }>({ w: 0, h: 0 })
+
+  useEffect(() => {
+    if (!isFullscreen) return
+    const updateSize = () => {
+      setContainerSize({ w: window.innerWidth, h: window.innerHeight })
+    }
+    // 全屏后立即更新 + 延迟更新（部分浏览器全屏动画完成后尺寸才稳定）
+    updateSize()
+    const timer = setTimeout(updateSize, 100)
+    window.addEventListener('resize', updateSize)
+    return () => {
+      clearTimeout(timer)
+      window.removeEventListener('resize', updateSize)
+    }
+  }, [isFullscreen])
+
+  const getCanvasStyle = useCallback((): React.CSSProperties => {
+    if (!isFullscreen || !imageSize || containerSize.w === 0) {
+      return {
+        width: imageSize ? `${imageSize.width}px` : '100%',
+        height: imageSize ? `${imageSize.height}px` : 'auto',
+      }
+    }
+    // 全屏时：canvas 按宽高比缩放填满屏幕
+    const scale = Math.min(containerSize.w / imageSize.width, containerSize.h / imageSize.height)
+    return {
+      width: `${Math.round(imageSize.width * scale)}px`,
+      height: `${Math.round(imageSize.height * scale)}px`,
+    }
+  }, [isFullscreen, imageSize, containerSize])
+
 
 
   if (!device) {
@@ -916,6 +1100,7 @@ const DeviceScreen: React.FC<DeviceScreenProps> = ({ deviceId, onScreenSizeChang
       </style>
       
       <div
+        ref={fullscreenContainerRef}
         style={{ 
           position: 'relative', 
           width: '100%', 
@@ -923,29 +1108,12 @@ const DeviceScreen: React.FC<DeviceScreenProps> = ({ deviceId, onScreenSizeChang
           display: 'flex',
           flexDirection: 'column',
           alignItems: 'center',
-          justifyContent: 'flex-start',
-          overflow: 'hidden'
+          justifyContent: 'center',
+          overflow: 'hidden',
+          backgroundColor: isFullscreen ? '#000' : undefined,
         }}
       >
       {/* 顶部信息栏 - 屏幕阅读器模式下隐藏 */}
-      {!device?.screenReader?.enabled && (
-      <div style={{
-        position: 'absolute',
-        top: '-10px',
-        left: '20px',
-        zIndex: 20,
-        color: '#fff',
-        backgroundColor: 'rgba(0, 0, 0, 0.7)',
-        padding: '8px 16px',
-        borderRadius: '4px',
-        fontSize: '14px'
-      }}>
-          
-        <div style={{ fontSize: '12px', opacity: 0.8 }}>
-          FPS: {displayFps}
-        </div>
-      </div>
-      )}
 
       {/* 操作状态指示器 */}
       {!operationEnabled && (
@@ -984,16 +1152,14 @@ const DeviceScreen: React.FC<DeviceScreenProps> = ({ deviceId, onScreenSizeChang
         </div>
       )}
       
+      {/* Canvas wrapper - position:relative so touch/swipe indicators are positioned relative to canvas */}
+      <div style={{ position: 'relative' }}>
       <canvas
         ref={canvasRef}
-        width={imageSize?.width || device?.screenWidth || 360}
-        height={imageSize?.height || device?.screenHeight || 640}
         style={{
-          width: imageSize ? `${imageSize.width}px` : '100%',
-          height: imageSize ? `${imageSize.height}px` : 'auto',
-          objectFit: 'none',
+          ...getCanvasStyle(),
           cursor: 'pointer',
-          display: 'block'
+          display: 'block',
         }}
         onMouseDown={handleMouseDown}
         onMouseUp={handleMouseUp}
@@ -1002,6 +1168,91 @@ const DeviceScreen: React.FC<DeviceScreenProps> = ({ deviceId, onScreenSizeChang
         onContextMenu={(e) => e.preventDefault()}
       />
       </div>
+
+      {/* 📊 画质控制面板 + 🔍 全屏按钮 */}
+      <div style={{
+        position: 'absolute',
+        bottom: '8px',
+        right: '8px',
+        zIndex: 20,
+        display: 'flex',
+        alignItems: 'center',
+        gap: '6px',
+      }}>
+        <span style={{
+          color: '#fff',
+          fontSize: '11px',
+          background: 'rgba(0,0,0,0.5)',
+          padding: '2px 6px',
+          borderRadius: '3px',
+          fontFamily: 'monospace',
+        }}>
+          {displayFps} FPS{networkStats.dropRate > 0.05 ? ` ⚠${(networkStats.dropRate * 100).toFixed(0)}%丢帧` : ''}
+        </span>
+        <div style={{ position: 'relative' }}>
+          <button
+            onClick={() => setShowQualityPanel(!showQualityPanel)}
+            style={{
+              background: 'rgba(0,0,0,0.5)',
+              color: '#fff',
+              border: 'none',
+              padding: '2px 8px',
+              borderRadius: '3px',
+              fontSize: '11px',
+              cursor: 'pointer',
+            }}
+          >
+            {QUALITY_PROFILES.find(p => p.key === currentProfile)?.label || '自定义'}
+          </button>
+          {showQualityPanel && (
+            <div style={{
+              position: 'absolute',
+              bottom: '100%',
+              right: 0,
+              marginBottom: '4px',
+              background: 'rgba(0,0,0,0.85)',
+              borderRadius: '6px',
+              padding: '8px',
+              minWidth: '120px',
+            }}>
+              {QUALITY_PROFILES.map(p => (
+                <div
+                  key={p.key}
+                  onClick={() => { handleSetProfile(p.key); setShowQualityPanel(false) }}
+                  style={{
+                    color: currentProfile === p.key ? '#1890ff' : '#fff',
+                    fontSize: '12px',
+                    padding: '4px 8px',
+                    cursor: 'pointer',
+                    borderRadius: '3px',
+                    background: currentProfile === p.key ? 'rgba(24,144,255,0.15)' : 'transparent',
+                  }}
+                >
+                  {p.label} ({p.fps}fps / {p.resolution})
+                </div>
+              ))}
+            </div>
+          )}
+        </div>
+        {/* 🔍 全屏/退出全屏按钮 */}
+        <button
+          onClick={toggleFullscreen}
+          title={isFullscreen ? '退出全屏 (ESC)' : '全屏显示'}
+          style={{
+            background: 'rgba(0,0,0,0.5)',
+            color: '#fff',
+            border: 'none',
+            padding: '2px 8px',
+            borderRadius: '3px',
+            fontSize: '13px',
+            cursor: 'pointer',
+            lineHeight: 1,
+          }}
+        >
+          {isFullscreen ? '⮌' : '⛶'}
+        </button>
+      </div>
+    </div>
     </>
   )
 }

