diff --git a/src/composables/useKeepAlive.js b/src/composables/useKeepAlive.js
new file mode 100644
index 0000000..8ee67ea
--- /dev/null
+++ b/src/composables/useKeepAlive.js
@@ -0,0 +1,55 @@
+import { ref } from 'vue'
+import { newPodApi } from '@/api/user'
+
+// 模块级变量，确保所有组件实例共享同一个定时器状态
+let keepAliveTimer = null
+const isRunning = ref(false)
+
+export function useKeepAlive() {
+  const callKeepAlive = async () => {
+    const session = localStorage.getItem('newPodSession')
+    if (!session) {
+      stopKeepAlive()
+      return
+    }
+    try {
+      await newPodApi({
+        session: Number(session),
+        id: 2,
+        call: {
+          service: 'rpc',
+          method: 'keepAlive'
+        },
+        params: {
+          timeout: 60
+        }
+      })
+    } catch (e) {
+      console.error('KeepAlive error:', e)
+    }
+  }
+
+  const startKeepAlive = () => {
+    if (keepAliveTimer) return // 已启动，避免重复
+
+    const session = localStorage.getItem('newPodSession')
+    if (!session) return
+    isRunning.value = true
+    callKeepAlive()
+    keepAliveTimer = setInterval(callKeepAlive, 60000)
+  }
+
+  const stopKeepAlive = () => {
+    if (keepAliveTimer) {
+      clearInterval(keepAliveTimer)
+      keepAliveTimer = null
+    }
+    isRunning.value = false
+  }
+
+  return {
+    isRunning,
+    startKeepAlive,
+    stopKeepAlive
+  }
+}
diff --git a/src/stores/user.js b/src/stores/user.js
index fb69ce3..a4d5a2c 100644
--- a/src/stores/user.js
+++ b/src/stores/user.js
@@ -36,25 +36,14 @@ export const useUserStore = defineStore('user', () => {
   const logout = async () => {
     if (isLoggingOut.value) return
     isLoggingOut.value = true
-    const params = {
-      "session": 2878481200,
-      "id": 2,
-      "call": {
-          "service": "rpc",
-          "method": "logout"
-      }
-    }
     try {
       await logoutApi()
-      // 退出后台吊舱登录
-      await newPodApi(params)
     } catch (e) {
       // 忽略logout接口错误
     } finally {
       token.value = ''
       userInfo.value = null
       localStorage.removeItem('token')
-      localStorage.removeItem('newPodSession')
       isLoggingOut.value = false
     }
   }
diff --git a/src/utils/request.js b/src/utils/request.js
index f26caba..becf0e0 100644
--- a/src/utils/request.js
+++ b/src/utils/request.js
@@ -7,7 +7,7 @@ function createService(baseURL) {
 
   const service = axios.create({
     baseURL: baseURL,
-    timeout: 15000
+    timeout: 120000
   })
 
