diff --git a/src/pages/ConfigPage.vue b/src/pages/ConfigPage.vue
index 6f10e22..27b3742 100644
--- a/src/pages/ConfigPage.vue
+++ b/src/pages/ConfigPage.vue
@@ -404,7 +404,7 @@ const languageList = [
     { name: '中文 (繁體)', code: 'zh-Hant-TW' },
     { name: 'Deutsch', code: 'de-DE' },
     { name: 'Italiano', code: 'it-IT' },
-    { name: 'Français', code: 'fr-FR' },
+    { name: 'Français', code: 'fr' },
     { name: 'Română', code: 'ro-RO' },
     { name: 'Polski', code: 'pl-PL' },
     { name: 'Nederlands', code: 'nl-NL' },
diff --git a/src/views/auto-dm/AutoDmTkWorkbench.vue b/src/views/auto-dm/AutoDmTkWorkbench.vue
index fdb3b0c..8278683 100644
--- a/src/views/auto-dm/AutoDmTkWorkbench.vue
+++ b/src/views/auto-dm/AutoDmTkWorkbench.vue
@@ -9,7 +9,7 @@
             </div>
             <div class="flex items-center gap-3">
               <span :class="statusChipClass">{{ statusText }}</span>
-              <button @click="handlePrepareViews" :disabled="isPreparing || !isElectronEnv"
+              <button @click="handlePrepareViews" :disabled="isPrepareButtonDisabled"
                 class="flex items-center gap-2 rounded-lg bg-gradient-to-r from-emerald-500 to-teal-500 px-4 py-2 text-sm text-white shadow-sm transition-all hover:from-emerald-600 hover:to-teal-600 disabled:cursor-not-allowed disabled:opacity-60">
                 <span>{{ isPreparing ? '预热中...' : '预热视图' }}</span>
               </button>
@@ -26,6 +26,11 @@
             先填写配置，再预热视图，登录完成后再启动脚本。
           </div>
 
+          <div v-if="isConfigLocked"
+            class="mb-6 rounded-xl border border-amber-200 bg-amber-50 px-4 py-3 text-sm leading-6 text-amber-800">
+            当前配置已锁定。停止任务成功后，才可以修改配置、重新预热并再次启动。
+          </div>
+
           <div class="grid grid-cols-3 gap-6">
             <div class="col-span-2 space-y-6">
               <section class="rounded-xl border border-gray-200 bg-gradient-to-b from-white to-gray-50 p-6 shadow-sm">
@@ -56,7 +61,7 @@
                       <div>
                         <label class="mb-1 block text-sm font-medium text-gray-700">打招呼内容</label>
                       </div>
-                      <button @click="showGreetingDialog = true" :disabled="isStarting || !isElectronEnv"
+                      <button @click="showGreetingDialog = true" :disabled="isConfigControlDisabled"
                         class="rounded-lg border border-blue-200 bg-blue-50 px-4 py-2 text-sm font-medium text-blue-600 transition-colors hover:bg-blue-100 disabled:cursor-not-allowed disabled:opacity-60">
                         打招呼内容配置
                       </button>
@@ -67,28 +72,28 @@
                       <span class="rounded-full border border-gray-200 bg-gray-100 px-3 py-1">翻译 {{
                         configForm.needTranslate ? '已开启' : '未开启' }}</span>
                       <span class="rounded-full border border-gray-200 bg-gray-100 px-3 py-1">语种 {{ languageCount
-                      }}</span>
+                        }}</span>
                     </div>
                   </div>
 
                   <div class="grid grid-cols-1 gap-4 md:grid-cols-[minmax(0,1fr),minmax(0,1fr),220px] items-end">
                     <div>
                       <label class="mb-2 block text-sm font-medium text-gray-700">分组轮换间隔（分钟）</label>
-                      <input v-model.number="configForm.groupSwitchMinutes" :disabled="isStarting || !isElectronEnv"
+                      <input v-model.number="configForm.groupSwitchMinutes" :disabled="isConfigControlDisabled"
                         type="number" min="1" step="1"
                         class="h-11 w-full rounded-lg border border-gray-300 bg-white px-4 text-sm text-gray-800 outline-none focus:border-blue-500 disabled:cursor-not-allowed disabled:opacity-60"
