diff --git a/.env.development b/.env.development
index 2f7e897..09664d8 100644
--- a/.env.development
+++ b/.env.development
@@ -7,5 +7,7 @@ ENV = 'development'
 # 若依管理系统/开发环境
 VUE_APP_BASE_API = '/dev-api'
 
+VUE_APP_NVR_API = '/nvr-api'
+
 # 路由懒加载
 VUE_CLI_BABEL_TRANSPILE_MODULES = true
diff --git a/.env.production b/.env.production
index 8188545..ec7891a 100644
--- a/.env.production
+++ b/.env.production
@@ -6,3 +6,5 @@ ENV = 'production'
 
 # 若依管理系统/生产环境
 VUE_APP_BASE_API = '/prod-api'
+
+VUE_APP_NVR_API = 'http://192.168.1.86:28081'
diff --git a/.env.staging b/.env.staging
index 2d51ff0..013ebde 100644
--- a/.env.staging
+++ b/.env.staging
@@ -10,3 +10,5 @@ ENV = 'staging'
 
 # 若依管理系统/测试环境
 VUE_APP_BASE_API = '/stage-api'
+
+VUE_APP_NVR_API = '/nvr-api'
diff --git a/package.json b/package.json
index 8fa91c9..4d87b20 100644
--- a/package.json
+++ b/package.json
@@ -47,6 +47,7 @@
     "flv.js": "^1.6.2",
     "fuse.js": "6.4.3",
     "highlight.js": "9.18.5",
+    "hls.js": "^1.5.17",
     "js-beautify": "1.13.0",
     "js-cookie": "3.0.1",
     "jsencrypt": "3.0.0-rc.1",
diff --git a/src/api/nvrVideo.js b/src/api/nvrVideo.js
new file mode 100644
index 0000000..39495c9
--- /dev/null
+++ b/src/api/nvrVideo.js
@@ -0,0 +1,80 @@
+import axios from 'axios'
+
+const nvr = axios.create({
+  baseURL: process.env.VUE_APP_NVR_API || '/nvr-api',
+  timeout: 30000,
+  withCredentials: false
+})
+
+nvr.interceptors.response.use(
+  response => response,
+  error => {
+    const response = error.response
+    const data = response && response.data
+    const message = data && (data.message || data.msg)
+    const normalized = new Error(message || error.message || 'NVR 服务请求失败')
+    normalized.status = response && response.status
+    normalized.response = response
+    return Promise.reject(normalized)
+  }
+)
+
+const data = promise => promise.then(response => response.data)
+const uiBase = '/hik/nvr/playback/hls/ui'
+const playbackBase = '/hik/nvr/playback/hls'
+
+export function getNvrConfig() {
+  return data(nvr.get(`${uiBase}/config`))
+}
+
+export function startLive(cameraCode) {
+  return data(nvr.post(`${uiBase}/actions/live/start`, { cameraCode, streamType: 1 }))
+}
+
+export function getLiveStatus(cameraCode) {
+  return data(nvr.get(`${uiBase}/actions/live/status`, { params: { cameraCode }}))
+}
+
+export function stopLive(cameraCode) {
+  return data(nvr.post(`${uiBase}/actions/live/stop`, { cameraCode }))
+}
+
+export function controlPtz(payload) {
+  return data(nvr.post('/device/ptzcontrol', payload))
+}
+
+export function getPresetList(deviceCode, domainCode) {
+  return data(nvr.get(`/device/ptzpresetlist/${encodeURIComponent(deviceCode)}/${encodeURIComponent(domainCode)}`))
+}
+
+export function createPreset(payload) {
+  return data(nvr.post(`${uiBase}/actions/preset/create`, payload))
+}
+
+export function createSnapshot(deviceCode, domainCode) {
+  return data(nvr.get(`/platform/platformSnapshot/${encodeURIComponent(deviceCode)}/${encodeURIComponent(domainCode)}`))
+}
+
+export function downloadSnapshot(taskId) {
+  return nvr.get(`/platform/snapshot/${encodeURIComponent(taskId)}`, { responseType: 'blob' })
+}
+
+export function createPlaybackSession(payload) {
+  return data(nvr.post(`${uiBase}/sessions`, payload))
+}
+
+export function getPlaybackSession(sessionId) {
+  return data(nvr.get(`${playbackBase}/sessions/${encodeURIComponent(sessionId)}`))
+}
+
+export function controlPlayback(sessionId, payload) {
+  return data(nvr.post(`${uiBase}/sessions/${encodeURIComponent(sessionId)}/controls`, payload))
+}
+
+export function deletePlaybackSession(sessionId) {
+  return data(nvr.delete(`${playbackBase}/sessions/${encodeURIComponent(sessionId)}`))
+}
+
+export function downloadPlaybackClip(payload) {
+  return nvr.post('/hik/nvr/playback/clips/download', payload, { responseType: 'blob', timeout: 120000 })
+}
diff --git a/src/assets/images/nav/nav-area.png b/src/assets/images/nav/nav-area.png
new file mode 100644
index 0000000..85112ba
Binary files /dev/null and b/src/assets/images/nav/nav-area.png differ
diff --git a/src/assets/images/nav/nav-base-data.png b/src/assets/images/nav/nav-base-data.png
new file mode 100644
index 0000000..81f1200
Binary files /dev/null and b/src/assets/images/nav/nav-base-data.png differ
diff --git a/src/assets/images/nav/nav-defect.png b/src/assets/images/nav/nav-defect.png
new file mode 100644
index 0000000..2a37be3
Binary files /dev/null and b/src/assets/images/nav/nav-defect.png differ
diff --git a/src/assets/images/nav/nav-device.png b/src/assets/images/nav/nav-device.png
new file mode 100644
index 0000000..fde1f8f
Binary files /dev/null and b/src/assets/images/nav/nav-device.png differ
diff --git a/src/assets/images/nav/nav-home.png b/src/assets/images/nav/nav-home.png
new file mode 100644
index 0000000..793c828
Binary files /dev/null and b/src/assets/images/nav/nav-home.png differ
diff --git a/src/assets/images/nav/nav-monitor.png b/src/assets/images/nav/nav-monitor.png
new file mode 100644
index 0000000..5f44ae3
Binary files /dev/null and b/src/assets/images/nav/nav-monitor.png differ
diff --git a/src/assets/images/nav/nav-patrol-plan.png b/src/assets/images/nav/nav-patrol-plan.png
new file mode 100644
index 0000000..2b26068
Binary files /dev/null and b/src/assets/images/nav/nav-patrol-plan.png differ
diff --git a/src/assets/images/nav/nav-patrol-report.png b/src/assets/images/nav/nav-patrol-report.png
new file mode 100644
index 0000000..0232dbd
Binary files /dev/null and b/src/assets/images/nav/nav-patrol-report.png differ
diff --git a/src/assets/images/nav/nav-patrol-schedule.png b/src/assets/images/nav/nav-patrol-schedule.png
new file mode 100644
index 0000000..47c9c00
Binary files /dev/null and b/src/assets/images/nav/nav-patrol-schedule.png differ
diff --git a/src/assets/images/nav/nav-patrol-task.png b/src/assets/images/nav/nav-patrol-task.png
new file mode 100644
index 0000000..f8d2ebb
Binary files /dev/null and b/src/assets/images/nav/nav-patrol-task.png differ
diff --git a/src/assets/images/nav/nav-site-implementation.png b/src/assets/images/nav/nav-site-implementation.png
new file mode 100644
index 0000000..d74ab9e
Binary files /dev/null and b/src/assets/images/nav/nav-site-implementation.png differ
diff --git a/src/assets/images/nav/nav-site.png b/src/assets/images/nav/nav-site.png
new file mode 100644
index 0000000..c88e10d
Binary files /dev/null and b/src/assets/images/nav/nav-site.png differ
diff --git a/src/assets/images/nav/nav-system.png b/src/assets/images/nav/nav-system.png
new file mode 100644
index 0000000..d81524e
Binary files /dev/null and b/src/assets/images/nav/nav-system.png differ
diff --git a/src/assets/images/nav/nav-task-management.png b/src/assets/images/nav/nav-task-management.png
new file mode 100644
index 0000000..76da924
Binary files /dev/null and b/src/assets/images/nav/nav-task-management.png differ
diff --git a/src/assets/images/nav/nav-video-playback.png b/src/assets/images/nav/nav-video-playback.png
new file mode 100644
index 0000000..5708c7f
Binary files /dev/null and b/src/assets/images/nav/nav-video-playback.png differ
diff --git a/src/assets/images/nav/nav-video-preview.png b/src/assets/images/nav/nav-video-preview.png
new file mode 100644
index 0000000..d02ef2f
Binary files /dev/null and b/src/assets/images/nav/nav-video-preview.png differ
diff --git a/src/components/Breadcrumb/index.vue b/src/components/Breadcrumb/index.vue
index c8e855e..e77313a 100644
--- a/src/components/Breadcrumb/index.vue
+++ b/src/components/Breadcrumb/index.vue
@@ -46,7 +46,7 @@ export default {
         matched = router.matched.filter(item => item.meta && item.meta.title)
       }
       // 判断是否为首页
-      if (!this.isDashboard(matched[0])) {
+      if (!this.isPatrolWorkspace() && !this.isDashboard(matched[0])) {
         matched = [{ path: "/index", meta: { title: "首页" } }].concat(matched)
       }
       this.levelList = matched.filter(item => item.meta && item.meta.title && item.meta.breadcrumb !== false)
@@ -85,6 +85,9 @@ export default {
       }
       this.$router.push(path)
     },
+    isPatrolWorkspace() {
+      return this.$route.matched.some(route => route.meta && route.meta.patrolWorkspace)
+    },
     titleFn(item, children) {
       let str = "";
       let lang = localStorage.getItem("language");
diff --git a/src/layout/components/AppMain.vue b/src/layout/components/AppMain.vue
index 07b87a1..e808486 100644
--- a/src/layout/components/AppMain.vue
+++ b/src/layout/components/AppMain.vue
@@ -66,6 +66,14 @@ export default {
   padding-top: 108px;
 }
 
+.app-main.patrolWorkspace.hasTagsView {
+  height: calc(100vh - 40px);
+}
+
+.fixed-header + .app-main.patrolWorkspace.hasTagsView {
+  padding-top: 40px;
+}
+
 </style>
 
 <style lang="scss">
diff --git a/src/layout/components/Sidebar/Item.vue b/src/layout/components/Sidebar/Item.vue
index d8cd0d9..510cc13 100644
--- a/src/layout/components/Sidebar/Item.vue
+++ b/src/layout/components/Sidebar/Item.vue
@@ -1,7 +1,8 @@
 <script>
-const dataNavIcon = require('@/assets/images/nav/data.png')
+const dataNavIcon = require('@/assets/images/nav/nav-base-data.png')
 const reservedIconTitles = new Set([
   '巡视任务',
+  '巡视方案',
   '点位管理',
   '巡视报告',
   '巡视计划',
@@ -9,17 +10,25 @@ const reservedIconTitles = new Set([
 ])
 
 const navIconMap = {
-  '首页': require('@/assets/images/nav/home.png'),
-  'Home': require('@/assets/images/nav/home.png'),
-  '遥视任务管理': require('@/assets/images/nav/task.png'),
-  '巡检任务管理': require('@/assets/images/nav/inspection-task.png'),
-  '巡视任务管理': require('@/assets/images/nav/inspection-task.png'),
-  '巡检任务': require('@/assets/images/nav/task.png'),
-  '设备管理': require('@/assets/images/nav/monitor.png'),
-  '点位管理(实施用)': require('@/assets/images/nav/point.png'),
-  '系统管理': require('@/assets/images/nav/system.png'),
-  '区域管理': require('@/assets/images/nav/area.png'),
-  '系统监控': require('@/assets/images/nav/monitor.png'),
+  '首页': require('@/assets/images/nav/nav-home.png'),
+  'Home': require('@/assets/images/nav/nav-home.png'),
+  '巡视任务': require('@/assets/images/nav/nav-patrol-task.png'),
+  '巡视方案': require('@/assets/images/nav/nav-patrol-plan.png'),
+  '点位管理': require('@/assets/images/nav/nav-site.png'),
+  '巡视报告': require('@/assets/images/nav/nav-patrol-report.png'),
+  '巡视计划': require('@/assets/images/nav/nav-patrol-schedule.png'),
+  '缺陷记录': require('@/assets/images/nav/nav-defect.png'),
+  '视频预览': require('@/assets/images/nav/nav-video-preview.png'),
+  '历史回放': require('@/assets/images/nav/nav-video-playback.png'),
+  '遥视任务管理': require('@/assets/images/nav/nav-task-management.png'),
+  '巡检任务管理': require('@/assets/images/nav/nav-task-management.png'),
+  '巡视任务管理': require('@/assets/images/nav/nav-task-management.png'),
+  '巡检任务': require('@/assets/images/nav/nav-task-management.png'),
+  '设备管理': require('@/assets/images/nav/nav-device.png'),
+  '点位管理(实施用)': require('@/assets/images/nav/nav-site-implementation.png'),
+  '系统管理': require('@/assets/images/nav/nav-system.png'),
+  '区域管理': require('@/assets/images/nav/nav-area.png'),
+  '系统监控': require('@/assets/images/nav/nav-monitor.png'),
   '基础数据': dataNavIcon
 }
 
diff --git a/src/layout/components/Sidebar/SidebarItem.vue b/src/layout/components/Sidebar/SidebarItem.vue
index aa5d92f..ee63c02 100644
--- a/src/layout/components/Sidebar/SidebarItem.vue
+++ b/src/layout/components/Sidebar/SidebarItem.vue
@@ -159,7 +159,11 @@ export default {
           str = "首页";
         }
       }
-      if (str === "点位管理" && this.basePath !== "/site-management") {
+      if (
+        str === "点位管理" &&
+        this.basePath !== "/site-management" &&
