diff --git a/src/components/HostListDialog.vue b/src/components/HostListDialog.vue
index ab38215..f9aa28d 100644
--- a/src/components/HostListDialog.vue
+++ b/src/components/HostListDialog.vue
@@ -111,12 +111,23 @@
                             </div>
                         </div>
 
-                        <!-- 接收上限 - 紧凑布局 -->
+                        <!-- 上下限模式 -->
+                        <label class="flex items-center gap-2 border-l border-gray-200 pl-4 ml-2 cursor-pointer">
+                            <input type="checkbox" v-model="gateEnabled" class="w-4 h-4" />
+                            <span class="text-gray-700 font-medium whitespace-nowrap">上下限模式</span>
+                        </label>
+
+                        <!-- 接收上下限 - 紧凑布局 -->
                         <div class="flex items-center gap-2 border-l border-gray-200 pl-4 ml-2">
                             <span class="text-gray-700 font-medium whitespace-nowrap">接收上限</span>
                             <input type="number" min="0" placeholder="无限制" v-model.number="maxCount"
                                 @change="updateMaxCount(maxCount)"
                                 class="w-20 px-2 py-1 border border-gray-300 rounded text-sm focus:border-blue-500 focus:outline-none" />
+                            <template v-if="gateEnabled">
+                                <span class="text-gray-700 font-medium whitespace-nowrap">主播下限</span>
+                                <input type="number" min="0" placeholder="5" v-model.number="minCount"
+                                    class="w-20 px-2 py-1 border border-gray-300 rounded text-sm focus:border-blue-500 focus:outline-none" />
+                            </template>
                         </div>
                     </div>
                 </div>
@@ -255,14 +266,21 @@
 </template>
 
 <script setup>
-import { ref, computed, watch, onMounted } from 'vue'
+import { ref, computed, watch, onMounted, onUnmounted } from 'vue'
 import { isElectron } from '../utils/electronBridge'
 import { getPermissions } from '@/utils/storage'
+import { usePythonBridge } from '@/utils/pythonBridge'
 
 const props = defineProps({
     visible: { type: Boolean, required: true }
 })
 const emit = defineEmits(['close', 'save'])
+const { controlCheckTask } = usePythonBridge()
+
+const HOST_LIST_MIN_COUNT_KEY = 'host_list_dialog_min_count'
+const HOST_LIST_GATE_ENABLED_KEY = 'host_list_dialog_gate_enabled'
+const HOST_LIST_GATE_STATE_KEY = 'host_list_dialog_gate_state'
+const HOST_LIST_MONITOR_INTERVAL_MS = 30000
 
 // Level Options
 const LEVEL_OPTIONS = [
@@ -315,9 +333,13 @@ const filters = ref({
     minOnlineFans: '',
     maxOnlineFans: '',
 })
+const gateEnabled = ref(false)
+const minCount = ref(5)
 const maxCount = ref()
+const checkTaskGateState = ref(null)
 const selectedLevels = ref(new Set())
 const showLevelDropdown = ref(false)
+let hostListMonitorTimer = null
 
 const resolveRestrictedMaxAnchorCount = (fallbackValue = 9999999) => {
     const permissions = getPermissions()
@@ -379,6 +401,7 @@ const parsedIds = computed(() => {
 watch(() => props.visible, (newVal) => {
     if (newVal) {
         document.body.style.overflow = 'hidden'
+        loadLocalGateConfig()
         loadHosts()
         loadConfig()
     } else {
@@ -387,11 +410,19 @@ watch(() => props.visible, (newVal) => {
 })
 
 onMounted(() => {
+    loadLocalGateConfig()
+    loadConfig()
+
     if (props.visible) {
         document.body.style.overflow = 'hidden'
         loadHosts()
-        loadConfig()
     }
+
+    startHostListMonitor()
+})
+
+onUnmounted(() => {
+    stopHostListMonitor()
 })
 
 // 监听过滤器变化，同步到后端配置
@@ -460,6 +491,117 @@ const loadConfig = async () => {
     }
 }
 
