diff --git a/src/api/nvrVideo.js b/src/api/nvrVideo.js
index 4534438..6c1d081 100644
--- a/src/api/nvrVideo.js
+++ b/src/api/nvrVideo.js
@@ -1,4 +1,11 @@
 import request from '@/utils/request'
+import axios from 'axios'
+
+const ivsRequest = axios.create({
+  baseURL: process.env.VUE_APP_NVR_API || '/nvr-api',
+  timeout: 15000,
+  headers: { 'Content-Type': 'application/json;charset=utf-8' }
+})
 
 const unwrap = promise => promise.then(result => {
   if (result && Object.prototype.hasOwnProperty.call(result, 'data')) return result.data
@@ -56,6 +63,10 @@ export function controlPtz(payload) {
   }))
 }
 
+export function controlWiper(payload) {
+  return ivsRequest.post('/device/ptzcontrol', payload).then(response => response.data)
+}
+
 export function getPresetList(cameraCode) {
   const [device, domain] = encodeCameraCodeSegments(cameraCode)
   return unwrap(request({
diff --git a/src/views/cards/taskSummary/inspectionTask.vue b/src/views/cards/taskSummary/inspectionTask.vue
index e2037e1..3e1c690 100644
--- a/src/views/cards/taskSummary/inspectionTask.vue
+++ b/src/views/cards/taskSummary/inspectionTask.vue
@@ -204,6 +204,7 @@
             <template slot-scope="scope">
               <span class="table-action-link" @click="lookDetail(scope.row)">
                 <img
+                  class="task-detail-icon"
                   src="../assets/taskDetail.png"
                   style="width: 22px; height: 22px"
                 />
@@ -232,6 +233,7 @@
                 @click="lookBasicReport(scope.row)"
               >
                 <img
+                  class="task-detail-icon"
                   style="width: 22px; height: 22px"
                   src="../assets/icon-document.png"
                 />
@@ -722,7 +724,12 @@ export default {
       return row.fileStatus == 0 && row.taskState == 1;
     },
     setTableHeight() {
-      this.tableHeight = this.$refs.tableCardRef.clientHeight - 40;
+      // Reserve enough space for the pagination bar so it is not clipped
+      // by the table card's overflow-hidden container.
+      this.tableHeight = Math.max(
+        0,
+        this.$refs.tableCardRef.clientHeight - 52
+      );
     },
     getList(showLoading = false) {
       // 保存当前选中的任务ID
@@ -1147,6 +1154,11 @@ export default {
   cursor: pointer;
 }
 
+.task-detail-icon {
+  vertical-align: middle;
+  transform: translateY(-1px);
+}
+
 .task-name-cell {
   display: block;
   overflow: hidden;
diff --git a/src/views/cards/taskSummary/newInspectionTaskDetail.vue b/src/views/cards/taskSummary/newInspectionTaskDetail.vue
index c5ec69d..844b380 100644
--- a/src/views/cards/taskSummary/newInspectionTaskDetail.vue
+++ b/src/views/cards/taskSummary/newInspectionTaskDetail.vue
@@ -1050,12 +1050,12 @@ export default {
   width: 189px;
 
   .el-input__inner {
-    background-color: #1a2530 !important;
-    border-color: #34495e !important;
-    color: #c6d3ec !important;
+    background-color: rgba(27, 42, 94, 0.94) !important;
+    border-color: #6f95de !important;
+    color: #dcecff !important;
 
     &::placeholder {
-      color: #7b8ca8 !important;
+      color: rgba(220, 236, 255, 0.5) !important;
     }
   }
 