+        this.basePath !== "/inspection-workspace/points"
+      ) {
         str = "点位管理(实施用)";
       }
       return str;
diff --git a/src/layout/components/Sidebar/index.vue b/src/layout/components/Sidebar/index.vue
index 9a9b695..8bb1b6c 100644
--- a/src/layout/components/Sidebar/index.vue
+++ b/src/layout/components/Sidebar/index.vue
@@ -13,7 +13,7 @@
                 mode="vertical"
             >
                 <sidebar-item
-                    v-for="(route, index) in sidebarRouters"
+                    v-for="(route, index) in displayedRoutes"
                     :key="route.path  + index"
                     :item="route"
                     :base-path="route.path"
@@ -35,6 +35,42 @@ export default {
     computed: {
         ...mapState(["settings"]),
         ...mapGetters(["sidebarRouters", "sidebar"]),
+        displayedRoutes() {
+            if (!this.$route.meta.patrolWorkspace) {
+                return this.sidebarRouters;
+            }
+            const workspacePaths = {
+                "/task-summary": "/inspection-workspace/task",
+                "/patrol-plan": "/inspection-workspace/plan",
+                "/site-management": "/inspection-workspace/points",
+                "/patrol-report": "/inspection-workspace/report",
+                "/patrol-schedule": "/inspection-workspace/schedule",
+                "/defect-record": "/inspection-workspace/defects",
+                "/video-preview": "/inspection-workspace/video-preview",
+                "/video-playback": "/inspection-workspace/video-playback",
+            };
+            return this.sidebarRouters
+                .filter((route) => workspacePaths[route.path])
+                .map((route) => {
+                    const workspacePath = workspacePaths[route.path];
+                    const child = (route.children || []).find(item => !item.hidden);
+                    return {
+                        ...route,
+                        path: workspacePath,
+                        meta: { ...(route.meta || {}), icon: undefined },
+                        children: child ? [{
+                            ...child,
+                            path: "",
+                            query: undefined,
+                            meta: {
+                                ...(child.meta || {}),
+                                icon: undefined,
+                                activeMenu: workspacePath,
+                            },
+                        }] : [],
+                    };
+                });
+        },
         activeMenu() {
             const route = this.$route;
             const { meta, path } = route;
diff --git a/src/layout/components/TagsView/index.vue b/src/layout/components/TagsView/index.vue
index df01721..786917d 100644
--- a/src/layout/components/TagsView/index.vue
+++ b/src/layout/components/TagsView/index.vue
@@ -1,7 +1,31 @@
 <template>
   <div id="tags-view-container" class="tags-view-container">
     <breadcrumb class="module-breadcrumb" />
-    <div v-if="$route.name === 'PatrolSchedule'" class="schedule-view-switch">
+    <div v-if="isVideoLivePreview" class="video-layout-switch" aria-label="画面布局">
+      <el-tooltip
+        v-for="item in videoLayouts"
+        :key="item.value"
+        :content="item.label"
+        placement="bottom"
+      >
+        <button
+          type="button"
+          :aria-label="item.label"
+          :class="{ active: videoLayout === item.value }"
+          @click="setVideoLayout(item.value)"
+        >
+          <span
+            class="video-layout-icon"
+            :class="`video-layout-icon-${item.columns}`"
+            :style="{ gridTemplateColumns: `repeat(${item.columns}, auto)` }"
+            aria-hidden="true"
+          >
+            <i v-for="cell in item.value" :key="cell" />
+          </span>
+        </button>
+      </el-tooltip>
+    </div>
+    <div v-if="isPatrolSchedule" class="schedule-view-switch">
       <button
         v-for="view in scheduleViews"
         :key="view.value"
@@ -54,6 +78,13 @@ export default {
       left: 0,
       selectedTag: {},
       affixTags: [],
+      videoLayout: 9,
+      videoLayouts: [
+        { value: 1, columns: 1, label: '单画面' },
+        { value: 4, columns: 2, label: '四画面' },
+        { value: 9, columns: 3, label: '九画面' },
+        { value: 16, columns: 4, label: '十六画面' }
+      ],
       scheduleViews: [
         { label: '年视图', value: 'year' },
         { label: '月视图', value: 'month' },
@@ -73,6 +104,12 @@ export default {
     },
     scheduleView() {
       return this.$route.query.view || 'year'
+    },
+    isPatrolSchedule() {
+      return ['PatrolSchedule', 'InspectionWorkspaceSchedule'].includes(this.$route.name)
+    },
+    isVideoLivePreview() {
+      return ['VideoLivePreview', 'InspectionWorkspaceVideoPreview'].includes(this.$route.name)
     }
   },
   watch: {
@@ -91,12 +128,26 @@ export default {
   mounted() {
     this.initTags()
     this.addTags()
+    this.$root.$on('video-layout-updated', this.updateVideoLayout)
+  },
+  beforeDestroy() {
+    this.$root.$off('video-layout-updated', this.updateVideoLayout)
   },
   methods: {
+    setVideoLayout(layout) {
+      if (layout === this.videoLayout) return
+      this.videoLayout = layout
+      this.$root.$emit('video-layout-change', layout)
+    },
+    updateVideoLayout(layout) {
+      this.videoLayout = layout
+    },
     setScheduleView(view) {
       if (view === this.scheduleView) return
       this.$router.replace({
-        name: 'PatrolSchedule',
+        name: this.$route.meta.patrolWorkspace
+          ? 'InspectionWorkspaceSchedule'
+          : 'PatrolSchedule',
         query: { ...this.$route.query, view }
       })
     },
@@ -315,6 +366,80 @@ export default {
     line-height: 40px !important;
   }
 
+  .video-layout-switch {
+    position: absolute;
+    z-index: 2;
+    top: 0;
+    right: 18px;
+    height: 40px;
+    display: flex;
+    align-items: center;
+    gap: 8px;
+
+    button {
+      width: 36px;
+      height: 36px;
+      padding: 0;
+      display: grid;
+      place-items: center;
+      border: 0;
+      color: #398bf2;
+      background: transparent;
+      cursor: pointer;
+      opacity: 0.72;
+
+      &:hover,
+      &.active {
+        color: #54a3ff;
+        opacity: 1;
+        filter: drop-shadow(0 0 4px rgba(50, 136, 255, 0.7));
+      }
+    }
+
+    .video-layout-icon {
+      display: grid;
+      gap: 3px;
+    }
+
+    .video-layout-icon i {
+      width: 5px;
+      height: 5px;
+      border: 2px solid currentColor;
+      box-sizing: border-box;
+    }
+
+    .video-layout-icon-1 i {
+      width: 27px;
+      height: 27px;
+      border-width: 4px;
+    }
+
+    .video-layout-icon-2 {
+      gap: 3px;
+    }
+
+    .video-layout-icon-2 i {
+      width: 10px;
+      height: 10px;
+      border-width: 2px;
+    }
+
+    .video-layout-icon-3 i {
+      width: 6px;
+      height: 6px;
+    }
+
+    .video-layout-icon-4 {
+      gap: 2px;
+    }
+
+    .video-layout-icon-4 i {
+      width: 6px;
+      height: 6px;
+      border-width: 2px;
+    }
+  }
+
   .schedule-view-switch {
     position: absolute;
     z-index: 2;
diff --git a/src/layout/index.vue b/src/layout/index.vue
index 0eecf55..1fbf1f2 100644
--- a/src/layout/index.vue
+++ b/src/layout/index.vue
@@ -4,11 +4,11 @@
     <sidebar v-if="!sidebar.hide" class="sidebar-container"/>
     <div :class="{hasTagsView:needTagsView,sidebarHide:sidebar.hide}" class="main-container">
       <div class="layout-header" :class="{'fixed-header':fixedHeader}">
-        <navbar/>
+        <navbar v-if="!isPatrolWorkspace"/>
         <tags-view v-if="needTagsView"/>
       </div>
-      <app-main :class="{hasTagsView: needTagsView}" />
-      <right-panel>
+      <app-main :class="{hasTagsView: needTagsView, patrolWorkspace: isPatrolWorkspace}" />
+      <right-panel v-if="!isPatrolWorkspace">
         <settings/>
       </right-panel>
     </div>
@@ -47,9 +47,13 @@ export default {
         hideSidebar: !this.sidebar.opened,
         openSidebar: this.sidebar.opened,
         withoutAnimation: this.sidebar.withoutAnimation,
-        mobile: this.device === 'mobile'
+        mobile: this.device === 'mobile',
+        patrolWorkspace: this.isPatrolWorkspace
       }
     },
+    isPatrolWorkspace() {
+      return this.$route.matched.some(route => route.meta && route.meta.patrolWorkspace)
+    },
     variables() {
       return variables;
     }
@@ -137,4 +141,11 @@ export default {
     }
 
   }
+
+  .app-wrapper.patrolWorkspace {
+    ::v-deep .sidebar-container {
+      top: 0 !important;
+      height: 100% !important;
+    }
+  }
 </style>
diff --git a/src/router/index.js b/src/router/index.js
index ea124f2..f57b2d9 100644
--- a/src/router/index.js
+++ b/src/router/index.js
@@ -61,6 +61,69 @@ export const constantRoutes = [
     component: () => import('@/views/error/401'),
     hidden: true
   },
+  {
+    path: '/inspection-workspace',
+    component: Layout,
+    redirect: '/inspection-workspace/task',
+    hidden: true,
+    children: [
+      {
+        path: 'task',
+        component: () => import('@/views/cards/taskSummary/inspectionTask'),
+        name: 'InspectionWorkspaceTask',
+        meta: { title: '巡视任务', activeMenu: '/inspection-workspace/task', patrolWorkspace: true }
+      },
+      {
+        path: 'plan',
+        component: () => import('@/views/cards/patrolPlan/notstart'),
+        name: 'InspectionWorkspacePlan',
+        meta: { title: '巡视方案', activeMenu: '/inspection-workspace/plan', patrolWorkspace: true }
+      },
+      {
+        path: 'points',
+        component: () => import('@/views/cards/site_management/site_management'),
+        name: 'InspectionWorkspacePoints',
+        meta: { title: '点位管理', activeMenu: '/inspection-workspace/points', patrolWorkspace: true }
+      },
+      {
+        path: 'report',
+        component: () => import('@/views/cards/patrolReport/InspectionReporter'),
+        name: 'InspectionWorkspaceReport',
+        meta: { title: '巡视报告', activeMenu: '/inspection-workspace/report', patrolWorkspace: true }
+      },
+      {
+        path: 'report/detail',
+        component: () => import('@/views/cards/patrolReport/patrolReportDetail'),
+        name: 'InspectionWorkspaceReportDetail',
+        hidden: true,
+        meta: { title: '巡视报告详情', activeMenu: '/inspection-workspace/report', patrolWorkspace: true }
+      },
+      {
+        path: 'schedule',
+        component: () => import('@/views/cards/tasksShow/index'),
+        name: 'InspectionWorkspaceSchedule',
+        meta: { title: '巡视计划', activeMenu: '/inspection-workspace/schedule', patrolWorkspace: true }
+      },
+      {
+        path: 'defects',
+        component: () => import('@/views/cards/defectRecord/index'),
+        name: 'InspectionWorkspaceDefects',
+        meta: { title: '缺陷记录', activeMenu: '/inspection-workspace/defects', patrolWorkspace: true }
+      },
+      {
+        path: 'video-preview',
+        component: () => import('@/views/video/LivePreview'),
+        name: 'InspectionWorkspaceVideoPreview',
+        meta: { title: '视频预览', activeMenu: '/inspection-workspace/video-preview', patrolWorkspace: true }
+      },
+      {
+        path: 'video-playback',
+        component: () => import('@/views/video/HistoryPlayback'),
+        name: 'InspectionWorkspaceVideoPlayback',
+        meta: { title: '历史回放', activeMenu: '/inspection-workspace/video-playback', patrolWorkspace: true }
+      }
+    ]
+  },
   {
     path: '',
     component: Layout,
@@ -181,6 +244,34 @@ export const constantRoutes = [