                         @blur="handleSwitchMinutesBlur" />
                     </div>
                     <div>
                       <label class="mb-2 block text-sm font-medium text-gray-700">每用户休眠秒数</label>
-                      <input v-model.number="configForm.postUserSleepSeconds" :disabled="isStarting || !isElectronEnv"
+                      <input v-model.number="configForm.postUserSleepSeconds" :disabled="isConfigControlDisabled"
                         type="number" min="1" step="1"
                         class="h-11 w-full rounded-lg border border-gray-300 bg-white px-4 text-sm text-gray-800 outline-none focus:border-blue-500 disabled:cursor-not-allowed disabled:opacity-60"
                         @blur="handlePostUserSleepBlur" />
                     </div>
-                    <label
+                    <label v-if="!isBrotherInfoMode"
                       class="flex h-11 items-center gap-3 rounded-lg border border-gray-200 bg-gray-50 px-4 py-3 text-sm text-gray-700">
-                      <input v-model="configForm.replyUnreadMessages" :disabled="isStarting || !isElectronEnv"
+                      <input v-model="configForm.replyUnreadMessages" :disabled="isConfigControlDisabled"
                         type="checkbox" class="h-4 w-4 rounded border-gray-300 text-blue-600 focus:ring-blue-500" />
                       <span>开启 AI 回复未读消息</span>
                     </label>
@@ -106,27 +111,27 @@
                     <div class="grid grid-cols-2 gap-3">
                       <label class="flex items-center gap-3 rounded-lg border px-4 py-3 text-sm transition-colors"
                         :class="configForm.dataPoolSource === 'anchor_hosts' ? 'border-blue-500 bg-blue-50 text-blue-700' : 'border-gray-200 bg-gray-50 text-gray-700'">
-                        <input v-model="configForm.dataPoolSource" :disabled="isStarting || !isElectronEnv" type="radio"
+                        <input v-model="configForm.dataPoolSource" :disabled="isConfigControlDisabled" type="radio"
                           value="anchor_hosts" class="h-4 w-4 border-gray-300 text-blue-600 focus:ring-blue-500" />
                         <span>主播池</span>
                       </label>
                       <label class="flex items-center gap-3 rounded-lg border px-4 py-3 text-sm transition-colors"
                         :class="configForm.dataPoolSource === 'brother_info' ? 'border-purple-500 bg-purple-50 text-purple-700' : 'border-gray-200 bg-gray-50 text-gray-700'">
-                        <input v-model="configForm.dataPoolSource" :disabled="isStarting || !isElectronEnv" type="radio"
+                        <input v-model="configForm.dataPoolSource" :disabled="isConfigControlDisabled" type="radio"
                           value="brother_info" class="h-4 w-4 border-gray-300 text-purple-600 focus:ring-purple-500" />
                         <span>大哥池</span>
                       </label>
                     </div>
-                    <div v-if="isBrotherInfoMode" class="mt-4">
+                    <!-- <div v-if="isBrotherInfoMode" class="mt-4">
                       <div class="mb-2 flex items-center justify-between gap-3">
                         <label class="block text-sm font-medium text-gray-700">大哥随机回复话术</label>
                         <span class="rounded-full border border-gray-200 bg-gray-100 px-3 py-1 text-xs text-gray-600">{{
                           replyMessageCount }} 条</span>
                       </div>
-                      <textarea v-model="configForm.replyMessagesText" :disabled="isStarting || !isElectronEnv" rows="5"
+                      <textarea v-model="configForm.replyMessagesText" :disabled="isConfigControlDisabled" rows="5"
                         placeholder="一行一条回复话术，启动时传给后端 replyMessages"