@@ -1098,6 +1098,29 @@ export default {
   white-space: nowrap !important;
   word-break: keep-all;
 }
+
+// Prevent the header's horizontal scrollbar from leaving an extra strip on
+// compact laptop viewports while preserving horizontal scrolling for cells.
+::v-deep .card-table .el-table__header-wrapper {
+  overflow-x: hidden !important;
+  overflow-y: hidden !important;
+}
+
+::v-deep .card-table .el-table__header-wrapper col[name="gutter"],
+::v-deep .card-table .el-table__header-wrapper th.gutter {
+  display: none !important;
+  width: 0 !important;
+}
+
+::v-deep .card-table .el-table__header {
+  width: 100% !important;
+  table-layout: fixed;
+}
+
+::v-deep .card-table .el-table__body {
+  width: 100% !important;
+  table-layout: fixed;
+}
 </style>
 
 <!-- 全局样式：用于 el-autocomplete 下拉菜单 -->
@@ -1128,22 +1151,22 @@ export default {
 }
 
 .custom-autocomplete-popper {
-  background-color: #222f3e !important;
-  border: 1px solid #34495e !important;
+  background-color: #0b2351 !important;
+  border: 1px solid #173f89 !important;
   border-radius: 4px !important;
 
   .el-scrollbar {
     .el-scrollbar__view {
       li {
-        background-color: #222f3e !important;
-        color: #c6d3ec !important;
+        background-color: #0b2351 !important;
+        color: #dcecff !important;
         font-size: 14px;
         padding: 0 20px;
         height: 34px;
         line-height: 34px;
 
         &:hover {
-          background-color: #2c3e50 !important;
+          background-color: #176bc2 !important;
         }
 
         &.highlighted {
@@ -1155,10 +1178,10 @@ export default {
   }
 
   .popper__arrow {
-    border-bottom-color: #34495e !important;
+    border-bottom-color: #173f89 !important;
 
     &::after {
-      border-bottom-color: #222f3e !important;
+      border-bottom-color: #0b2351 !important;
     }
   }
 }
diff --git a/src/views/video/LivePreview.vue b/src/views/video/LivePreview.vue
index 35a7c73..a3c24cc 100644
--- a/src/views/video/LivePreview.vue
+++ b/src/views/video/LivePreview.vue
@@ -1,15 +1,27 @@
 <template>
   <div class="video-console live-preview">
     <div class="console-body">
-      <nvr-device-tree
-        :config="config"
-        :channels="channels"
-        :selected-code="selectedCode"
-        :loading="loading"
-        @channels-loaded="handleTreeChannels"
-        @select="selectChannel"
-        @open="openChannel"
-      />
+      <div class="tree-panel" :style="{ width: treePanelWidth + 'px' }">
+        <nvr-device-tree
+          :config="config"
+          :channels="channels"
+          :selected-code="selectedCode"
+          :loading="loading"
+          @channels-loaded="handleTreeChannels"
+          @select="selectChannel"
+          @open="openChannel"
+        />
+        <div
+          class="tree-resize-handle"
+          :class="{ resizing: isTreeResizing }"
+          title="拖拽调整设备树宽度"
+          @mousedown="startTreeResize"
+        >
+          <span />
+          <span />
+          <span />
+        </div>
+      </div>
 
       <main class="monitor-workspace">
         <div class="monitor-head">
@@ -141,7 +153,9 @@
             <button type="button" :class="{ active: !activeMuted }" @click="toggleMuted">
               <i :class="activeMuted ? '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" :disabled="wiperRunning" @click="wipeOnce">
+              <i :class="wiperRunning ? 'el-icon-loading' : 'el-icon-umbrella'" />{{ wiperRunning ? '擦拭中' : '雨刷器' }}
+            </button>
             <button type="button" @click="showPendingOperation('3D定位')"><i class="el-icon-aim" />3D定位</button>
           </div>
         </section>
@@ -155,7 +169,7 @@ import NvrDeviceTree from './components/NvrDeviceTree.vue'
 import NvrStreamPlayer from './components/NvrStreamPlayer.vue'
 import {
   getNvrConfig, startLive, getLiveStatus, stopLive, controlPtz,
-  getPresetList, createPreset, createSnapshot, downloadSnapshot
+  getPresetList, createPreset, createSnapshot, downloadSnapshot, controlWiper
 } from '@/api/nvrVideo'
 
