diff --git a/src/api/api-models.ts b/src/api/api-models.ts
index 2049c2a..cb0bb2f 100644
--- a/src/api/api-models.ts
+++ b/src/api/api-models.ts
@@ -1018,4 +1018,5 @@ export interface VoteOBSData {
   optionColor: string
   roundedCorners: boolean
   displayPosition: string
+  endTime?: number
 }
diff --git a/src/client/ClientLayout.vue b/src/client/ClientLayout.vue
index 52e815b..4141618 100644
--- a/src/client/ClientLayout.vue
+++ b/src/client/ClientLayout.vue
@@ -15,7 +15,7 @@ import { RouterLink, RouterView } from 'vue-router' // 引入 Vue Router 组件
 import { ACCOUNT, GetSelfAccount, isLoadingAccount, isLoggedIn } from '@/api/account'
 
 import { useWebFetcher } from '@/store/useWebFetcher'
-import { initAll, OnClientUnmounted } from './data/initialize'
+import { initAll, OnClientUnmounted, clientInited, clientInitStage } from './data/initialize'
 import { useDanmakuWindow } from './store/useDanmakuWindow'
 // 引入子组件
 import WindowBar from './WindowBar.vue'
@@ -141,6 +141,18 @@ onMounted(() => {
 <template>
   <WindowBar />
 
+  <Transition name="fade">
+    <div
+      v-if="isLoggedIn && !clientInited"
+      class="init-overlay"
+    >
+      <div class="init-overlay-content">
+        <NSpin size="large" />
+        <div class="init-stage">{{ clientInitStage || '初始化中...' }}</div>
+      </div>
+    </div>
+  </Transition>
+
   <div
     v-if="!isLoggedIn"
     class="login-container"
@@ -273,12 +285,12 @@ onMounted(() => {
     >
       <div style="padding: 12px; padding-right: 15px;">
         <RouterView v-slot="{ Component }">
-          <Transition
-            name="fade-slide"
-            mode="out-in"
-            :appear="true"
-          >
-            <KeepAlive>
+          <KeepAlive>
+            <Transition
+              name="fade-slide"
+              mode="out-in"
+              :appear="true"
+            >
               <Suspense>
                 <component :is="Component" />
                 <template #fallback>
@@ -287,8 +299,8 @@ onMounted(() => {
                   </div>
                 </template>
               </Suspense>
-            </KeepAlive>
-          </Transition>
+            </Transition>
+          </KeepAlive>
         </RouterView>
       </div>
     </NLayoutContent>
@@ -455,4 +467,34 @@ onMounted(() => {
     opacity: 0;
     transform: translateX(20px);
   }
+
+  .init-overlay {
+    position: fixed;
+    top: 30px;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    background: var(--n-color);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    z-index: 2000;
+  }
+  .init-overlay-content {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    gap: 12px;
+  }
+  .init-stage {
+    color: #999;
+  }
+  .fade-enter-active,
+  .fade-leave-active {
+    transition: opacity 0.2s ease;
+  }
+  .fade-enter-from,
+  .fade-leave-to {
+    opacity: 0;
+  }
 </style>
diff --git a/src/client/data/initialize.ts b/src/client/data/initialize.ts
index 7c38b93..c054e24 100644
--- a/src/client/data/initialize.ts
+++ b/src/client/data/initialize.ts
@@ -14,7 +14,7 @@ import {
 import { openUrl } from '@tauri-apps/plugin-opener'
 import { relaunch } from '@tauri-apps/plugin-process'
 import { check } from '@tauri-apps/plugin-updater'
-import { h } from 'vue'
+import { h, ref } from 'vue'
 import { isLoggedIn, useAccount } from '@/api/account'
 import { CN_HOST, isDev } from '@/data/constants'
 import { useWebFetcher } from '@/store/useWebFetcher'
@@ -29,6 +29,7 @@ import { getBuvid, getRoomKey } from './utils'
 const accountInfo = useAccount()
 