   // 请求拦截器
diff --git a/src/views/detail/index.vue b/src/views/detail/index.vue
index 6d86dd4..23e3b8b 100644
--- a/src/views/detail/index.vue
+++ b/src/views/detail/index.vue
@@ -59,9 +59,9 @@
           <div class="focus-controls">
             <div class="control-row">
               <el-button-group>
-                <el-button icon="ZoomOut" @click="focusing(-1)" />
+                <el-button icon="ZoomOut" @mousedown="focusing(-1)" @mouseup="focusing(0)" />
                 <el-button disabled class="control-label">调焦</el-button>
-                <el-button icon="ZoomIn" @click="focusing(1)" />
+                <el-button icon="ZoomIn" @mousedown="focusing(1)" @mouseup="focusing(0)" />
               </el-button-group>
             </div>
           </div>
@@ -72,9 +72,9 @@
           <div class="focus-controls">
             <div class="control-row">
               <el-button-group>
-                <el-button icon="ZoomOut" @click="focus(-1)" />
+                <el-button icon="ZoomOut" @mousedown="focus(-1)" @mouseup="focus(0)" />
                 <el-button disabled class="control-label">聚焦</el-button>
-                <el-button icon="ZoomIn" @click="focus(1)" />
+                <el-button icon="ZoomIn" @mousedown="focus(1)" @mouseup="focus(0)" />
               </el-button-group>
             </div>
           </div>
@@ -85,9 +85,9 @@
           <div class="aperture-controls">
             <div class="control-row">
               <el-button-group>
-                <el-button icon="ZoomOut" @click="aperture(-1)" />
+                <el-button icon="ZoomOut" @mousedown="aperture(-1)" @mouseup="aperture(0)" />
                 <el-button disabled class="control-label">光圈</el-button>
-                <el-button icon="ZoomIn" @click="aperture(1)" />
+                <el-button icon="ZoomIn" @mousedown="aperture(1)" @mouseup="aperture(0)" />
               </el-button-group>
             </div>
           </div>
@@ -135,24 +135,46 @@
               >
                 {{ recordingStates[index] ? '停止' : '录屏' }}
               </el-button>
-              <el-button size="small" icon="FullScreen">放大</el-button>
+              <el-button size="small" icon="FullScreen" @click="openEnlarge(index)">放大</el-button>
             </div>
           </div>
         </div>
       </div>
     </div>
+
+    <!-- 放大弹窗 -->
+    <el-dialog
+      v-model="enlargeVisible"
+      :title="enlargeTitle"
+      fullscreen
+      destroy-on-close
+      :close-on-press-escape="true"
+      @closed="handleEnlargeClosed"
+    >
+      <div class="enlarge-video-body">
+        <WebRtcPlayer
+          v-if="enlargeVisible && deviceInfos.cameras && enlargedIndex !== null"
+          :key="'enlarge-' + enlargedIndex"
+          :src="`${deviceInfos.cameras[enlargedIndex]?.videoStreaming}/whep`"
+        />
+      </div>
+    </el-dialog>
   </div>
 </template>
 
 <script setup>
-import { ref, onMounted, onBeforeUnmount, markRaw } from 'vue'
+import { ref, onMounted, onBeforeUnmount, markRaw, computed } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 import { ElMessage } from 'element-plus'
+import sha256 from 'js-sha256'
 import { getPodInfos } from '@/api/pod_detail'
 import { newPodApi } from '@/api/user'
 import { TopLeft, Top, TopRight, Back, Refresh, Right, BottomLeft, Bottom, BottomRight } from '@element-plus/icons-vue'
 import fileHttp from '@/utils/fileHttp'
 import WebRtcPlayer from '@/components/WebRtcPlayer.vue' 
+import { useKeepAlive } from '@/composables/useKeepAlive'
+const { startKeepAlive } = useKeepAlive()
+const { stopKeepAlive } = useKeepAlive()
 // 方向按钮配置：3行3列
 const directionRows = [
   [
@@ -192,19 +214,12 @@ const podInfo = async () => {
   }
 }
 // 控制设备
-const newPodSession = localStorage.getItem('newPodSession')
-const params = {  
-    "session": Number(newPodSession),
-    "id": 2,
-    "call": {
-        "service": "ptz",
-        "method": "setPTZCmd"
-    },
-}
+const newPodSession = ref(0)
+const params = ref({})
 // 方向控制
 const controlPod = (x,y) => {
   const reqParams = {
-    ...params,
+    ...params.value,
     "params": {
         "channel": 0,
         "continuousPanTiltSpace": {
@@ -213,14 +228,14 @@ const controlPod = (x,y) => {
         }
     }
   }
-  newPodApi(reqParams)
+  podApi(reqParams)
 }
 // 自转
 const isRotating = ref(false)
 const podRotation = ()=>{
   isRotating.value = !isRotating.value
   const reqParams = {
-    ...params,
+    ...params.value,
     "params": {
         "channel": 0,
         "autoPanCtrl": {
@@ -228,12 +243,12 @@ const podRotation = ()=>{
         }
     }
   }
-  newPodApi(reqParams)
+  podApi(reqParams)
 }
 // 调焦
-const focusing = async(val) => {
+const focusing = (val) => {
   const reqParams = {
-    ...params,
+    ...params.value,
     "params": {
         "channel": 0,
         "continuousZoomSpace": {
@@ -241,14 +256,12 @@ const focusing = async(val) => {
         }
     }
   }
-  await newPodApi(reqParams)
-  reqParams.params.continuousZoomSpace.z = 0
-  newPodApi(reqParams)
+  podApi(reqParams)
 }
 // 聚焦
-const focus = async(val) => {
+const focus = (val) => {
   const reqParams = {
-    ...params,
+    ...params.value,
     "params": {
         "channel": 0,
         "focusCtrl": {
@@ -256,14 +269,12 @@ const focus = async(val) => {
         }
     }
   }
-  await newPodApi(reqParams)
-  reqParams.params.focusCtrl.focus = 0
-  newPodApi(reqParams)
+  podApi(reqParams)
 }
 // 光圈
-const aperture = async(val) => { 
+const aperture = (val) => { 
   const reqParams = {
-    ...params,
+    ...params.value,
     "params": {
         "channel": 0,
         "irisCtrl": {
@@ -271,15 +282,13 @@ const aperture = async(val) => {
         }
     }
   }
-  await newPodApi(reqParams)
-  reqParams.params.irisCtrl.iris = 0
-  newPodApi(reqParams)
+  podApi(reqParams)
 }
 // 雨刷
 const wiperCtrl = ref(false)
 const wiper = () => {
   const reqParams = {
-    "session": Number(newPodSession),
+    "session": Number(newPodSession.value),
     "id": 2,
     "call": {
         "service": "ptz",
@@ -289,14 +298,14 @@ const wiper = () => {
         "wiper": wiperCtrl.value ? "on" : "off"
     }
 }
-  newPodApi(reqParams)
+  podApi(reqParams)
 }
 // 镜头初始化
 const initialization = ref(false)
 const lensInitialization = async() => {
  initialization.value = true
   const reqParams = {
-    "session": Number(newPodSession),
+    "session": Number(newPodSession.value),
     "id": 2,
     "call": {
         "service": "ptz",
@@ -306,13 +315,37 @@ const lensInitialization = async() => {
         "channel": 0
     }
 }
- await newPodApi(reqParams)
+ await podApi(reqParams)
  initialization.value = false
 }
+const podApi = async (reqParams) => { 
+  const res = await newPodApi(reqParams)
+  if(res.error && !res.result){
+    console.error('设备session失效，即将刷新请求')
+    await podLogout()
+    await loadPod()
+    newPodApi(reqParams)
+  }
+}
 // 返回首页
-const goBack = () => {
+const goBack = async() => {
+  await podLogout()
   router.push('/home')
 }
+const podLogout = async () => { 
+  const params = {
+    "session": Number(newPodSession.value),
+    "id": 2,
+    "call": {
+        "service": "rpc",
+        "method": "logout"
+    }
+  }
+  // 退出后台吊舱登录
+  await newPodApi(params)
+  localStorage.removeItem('newPodSession')
+  stopKeepAlive()
+}
 