 const PTZ_CODES = {
@@ -175,7 +189,14 @@ export default {
       treeChannelsLoaded: false,
       treeChannelCodes: new Set(),
       controlPanelExpanded: false,
+      treePanelWidth: 400,
+      isTreeResizing: false,
+      treeResizeStartX: 0,
+      treeResizeStartWidth: 0,
       streamsInitialized: false,
+      pageActive: true,
+      lifecycleId: 0,
+      streamCleanupPromise: null,
       selectedCode: '',
       layout: 9,
       layouts: [
@@ -193,6 +214,7 @@ export default {
       ptzActive: false,
       ptzCameraCode: '',
       ptzRepeatTimer: null,
+      wiperRunning: false,
       presets: [],
       presetId: null,
       newPresetId: null,
@@ -251,12 +273,54 @@ export default {
     this.$root.$emit('video-control-panel-updated', this.controlPanelExpanded)
     this.loadConfig()
   },
+  async activated() {
+    if (this.pageActive) return
+    const lifecycleId = ++this.lifecycleId
+    if (this.streamCleanupPromise) await this.streamCleanupPromise
+    if (lifecycleId !== this.lifecycleId) return
+    this.pageActive = true
+    this.layout = 9
+    this.$root.$emit('video-layout-updated', this.layout)
+    if (this.channels.length) {
+      this.streamsInitialized = true
+      this.populateRandomLayout()
+    }
+  },
+  deactivated() {
+    this.pauseStreams()
+  },
   beforeDestroy() {
+    this.stopTreeResize()
+    this.lifecycleId += 1
+    this.pageActive = false
     this.$root.$off('video-layout-change', this.changeLayout)
     this.$root.$off('video-control-panel-change', this.changeControlPanel)
     this.closeAll()
   },
   methods: {
+    startTreeResize(event) {
+      if (event.button !== 0) return
+      this.isTreeResizing = true
+      this.treeResizeStartX = event.clientX
+      this.treeResizeStartWidth = this.treePanelWidth
+      document.body.style.cursor = 'col-resize'
+      document.body.style.userSelect = 'none'
+      document.addEventListener('mousemove', this.onTreeResize)
+      document.addEventListener('mouseup', this.stopTreeResize)
+    },
+    onTreeResize(event) {
+      if (!this.isTreeResizing) return
+      const width = this.treeResizeStartWidth + event.clientX - this.treeResizeStartX
+      this.treePanelWidth = Math.max(260, Math.min(620, width))
+    },
+    stopTreeResize() {
+      if (!this.isTreeResizing) return
+      this.isTreeResizing = false
+      document.removeEventListener('mousemove', this.onTreeResize)
+      document.removeEventListener('mouseup', this.stopTreeResize)
+      document.body.style.cursor = ''
+      document.body.style.userSelect = ''
+    },
     async loadConfig() {
       this.loading = true
       this.connectionText = '读取配置'
@@ -311,7 +375,7 @@ export default {
           name: channelName || (channel.channelCode && !this.isCameraCodeName(channel.channelCode) ? channel.channelCode : `通道 ${channel.channel || ''}`)
         })
       })
-      if (initializeStreams && !this.streamsInitialized && this.channels.length) {
+      if (initializeStreams && this.pageActive && !this.streamsInitialized && this.channels.length) {
         this.streamsInitialized = true
         this.populateRandomLayout()
       }
@@ -341,12 +405,15 @@ export default {
       return channels
     },
     async populateRandomLayout() {
+      if (!this.pageActive) return
       const channels = this.shuffleChannels().slice(0, this.capacity)
       if (!channels.length) return
       await Promise.all(this.slots.map((slot, index) => slot ? this.closeSlot(index, false) : null))
+      if (!this.pageActive) return
       this.activeIndex = 0
       this.controlTarget = null
       for (let index = 0; index < channels.length; index += 1) {
+        if (!this.pageActive) return
         await this.startChannel(channels[index], index)
       }
     },
@@ -355,7 +422,7 @@ export default {
       this.startChannel(channel)
     },
     async startChannel(channel, targetIndex = this.activeIndex, attemptedCameraCodes = []) {
-      if (!channel || !channel.cameraCode) return