 export const clientInited = ref(false)
+export const clientInitStage = ref('')
 let tray: TrayIcon
 let heartbeatTimer: number | null = null
 let updateCheckTimer: number | null = null
@@ -154,9 +155,23 @@ async function handleUpdateInstall(update: any) {
     // 显示下载进度通知
     let downloaded = 0
     let contentLength = 0
+    const progressPercentage = ref(0)
+    const progressText = ref('准备下载更新...')
     const progressNotification = window.$notification.info({
       title: '正在下载更新',
-      content: '更新下载中，请稍候...',
+      content: () =>
+        h('div', { style: 'display: flex; flex-direction: column; gap: 10px; min-width: 240px;' }, [
+          h('div', {
+            style: 'height: 6px; border-radius: 999px; background: rgba(0,0,0,0.12); overflow: hidden; backdrop-filter: blur(6px);',
+          }, [
+            h('div', {
+              style: `height: 100%; width: ${progressPercentage.value}%; background: linear-gradient(90deg, #5c7cfa, #91a7ff); transition: width 0.2s ease;`,
+            }),
+          ]),
+          h('div', {
+            style: 'font-size: 12px; color: var(--n-text-color); text-align: center;',
+          }, progressText.value),
+        ]),
       closable: false,
       duration: 0,
     })
@@ -167,17 +182,27 @@ async function handleUpdateInstall(update: any) {
         case 'Started':
           contentLength = event.data.contentLength || 0
           info(`[更新] 开始下载 ${contentLength} 字节`)
+          progressPercentage.value = 0
+          progressText.value = '正在连接下载源...'
           break
         case 'Progress': {
           downloaded += event.data.chunkLength
           const progress = contentLength > 0 ? Math.round((downloaded / contentLength) * 100) : 0
-          progressNotification.content = `下载进度: ${progress}% (${Math.round(downloaded / 1024 / 1024)}MB / ${Math.round(contentLength / 1024 / 1024)}MB)`
+          progressPercentage.value = Number.isFinite(progress) ? progress : 0
+          const downloadedMb = Math.max(downloaded / 1024 / 1024, 0)
+          const totalMb = Math.max(contentLength / 1024 / 1024, 0)
+          const formatMb = (value: number) =>
+            value >= 100 ? Math.round(value).toString() : (Math.round(value * 10) / 10).toString()
+          progressText.value = contentLength > 0
+            ? `已下载 ${formatMb(downloadedMb)}MB / ${formatMb(totalMb)}MB`
+            : '正在下载更新...'
           info(`[更新] 已下载 ${downloaded} / ${contentLength} 字节`)
           break
         }
         case 'Finished':
           info('[更新] 下载完成')
-          progressNotification.content = '下载完成，正在安装...'
+          progressPercentage.value = 100
+          progressText.value = '下载完成，正在安装...'
           break
       }
     })
@@ -217,6 +242,7 @@ export async function initAll(isOnBoot: boolean) {
   if (clientInited.value) {
     return
   }
+  clientInitStage.value = '初始化中...'
   // 初始检查更新（不阻塞初始化）
   if (!isDev) {
     void checkUpdate()
@@ -246,10 +272,13 @@ export async function initAll(isOnBoot: boolean) {
   await attachConsole()
   const settings = useSettings()
   const biliCookie = useBiliCookie()
+  clientInitStage.value = '加载设置...'
   await settings.init()
   info('[init] 已加载账户信息')
+  clientInitStage.value = '加载 Bilibili Cookie...'
   biliCookie.init()
   info('[init] 已加载bilibili cookie')
+  clientInitStage.value = '初始化基础信息...'
   initInfo()
   info('[init] 开始更新数据')
 
@@ -258,6 +287,7 @@ export async function initAll(isOnBoot: boolean) {
       title: '正在初始化弹幕客户端...',
       closable: false,
     })
+    clientInitStage.value = '初始化弹幕客户端...'
     const result = await initDanmakuClient()
     danmakuInitNoticeRef.destroy()
     if (result.success) {
@@ -265,16 +295,26 @@ export async function initAll(isOnBoot: boolean) {
         title: '弹幕客户端初始化完成',
         duration: 3000,
       })
+      clientInitStage.value = '弹幕客户端初始化完成'
     } else {
       window.$notification.error({
         title: `弹幕客户端初始化失败: ${result.message}`,
       })
+      clientInitStage.value = '弹幕客户端初始化失败'
     }
   }
   info('[init] 已加载弹幕客户端')
   // 初始化系统托盘图标和菜单
+  clientInitStage.value = '创建系统托盘...'
   const menu = await Menu.new({
     items: [
+      {
+        id: 'open-devtools',
+        text: '打开调试控制台',
+        action: () => {
+          void invoke('open_dev_tools')
+        },
+      },
       {
         id: 'quit',
         text: '退出',
@@ -299,6 +339,7 @@ export async function initAll(isOnBoot: boolean) {
     },
   }
   tray = await TrayIcon.new(options)
+  clientInitStage.value = '系统托盘就绪'
 
   appWindow.setMinSize(new PhysicalSize(720, 480))
 