                         class="w-full rounded-lg border border-gray-300 bg-white px-4 py-3 text-sm text-gray-800 outline-none focus:border-purple-500 disabled:cursor-not-allowed disabled:opacity-60" />
-                    </div>
+                    </div> -->
                   </div>
                 </div>
               </section>
@@ -148,9 +153,9 @@
                         <div class="mt-1 text-xs text-gray-500">{{ groupRangeLabel(index) }}</div>
                       </div>
                       <span class="rounded-full bg-gray-100 px-2 py-1 text-[10px] text-gray-600">{{ groupViewText(count)
-                      }}</span>
+                        }}</span>
                     </div>
-                    <input v-model.number="configForm.groupViewCounts[index]" :disabled="isStarting || !isElectronEnv"
+                    <input v-model.number="configForm.groupViewCounts[index]" :disabled="isConfigControlDisabled"
                       type="number" min="0" max="3" step="1"
                       class="mt-4 h-11 w-full rounded-lg border border-gray-300 bg-gray-50 px-4 text-sm text-gray-800 outline-none focus:border-blue-500 disabled:cursor-not-allowed disabled:opacity-60"
                       @blur="handleGroupCountBlur(index)" />
@@ -169,7 +174,7 @@
                     :class="['rounded-full px-3 py-1 text-xs font-medium', aiConfigured ? 'bg-green-100 text-green-700' : 'bg-yellow-100 text-yellow-700']">{{
                       aiConfigured ? '已配置' : '未配置' }}</span>
                 </div>
-                <button @click="showAIDialog = true"
+                <button @click="showAIDialog = true" :disabled="isConfigControlDisabled"
                   class="mt-4 w-full rounded-lg border border-blue-200 bg-blue-50 px-4 py-3 text-sm font-medium text-blue-600 transition-colors hover:bg-blue-100">配置
                   / 修改 AI 人设</button>
               </section>
@@ -270,7 +275,7 @@
             {{ viewId }}</button>
           <div class="flex-1" />
           <span class="rounded border border-gray-200 bg-gray-100 px-2 py-1 text-xs text-gray-500">{{ statusText
-          }}</span>
+            }}</span>
           <span v-if="isSwitchingView"
             class="rounded border border-blue-200 bg-blue-50 px-2 py-1 text-xs text-blue-600">切换中...</span>
         </div>
@@ -313,6 +318,7 @@ const showBrotherInfoDialog = ref(false)
 const aiConfigured = ref(false)
 const loginConfirmed = ref(false)
 const preparedConfigKey = ref('')
+const workbenchPhase = ref('idle')
 const isPreparing = ref(false)
 const isStarting = ref(false)
 const isStopping = ref(false)
@@ -329,6 +335,7 @@ const greetingCount = computed(() => greetingMessages.value.length)
 const replyMessageCount = computed(() => replyMessages.value.length)
 const languageCount = computed(() => Object.keys(configForm.prologueList || {}).length)
 const isBrotherInfoMode = computed(() => configForm.dataPoolSource === 'brother_info')
+const effectiveReplyUnreadMessages = computed(() => !isBrotherInfoMode.value && Boolean(configForm.replyUnreadMessages))
 const dataPoolLabel = computed(() => (isBrotherInfoMode.value ? '大哥池' : '主播池'))
 const normalizedGroupSwitchMinutes = computed(() => clampMinutes(configForm.groupSwitchMinutes))
 const normalizedGroupViewCounts = computed(() => normalizeGroupViewCounts(configForm.groupViewCounts))
@@ -339,8 +346,11 @@ const browserViewGroups = computed(() => normalizedGroupViewCounts.value.map((en
 const viewIds = computed(() => browserViewGroups.value.flatMap(group => group.views.filter(view => view.enabled).map(view => view.viewId)))
 const totalEnabledViews = computed(() => normalizedGroupViewCounts.value.reduce((sum, count) => sum + count, 0))
 const payloadPreview = computed(() => JSON.stringify(buildStartPayload(), null, 2))