+const startHostListMonitor = () => {
+    stopHostListMonitor()
+
+    if (!isElectron()) return
+
+    hostListMonitorTimer = setInterval(async () => {
+        if (!gateEnabled.value) return
+        await loadHosts()
+    }, HOST_LIST_MONITOR_INTERVAL_MS)
+}
+
+const stopHostListMonitor = () => {
+    if (!hostListMonitorTimer) return
+    clearInterval(hostListMonitorTimer)
+    hostListMonitorTimer = null
+}
+
+const loadLocalGateConfig = () => {
+    try {
+        const savedGateEnabled = localStorage.getItem(HOST_LIST_GATE_ENABLED_KEY)
+        gateEnabled.value = savedGateEnabled === 'true'
+
+        const savedMinCount = localStorage.getItem(HOST_LIST_MIN_COUNT_KEY)
+        if (savedMinCount !== null && savedMinCount !== '') {
+            const parsedMinCount = Number(savedMinCount)
+            if (Number.isFinite(parsedMinCount) && parsedMinCount >= 0) {
+                minCount.value = parsedMinCount
+            }
+        }
+
+        const savedGateState = localStorage.getItem(HOST_LIST_GATE_STATE_KEY)
+        if (savedGateState === 'true') {
+            checkTaskGateState.value = true
+        } else if (savedGateState === 'false') {
+            checkTaskGateState.value = false
+        }
+    } catch (e) {
+        console.error('[HostListDialog] 读取本地门控配置失败:', e)
+    }
+}
+
+const persistGateEnabled = () => {
+    try {
+        localStorage.setItem(HOST_LIST_GATE_ENABLED_KEY, String(gateEnabled.value))
+    } catch (e) {
+        console.error('[HostListDialog] 保存上下限模式失败:', e)
+    }
+}
+
+const persistMinCount = () => {
+    try {
+        if (minCount.value === '' || minCount.value === null || minCount.value === undefined) {
+            localStorage.removeItem(HOST_LIST_MIN_COUNT_KEY)
+            return
+        }
+
+        localStorage.setItem(HOST_LIST_MIN_COUNT_KEY, String(minCount.value))
+    } catch (e) {
+        console.error('[HostListDialog] 保存主播下限失败:', e)
+    }
+}
+
+const persistGateState = (value) => {
+    try {
+        if (value === null || value === undefined) {
+            localStorage.removeItem(HOST_LIST_GATE_STATE_KEY)
+            return
+        }
+
+        localStorage.setItem(HOST_LIST_GATE_STATE_KEY, String(value))
+    } catch (e) {
+        console.error('[HostListDialog] 保存门控状态失败:', e)
+    }
+}
+
+const syncControlCheckTaskGate = async (forceSync = false) => {
+    if (!isElectron()) return
+    if (!gateEnabled.value) return
+
+    const hostCount = filteredHosts.value.length
+    const upperLimit = Number(maxCount.value)
+    const lowerLimit = Number(minCount.value)
+
+    let nextState = null
+
+    if (Number.isFinite(upperLimit) && upperLimit >= 0 && hostCount > upperLimit) {
+        nextState = false
+    } else if (Number.isFinite(lowerLimit) && lowerLimit >= 0 && hostCount < lowerLimit) {
+        nextState = true
+    } else if (forceSync && checkTaskGateState.value !== null) {
+        nextState = checkTaskGateState.value
+    }
+
+    if (nextState === null) return
+    if (!forceSync && checkTaskGateState.value === nextState) return
+
+    try {
+        const result = await controlCheckTask(nextState, true)
+        if (result?.success === false) {
+            console.error('[HostListDialog] controlCheckTask 调用失败:', result.error)
+            return
+        }
+
+        checkTaskGateState.value = nextState
+        persistGateState(nextState)
+        console.log('[HostListDialog] 主播库门控状态已更新:', nextState, '当前数量:', hostCount)
+    } catch (e) {
+        console.error('[HostListDialog] controlCheckTask 异常:', e)
+    }
+}
+
 // Helpers
 const getAllChildLevels = (parentValue) => {
     const parent = LEVEL_OPTIONS.find(p => p.value === parentValue)
@@ -548,6 +690,33 @@ const updateMaxCount = async (value) => {
     }
 }
 
+watch(minCount, () => {
+    persistMinCount()
+})
+
+watch(gateEnabled, async (enabled) => {
+    persistGateEnabled()
+
+    if (enabled) {
+        void syncControlCheckTaskGate(true)
+        return
+    }
+
+    checkTaskGateState.value = null
+    persistGateState(null)
+
+    if (!isElectron()) return
+
+    try {
+        const result = await controlCheckTask(true, false)
+        if (result?.success === false) {
+            console.error('[HostListDialog] 关闭上下限模式时恢复放行失败:', result.error)
+        }
+    } catch (e) {
+        console.error('[HostListDialog] 关闭上下限模式时恢复放行异常:', e)
+    }
+})
+
 const filteredHosts = computed(() => {
     return hosts.value.filter(h => {
         if (!filters.value.gold && h.invitationType === 2) return false
@@ -565,6 +734,13 @@ const filteredHosts = computed(() => {
     })
 })
 
+watch(
+    [() => filteredHosts.value.length, minCount, maxCount, gateEnabled],
+    () => {
+        void syncControlCheckTaskGate()
+    }
+)
+
 const selectedCount = computed(() => selected.value.size)
 
 const toggleSelect = (id) => {
diff --git a/src/types/electron.d.ts b/src/types/electron.d.ts
index 8e458bf..ce08e81 100644
--- a/src/types/electron.d.ts
+++ b/src/types/electron.d.ts
@@ -205,6 +205,7 @@ export interface ElectronAPI {
         visitAnchor: (id: string) => Promise<void>
         exportData: (data: string) => Promise<void>
         controlTask: (data: string) => Promise<{ success: boolean; message?: string; error?: string }>
+        controlCheckTask: (payload: { isRunning: boolean; model: boolean }) => Promise<{ success: boolean; message?: string; error?: string }>
         getBrotherInfo: () => Promise<string>
         queryBrotherInfo: (data: string) => Promise<string>
         getAllBrotherInfo: () => Promise<string>
diff --git a/src/utils/pythonBridge.js b/src/utils/pythonBridge.js
index 37c4289..96dc1c6 100644
--- a/src/utils/pythonBridge.js
+++ b/src/utils/pythonBridge.js
@@ -106,6 +106,14 @@ export function usePythonBridge() {
         await window.electronAPI.tk.controlTask(data);
     };
 
+    const controlCheckTask = async (isRunning, model) => {
+        if (!inElectron) return { success: false, error: 'Not in Electron' };
+        return await window.electronAPI.tk.controlCheckTask({
+            isRunning: Boolean(isRunning),
+            model: Boolean(model)
+        });
+    };
+
     const getBrotherInfo = async () => {
         if (!inElectron) return { total: 0, valid: 0 };
         const res = await window.electronAPI.tk.getBrotherInfo();
@@ -242,6 +250,7 @@ export function usePythonBridge() {
         getTkLoginStatus,
         // New Fan Workbench exports
         controlTask,
+        controlCheckTask,
         getBrotherInfo,
         Specifystreaming,
         storageSetInfos,