         meta: { title: '缺陷记录', activeMenu: '/defect-record' }
       }
     ]
+  },
+  {
+    path: '/video-preview',
+    component: Layout,
+    redirect: '/video-preview/index',
+    meta: { title: '视频预览' },
+    children: [
+      {
+        path: 'index',
+        component: () => import('@/views/video/LivePreview'),
+        name: 'VideoLivePreview',
+        meta: { title: '视频预览', activeMenu: '/video-preview' }
+      }
+    ]
+  },
+  {
+    path: '/video-playback',
+    component: Layout,
+    redirect: '/video-playback/index',
+    meta: { title: '历史回放' },
+    children: [
+      {
+        path: 'index',
+        component: () => import('@/views/video/HistoryPlayback'),
+        name: 'VideoHistoryPlayback',
+        meta: { title: '历史回放', activeMenu: '/video-playback' }
+      }
+    ]
   }
 ]
 
diff --git a/src/views/cards/components/ImagePreviewZoomTemperature/index.vue b/src/views/cards/components/ImagePreviewZoomTemperature/index.vue
index 2892400..fa00bfe 100644
--- a/src/views/cards/components/ImagePreviewZoomTemperature/index.vue
+++ b/src/views/cards/components/ImagePreviewZoomTemperature/index.vue
@@ -31,7 +31,7 @@
           -->
             <img
               ref="previewImage"
-              :src="'/shaoxing/videoMonitor/xunshiht/htjcImage/'+selectImgUrl"
+              :src="'/app/htjc6/htjcImage/'+selectImgUrl"
               style="width: 100%; height: 100%; object-fit: contain"
               @load="handleImageLoad"
               @error="handleImageError"
diff --git a/src/views/cards/patrolReport/InspectionReporter.vue b/src/views/cards/patrolReport/InspectionReporter.vue
index d3752f1..f34733e 100644
--- a/src/views/cards/patrolReport/InspectionReporter.vue
+++ b/src/views/cards/patrolReport/InspectionReporter.vue
@@ -342,7 +342,9 @@ export default {
       sessionStorage.setItem("reportLineId", JSON.stringify(info.lineId));
       sessionStorage.setItem("reportType", JSON.stringify(info.filter));
       this.$router.push({
-        name: "patrolReportDetail",
+        name: this.$route.meta.patrolWorkspace
+          ? "InspectionWorkspaceReportDetail"
+          : "patrolReportDetail",
         query: {
           lineId: info.lineId,
           filter: info.filter,
diff --git a/src/views/cards/patrolReport/patrolReportDetail.vue b/src/views/cards/patrolReport/patrolReportDetail.vue
index d182831..6dd8cd2 100644
--- a/src/views/cards/patrolReport/patrolReportDetail.vue
+++ b/src/views/cards/patrolReport/patrolReportDetail.vue
@@ -509,17 +509,23 @@ export default {
 
       if (fromComponent === "InspectionReporter") {
         targetRoute = {
-          name: "PatrolReport",
+          name: this.$route.meta.patrolWorkspace
+            ? "InspectionWorkspaceReport"
+            : "PatrolReport",
         };
       } else {
         targetRoute = {
-          name: "InspectionTaskSummary",
+          name: this.$route.meta.patrolWorkspace
+            ? "InspectionWorkspaceTask"
+            : "InspectionTaskSummary",
         };
       }
 
       this.$router.replace({
         ...targetRoute,
-        query: { from: "back" },
+        query: {
+          from: "back",
+        },
       });
 
       sessionStorage.removeItem("reportLineId");
diff --git a/src/views/cards/site_management/site_management.vue b/src/views/cards/site_management/site_management.vue
index 9a63bd2..49f6502 100644
--- a/src/views/cards/site_management/site_management.vue
+++ b/src/views/cards/site_management/site_management.vue
@@ -955,7 +955,7 @@
                     <div>
                       <ImageAnnotation
                         :image-src="
-                          '/shaoxing/videoMonitor/xunshiht/htjcImage/' +
+                          '/app/htjc6/htjcImage/' +
                           imageUrl
                         "
                         ref="checkItemSetRef"
diff --git a/src/views/cards/taskSummary/inspectionTask.vue b/src/views/cards/taskSummary/inspectionTask.vue
index 08ec7a6..ea0ad86 100644
--- a/src/views/cards/taskSummary/inspectionTask.vue
+++ b/src/views/cards/taskSummary/inspectionTask.vue
@@ -876,7 +876,9 @@ export default {
       if (process.env.VUE_APP_DIALOG == "true") {
         this.$router.push(
           {
-            name: "patrolReportDetail",
+            name: this.$route.meta.patrolWorkspace
+              ? "InspectionWorkspaceReportDetail"
+              : "patrolReportDetail",
             query: {
               lineId: row.lineId,
               filter: 0,
@@ -927,7 +929,9 @@ export default {
       );
 
       this.$router.push({
-        name: "patrolReportDetail",
+        name: this.$route.meta.patrolWorkspace
+          ? "InspectionWorkspaceReportDetail"
+          : "patrolReportDetail",
         query: {
           lineId,
           filter: reportType,
diff --git a/src/views/point/site_management.vue b/src/views/point/site_management.vue
index 4b5be43..4bfeddb 100644
--- a/src/views/point/site_management.vue
+++ b/src/views/point/site_management.vue
@@ -983,7 +983,7 @@
                   <div>
                     <ImageAnnotation
                       :image-src="
-                        '/lingzhou/videoMonitor/xunshiht/htjcImage' + imageUrl
+                        '/app/htjc6/htjcImage' + imageUrl
                       "
                       ref="checkItemSetRef"
                     />
diff --git a/src/views/video/HistoryPlayback.vue b/src/views/video/HistoryPlayback.vue
new file mode 100644
index 0000000..6495314
--- /dev/null
+++ b/src/views/video/HistoryPlayback.vue
@@ -0,0 +1,357 @@
+<template>
+  <div class="playback-console">
+    <div class="playback-body">
+      <nvr-device-tree
+        :config="config"
+        :channels="channels"
+        :selected-code="selectedCode"
+        :loading="loading"
+        open-hint="单击通道选择历史回放设备"
+        @select="selectChannel"
+        @open="selectChannel"
+      />
+
+      <main class="playback-workspace">
+        <div class="query-bar">
+          <label><span>日期</span><input v-model="queryDate" type="date"></label>
+          <label><span>开始时间</span><input v-model="startTime" type="time" step="1"></label>
+          <em>至</em>
+          <label><span>结束时间</span><input v-model="endTime" type="time" step="1"></label>
+          <label><span>下载时刻</span><input v-model="clipTime" type="time" step="1" title="留空时使用当前回放时刻"></label>
+          <div class="query-actions">
+            <button type="button" class="primary" :disabled="busy" @click="queryPlayback"><i class="el-icon-search" />查询录像</button>
+            <button type="button" :disabled="clipDownloading" @click="downloadClip"><i class="el-icon-download" />{{ clipDownloading ? '正在生成' : '下载1分钟' }}</button>
+            <button type="button" @click="reset"><i class="el-icon-refresh-left" />重置</button>
+          </div>
+        </div>
+
+        <section ref="videoStage" class="video-stage">
+          <video ref="video" playsinline muted />
+          <div class="stage-head">
+            <span><i :class="{ playing: sessionStatus === 'PLAYING' }" />{{ statusLabel }}</span>
+            <small>{{ selectedChannelName }}</small>
+            <em>HLS / BEIJING</em>
+          </div>
+          <div v-if="overlayVisible" class="stage-overlay">
+            <i :class="busy ? 'el-icon-loading' : 'el-icon-video-camera'" />
+            <strong>{{ overlayTitle }}</strong>
+            <span>{{ overlayText }}</span>
+          </div>
+          <div class="stage-clock">{{ currentClock }}</div>
+        </section>
+
+        <section class="timeline-panel">
+          <div class="timeline-head">
+            <span><i />录像轨道</span>
+            <small>{{ timelineRangeText }}</small>
+          </div>
+          <div class="timeline" @click="seekByTimeline">
+            <div class="timeline-track">
+              <div class="actual-range" :style="actualRangeStyle" />
+              <div class="timeline-marker" :style="markerStyle"><span>{{ currentClock }}</span></div>
+            </div>
+            <div v-if="!hasActualRange" class="timeline-empty">查询后显示实际录像区间</div>
+            <div class="timeline-labels"><span v-for="label in timelineLabels" :key="label">{{ label }}</span></div>
+          </div>
+        </section>
+
+        <section class="playback-controls">
+          <div class="transport">
+            <button type="button" title="跳到录像起点" @click="seekBoundary('start')"><i class="el-icon-d-arrow-left" /></button>
+            <button type="button" class="play" title="播放或暂停" @click="togglePlay"><i :class="sessionStatus === 'PLAYING' ? 'el-icon-video-pause' : 'el-icon-video-play'" /></button>
+            <button type="button" title="跳到录像末尾" @click="seekBoundary('end')"><i class="el-icon-d-arrow-right" /></button>
+            <div class="time-readout"><strong>{{ currentClock }}</strong><span>{{ timelineRangeText }}</span></div>
+          </div>
+          <div class="control-center">
+            <div class="volume"><i :class="volume ? 'el-icon-microphone' : 'el-icon-turn-off-microphone'" /><input v-model.number="volume" type="range" min="0" max="1" step="0.05" @input="syncVolume"></div>
+            <div class="speed-group">
+              <button v-for="speed in speeds" :key="speed" type="button" :class="{ active: playbackSpeed === speed }" @click="setSpeed(speed)">{{ speed }}x</button>
+            </div>
+            <div class="jump-control"><span>跳转</span><input v-model="jumpTime" type="time" step="1"><button type="button" @click="jumpToTime">定位</button></div>
+          </div>
+          <button type="button" class="fullscreen" title="全屏" @click="fullscreen"><i class="el-icon-full-screen" /></button>
+        </section>
+
+        <div class="status-line" :class="messageType"><i /><span>{{ statusMessage }}</span></div>
+      </main>
+    </div>
+  </div>
+</template>
+
+<script>
+import Hls from 'hls.js'
+import NvrDeviceTree from './components/NvrDeviceTree.vue'
+import {
+  getNvrConfig, createPlaybackSession, getPlaybackSession,
+  controlPlayback, deletePlaybackSession, downloadPlaybackClip
+} from '@/api/nvrVideo'
+
+const pad = value => String(value).padStart(2, '0')
+const compactToDate = value => {
+  if (!value || !/^\d{14}$/.test(value)) return null
+  return new Date(Date.UTC(+value.slice(0, 4), +value.slice(4, 6) - 1, +value.slice(6, 8), +value.slice(8, 10), +value.slice(10, 12), +value.slice(12, 14)))
+}
+const dateToCompact = date => `${date.getUTCFullYear()}${pad(date.getUTCMonth() + 1)}${pad(date.getUTCDate())}${pad(date.getUTCHours())}${pad(date.getUTCMinutes())}${pad(date.getUTCSeconds())}`
+const compactToInput = value => {
+  const date = compactToDate(value)
+  return date ? `${date.getUTCFullYear()}-${pad(date.getUTCMonth() + 1)}-${pad(date.getUTCDate())} ${pad(date.getUTCHours())}:${pad(date.getUTCMinutes())}:${pad(date.getUTCSeconds())}` : ''
+}
+const compactToClock = value => {
+  const date = compactToDate(value)
+  return date ? `${pad(date.getUTCHours())}:${pad(date.getUTCMinutes())}:${pad(date.getUTCSeconds())}` : '--:--:--'
+}
+
+export default {
+  name: 'VideoHistoryPlayback',
+  components: { NvrDeviceTree },
+  data() {
+    const now = new Date(Date.now() + 8 * 60 * 60 * 1000)
+    return {
+      config: {}, channels: [], selectedCode: '', loading: false,
+      connectionText: '读取配置', connectionState: '',
+      queryDate: now.toISOString().slice(0, 10), startTime: '00:00:00', endTime: '23:59:59',
+      clipTime: '', jumpTime: '', volume: 0.7, speeds: [1, 2, 4, 8], playbackSpeed: 1,
+      session: null, pollTimer: null, hls: null, hlsRetryTimer: null, loadedUrl: '', busy: false, clipDownloading: false,