@@ -319,15 +360,14 @@ export async function initAll(isOnBoot: boolean) {
     }
   })
 
-  // 监听f12事件
-  if (!isDev) {
-    window.addEventListener('keydown', (event) => {
-      if (event.key === 'F12') {
-        event.preventDefault()
-        event.stopPropagation()
-      }
-    })
-  }
+  window.addEventListener('keydown', (event) => {
+    if (event.key === 'F12') {
+      void invoke('open_dev_tools')
+    }
+    if ((event.ctrlKey || event.metaKey) && event.shiftKey && (event.key === 'I' || event.key === 'i')) {
+      void invoke('open_dev_tools')
+    }
+  })
 
   useAutoAction().init()
   useBiliFunction().init()
@@ -340,6 +380,7 @@ export async function initAll(isOnBoot: boolean) {
   }
 
   clientInited.value = true
+  clientInitStage.value = '启动完成'
 }
 export function OnClientUnmounted() {
   if (clientInited.value) {
diff --git a/src/components.d.ts b/src/components.d.ts
index 7ccd2f9..36d64ee 100644
--- a/src/components.d.ts
+++ b/src/components.d.ts
@@ -18,14 +18,14 @@ declare module 'vue' {
     LabelItem: typeof import('./components/LabelItem.vue')['default']
     LiveInfoContainer: typeof import('./components/LiveInfoContainer.vue')['default']
     MonacoEditorComponent: typeof import('./components/MonacoEditorComponent.vue')['default']
-    NAlert: typeof import('naive-ui')['NAlert']
-    NEllipsis: typeof import('naive-ui')['NEllipsis']
-    NEmpty: typeof import('naive-ui')['NEmpty']
+    NAvatar: typeof import('naive-ui')['NAvatar']
+    NButton: typeof import('naive-ui')['NButton']
+    NCard: typeof import('naive-ui')['NCard']
     NFlex: typeof import('naive-ui')['NFlex']
-    NFormItemGi: typeof import('naive-ui')['NFormItemGi']
-    NGridItem: typeof import('naive-ui')['NGridItem']
     NIcon: typeof import('naive-ui')['NIcon']
-    NScrollbar: typeof import('naive-ui')['NScrollbar']
+    NImage: typeof import('naive-ui')['NImage']
+    NPopconfirm: typeof import('naive-ui')['NPopconfirm']
+    NSpace: typeof import('naive-ui')['NSpace']
     NTag: typeof import('naive-ui')['NTag']
     NText: typeof import('naive-ui')['NText']
     PointGoodsItem: typeof import('./components/manage/PointGoodsItem.vue')['default']
diff --git a/src/views/manage/HistoryView.vue b/src/views/manage/HistoryView.vue
index 1fd1897..33f9f0e 100644
--- a/src/views/manage/HistoryView.vue
+++ b/src/views/manage/HistoryView.vue
@@ -19,6 +19,7 @@ import VChart from 'vue-echarts'
 import { useAccount } from '@/api/account'
 import { QueryGetAPI } from '@/api/query'
 import { HISTORY_API_URL } from '@/data/constants'
+import { GuidUtils } from '@/Utils'
 
 // 初始化ECharts组件
 use([
@@ -133,6 +134,9 @@ const guardColumns: DataTableColumns<GuardMemberModel> = [
     ellipsis: {
       tooltip: true,
     },
+    render: (row) => {
+      return h('span', { style: { fontWeight: 'bold' } }, GuidUtils.isGuidFromUserId(row.guardOUId) ? GuidUtils.guidToLong(row.guardOUId) : row.guardOUId)
+    },
   },
   {
     title: '用户名',
diff --git a/src/views/obs/DanmakuVoteOBS.vue b/src/views/obs/DanmakuVoteOBS.vue
index 659be88..849ff3a 100644
--- a/src/views/obs/DanmakuVoteOBS.vue
+++ b/src/views/obs/DanmakuVoteOBS.vue
@@ -20,6 +20,22 @@ const voteData = ref<VoteOBSData | null>(null)
 const fetchIntervalId = ref<number | null>(null)
 const config = ref<VoteConfig | null>(null)
 const isLoading = ref(true)
+const nowMs = ref<number>(Date.now())
+const tickIntervalId = ref<number | null>(null)
+
+const timeLeftMs = computed(() => {
+  if (!voteData.value?.endTime) return null
+  const remain = voteData.value.endTime * 1000 - nowMs.value
+  return Math.max(0, remain)
+})
+
+function formatRemain(ms: number | null | undefined) {
+  if (ms == null) return ''
+  const total = Math.floor(ms / 1000)
+  const mm = Math.floor(total / 60).toString().padStart(2, '0')
+  const ss = (total % 60).toString().padStart(2, '0')
+  return `${mm}:${ss}`
+}
 