-const currentPrepareKey = computed(() => JSON.stringify({ groupViewCounts: normalizedGroupViewCounts.value, groupSwitchMinutes: normalizedGroupSwitchMinutes.value, postUserSleepSeconds: normalizedPostUserSleepSeconds.value, replyUnreadMessages: Boolean(configForm.replyUnreadMessages), dataPoolSource: configForm.dataPoolSource, replyMessages: replyMessages.value, prologueList: configForm.prologueList || {}, needTranslate: Boolean(configForm.needTranslate) }))
+const currentPrepareKey = computed(() => JSON.stringify({ groupViewCounts: normalizedGroupViewCounts.value, groupSwitchMinutes: normalizedGroupSwitchMinutes.value, postUserSleepSeconds: normalizedPostUserSleepSeconds.value, replyUnreadMessages: effectiveReplyUnreadMessages.value, dataPoolSource: configForm.dataPoolSource, replyMessages: replyMessages.value, prologueList: configForm.prologueList || {}, needTranslate: Boolean(configForm.needTranslate) }))
 const hasPreparedViews = computed(() => preparedConfigKey.value === currentPrepareKey.value)
+const isConfigLocked = computed(() => workbenchPhase.value !== 'idle')
+const isConfigControlDisabled = computed(() => !isElectronEnv || isPreparing.value || isStarting.value || isStopping.value || isConfigLocked.value)
+const isPrepareButtonDisabled = computed(() => !isElectronEnv || isPreparing.value || isStarting.value || isStopping.value || isConfigLocked.value)
 const statusChipClass = computed(() => statusText.value.includes('运行') ? 'rounded-full border border-emerald-200 bg-emerald-50 px-3 py-1 text-xs font-medium text-emerald-700' : statusText.value.includes('失败') ? 'rounded-full border border-rose-200 bg-rose-50 px-3 py-1 text-xs font-medium text-rose-700' : 'rounded-full border border-amber-200 bg-amber-50 px-3 py-1 text-xs font-medium text-amber-700')
 function clampMinutes(value) { const numericValue = Number(value); return !Number.isFinite(numericValue) || numericValue <= 0 ? 10 : Math.max(1, Math.round(numericValue)) }
 function clampPositiveSeconds(value, fallback = 6) { const numericValue = Number(value); return !Number.isFinite(numericValue) || numericValue <= 0 ? fallback : Math.max(1, Math.round(numericValue)) }
@@ -348,13 +358,32 @@ function clampGroupCount(value) { const numericValue = Number(value); return !Nu
 function normalizeGroupViewCounts(values) { const safeValues = Array.isArray(values) ? values.slice(0, 3) : []; while (safeValues.length < 3) safeValues.push(0); return safeValues.map(clampGroupCount) }
 const normalizedPostUserSleepSeconds = computed(() => clampPositiveSeconds(configForm.postUserSleepSeconds, 6))
 function buildStartPayload() {
-  const payload = { dataPoolSource: configForm.dataPoolSource, replyUnreadMessages: Boolean(configForm.replyUnreadMessages), groupSwitchMinutes: normalizedGroupSwitchMinutes.value, postUserSleepSeconds: normalizedPostUserSleepSeconds.value, groupViewCounts: normalizedGroupViewCounts.value, prologueList: JSON.parse(JSON.stringify(configForm.prologueList || {})), needTranslate: Boolean(configForm.needTranslate) }
+  const payload = { dataPoolSource: configForm.dataPoolSource, replyUnreadMessages: effectiveReplyUnreadMessages.value, groupSwitchMinutes: normalizedGroupSwitchMinutes.value, postUserSleepSeconds: normalizedPostUserSleepSeconds.value, groupViewCounts: normalizedGroupViewCounts.value, prologueList: JSON.parse(JSON.stringify(configForm.prologueList || {})), needTranslate: Boolean(configForm.needTranslate) }
   if (greetingMessages.value.length > 0) payload.greetingMessages = greetingMessages.value
   if (replyMessages.value.length > 0) payload.replyMessages = replyMessages.value
   return payload
 }
 function ensureElectronCapability(methodName) { if (!isElectronEnv || !window.electronAPI?.[methodName]) { ElMessage.error('当前环境不支持该功能'); return false } return true }