+      queryStart: null, queryEnd: null, mediaReady: false,
+      overlayTitle: '选择时间范围开始回放', overlayText: '页面会自动创建 HLS 会话并等待首个可播放切片', overlayVisible: true,
+      statusMessage: '正在读取服务端设备配置', messageType: 'info'
+    }
+  },
+  computed: {
+    selectedChannel() { return this.channels.find(item => item.cameraCode === this.selectedCode) || null },
+    selectedChannelName() { return this.selectedChannel ? (this.selectedChannel.name || `通道 ${this.selectedChannel.channel}`) : '未选择通道' },
+    sessionStatus() { return (this.session && this.session.status) || 'IDLE' },
+    statusLabel() {
+      return { IDLE: '待查询', STARTING: '等待首帧', PLAYING: '回放中', PAUSED: '已暂停', STOPPED: '已停止', FAILED: '播放失败' }[this.sessionStatus] || this.sessionStatus
+    },
+    currentClock() { return compactToClock(this.session && this.session.currentTime) },
+    actualRange() { return this.session && Array.isArray(this.session.actualTimeRange) ? this.session.actualTimeRange : null },
+    hasActualRange() { return Boolean(this.actualRange && this.actualRange.length === 2) },
+    timelineRangeText() { return this.hasActualRange ? `${compactToClock(this.actualRange[0])} — ${compactToClock(this.actualRange[1])}` : '等待查询范围' },
+    rangeMetrics() {
+      if (!this.queryStart || !this.queryEnd || !this.hasActualRange) return { left: 0, width: 0, marker: 0 }
+      const start = compactToDate(this.queryStart); const end = compactToDate(this.queryEnd)
+      const actualStart = compactToDate(this.actualRange[0]); const actualEnd = compactToDate(this.actualRange[1])
+      if (!start || !end || !actualStart || !actualEnd || end <= start) return { left: 0, width: 0, marker: 0 }
+      const total = end - start
+      const left = Math.max(0, Math.min(100, ((actualStart - start) / total) * 100))
+      const width = Math.max(1, Math.min(100 - left, ((actualEnd - actualStart) / total) * 100))
+      const current = compactToDate(this.session.currentTime) || actualStart
+      return { left, width, marker: Math.max(0, Math.min(100, ((current - start) / total) * 100)) }
+    },
+    actualRangeStyle() { return { left: `${this.rangeMetrics.left}%`, width: `${this.rangeMetrics.width}%` } },
+    markerStyle() { return { left: `${this.rangeMetrics.marker}%` } },
+    timelineLabels() {
+      if (!this.queryStart || !this.queryEnd) return ['00:00', '06:00', '12:00', '18:00', '24:00']
+      const start = compactToDate(this.queryStart); const end = compactToDate(this.queryEnd)
+      if (!start || !end) return []
+      return [0, 0.25, 0.5, 0.75, 1].map(value => {
+        const date = new Date(start.getTime() + (end - start) * value)
+        return `${pad(date.getUTCHours())}:${pad(date.getUTCMinutes())}`
+      })
+    }
+  },
+  created() { this.loadConfig() },
+  mounted() {
+    const video = this.$refs.video
+    video.volume = this.volume
+    video.addEventListener('playing', () => { this.mediaReady = true; this.overlayVisible = false })
+    video.addEventListener('ratechange', () => { if (video.playbackRate !== 1) video.playbackRate = 1 })
+  },
+  beforeDestroy() { this.stopSession() },
+  methods: {
+    setStatus(message, type = 'info') { this.statusMessage = message; this.messageType = type },
+    async loadConfig() {
+      this.loading = true
+      try {
+        const config = await getNvrConfig()
+        this.config = config || {}
+        this.channels = Array.isArray(config.channels) ? config.channels : []
+        const routeCode = this.$route.query.cameraCode
+        const selected = this.channels.find(item => item.cameraCode === routeCode) || this.channels.find(item => item.cameraCode === config.defaultCameraCode) || this.channels[0]
+        if (selected) this.selectChannel(selected, false)
+        this.connectionText = '设备服务在线'; this.connectionState = 'online'
+        this.setStatus('选择通道和时间范围后查询录像')
+      } catch (error) {
+        this.connectionText = '服务不可达'; this.connectionState = 'error'
+        this.overlayTitle = '无法读取设备配置'; this.overlayText = error.message
+        this.setStatus(error.message, 'error')
+      } finally { this.loading = false }
+    },
+    async selectChannel(channel, stop = true) {
+      if (!channel || channel.cameraCode === this.selectedCode) return
+      if (stop) await this.stopSession()
+      this.selectedCode = channel.cameraCode
+      this.$router.replace({ query: { ...this.$route.query, cameraCode: channel.cameraCode }}).catch(() => undefined)
+      this.overlayVisible = true; this.overlayTitle = '选择时间范围开始回放'; this.overlayText = '已切换通道，请查询录像'
+    },
+    values() {
+      if (!this.queryDate || !this.startTime || !this.endTime) throw new Error('请选择完整的日期、开始时间和结束时间')
+      const start = `${this.queryDate} ${this.startTime}`
+      const end = `${this.queryDate} ${this.endTime}`
+      const startCompact = start.replace(/[- :]/g, ''); const endCompact = end.replace(/[- :]/g, '')
+      if (startCompact.length !== 14 || endCompact.length !== 14 || endCompact <= startCompact) throw new Error('结束时间必须晚于开始时间')
+      return { start, end, startCompact, endCompact }
+    },
+    async queryPlayback() {
+      if (this.busy) return
+      if (!this.selectedCode) { this.setStatus('请先选择摄像机', 'warn'); return }
+      let values
+      try { values = this.values() } catch (error) { this.setStatus(error.message, 'error'); return }
+      await this.stopSession()
+      this.busy = true; this.queryStart = values.startCompact; this.queryEnd = values.endCompact
+      this.overlayVisible = true; this.overlayTitle = '正在检索录像'; this.overlayText = 'NVR 正在返回实际连续录像区间'
+      this.setStatus(`正在查询 ${values.start} 至 ${values.end}`)
+      try {
+        this.session = await createPlaybackSession({ cameraCode: this.selectedCode, streamType: 1, startTime: values.start, endTime: values.end })
+        this.applySession(this.session)
+        this.schedulePoll(0)
+      } catch (error) {
+        this.overlayTitle = error.status === 404 ? '这个时间段没有录像' : '回放创建失败'; this.overlayText = error.message
+        this.setStatus(error.message, error.status === 404 ? 'warn' : 'error')
+      } finally { this.busy = false }
+    },
+    schedulePoll(delay = 1000) {
+      clearTimeout(this.pollTimer)
+      if (!this.session || ['STOPPED', 'FAILED'].includes(this.session.status)) return
+      this.pollTimer = setTimeout(this.pollSession, delay)
+    },
+    async pollSession() {
+      if (!this.session) return
+      try {
+        this.session = await getPlaybackSession(this.session.sessionId)
+        this.applySession(this.session)
+        this.schedulePoll(this.session.status === 'STARTING' ? 650 : 1200)
+      } catch (error) {
+        this.setStatus(error.message, 'error'); this.overlayVisible = true; this.overlayTitle = '回放流启动失败'; this.overlayText = error.message
+        this.destroyHls(); this.session = null
+      }
+    },
+    applySession(session) {
+      this.playbackSpeed = Number(session.speed || 1)
+      if (session.hlsUrl && ['STARTING', 'PLAYING'].includes(session.status)) this.attachHls(session.hlsUrl)
+      if (session.status === 'PLAYING') {
+        if (this.mediaReady) this.overlayVisible = false
+        this.setStatus(`正在播放 ${this.timelineRangeText} · ${this.playbackSpeed}x`, 'success')
+        this.$refs.video.play().catch(() => undefined)
+      } else if (session.status === 'PAUSED') {
+        this.$refs.video.pause(); this.overlayVisible = true; this.overlayTitle = '回放已暂停'; this.overlayText = '点击播放按钮继续'
+      } else if (session.status === 'STARTING') {
+        this.overlayVisible = true; this.overlayTitle = '正在等待回放流'; this.overlayText = 'HLS 正在等待首个可播放切片'
+      }
+    },
+    attachHls(url) {
+      if (this.loadedUrl === url && this.hls) return
+      this.destroyHls(); this.loadedUrl = url; this.mediaReady = false
+      const video = this.$refs.video
+      if (Hls.isSupported()) {
+        const hls = new Hls({
+          enableWorker: true,
+          lowLatencyMode: false,
+          backBufferLength: 30,
+          maxBufferLength: 16,
+          manifestLoadingMaxRetry: 8,
+          levelLoadingMaxRetry: 8,
+          fragLoadingMaxRetry: 8
+        })
+        this.hls = hls
+        hls.on(Hls.Events.MEDIA_ATTACHED, () => {
+          if (this.hls === hls) hls.loadSource(`${url}${url.includes('?') ? '&' : '?'}uiGeneration=${this.session ? this.session.generation : Date.now()}`)
+        })
+        hls.on(Hls.Events.MANIFEST_PARSED, () => video.play().catch(() => undefined))
+        hls.on(Hls.Events.ERROR, (_, detail) => {
+          if (this.hls !== hls || !detail || !detail.fatal) return
+          this.setStatus('HLS 播放异常，正在自动恢复', 'warn')
+          if (detail.type === Hls.ErrorTypes.NETWORK_ERROR) {
+            clearTimeout(this.hlsRetryTimer)
+            this.hlsRetryTimer = setTimeout(() => {
+              if (this.hls === hls) hls.startLoad()
+            }, 800)
+          } else if (detail.type === Hls.ErrorTypes.MEDIA_ERROR) {
+            hls.recoverMediaError()
+          }
+        })
+        hls.attachMedia(video)
+      } else if (video.canPlayType('application/vnd.apple.mpegurl')) { video.src = url; video.play().catch(() => undefined) }
+    },
+    destroyHls() {
+      clearTimeout(this.hlsRetryTimer); this.hlsRetryTimer = null
+      if (this.hls) { this.hls.destroy(); this.hls = null }
+      this.loadedUrl = ''; this.mediaReady = false
+      const video = this.$refs.video
+      if (video) { video.pause(); video.removeAttribute('src'); video.load() }
+    },
+    async sendControl(action, payload = {}) {
+      if (!this.session || this.busy) return
+      this.busy = true
+      try {
+        this.session = await controlPlayback(this.session.sessionId, { cameraCode: this.selectedCode, action, ...payload })
+        this.applySession(this.session); this.schedulePoll(this.session.status === 'STARTING' ? 650 : 1200)
+      } catch (error) { this.setStatus(error.message, 'error') } finally { this.busy = false }
+    },
+    togglePlay() { if (!this.session) this.setStatus('请先查询录像', 'warn'); else this.sendControl(this.sessionStatus === 'PLAYING' ? 'PAUSE' : 'RESUME') },
+    setSpeed(speed) { this.sendControl('SET_SPEED', { speed }) },
+    seek(value) { if (value) this.sendControl('SEEK', { seekTime: compactToInput(value) }) },
+    seekBoundary(side) {
+      if (!this.hasActualRange) return
+      if (side === 'start') this.seek(this.actualRange[0])
+      else {
+        const end = compactToDate(this.actualRange[1]); end.setUTCSeconds(end.getUTCSeconds() - 1); this.seek(dateToCompact(end))
+      }
+    },
+    seekByTimeline(event) {
+      if (!this.session || !this.queryStart || !this.queryEnd) return
+      const rect = event.currentTarget.getBoundingClientRect(); const fraction = Math.max(0, Math.min(1, (event.clientX - rect.left) / rect.width))
+      const start = compactToDate(this.queryStart); const end = compactToDate(this.queryEnd)
+      this.seek(dateToCompact(new Date(start.getTime() + (end - start) * fraction)))
+    },
+    jumpToTime() {
+      if (!this.jumpTime) { this.setStatus('请输入跳转时间', 'warn'); return }
+      const time = this.jumpTime.length === 5 ? `${this.jumpTime}:00` : this.jumpTime
+      this.seek(`${this.queryDate.replace(/-/g, '')}${time.replace(/:/g, '')}`)
+    },
+    syncVolume() { const video = this.$refs.video; video.volume = this.volume; video.muted = this.volume === 0 },
+    fullscreen() { const stage = this.$refs.videoStage; if (stage && stage.requestFullscreen) stage.requestFullscreen() },
+    async stopSession() {
+      clearTimeout(this.pollTimer)
+      const session = this.session
+      this.session = null