 const playerRefs = ref([])
 const recordingStates = ref({})
@@ -380,6 +413,23 @@ const handleRecordStatus = (index, status) => {
   recordingStates.value[index] = status
 }
 
+// 放大弹窗
+const enlargedIndex = ref(null)
+const enlargeVisible = ref(false)
+const enlargeTitle = computed(() => {
+  if (enlargedIndex.value !== null && deviceInfos.value.cameras) {
+    return deviceInfos.value.cameras[enlargedIndex.value]?.cameraLocation || '视频放大'
+  }
+  return '视频放大'
+})
+const openEnlarge = (index) => {
+  enlargedIndex.value = index
+  enlargeVisible.value = true
+}
+const handleEnlargeClosed = () => {
+  enlargedIndex.value = null
+}
+
 // 【示例】上传图片到后端
 const uploadImageToServer = async (blob, index) => {
   const formData = new FormData()
@@ -394,12 +444,58 @@ const uploadImageToServer = async (blob, index) => {
     ElMessage.error('截图上传失败')
   }
 }
-
+const generateRandomString = (length = 6) => {
+   // 定义字符集：数字 + 大写字母 (去除了易混淆的 I, O 等，可根据需求调整)
+  const chars = '23456789ABCDEFGHJKLMNPQRSTUVWXYZ';
+  
+  let result = '';
+  const charsLength = chars.length;
+  
+  for (let i = 0; i < length; i++) {
+    const randomIndex = Math.floor(Math.random() * charsLength);
+    result += chars[randomIndex];
+  }
+  
+  return result;
+}
+const loadPod = async() => { 
+  // 登录后台吊舱管理
+  const random = generateRandomString()
+  const podLogin = await newPodApi({
+    "session": 0,
+    "id": 2,
+    "call": {
+        "service": "rpc",
+        "method": "login"
+    },
+    "params": {
+        "userName": "admin",
+        "password": sha256(sha256('abcd1234') + random),
+        "random": random,
+        "ip": "127.0.0.1",
+        "port": 80,
+        "encryptType": 1
+    }
+  })
+  newPodSession.value = podLogin.params.session
+  params.value = {
+    "session": Number(newPodSession.value),
+    "id": 2,
+    "call": {
+        "service": "ptz",
+        "method": "setPTZCmd"
+    },
+  }
+  localStorage.setItem('newPodSession', podLogin.params.session)
+  startKeepAlive()
+}
 onMounted(() => {
+  loadPod()
   podInfo()
 })
 