 // 可见性检测
 const isVisible = computed(() => props.visible !== false)
@@ -33,12 +49,14 @@ async function fetchVoteData() {
 
     const result = await QueryGetAPI<VoteOBSData>(`${VOTE_API_URL}obs-data`, { user: userId })
 
-    if (result.code === 0 && result.data) {
+    if (result.code === 200 && result.data) {
       voteData.value = result.data
-      // 更新每个选项的百分比
-      if (voteData.value && voteData.value.options && voteData.value.totalVotes > 0) {
+      // 更新每个选项的百分比（若后端未提供）
+      if (voteData.value && voteData.value.options) {
         voteData.value.options.forEach((option) => {
-          option.percentage = calculatePercentage(option.count, voteData.value!.totalVotes)
+          if (option.percentage == null && voteData.value!.totalVotes > 0) {
+            option.percentage = calculatePercentage(option.count, voteData.value!.totalVotes)
+          }
         })
       }
     } else if (voteData.value && !result.data) {
@@ -82,7 +100,7 @@ async function fetchVoteConfig() {
 
     const result = await QueryGetAPI<VoteConfig>(`${VOTE_API_URL}get-config`, { user: userId })
 
-    if (result.code === 0 && result.data) {
+    if (result.code === 200 && result.data) {
       config.value = result.data
     }
   } catch (error) {
@@ -133,12 +151,19 @@ onMounted(async () => {
   // 获取投票配置和投票数据
   await fetchVoteConfig()
   setupPolling()
+  // 本地计时器用于倒计时显示
+  tickIntervalId.value = setInterval(() => {
+    nowMs.value = Date.now()
+  }, 1000)
 
   onUnmounted(() => {
     client.dispose()
     if (fetchIntervalId.value) {
       clearInterval(fetchIntervalId.value)
     }
+    if (tickIntervalId.value) {
+      clearInterval(tickIntervalId.value)
+    }
   })
 })
 </script>
@@ -163,6 +188,7 @@ onMounted(async () => {
       <div class="vote-header">
         <div class="vote-title">
           {{ voteData.title }}
+          <span v-if="timeLeftMs !== null" class="vote-timer">剩余 {{ formatRemain(timeLeftMs) }}</span>
         </div>
       </div>
 
diff --git a/src/views/open_live/DanmakuVote.vue b/src/views/open_live/DanmakuVote.vue
index 74e3cf2..ce4a279 100644
--- a/src/views/open_live/DanmakuVote.vue
+++ b/src/views/open_live/DanmakuVote.vue
@@ -30,7 +30,7 @@ import {
   NThing,
   useMessage,
 } from 'naive-ui'
-import { onMounted, onUnmounted, ref, watch } from 'vue'
+import { computed, onMounted, onUnmounted, ref, watch } from 'vue'
 import { useRoute } from 'vue-router'
 import { clearInterval, setInterval } from 'worker-timers'
 import { useAccount } from '@/api/account'
@@ -80,6 +80,21 @@ const isLoading = ref(false)
 const showSettingsModal = ref(false)
 const voteHistoryTab = ref<ResponseVoteSession[]>([])
 
+const nowMs = ref<number>(Date.now())
+const timeLeftMs = computed(() => {
+  if (!currentVote.value?.endTime) return null
+  const remain = currentVote.value.endTime * 1000 - nowMs.value
+  return Math.max(0, remain)
+})
+
+function formatRemain(ms: number | null | undefined) {
+  if (ms == null) return '--:--'
+  const total = Math.floor(ms / 1000)
+  const mm = Math.floor(total / 60).toString().padStart(2, '0')
+  const ss = (total % 60).toString().padStart(2, '0')
+  return `${mm}:${ss}`
+}
+
 // 创建投票相关
 const newVoteTitle = ref('')
 const newVoteOptions = ref<string[]>(['', ''])
@@ -102,7 +117,7 @@ async function fetchVoteConfig() {
     isLoading.value = true
     const result = await QueryGetAPI<VoteConfig>(`${VOTE_API_URL}get-config`)
 