+      if (session && session.sessionId) {
+        try { await controlPlayback(session.sessionId, { cameraCode: session.cameraCode || this.selectedCode, action: 'STOP' }) } catch (_) { /* cleanup */ }
+        try { await deletePlaybackSession(session.sessionId) } catch (_) { /* cleanup */ }
+      }
+      this.destroyHls()
+    },
+    reset() {
+      this.stopSession(); this.startTime = '00:00:00'; this.endTime = '23:59:59'; this.clipTime = ''; this.jumpTime = ''
+      this.queryStart = null; this.queryEnd = null; this.overlayVisible = true; this.overlayTitle = '选择时间范围开始回放'; this.overlayText = '页面会自动创建 HLS 会话并等待首个可播放切片'; this.setStatus('选择通道和时间范围后查询录像')
+    },
+    async downloadClip() {
+      if (!this.selectedCode) { this.$message.warning('请先选择摄像机'); return }
+      const centerTime = this.clipTime ? `${this.queryDate} ${this.clipTime}` : compactToInput(this.session && this.session.currentTime)
+      if (!centerTime) { this.$message.warning('请输入下载时刻，或先开始回放'); return }
+      this.clipDownloading = true
+      try {
+        const response = await downloadPlaybackClip({ cameraCode: this.selectedCode, streamType: 1, centerTime, beforeSeconds: 30, afterSeconds: 30 })
+        const disposition = response.headers['content-disposition'] || ''
+        const match = disposition.match(/filename\*?=(?:UTF-8'')?["']?([^"';]+)/i)
+        const filename = match ? decodeURIComponent(match[1]) : `playback-${centerTime.replace(/[- :]/g, '')}.mp4`
+        const url = URL.createObjectURL(response.data); const link = document.createElement('a')
+        link.href = url; link.download = filename; link.click(); setTimeout(() => URL.revokeObjectURL(url), 2000)
+        this.$message.success('录像片段已下载')
+      } catch (error) { this.$message.error(error.message) } finally { this.clipDownloading = false }
+    }
+  }
+}
+</script>
+
+<style lang="scss" scoped>
+.playback-console { height: 100%; min-height: 0; display: flex; flex-direction: column; color: #dcecff; background: #0b1248; }
+.playback-body { flex: 1; min-height: 0; display: flex; }.playback-workspace { flex: 1; min-width: 0; min-height: 0; padding: 10px 14px; display: flex; flex-direction: column; gap: 9px; }
+.query-bar { min-height: 58px; display: flex; align-items: flex-end; gap: 9px; padding: 7px 10px; border: 1px solid rgba(42,133,230,.38); background: rgba(7,30,84,.68); }.query-bar label { display: flex; flex-direction: column; gap: 5px; color: #7fa8d1; font-size: 11px; }.query-bar input { width: 126px; height: 29px; padding: 0 8px; border: 1px solid rgba(55,151,247,.48); color: #d4eaff; background: #09265e; outline: none; }.query-bar label:first-child input { width: 140px; }.query-bar em { height: 29px; line-height: 29px; color: #6c97c2; font-style: normal; }.query-actions { margin-left: auto; display: flex; gap: 6px; }.query-actions button { height: 30px; padding: 0 11px; border: 1px solid rgba(50,147,244,.52); color: #a9d3ff; background: #0a2b67; cursor: pointer; }.query-actions button.primary { color: #fff; background: #176bc2; }.query-actions button i { margin-right: 5px; }.query-actions button:disabled { opacity: .55; cursor: not-allowed; }
+.video-stage { position: relative; flex: 1; min-height: 260px; overflow: hidden; border: 1px solid #176bc2; background: #03081d; }.video-stage video { width: 100%; height: 100%; display: block; object-fit: contain; }.stage-head { position: absolute; z-index: 2; top: 0; left: 0; right: 0; height: 34px; padding: 0 10px; display: flex; align-items: center; gap: 12px; color: #c9e3ff; background: linear-gradient(180deg,rgba(2,9,31,.94),transparent); font-size: 11px; }.stage-head span { display: flex; align-items: center; gap: 6px; }.stage-head span i { width: 7px; height: 7px; border-radius: 50%; background: #d09231; }.stage-head span i.playing { background: #25dfa2; box-shadow: 0 0 8px #25dfa2; }.stage-head small { color: #7da8d4; }.stage-head em { margin-left: auto; color: #5e8dbb; font-style: normal; }.stage-overlay { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 9px; color: #6d9bc8; background: radial-gradient(circle at center,rgba(10,45,96,.65),rgba(3,8,29,.92)); }.stage-overlay i { font-size: 36px; }.stage-overlay strong { color: #b9d8f7; font-size: 14px; }.stage-overlay span { font-size: 11px; }.stage-clock { position: absolute; right: 10px; bottom: 8px; color: #a7caec; font-family: Consolas,monospace; font-size: 12px; }
+.timeline-panel { padding: 8px 10px 4px; border: 1px solid rgba(43,133,226,.38); background: rgba(7,29,80,.72); }.timeline-head { display: flex; align-items: center; justify-content: space-between; color: #bcd9f7; font-size: 11px; }.timeline-head span { display: flex; align-items: center; gap: 6px; }.timeline-head i { width: 6px; height: 6px; border-radius: 50%; background: #1a8cff; }.timeline-head small { color: #6d98c2; }.timeline { position: relative; height: 46px; margin-top: 4px; cursor: pointer; }.timeline-track { position: absolute; left: 0; right: 0; top: 12px; height: 7px; background: #071b44; border: 1px solid #183f73; }.actual-range { position: absolute; top: -1px; height: 7px; background: #1989ee; box-shadow: 0 0 7px rgba(25,137,238,.6); }.timeline-marker { position: absolute; z-index: 2; top: -5px; width: 1px; height: 17px; background: #54ffff; }.timeline-marker span { position: absolute; left: 50%; top: -17px; transform: translateX(-50%); color: #54ffff; font-size: 9px; white-space: nowrap; }.timeline-empty { position: absolute; top: 3px; left: 50%; transform: translateX(-50%); color: #587fa8; font-size: 10px; }.timeline-labels { position: absolute; left: 0; right: 0; bottom: 0; display: flex; justify-content: space-between; color: #557da7; font-size: 9px; }
+.playback-controls { height: 48px; min-height: 48px; padding: 0 9px; display: flex; align-items: center; border: 1px solid rgba(43,133,226,.38); background: #081e53; }.transport { display: flex; align-items: center; gap: 5px; }.playback-controls button { border: 1px solid rgba(53,146,238,.5); color: #a8d2fa; background: #0a2b67; cursor: pointer; }.transport>button { width: 29px; height: 29px; }.transport button.play { width: 35px; height: 35px; border-radius: 50%; color: #fff; background: #176bc2; }.time-readout { width: 170px; display: flex; flex-direction: column; margin-left: 6px; }.time-readout strong { color: #54ffff; font: 13px Consolas,monospace; }.time-readout span { color: #638fb9; font-size: 9px; }.control-center { flex: 1; display: flex; align-items: center; justify-content: center; gap: 18px; }.volume { display: flex; align-items: center; gap: 5px; color: #71a7d7; }.volume input { width: 76px; accent-color: #228ef1; }.speed-group { display: flex; }.speed-group button { width: 34px; height: 27px; border-right: 0; }.speed-group button:last-child { border-right: 1px solid rgba(53,146,238,.5); }.speed-group button.active { color: #fff; background: #176bc2; }.jump-control { display: flex; align-items: center; gap: 5px; color: #729dcc; font-size: 10px; }.jump-control input { width: 100px; height: 27px; padding: 0 5px; border: 1px solid rgba(53,146,238,.5); color: #d1e7ff; background: #081f53; }.jump-control button { height: 27px; }.fullscreen { width: 30px; height: 30px; }
+.status-line { min-height: 29px; padding: 0 10px; display: flex; align-items: center; gap: 7px; color: #7fa8d0; border: 1px solid rgba(43,133,226,.25); background: rgba(6,25,70,.6); font-size: 11px; }.status-line i { width: 6px; height: 6px; border-radius: 50%; background: #428fda; }.status-line.success i { background: #2bdb9f; }.status-line.warn i { background: #e5a83d; }.status-line.error i { background: #ff5c72; }
+@media (max-width: 1250px) { .query-bar { flex-wrap: wrap; }.query-actions { margin-left: 0; }.control-center { gap: 8px; }.time-readout { width: 130px; } }
+</style>
diff --git a/src/views/video/LivePreview.vue b/src/views/video/LivePreview.vue
new file mode 100644
index 0000000..d4c127d
--- /dev/null
+++ b/src/views/video/LivePreview.vue
@@ -0,0 +1,475 @@
+<template>
+  <div class="video-console live-preview">
+    <div class="console-body">
+      <nvr-device-tree
+        :config="config"
+        :channels="channels"
+        :selected-code="selectedCode"
+        :loading="loading"
+        @select="selectChannel"
+        @open="openChannel"
+      />
+
+      <main class="monitor-workspace">
+        <div class="monitor-head">
+          <span>监控画面</span>
+          <small>双击设备树通道打开，单击画面切换控制对象</small>
+        </div>
+        <div class="camera-grid" :style="gridStyle">
+          <article
+            v-for="(slot, index) in visibleSlots"
+            :key="index"
+            ref="cameraCards"
+            class="camera-card"
+            :class="{ active: activeIndex === index, empty: !slot }"
+            @click="activeIndex = index"
+            @dblclick="slot && fullscreen(index)"
+          >
+            <template v-if="slot">
+              <nvr-stream-player
+                :source="slot.streamSource"
+                :loading="slot.loading"
+                :muted="muted"
+                @error="handleStreamError($event, index)"
+              />
+              <div class="camera-label">
+                <span><i />{{ slot.name }}</span>
+                <small>CH{{ slot.channel }}</small>
+              </div>
+              <div class="camera-actions">
+                <button type="button" title="历史回放" @click.stop="openPlayback(slot)"><i class="el-icon-time" /></button>
+                <button type="button" title="全屏" @click.stop="fullscreen(index)"><i class="el-icon-full-screen" /></button>
+                <button type="button" title="关闭" @click.stop="closeSlot(index)"><i class="el-icon-close" /></button>
+              </div>
+            </template>
+            <div v-else class="empty-slot">
+              <i class="el-icon-video-camera" />
+              <span>双击左侧通道打开预览</span>
+            </div>
+          </article>
+        </div>
+      </main>
+
+      <aside class="control-panel">
+        <section class="control-section">
+          <div class="section-title"><span>云台控制</span><small>{{ selectedChannelName }}</small></div>
+          <div class="ptz-grid">
+            <button
+              v-for="button in ptzButtons"
+              :key="button.action"
+              type="button"
+              :title="button.label"
+              @mousedown.prevent="startPtz(button.action)"
+              @mouseup.prevent="stopPtz"
+              @mouseleave="stopPtz"
+              @touchstart.prevent="startPtz(button.action)"
+              @touchend.prevent="stopPtz"
+            >
+              <i :class="button.icon" />
+            </button>
+          </div>
+          <div class="lens-actions">
+            <div v-for="tool in lensTools" :key="tool.label" class="lens-tool" :title="tool.label">
+              <img :src="tool.icon" :alt="tool.label">
+              <button
+                type="button"
+                :aria-label="tool.leftLabel"
+                :title="tool.leftLabel"
+                @mousedown.prevent="startPtz(tool.leftAction)"
+                @mouseup.prevent="stopPtz"
+                @mouseleave="stopPtz"
+                @touchstart.prevent="startPtz(tool.leftAction)"
+                @touchend.prevent="stopPtz"
+              />
+              <button
+                type="button"
+                :aria-label="tool.rightLabel"
+                :title="tool.rightLabel"
+                @mousedown.prevent="startPtz(tool.rightAction)"
+                @mouseup.prevent="stopPtz"
+                @mouseleave="stopPtz"
+                @touchstart.prevent="startPtz(tool.rightAction)"