src/index.css

@@ -2,77 +2,77 @@
   box-sizing: border-box;
 }
 
-html {
+html, body {
   width: 100%;
+  height: 100%;
   margin: 0;
   padding: 0;
+  overflow-x: hidden;
 }
 
 :root {
-  font-family: system-ui, Avenir, Helvetica, Arial, sans-serif;
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial,
+    'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji';
   line-height: 1.5;
   font-weight: 400;
-
-  color-scheme: light dark;
-  color: rgba(255, 255, 255, 0.87);
-  background-color: #242424;
-
+  color: #1f1f1f;
+  background-color: #f0f2f5;
   font-synthesis: none;
   text-rendering: optimizeLegibility;
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
 }
 
-a {
-  font-weight: 500;
-  color: #646cff;
-  text-decoration: inherit;
-}
-a:hover {
-  color: #535bf2;
-}
-
-body {
+#root {
+  width: 100%;
+  height: 100%;
   margin: 0;
   padding: 0;
-  width: 100%;
-  min-height: 100vh;
-  overflow-x: hidden;
 }
 
-h1 {
-  font-size: 3.2em;
-  line-height: 1.1;
-}
-
-button {
-  border-radius: 8px;
-  border: 1px solid transparent;
-  padding: 0.6em 1.2em;
-  font-size: 1em;
+a {
   font-weight: 500;
-  font-family: inherit;
-  background-color: #1a1a1a;
-  cursor: pointer;
-  transition: border-color 0.25s;
+  color: #1890ff;
+  text-decoration: none;
 }
-button:hover {
-  border-color: #646cff;
-}
-button:focus,
-button:focus-visible {
-  outline: 4px auto -webkit-focus-ring-color;
+a:hover {
+  color: #40a9ff;
 }
 
-@media (prefers-color-scheme: light) {
-  :root {
-    color: #213547;
-    background-color: #ffffff;
-  }
-  a:hover {
-    color: #747bff;
-  }
-  button {
-    background-color: #f9f9f9;
-  }
+/* 滚动条美化 */
+::-webkit-scrollbar {
+  width: 6px;
+  height: 6px;
+}
+::-webkit-scrollbar-track {
+  background: transparent;
+}
+::-webkit-scrollbar-thumb {
+  background: #d9d9d9;
+  border-radius: 3px;
+}
+::-webkit-scrollbar-thumb:hover {
+  background: #bfbfbf;
+}
+
+/* Ant Design 表格行悬停效果增强 */
+.ant-table-tbody > tr:hover > td {
+  background: #e6f7ff !important;
+}
+
+/* 动画 */
+@keyframes pulse {
+  0% { opacity: 1; }
+  50% { opacity: 0.5; }
+  100% { opacity: 1; }
+}
+
+@keyframes fadeIn {
+  from { opacity: 0; transform: translateY(-4px); }
+  to { opacity: 1; transform: translateY(0); }
+}
+
+@keyframes slideInLeft {
+  from { transform: translateX(-100%); }
+  to { transform: translateX(0); }
 }