-    if (result.code === 0 && result.data) {
+    if (result.code === 200 && result.data) {
       voteConfig.value = result.data
     }
   } catch (error) {
@@ -138,7 +153,7 @@ async function fetchActiveVote() {
   try {
     const result = await QueryGetAPI<ResponseVoteSession>(`${VOTE_API_URL}get-active`)
 
-    if (result.code === 0) {
+    if (result.code === 200) {
       currentVote.value = result.data
     }
   } catch (error) {
@@ -151,7 +166,7 @@ async function fetchVoteHistory() {
   try {
     const result = await QueryGetAPI<ResponseVoteSession[]>(`${VOTE_API_URL}history`, { limit: 10, offset: 0 })
 
-    if (result.code === 0) {
+    if (result.code === 200) {
       voteHistoryTab.value = result.data
     }
   } catch (error) {
@@ -273,7 +288,7 @@ async function fetchVoteHash(): Promise<string | null> {
   try {
     const result = await QueryGetAPI<string>(`${VOTE_API_URL}get-hash`)
 
-    if (result.code === 0 && result.data) {
+    if (result.code === 200 && result.data) {
       return result.data
     }
     return null
@@ -300,6 +315,24 @@ function loadTemplate(template: { title: string, options: string[] }) {
   }
 }
 
+// 导入默认选项
+function importDefaultOptions() {
+  const opts = voteConfig.value.defaultOptions || []
+  newVoteOptions.value = [...opts]
+  while (newVoteOptions.value.length < 2) {
+    newVoteOptions.value.push('')
+  }
+}
+
+// 从历史复刻
+function reuseVote(vote: ResponseVoteSession) {
+  newVoteTitle.value = vote.title
+  newVoteOptions.value = vote.options.map(o => o.text)
+  while (newVoteOptions.value.length < 2) {
+    newVoteOptions.value.push('')
+  }
+}
+
 // 初始化和轮询
 onMounted(async () => {
   // 初始化弹幕客户端
@@ -317,8 +350,13 @@ onMounted(async () => {
     await fetchActiveVote()
   }, 5000)
 
+  const tickInterval = setInterval(() => {
+    nowMs.value = Date.now()
+  }, 1000)
+
   onUnmounted(() => {
     clearInterval(pollInterval)
+    clearInterval(tickInterval)
     client.dispose()
   })
 })
@@ -423,12 +461,17 @@ function deleteTemplate(index: number) {
             >
               <NSpace vertical>
                 <NSpace justify="space-between">
-                  <NText
-                    strong
-                    style="font-size: 1.2em"
-                  >
-                    {{ currentVote.title }}
-                  </NText>
+                  <NSpace>
+                    <NText
+                      strong
+                      style="font-size: 1.2em"
+                    >
+                      {{ currentVote.title }}
+                    </NText>
+                    <NTag v-if="timeLeftMs !== null" type="warning">
+                      剩余: {{ formatRemain(timeLeftMs) }}
+                    </NTag>
+                  </NSpace>
                   <NButton
                     type="warning"
                     @click="endVote"
@@ -506,6 +549,9 @@ function deleteTemplate(index: number) {
                   </template>
                   添加选项
                 </NButton>
+                <NButton secondary @click="importDefaultOptions">
+                  导入默认选项
+                </NButton>
               </NSpace>
 
               <NSpace>
@@ -630,13 +676,22 @@ function deleteTemplate(index: number) {
               </NSpace>
             </template>
             <template #action>
-              <NButton
-                size="small"
-                type="error"
-                @click="deleteVote(vote.id)"
-              >
-                删除
-              </NButton>
+              <NSpace>
+                <NButton
+                  size="small"
+                  type="primary"
+                  @click="reuseVote(vote)"
+                >
+                  复刻
+                </NButton>
+                <NButton
+                  size="small"
+                  type="error"
+                  @click="deleteVote(vote.id)"
+                >
+                  删除
+                </NButton>
+              </NSpace>
             </template>
           </NThing>
         </NListItem>