 function invalidatePreparedState(nextStatus = '配置已变更，请重新预热视图') { preparedConfigKey.value = ''; loginConfirmed.value = false; if (!statusText.value.includes('运行')) statusText.value = nextStatus }
+async function syncWorkbenchState() {
+  if (!isElectronEnv || !window.electronAPI?.getStandaloneTikTokWorkbenchState) return
+  try {
+    const state = await window.electronAPI.getStandaloneTikTokWorkbenchState()
+    workbenchPhase.value = state?.phase || 'idle'
+    if (state?.locked) {
+      preparedConfigKey.value = currentPrepareKey.value
+      if (state.phase === 'running') {
+        statusText.value = '运行中'
+      } else if (!statusText.value.includes('运行')) {
+        statusText.value = '视图已预热，当前配置已锁定'
+      }
+    } else {
+      preparedConfigKey.value = ''
+    }
+  } catch (error) {
+    console.error('sync standalone tiktok workbench state failed:', error)
+  }
+}
 async function showBrowserWorkspace(viewId, fallbackStatusText) {
   pageMode.value = 'browser'
   await window.electronAPI.switchToView(viewId)
@@ -416,6 +445,10 @@ async function saveSharedConfig() {
 }
 async function handlePrepareViews() {
   if (!ensureElectronCapability('prepareStandaloneTikTokViews')) return
+  if (isConfigLocked.value) {
+    ElMessage.warning('当前配置已锁定，请先停止任务后再修改配置或重新预热')
+    return
+  }
   if (viewIds.value.length === 0) {
     ElMessage.warning('请至少启用一个视图后再预热')
     return
@@ -426,6 +459,7 @@ async function handlePrepareViews() {
     const result = await window.electronAPI.prepareStandaloneTikTokViews({ groupViewCounts: normalizedGroupViewCounts.value, targetViewId: activeViewId.value })
     if (!result?.success) throw new Error(result?.error || 'prepare standalone tiktok views failed')
     if (result.currentViewId) activeViewId.value = result.currentViewId
+    workbenchPhase.value = 'prepared'
     preparedConfigKey.value = currentPrepareKey.value
     await saveSharedConfig()
     if (pageMode.value === 'config') {
@@ -487,6 +521,10 @@ async function handleSwitchView(viewId) {
 }
 async function handleStart() {
   if (!ensureElectronCapability('startStandaloneTikTokAutomationAll')) return
+  if (workbenchPhase.value === 'running') {
+    ElMessage.warning('当前任务已在运行中，请先停止后再重新启动')
+    return
+  }
   if (!hasPreparedViews.value) {
     ElMessage.warning('请先完成当前配置对应的视图预热，再启动脚本')
     return
@@ -509,6 +547,7 @@ async function handleStart() {
       ElMessage.error(result?.error || '启动自动私信（TK版）失败')
       return
     }
+    workbenchPhase.value = 'running'
     statusText.value = `运行中（视图 ${activeViewId.value}）`
     ElMessage.success('自动私信（TK版）已启动')
   } catch (error) {
@@ -529,9 +568,10 @@ async function handleStop() {
       ElMessage.error(result?.error || '停止自动私信（TK版）失败')
       return
     }
+    workbenchPhase.value = 'idle'
     preparedConfigKey.value = ''
     loginConfirmed.value = false
-    statusText.value = '已停止'
+    statusText.value = result?.message?.includes('取消预热状态') ? '已解锁' : '已停止'
     ElMessage.success('自动私信（TK版）已停止')
   } catch (error) {
     const message = error instanceof Error ? error.message : String(error)
@@ -546,6 +586,7 @@ watch(currentPrepareKey, (nextKey, prevKey) => {
   if (preparedConfigKey.value && preparedConfigKey.value !== nextKey) invalidatePreparedState()
 })
 watch(() => configForm.dataPoolSource, () => {
+  if (isBrotherInfoMode.value && configForm.replyUnreadMessages) configForm.replyUnreadMessages = false
   invalidatePreparedState()
   void saveSharedConfig()
 })
@@ -567,6 +608,7 @@ watch(pageMode, async (newVal) => {
 onMounted(async () => {
   await checkAIConfig()
   await loadSharedConfig()
+  await syncWorkbenchState()
   if (!isElectronEnv || !window.electronAPI?.hideViews) return
   await window.electronAPI.hideViews().catch(() => { })
 })