+                @touchend.prevent="stopPtz"
+              />
+            </div>
+          </div>
+          <div class="speed-row">
+            <span>速度</span>
+            <input v-model.number="ptzSpeed" type="range" min="1" max="10">
+            <el-input-number
+              v-model="ptzSpeed"
+              class="speed-input"
+              :min="1"
+              :max="10"
+              size="mini"
+              :controls="false"
+            />
+          </div>
+          <div class="preset-quick-actions">
+            <button type="button" title="调用预置位" @click="callPreset">
+              <img :src="presetIcons.call" alt="调用预置位">
+            </button>
+            <button type="button" title="新增预置位" @click="prepareNewPreset">
+              <img :src="presetIcons.add" alt="新增预置位">
+            </button>
+            <button type="button" title="编辑预置位" @click="prepareEditPreset">
+              <img :src="presetIcons.edit" alt="编辑预置位">
+            </button>
+          </div>
+        </section>
+
+        <section class="control-section">
+          <div class="section-title"><span>预置位</span><button type="button" @click="loadPresets"><i class="el-icon-refresh" /></button></div>
+          <el-select v-model="presetId" size="small" placeholder="请选择预置位" style="width:100%">
+            <el-option v-for="item in presets" :key="item.id" :label="`${item.id} · ${item.name}`" :value="item.id" />
+          </el-select>
+          <div class="preset-create">
+            <el-input-number v-model="newPresetId" :min="1" :max="256" size="mini" :controls="false" placeholder="编号" />
+            <el-input v-model.trim="newPresetName" size="mini" maxlength="32" placeholder="名称" />
+          </div>
+          <div class="section-actions">
+            <button type="button" @click="callPreset">调用</button>
+            <button type="button" class="primary" @click="savePreset">保存</button>
+          </div>
+        </section>
+
+        <section class="control-section">
+          <div class="section-title"><span>操作</span></div>
+          <div class="operation-grid">
+            <button type="button" class="wide" @click="capture"><i class="el-icon-camera" />抓图</button>
+            <button type="button" @click="showPendingOperation('录像')"><i class="el-icon-video-camera" />录像</button>
+            <button type="button" :class="{ active: !muted }" @click="muted = !muted">
+              <i :class="muted ? 'el-icon-turn-off-microphone' : 'el-icon-microphone'" />静音
+            </button>
+            <button type="button" @click="showPendingOperation('雨刷器')"><i class="el-icon-umbrella" />雨刷器</button>
+            <button type="button" @click="showPendingOperation('3D定位')"><i class="el-icon-aim" />3D定位</button>
+          </div>
+        </section>
+      </aside>
+    </div>
+  </div>
+</template>
+
+<script>
+import NvrDeviceTree from './components/NvrDeviceTree.vue'
+import NvrStreamPlayer from './components/NvrStreamPlayer.vue'
+import {
+  getNvrConfig, startLive, getLiveStatus, stopLive, controlPtz,
+  getPresetList, createPreset, createSnapshot, downloadSnapshot
+} from '@/api/nvrVideo'
+
+const PTZ_CODES = {
+  UP: 2, DOWN: 3, LEFT: 4, UP_LEFT: 5, DOWN_LEFT: 6,
+  RIGHT: 7, UP_RIGHT: 8, DOWN_RIGHT: 9,
+  IRIS_OPEN: 21, IRIS_CLOSE: 22,
+  ZOOM_IN: 23, ZOOM_OUT: 24, FOCUS_NEAR: 25, FOCUS_FAR: 26
+}
+
+export default {
+  name: 'VideoLivePreview',
+  components: { NvrDeviceTree, NvrStreamPlayer },
+  data() {
+    return {
+      config: {},
+      channels: [],
+      selectedCode: '',
+      layout: 9,
+      layouts: [
+        { value: 1, label: '单画面' }, { value: 4, label: '四画面' },
+        { value: 9, label: '九画面' }, { value: 16, label: '十六画面' }
+      ],
+      slots: Array.from({ length: 16 }, () => null),
+      activeIndex: 0,
+      placementCursor: 0,
+      loading: false,
+      connectionText: '读取配置',
+      connectionState: '',
+      muted: true,
+      ptzSpeed: 4,
+      ptzActive: false,
+      presets: [],
+      presetId: null,
+      newPresetId: null,
+      newPresetName: '',
+      presetIcons: {
+        call: require('@/assets/images/r6.png'),
+        add: require('@/assets/images/r7.png'),
+        edit: require('@/assets/images/r8.png')
+      },
+      ptzButtons: [
+        { action: 'UP_LEFT', icon: 'el-icon-top-left', label: '左上' },
+        { action: 'UP', icon: 'el-icon-top', label: '向上' },
+        { action: 'UP_RIGHT', icon: 'el-icon-top-right', label: '右上' },
+        { action: 'LEFT', icon: 'el-icon-back', label: '向左' },
+        { action: 'STOP', icon: 'el-icon-video-pause', label: '停止' },
+        { action: 'RIGHT', icon: 'el-icon-right', label: '向右' },
+        { action: 'DOWN_LEFT', icon: 'el-icon-bottom-left', label: '左下' },
+        { action: 'DOWN', icon: 'el-icon-bottom', label: '向下' },
+        { action: 'DOWN_RIGHT', icon: 'el-icon-bottom-right', label: '右下' }
+      ],
+      lensTools: [
+        {
+          label: '变倍', icon: require('@/assets/images/r1.png'),
+          leftAction: 'ZOOM_OUT', leftLabel: '变倍缩小',
+          rightAction: 'ZOOM_IN', rightLabel: '变倍放大'
+        },
+        {
+          label: '聚焦', icon: require('@/assets/images/r2.png'),
+          leftAction: 'FOCUS_FAR', leftLabel: '远聚焦',
+          rightAction: 'FOCUS_NEAR', rightLabel: '近聚焦'
+        },
+        {
+          label: '光圈', icon: require('@/assets/images/r3.png'),
+          leftAction: 'IRIS_CLOSE', leftLabel: '关闭光圈',
+          rightAction: 'IRIS_OPEN', rightLabel: '打开光圈'
+        }
+      ]
+    }
+  },
+  computed: {
+    capacity() { return this.layout },
+    visibleSlots() { return this.slots.slice(0, this.capacity) },
+    gridStyle() {
+      const columns = { 1: 1, 4: 2, 9: 3, 16: 4 }[this.layout]
+      return { gridTemplateColumns: `repeat(${columns}, minmax(0, 1fr))`, gridTemplateRows: `repeat(${columns}, minmax(0, 1fr))` }
+    },
+    selectedChannel() { return this.channels.find(item => item.cameraCode === this.selectedCode) || null },
+    selectedChannelName() { return this.selectedChannel ? (this.selectedChannel.name || `通道 ${this.selectedChannel.channel}`) : '未选择' }
+  },
+  created() {
+    this.$root.$on('video-layout-change', this.changeLayout)
+    this.$root.$emit('video-layout-updated', this.layout)
+    this.loadConfig()
+  },
+  beforeDestroy() {
+    this.$root.$off('video-layout-change', this.changeLayout)
+    this.closeAll()
+  },
+  methods: {
+    async loadConfig() {
+      this.loading = true
+      this.connectionText = '读取配置'
+      try {
+        const config = await getNvrConfig()
+        this.config = config || {}
+        this.channels = Array.isArray(config.channels) ? config.channels : []
+        const selected = this.channels.find(item => item.cameraCode === config.defaultCameraCode) || this.channels[0]
+        if (selected) this.selectChannel(selected)
+        this.connectionText = '设备服务在线'
+        this.connectionState = 'online'
+      } catch (error) {
+        this.connectionText = '服务不可达'
+        this.connectionState = 'error'
+        this.$message.error(error.message)
+      } finally { this.loading = false }
+    },
+    selectChannel(channel) {
+      if (!channel) return
+      this.selectedCode = channel.cameraCode
+      this.loadPresets(true)
+    },
+    openChannel(channel) {
+      this.selectChannel(channel)
+      this.startChannel(channel)
+    },
+    async startChannel(channel) {
+      if (!channel || !channel.cameraCode) return
+      const existing = this.slots.findIndex(slot => slot && slot.cameraCode === channel.cameraCode)
+      if (existing >= 0) { this.activeIndex = existing; return }
+      let index = this.visibleSlots.findIndex(slot => !slot)
+      if (index < 0) index = this.placementCursor % this.capacity
+      if (this.slots[index]) await this.closeSlot(index, false)
+      const slot = {
+        ...channel,
+        loading: true,
+        streamSource: { hlsUrl: '', flvUrl: '' },
+        timer: null
+      }
+      this.$set(this.slots, index, slot)
+      this.activeIndex = index
+      this.placementCursor = (index + 1) % this.capacity
+      try {
+        const result = await startLive(channel.cameraCode)
+        this.applyLiveResult(index, slot, result)
+        if (!result || result.status !== 'PLAYING') this.pollLive(index, slot, 0)
+      } catch (error) {
+        this.$set(this.slots, index, null)
+        this.$message.error(error.message)
+      }
+    },
+    applyLiveResult(index, slot, result) {
+      if (this.slots[index] !== slot || !result) return
+      if (result.hlsUrl) slot.streamSource.hlsUrl = result.hlsUrl
+      if (result.flvUrl) slot.streamSource.flvUrl = result.flvUrl
+      slot.loading = !(slot.streamSource.hlsUrl || slot.streamSource.flvUrl)
+    },
+    pollLive(index, slot, attempt) {
+      if (this.slots[index] !== slot) return
+      if (attempt >= 20) {
+        slot.loading = false
+        this.$message.error('视频流启动超时，请检查摄像机或流媒体服务')
+        return
+      }
+      slot.timer = setTimeout(async() => {
+        try {
+          const result = await getLiveStatus(slot.cameraCode)
+          this.applyLiveResult(index, slot, result)
+          if (!result || result.status !== 'PLAYING' || !(slot.streamSource.hlsUrl || slot.streamSource.flvUrl)) {
+            this.pollLive(index, slot, attempt + 1)
+          }
+        } catch (_) { this.pollLive(index, slot, attempt + 1) }
+      }, 800)
+    },
+    async closeSlot(index, notify = true) {
+      const slot = this.slots[index]
+      if (!slot) return
+      clearTimeout(slot.timer)
+      this.$set(this.slots, index, null)
+      try { await stopLive(slot.cameraCode) } catch (_) { /* release the UI slot first */ }
+      if (notify) this.$message.success('视频通道已关闭')
+    },
+    closeAll() {
+      this.slots.forEach((slot, index) => { if (slot) this.closeSlot(index, false) })
+    },
+    changeLayout(layout) {
+      if (layout === this.layout) return
+      if (layout < this.layout) {
+        this.slots.forEach((slot, index) => { if (slot && index >= layout) this.closeSlot(index, false) })
+      }
+      this.layout = layout
+      this.$root.$emit('video-layout-updated', layout)
+      if (this.activeIndex >= layout) this.activeIndex = 0
+      this.placementCursor %= layout
+    },
+    handleStreamError(error, index) {
+      const slot = this.slots[index]
+      if (slot) slot.loading = false
+      this.$message.error(error.message)
+    },
+    fullscreen(index) {
+      const card = this.$refs.cameraCards && this.$refs.cameraCards[index]
+      if (card && card.requestFullscreen) card.requestFullscreen()
+    },
+    openPlayback(slot) {
+      this.$router.push({ name: 'VideoHistoryPlayback', query: { cameraCode: slot.cameraCode }})
+    },
+    async sendPtz(controlCode, controlPara1 = '', controlPara2 = '') {
+      if (!this.selectedCode) { this.$message.warning('请先选择摄像机'); return }
+      const result = await controlPtz({ cameraCode: this.selectedCode, controlCode, controlPara1, controlPara2 })
+      if (!result || Number(result.resultCode) !== 0) throw new Error('云台控制失败')
+    },
+    startPtz(action) {
+      if (action === 'STOP') {
+        this.ptzActive = false
+        this.sendPtz(1).catch(error => this.$message.error(error.message))
+        return
+      }
+      const code = PTZ_CODES[action]
+      if (!code || this.ptzActive) return
+      this.ptzActive = true
+      this.sendPtz(code, '2', String(this.ptzSpeed)).catch(error => this.$message.error(error.message))
+    },
+    stopPtz() {
+      if (!this.ptzActive) return
+      this.ptzActive = false