+      if (!this.pageActive || !channel || !channel.cameraCode) return
       const index = targetIndex
       const current = this.slots[index]
       if (current && current.cameraCode === channel.cameraCode) {
@@ -363,10 +430,12 @@ export default {
         return
       }
       if (this.slots[index]) await this.closeSlot(index, false)
+      if (!this.pageActive) return
       const slot = {
         ...channel,
         loading: true,
         streamSource: { hlsUrl: '', flvUrl: '' },
+        startPromise: null,
         muted: true,
         errorNotified: false,
         attemptedCameraCodes: [...attemptedCameraCodes, channel.cameraCode],
@@ -380,7 +449,8 @@ export default {
       this.presets = []
       this.presetId = null
       try {
-        const result = await startLive(channel)
+        slot.startPromise = startLive(channel)
+        const result = await slot.startPromise
         if (this.slots[index] !== slot) return
         this.applyLiveResult(index, slot, result)
         if (!slot.streamSource.hlsUrl && !slot.streamSource.flvUrl) {
@@ -409,13 +479,14 @@ export default {
       return url
     },
     pollLive(index, slot, attempt) {
-      if (this.slots[index] !== slot) return
+      if (!this.pageActive || 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() => {
+        if (!this.pageActive || this.slots[index] !== slot) return
         try {
           const result = await getLiveStatus(slot.cameraCode)
           this.applyLiveResult(index, slot, result)
@@ -436,11 +507,23 @@ export default {
         this.presets = []
         this.presetId = null
       }
+      if (slot.startPromise) {
+        try { await slot.startPromise } catch (_) { /* no stream session was created */ }
+      }
       try { await stopLive(slot.cameraCode) } catch (_) { /* release the UI slot first */ }
       if (notify) this.$message.success('视频通道已关闭')
     },
     closeAll() {
-      this.slots.forEach((slot, index) => { if (slot) this.closeSlot(index, false) })
+      return Promise.all(this.slots.map((slot, index) => slot ? this.closeSlot(index, false) : null))
+    },
+    pauseStreams() {
+      this.lifecycleId += 1
+      this.pageActive = false
+      this.streamsInitialized = false
+      if (this.ptzActive) this.stopPtz()
+      clearInterval(this.ptzRepeatTimer)
+      this.ptzRepeatTimer = null
+      this.streamCleanupPromise = this.closeAll()
     },
     changeLayout(layout) {
       if (layout === this.layout) return
@@ -477,7 +560,7 @@ export default {
       this.switchToNextChannel(index, slot, error)
     },
     async switchToNextChannel(index, failedSlot, error) {
-      if (this.slots[index] !== failedSlot) return
+      if (!this.pageActive || this.slots[index] !== failedSlot) return
       const attemptedCodes = new Set(failedSlot.attemptedCameraCodes || [failedSlot.cameraCode])
       const occupiedCodes = new Set(this.slots
         .filter((slot, slotIndex) => slot && slotIndex !== index)
@@ -493,6 +576,7 @@ export default {
       }
       this.$set(this.slots, index, null)
       try { await stopLive(failedSlot.cameraCode) } catch (_) { /* continue switching cameras */ }
+      if (!this.pageActive) return
       if (nextChannel) {
         await this.startChannel(nextChannel, index, Array.from(attemptedCodes))
       } else {
@@ -608,6 +692,87 @@ export default {
       if (!this.controlTarget) { this.$message.warning('请先选择有视频的画面'); return }
       this.$set(this.controlTarget, 'muted', !(this.controlTarget.muted !== false))
     },
+    getIvsIdentity() {
+      const firstValue = value => Array.isArray(value) ? value[0] : value
+      const query = this.$route.query || {}
+      const username = firstValue(query.username) || sessionStorage.getItem('username') || this.$store.getters.name
+      const joinbrightToken = firstValue(query['joinbright-token']) || firstValue(query.token) || sessionStorage.getItem('joinbright-token')
+      return { username: username || undefined, joinbrightToken: joinbrightToken || undefined }