 onBeforeUnmount(() => {
+  podLogout()
 })
 </script>
 
@@ -640,4 +736,21 @@ onBeforeUnmount(() => {
     object-fit: contain;
   }
 }
+
+:deep(.el-dialog.is-fullscreen) {
+  .el-dialog__body {
+    padding: 0;
+    height: calc(100% - 56px);
+    background: #000;
+  }
+}
+
+.enlarge-video-body {
+  width: 100%;
+  height: 100%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: #000;
+}
 </style>
diff --git a/src/views/face-recognition/components/CameraGrid.vue b/src/views/face-recognition/components/CameraGrid.vue
index 73e3cc7..71ae4b0 100644
--- a/src/views/face-recognition/components/CameraGrid.vue
+++ b/src/views/face-recognition/components/CameraGrid.vue
@@ -44,14 +44,14 @@
         <canvas ref="faceCanvasRef" class="face-canvas"></canvas>
       </div>
     </div>
-    <div class="camera-card">
+    <!-- <div class="camera-card">
       <div class="camera-header">
         <span class="camera-title"></span>
       </div>
       <div class="camera-video" style="color: white; display: flex; align-items: center; justify-content: center;">
          <span>暂无画面</span>
       </div>
-    </div>
+    </div> -->
   </div>
 </template>
 
diff --git a/src/views/home/index.vue b/src/views/home/index.vue
index bd6d80f..1c5bebb 100644
--- a/src/views/home/index.vue
+++ b/src/views/home/index.vue
@@ -129,7 +129,6 @@ const loading = ref(false)
 const showAddDialog = ref(false)
 const editData = ref(null)
 const isEdit = ref(false)
-
 // 查看详情
 const viewDetail = (item) => {
   router.push({
diff --git a/src/views/login/index.vue b/src/views/login/index.vue
index 04c908f..d05f0d9 100644
--- a/src/views/login/index.vue
+++ b/src/views/login/index.vue
@@ -108,8 +108,6 @@ import { useRouter, useRoute } from 'vue-router'
 import { ElMessage } from 'element-plus'
 import { useUserStore } from '@/stores/user'
 import { newPodApi } from '@/api/user'
-import md5 from 'js-md5'
-import sha256 from 'js-sha256'
 import AuthLogo from '@/components/AuthLogo.vue'
 import AuthBackground from '@/components/AuthBackground.vue'
 
@@ -175,20 +173,6 @@ const loginRules = {
     { required: true, message: '请输入密码', trigger: 'blur' }
   ]
 }
-const generateRandomString = (length = 6) => {
-   // 定义字符集：数字 + 大写字母 (去除了易混淆的 I, O 等，可根据需求调整)
-  const chars = '23456789ABCDEFGHJKLMNPQRSTUVWXYZ';
-  
-  let result = '';
-  const charsLength = chars.length;
-  
-  for (let i = 0; i < length; i++) {
-    const randomIndex = Math.floor(Math.random() * charsLength);
-    result += chars[randomIndex];
-  }
-  
-  return result;
-}
 const handleLogin = async () => {
   if (!loginFormRef.value) return
   
@@ -198,25 +182,6 @@ const handleLogin = async () => {
       try {
         const res = await userStore.login(loginForm)
         if (res.success) {
-          // 登录后台吊舱管理
-          const random = generateRandomString()
-          const podLogin = await newPodApi({
-            "session": 0,
-            "id": 2,
-            "call": {
-                "service": "rpc",
-                "method": "login"
-            },
-            "params": {
-                "userName": "admin",
-                "password": sha256(sha256('abcd1234') + random),
-                "random": random,
-                "ip": "127.0.0.1",
-                "port": 80,
-                "encryptType": 1
-            }
-          })
-          localStorage.setItem('newPodSession', podLogin.params.session)
           // 处理记住密码
           if (rememberMe.value) {
             saveCredentials()