+      this.sendPtz(1).catch(error => this.$message.error(error.message))
+    },
+    splitCameraCode() {
+      const parts = String(this.selectedCode || '').split('#')
+      if (parts.length !== 2 || !parts[0] || !parts[1]) throw new Error('摄像机编码格式不正确')
+      return parts
+    },
+    async loadPresets(silent = false) {
+      if (!this.selectedCode) return
+      try {
+        const [deviceCode, domainCode] = this.splitCameraCode()
+        const result = await getPresetList(deviceCode, domainCode)
+        const source = result && result.ptzPresetInfoList && result.ptzPresetInfoList.ptzPresetInfo
+        this.presets = (Array.isArray(source) ? source : []).map(item => ({ id: Number(item.presetIndex), name: item.presetName || `预置位 ${item.presetIndex}` })).filter(item => item.id > 0)
+        if (this.presets.length && !this.presets.some(item => item.id === this.presetId)) this.presetId = this.presets[0].id
+        if (!silent) this.$message.success(`读取到 ${this.presets.length} 个预置位`)
+      } catch (error) { if (!silent) this.$message.error(error.message) }
+    },
+    async callPreset() {
+      if (!this.presetId) { this.$message.warning('请选择预置位'); return }
+      try { await this.sendPtz(11, String(this.presetId)); this.$message.success('预置位调用成功') } catch (error) { this.$message.error(error.message) }
+    },
+    prepareNewPreset() {
+      const used = new Set(this.presets.map(item => Number(item.id)))
+      let nextId = 1
+      while (used.has(nextId) && nextId < 256) nextId += 1
+      this.newPresetId = nextId
+      this.newPresetName = ''
+      this.$message.info(`请填写预置位 ${nextId} 的名称后保存`)
+    },
+    prepareEditPreset() {
+      const preset = this.presets.find(item => item.id === this.presetId)
+      if (!preset) { this.$message.warning('请先选择需要编辑的预置位'); return }
+      this.newPresetId = preset.id
+      this.newPresetName = preset.name || ''
+      this.$message.info(`正在编辑预置位 ${preset.id}`)
+    },
+    async savePreset() {
+      const channel = this.selectedChannel
+      if (!channel) { this.$message.warning('请先选择摄像机'); return }
+      if (!Number.isInteger(this.newPresetId) || this.newPresetId < 1 || this.newPresetId > 256) {
+        this.$message.warning('请输入 1-256 的预置位编号')
+        return
+      }
+      try {
+        await this.$confirm(`确认保存预置位 ${this.newPresetId}${this.newPresetName ? ` · ${this.newPresetName}` : ''}？`, '保存预置位')
+        await createPreset({ nvrIp: channel.nvrIp, channel: Number(channel.channel), preset: this.newPresetId, presetName: this.newPresetName || null })
+        await this.loadPresets(true)
+        this.$message.success('预置位保存成功')
+      } catch (error) { if (error !== 'cancel' && error !== 'close') this.$message.error(error.message) }
+    },
+    async capture() {
+      if (!this.selectedCode) { this.$message.warning('请先选择摄像机'); return }
+      try {
+        const [deviceCode, domainCode] = this.splitCameraCode()
+        const command = await createSnapshot(deviceCode, domainCode)
+        if (!command || Number(command.resultCode) !== 0 || !command.taskID) throw new Error('抓图任务创建失败')
+        const response = await downloadSnapshot(command.taskID)
+        const url = URL.createObjectURL(response.data)
+        const link = document.createElement('a')
+        link.href = url
+        link.download = `camera-${this.selectedCode.replace(/[^A-Za-z0-9_-]/g, '_')}-${Date.now()}.jpg`
+        link.click()
+        setTimeout(() => URL.revokeObjectURL(url), 2000)
+        this.$message.success('抓图已下载')
+      } catch (error) { this.$message.error(error.message) }
+    },
+    showPendingOperation(name) {
+      this.$message.info(`${name}控制接口暂未接入`)
+    }
+  }
+}
+</script>
+
+<style lang="scss" scoped>
+.video-console { height: 100%; min-height: 0; display: flex; flex-direction: column; color: #dcecff; background: #0b1248; }
+.console-body { flex: 1; min-height: 0; display: flex; }
+.monitor-workspace { flex: 1; min-width: 0; display: flex; flex-direction: column; padding: 10px; }
+.monitor-head { height: 32px; display: flex; align-items: center; justify-content: space-between; color: #cfe5ff; }.monitor-head small { color: #648fbc; }
+.camera-grid { flex: 1; min-height: 0; display: grid; gap: 3px; background: rgba(14, 75, 146, .5); border: 1px solid #176bc2; }
+.camera-card { position: relative; min-width: 0; min-height: 0; overflow: hidden; border: 1px solid transparent; background: #050b24; cursor: pointer; }.camera-card.active { border-color: #54ffff; box-shadow: inset 0 0 0 1px rgba(84,255,255,.35); }
+.camera-label { position: absolute; left: 0; right: 0; top: 0; height: 28px; padding: 0 8px; display: flex; align-items: center; justify-content: space-between; color: #d8eaff; background: linear-gradient(180deg, rgba(0,10,36,.92), transparent); font-size: 11px; pointer-events: none; }.camera-label i { display: inline-block; width: 6px; height: 6px; margin-right: 5px; border-radius: 50%; background: #24e39f; box-shadow: 0 0 6px #24e39f; }
+.camera-actions { position: absolute; right: 5px; bottom: 5px; display: none; gap: 3px; }.camera-card:hover .camera-actions { display: flex; }.camera-actions button { width: 26px; height: 25px; border: 1px solid rgba(66, 167, 255, .55); color: #bfe0ff; background: rgba(4,28,78,.88); cursor: pointer; }
+.empty-slot { height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; color: #466f9c; background: radial-gradient(circle at center, #0b2a61, #050b24 70%); }.empty-slot i { font-size: 28px; }.empty-slot span { font-size: 11px; }
+.control-panel { width: 242px; min-width: 242px; padding: 10px; overflow-y: auto; border-left: 1px solid rgba(41, 139, 255, .45); background: rgba(7, 24, 78, .82); }
+.control-section { padding-bottom: 12px; margin-bottom: 12px; border-bottom: 1px solid rgba(39, 128, 220, .28); }.section-title { height: 30px; display: flex; align-items: center; justify-content: space-between; color: #54ffff; }.section-title small { max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: #719bc8; }.section-title button { border: 0; color: #75bfff; background: transparent; cursor: pointer; }
+.ptz-grid { width: 168px; margin: 6px auto 12px; display: grid; grid-template-columns: repeat(3, 50px); gap: 9px; }.ptz-grid button { width: 50px; height: 50px; border: 1px solid #b9d5fb; border-radius: 7px; color: #2874da; background: #e8f2ff; box-shadow: inset 0 0 0 1px rgba(255,255,255,.7); cursor: pointer; transition: color .15s, background .15s, transform .15s; }.ptz-grid button i { font-size: 18px; font-weight: 700; }.ptz-grid button:hover { color: #075cc6; background: #f6faff; }.ptz-grid button:active { color: #fff; background: #1670ca; transform: scale(.96); }
+.speed-row { display: grid; grid-template-columns: 34px minmax(0, 1fr) 48px; align-items: center; gap: 7px; color: #8eb7df; font-size: 12px; }.speed-row > input { min-width: 0; accent-color: #2497ff; }.speed-input { width: 48px; }
+.preset-quick-actions { display: flex; align-items: center; gap: 7px; margin: 9px 0 0 1px; }.preset-quick-actions button { display: grid; place-items: center; width: 24px; height: 24px; padding: 0; border: 1px solid rgba(48, 151, 248, .5); color: #58bfff; background: transparent; cursor: pointer; }.preset-quick-actions button:hover { background: rgba(31, 126, 222, .25); }.preset-quick-actions img { width: 18px; height: 18px; object-fit: contain; }
+.lens-actions { display: flex; align-items: center; justify-content: center; gap: 11px; min-height: 28px; margin: 0 0 10px; }.lens-tool { position: relative; width: 48px; height: 22px; overflow: hidden; }.lens-tool img { display: block; width: 100%; height: 100%; object-fit: fill; }.lens-tool button { position: absolute; top: 0; bottom: 0; width: 50%; padding: 0; border: 0; background: transparent; cursor: pointer; }.lens-tool button:first-of-type { left: 0; }.lens-tool button:last-of-type { right: 0; }.lens-tool button:active { background: rgba(73, 184, 255, .28); }
+.operation-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 9px; }.operation-grid button, .section-actions button { min-height: 29px; border: 1px solid rgba(47, 145, 241, .5); color: #abd4ff; background: #0b2b67; cursor: pointer; }.operation-grid button i { margin-right: 5px; }.operation-grid button.active, .section-actions button.primary { color: #fff; background: #176bc2; }
+.operation-grid .wide { grid-column: 1 / -1; }
+::v-deep .el-select .el-input__inner, ::v-deep .preset-create .el-input__inner, ::v-deep .speed-input .el-input__inner { color: #cce6ff; border-color: rgba(52, 147, 241, .5); background: #09265e; }
+::v-deep .speed-input .el-input__inner { height: 26px; padding: 0 7px; line-height: 26px; text-align: center; }
+::v-deep .speed-input.el-input-number--mini { line-height: 24px; }
+::v-deep .preset-create .el-input__inner { height: 28px; padding: 0 8px; line-height: 28px; }
+::v-deep .preset-create .el-input-number .el-input__inner { text-align: center; }
+::v-deep .preset-create .el-input-number--mini { line-height: 26px; }
+.preset-create { display: grid; grid-template-columns: 68px minmax(0, 1fr); align-items: center; gap: 6px; margin-top: 8px; }.preset-create .el-input-number { width: 68px; }.preset-create .el-input { width: 100%; }.section-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 8px; }
+@media (max-width: 1100px) { .control-panel { width: 218px; min-width: 218px; }.nvr-tree { width: 230px; min-width: 230px; } }
+</style>
diff --git a/src/views/video/components/NvrDeviceTree.vue b/src/views/video/components/NvrDeviceTree.vue
new file mode 100644
index 0000000..bfd1cef
--- /dev/null
+++ b/src/views/video/components/NvrDeviceTree.vue
@@ -0,0 +1,186 @@
+<template>
+  <aside class="nvr-tree">
+    <div class="tree-title">
+      <span><i class="el-icon-s-platform" /> 设备通道</span>
+      <strong>{{ filteredCount }}</strong>
+    </div>
+    <el-input
+      v-model.trim="query"
+      clearable
+      size="small"
+      prefix-icon="el-icon-search"
+      placeholder="搜索通道 / 分组"
+    />
+    <div v-loading="loading" class="tree-content">
+      <template v-if="visibleNvrs.length">
+        <section v-for="nvr in visibleNvrs" :key="nvr.key" class="nvr-node">
+          <button type="button" class="nvr-row" @click="toggle(nvr.key)">
+            <i :class="isOpen(nvr.key) ? 'el-icon-arrow-down' : 'el-icon-arrow-right'" />
+            <i class="el-icon-connection" />
+            <span>{{ nvr.name }}</span>
+            <small>{{ nvr.channels.length }}</small>
+          </button>
+          <div v-show="isOpen(nvr.key)" class="nvr-groups">
+            <section v-for="group in nvr.groups" :key="group.key" class="channel-group">
+              <button type="button" class="group-row" @click="toggle(group.key)">
+                <i :class="isOpen(group.key) ? 'el-icon-caret-bottom' : 'el-icon-caret-right'" />
+                <span>{{ group.name }}</span>
+                <small>{{ group.channels.length }}</small>
+              </button>
+              <button
+                v-for="channel in group.channels"
+                v-show="isOpen(group.key)"
+                :key="channel.cameraCode"
+                type="button"
+                class="channel-row"
+                :class="{ active: channel.cameraCode === selectedCode }"
+                @click="$emit('select', channel)"
+                @dblclick="$emit('open', channel)"
+              >
+                <i class="el-icon-video-camera" />
+                <span>{{ channel.name || `通道 ${channel.channel}` }}</span>
+                <small>CH{{ channel.channel }}</small>
+              </button>
+            </section>
+          </div>
+        </section>
+      </template>