+    },
+    async sendWiperCommand(cameraCode, controlCode) {
+      try {
+        const result = await controlWiper({
+          cameraCode,
+          controlCode,
+          controlPara1: '1',
+          controlPara2: '',
+          ...this.getIvsIdentity()
+        })
+        if (!result || typeof result !== 'object') {
+          const error = new Error('雨刷器接口响应无效')
+          error.resultUncertain = true
+          throw error
+        }
+        if (Number(result.resultCode) !== 0) {
+          const error = new Error(result.message || '雨刷器控制失败')
+          error.resultUncertain = false
+          throw error
+        }
+        return result
+      } catch (error) {
+        if (typeof error.resultUncertain !== 'boolean') {
+          const status = error.response && error.response.status
+          error.resultUncertain = !status || status >= 500
+        }
+        throw error
+      }
+    },
+    wiperErrorMessage(error) {
+      return (error.response && error.response.data && error.response.data.message) || error.message || '未知错误'
+    },
+    async wipeOnce() {
+      const cameraCode = this.controlTarget && this.controlTarget.cameraCode
+      if (!cameraCode) { this.$message.warning('请先选择有视频的画面'); return }
+      if (this.wiperRunning) return
+
+      this.wiperRunning = true
+      let opened = false
+      let openError = null
+      let closeError = null
+      try {
+        try {
+          await this.sendWiperCommand(cameraCode, 27)
+          opened = true
+          await new Promise(resolve => setTimeout(resolve, 5000))
+        } catch (error) {
+          openError = error
+        }
+
+        if (opened || (openError && openError.resultUncertain !== false)) {
+          try {
+            await this.sendWiperCommand(cameraCode, 28)
+          } catch (error) {
+            closeError = error
+          }
+        }
+
+        if (closeError) {
+          this.$message({
+            type: 'error',
+            message: `雨刷器关闭失败，请立即人工停止：${this.wiperErrorMessage(closeError)}`,
+            duration: 0,
+            showClose: true
+          })
+        } else if (openError) {
+          const prefix = openError.resultUncertain === false ? '雨刷器启动失败' : '雨刷器启动结果不确定，已尝试发送关闭命令'
+          this.$message.error(`${prefix}：${this.wiperErrorMessage(openError)}`)
+        } else {
+          this.$message.success('雨刷器擦拭完成')
+        }
+      } finally {
+        this.wiperRunning = false
+      }
+    },
     showPendingOperation(name) {
       this.$message.info(`${name}控制接口暂未接入`)
     }
@@ -618,6 +783,11 @@ export default {
 <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; gap: 10px; }
+.tree-panel { position: relative; flex: 0 0 auto; min-width: 260px; max-width: 620px; height: 100%; }
+.tree-panel .nvr-tree { width: 100%; min-width: 0; }
+.tree-resize-handle { position: absolute; z-index: 3; top: 0; right: -6px; width: 12px; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; cursor: col-resize; }
+.tree-resize-handle span { display: block; width: 3px; height: 3px; border-radius: 50%; background: #4b9eff; box-shadow: 0 0 4px rgba(75,158,255,.8); }
+.tree-resize-handle:hover span, .tree-resize-handle.resizing span { background: #54ffff; }
 .monitor-workspace { flex: 1; min-width: 0; height: 100%; display: flex; flex-direction: column; padding: 10px; border: 1px solid rgba(63,127,216,.72); border-radius: 2px; box-sizing: border-box; }
 .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; }
@@ -632,6 +802,7 @@ export default {
 .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 button:disabled { color: #6385aa; background: #081f4d; cursor: not-allowed; }
 .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; }
@@ -640,5 +811,5 @@ export default {
 ::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; } }
+@media (max-width: 1100px) { .control-panel { width: 218px; min-width: 218px; }.tree-panel { min-width: 230px; }.tree-panel .nvr-tree { width: 100%; } }
 </style>