+      <div v-else class="tree-empty">
+        <i class="el-icon-video-camera-solid" />
+        <span>{{ loading ? '正在读取设备配置' : '没有匹配的设备通道' }}</span>
+      </div>
+    </div>
+    <div class="tree-tip">{{ openHint }}</div>
+  </aside>
+</template>
+
+<script>
+export default {
+  name: 'NvrDeviceTree',
+  props: {
+    config: { type: Object, default: () => ({}) },
+    channels: { type: Array, default: () => [] },
+    selectedCode: { type: String, default: '' },
+    loading: { type: Boolean, default: false },
+    openHint: { type: String, default: '双击通道打开实时预览' }
+  },
+  data() {
+    return {
+      query: '',
+      expanded: {}
+    }
+  },
+  computed: {
+    visibleNvrs() {
+      const query = this.query.toLowerCase()
+      const configured = Array.isArray(this.config.nvrs) ? this.config.nvrs : []
+      const source = configured.length ? configured : this.inferredNvrs
+      return source.reduce((result, item, index) => {
+        const nvrIp = String(item.nvrIp || item.ip || '')
+        const ownChannels = Array.isArray(item.channels) && item.channels.length
+          ? item.channels
+          : this.channels.filter(channel => String(channel.nvrIp || '') === nvrIp)
+        const nvrName = item.name || item.nvrName || nvrIp || `NVR ${index + 1}`
+        const nvrMatches = [nvrName, nvrIp, item.nvrId].filter(Boolean).join(' ').toLowerCase().includes(query)
+        const channels = !query || nvrMatches ? ownChannels : ownChannels.filter(channel => {
+          return [channel.name, channel.group, channel.channel, channel.cameraCode]
+            .filter(Boolean).join(' ').toLowerCase().includes(query)
+        })
+        if (query && !nvrMatches && !channels.length) return result
+        const key = `nvr:${nvrIp || index}`
+        const grouped = channels.reduce((groups, channel) => {
+          const name = String(channel.group || '未分组')
+          if (!groups[name]) groups[name] = []
+          groups[name].push(channel)
+          return groups
+        }, {})
+        result.push({
+          ...item,
+          key,
+          name: nvrName,
+          channels,
+          groups: Object.keys(grouped).map(name => ({
+            key: `${key}:group:${name}`,
+            name,
+            channels: grouped[name]
+          }))
+        })
+        return result
+      }, [])
+    },
+    inferredNvrs() {
+      const map = new Map()
+      this.channels.forEach(channel => {
+        const key = String(channel.nvrIp || channel.nvrName || 'default')
+        if (!map.has(key)) map.set(key, { nvrIp: channel.nvrIp, name: channel.nvrName || channel.nvrIp, channels: [] })
+        map.get(key).channels.push(channel)
+      })
+      return Array.from(map.values())
+    },
+    filteredCount() {
+      return this.visibleNvrs.reduce((count, nvr) => count + nvr.channels.length, 0)
+    }
+  },
+  watch: {
+    visibleNvrs: {
+      immediate: true,
+      handler(nvrs) {
+        nvrs.forEach(nvr => {
+          if (this.expanded[nvr.key] === undefined) this.$set(this.expanded, nvr.key, true)
+          nvr.groups.forEach(group => {
+            if (this.expanded[group.key] === undefined) this.$set(this.expanded, group.key, true)
+          })
+        })
+      }
+    }
+  },
+  methods: {
+    toggle(key) {
+      this.$set(this.expanded, key, !this.isOpen(key))
+    },
+    isOpen(key) {
+      return this.expanded[key] !== false
+    }
+  }
+}
+</script>
+
+<style lang="scss" scoped>
+.nvr-tree {
+  width: 258px;
+  min-width: 258px;
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+  border-right: 1px solid rgba(41, 139, 255, .55);
+  background: rgba(7, 24, 78, .82);
+  color: #d7e9ff;
+}
+.tree-title { height: 46px; padding: 0 14px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(41, 139, 255, .35); color: #54ffff; font-size: 14px; }
+.tree-title i { margin-right: 6px; }
+.tree-title strong { min-width: 28px; height: 20px; padding: 0 7px; line-height: 20px; text-align: center; color: #b7d8ff; border: 1px solid rgba(55, 151, 255, .4); background: #0d3472; font-size: 12px; }
+::v-deep .el-input { margin: 10px 12px; width: calc(100% - 24px); }
+::v-deep .el-input__inner { color: #d7e9ff; border-color: rgba(56, 151, 255, .45); background: rgba(7, 30, 88, .75); }
+.tree-content {
+  flex: 1;
+  min-height: 0;
+  overflow-y: auto;
+  padding: 0 8px 8px;
+  scrollbar-width: none;
+  -ms-overflow-style: none;
+}
+.tree-content::-webkit-scrollbar { display: none; }
+.nvr-row, .group-row, .channel-row { width: 100%; border: 0; color: inherit; background: transparent; cursor: pointer; text-align: left; letter-spacing: 0; }
+.nvr-row { height: 36px; display: flex; align-items: center; gap: 7px; color: #cce4ff; font-weight: 600; }
+.nvr-row span, .channel-row span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
+.nvr-row small, .group-row small { color: #78a6d8; font-weight: 400; }
+.group-row { height: 30px; padding-left: 17px; color: #8ebce8; }
+.group-row i { margin-right: 5px; }
+.channel-row { height: 34px; padding: 0 7px 0 34px; display: flex; align-items: center; gap: 8px; border-left: 2px solid transparent; color: #b9d8f8; }
+.channel-row:hover { background: rgba(25, 105, 194, .22); }
+.channel-row.active { color: #54ffff; border-left-color: #26d8ff; background: rgba(19, 100, 196, .38); }
+.channel-row small { color: #668fbd; font-size: 10px; }
+.tree-empty { height: 180px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; color: #7298c3; }
+.tree-empty i { font-size: 32px; }
+.tree-tip { min-height: 35px; padding: 9px 12px; border-top: 1px solid rgba(41, 139, 255, .3); color: #6f9ecc; font-size: 11px; line-height: 16px; }
+</style>
diff --git a/src/views/video/components/NvrStreamPlayer.vue b/src/views/video/components/NvrStreamPlayer.vue
new file mode 100644
index 0000000..a04742d
--- /dev/null
+++ b/src/views/video/components/NvrStreamPlayer.vue
@@ -0,0 +1,154 @@
+<template>
+  <div class="stream-player" :class="{ ready }">
+    <video ref="video" autoplay playsinline :muted="muted" />
+    <div v-if="!ready" class="stream-placeholder">
+      <i :class="loading ? 'el-icon-loading' : 'el-icon-video-camera'" />
+      <span>{{ loading ? '正在连接视频流' : placeholder }}</span>
+    </div>
+  </div>
+</template>
+
+<script>
+import Hls from 'hls.js'
+import flvjs from 'flv.js'
+
+export default {
+  name: 'NvrStreamPlayer',
+  props: {
+    source: { type: Object, default: () => ({}) },
+    muted: { type: Boolean, default: true },
+    autoplay: { type: Boolean, default: true },
+    loading: { type: Boolean, default: false },
+    placeholder: { type: String, default: '等待打开视频通道' }
+  },
+  data() {
+    return { hls: null, flv: null, ready: false, hlsRetryTimer: null }
+  },
+  watch: {
+    source: {
+      deep: true,
+      handler() { this.attach() }
+    },
+    muted(value) {
+      if (this.$refs.video) this.$refs.video.muted = value
+    }
+  },
+  mounted() {
+    this.attach()
+  },
+  beforeDestroy() {
+    this.destroyPlayer()
+  },
+  methods: {
+    play() {
+      const video = this.$refs.video
+      return video ? video.play() : Promise.resolve()
+    },
+    pause() {
+      if (this.$refs.video) this.$refs.video.pause()
+    },
+    destroyPlayer() {
+      clearTimeout(this.hlsRetryTimer)
+      this.hlsRetryTimer = null
+      if (this.hls) {
+        this.hls.destroy()
+        this.hls = null
+      }
+      if (this.flv) {
+        try { this.flv.destroy() } catch (_) { /* player already released */ }
+        this.flv = null
+      }
+      const video = this.$refs.video
+      if (video) {
+        video.pause()
+        video.removeAttribute('src')
+        video.load()
+      }
+      this.ready = false
+    },
+    attach() {
+      this.$nextTick(() => {
+        const video = this.$refs.video
+        if (!video) return
+        const flvUrl = this.source && this.source.flvUrl
+        const hlsUrl = this.source && this.source.hlsUrl
+        this.destroyPlayer()
+        video.muted = this.muted
+        const markReady = () => {
+          this.ready = true
+          this.$emit('ready')
+        }
+        video.onloadeddata = markReady
+        video.oncanplay = markReady
+        video.onplaying = markReady
+        video.onerror = () => this.$emit('error', new Error('视频播放失败'))
+        if (flvUrl && flvjs.isSupported()) {
+          this.flv = flvjs.createPlayer(
+            { type: 'flv', url: flvUrl, isLive: true },
+            { enableStashBuffer: false, lazyLoad: false, autoCleanupSourceBuffer: true }
+          )
+          this.flv.attachMediaElement(video)
+          this.flv.load()
+          if (this.autoplay) Promise.resolve(this.flv.play()).catch(() => undefined)
+          this.flv.on(flvjs.Events.ERROR, () => {
+            if (hlsUrl) this.attachHls(video, hlsUrl)
+            else this.$emit('error', new Error('HTTP-FLV 播放失败'))
+          })
+          return
+        }
+        if (hlsUrl) this.attachHls(video, hlsUrl)
+      })
+    },
+    attachHls(video, url) {
+      if (this.flv) {
+        try { this.flv.destroy() } catch (_) { /* ignore */ }
+        this.flv = null
+      }
+      if (Hls.isSupported()) {
+        const hls = new Hls({
+          enableWorker: true,
+          lowLatencyMode: true,
+          liveDurationInfinity: true,
+          manifestLoadingMaxRetry: 8,
+          levelLoadingMaxRetry: 8,
+          fragLoadingMaxRetry: 8
+        })
+        this.hls = hls
+        hls.on(Hls.Events.MEDIA_ATTACHED, () => {
+          if (this.hls === hls) hls.loadSource(url)
+        })
+        hls.on(Hls.Events.MANIFEST_PARSED, () => {
+          if (this.autoplay) video.play().catch(() => undefined)
+        })
+        hls.on(Hls.Events.ERROR, (_, detail) => {
+          if (this.hls !== hls || !detail || !detail.fatal) return
+          if (detail.type === Hls.ErrorTypes.NETWORK_ERROR) {
+            clearTimeout(this.hlsRetryTimer)
+            this.hlsRetryTimer = setTimeout(() => {
+              if (this.hls === hls) hls.startLoad()
+            }, 800)
+          } else if (detail.type === Hls.ErrorTypes.MEDIA_ERROR) {
+            hls.recoverMediaError()
+          } else {
+            this.$emit('error', new Error('HLS 播放失败'))
+          }
+        })
+        hls.attachMedia(video)
+      } else if (video.canPlayType('application/vnd.apple.mpegurl')) {
+        video.src = url
+        if (this.autoplay) video.play().catch(() => undefined)
+      } else {
+        this.$emit('error', new Error('当前浏览器不支持 HLS 播放'))
+      }
+    }
+  }
+}
+</script>
+
+<style lang="scss" scoped>
+.stream-player { position: relative; width: 100%; height: 100%; overflow: hidden; background: #050b24; }
+video { width: 100%; height: 100%; display: block; object-fit: contain; background: #050b24; }
+.stream-placeholder { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; color: #527ca8; background: radial-gradient(circle at center, rgba(12, 47, 103, .45), rgba(3, 9, 32, .92)); }
+.stream-placeholder i { font-size: 34px; }
+.stream-placeholder span { font-size: 12px; }
+</style>
diff --git a/vue.config.js b/vue.config.js
index 53cd73a..0d46ee5 100644
--- a/vue.config.js
+++ b/vue.config.js
@@ -34,7 +34,15 @@ module.exports = {
     host: '0.0.0.0',
     port: port,
     open: true,
+    historyApiFallback: true,
     proxy: {
+      '/nvr-api': {
+        target: 'http://192.168.1.86:28081',
+        changeOrigin: true,
+        pathRewrite: {
+          '^/nvr-api': ''
+        }
+      },
       // detail: https://cli.vuejs.org/config/#devserver-proxy
       [process.env.VUE_APP_BASE_API]: {
         // target: `http://localhost:8080`,