diff --git a/Admin.NET/Admin.NET.Core/Const/ConfigConst.cs b/Admin.NET/Admin.NET.Core/Const/ConfigConst.cs
index f69cdf9f..7fd5d753 100644
--- a/Admin.NET/Admin.NET.Core/Const/ConfigConst.cs
+++ b/Admin.NET/Admin.NET.Core/Const/ConfigConst.cs
@@ -131,6 +131,11 @@ public class ConfigConst
     /// </summary>
     public const string SysI18NSwitch = "sys_i18n_switch";
 
+    /// <summary>
+    /// 闲置超时时间
+    /// </summary>
+    public const string SysIdleTimeout = "sys_idle_timeout";
+
     /// <summary>
     /// 支付宝授权页面地址
     /// </summary>
diff --git a/Admin.NET/Admin.NET.Core/SeedData/SysConfigSeedData.cs b/Admin.NET/Admin.NET.Core/SeedData/SysConfigSeedData.cs
index 46ce8f83..85c27e6f 100644
--- a/Admin.NET/Admin.NET.Core/SeedData/SysConfigSeedData.cs
+++ b/Admin.NET/Admin.NET.Core/SeedData/SysConfigSeedData.cs
@@ -39,6 +39,7 @@ public class SysConfigSeedData : ISqlSugarEntitySeedData<SysConfig>
             new SysConfig{ Id=1300000000261, Name="密码历史记录验证", Code=ConfigConst.SysPasswordRecord, Value="False", SysFlag=YesNoEnum.Y, Remark="是否验证历史密码禁止再次使用", OrderNo=210, GroupCode=ConfigConst.SysDefaultGroup, CreateTime=DateTime.Parse("2024-12-17 00:00:00") },
             new SysConfig{ Id=1300000000271, Name="显示系统更新日志", Code=ConfigConst.SysUpgrade, Value="True", SysFlag=YesNoEnum.Y, Remark="是否显示系统更新日志", OrderNo=220, GroupCode=ConfigConst.SysDefaultGroup, CreateTime=DateTime.Parse("2024-12-20 00:00:00") },
             new SysConfig{ Id=1300000000281, Name="开启多语言切换", Code=ConfigConst.SysI18NSwitch, Value="True", SysFlag=YesNoEnum.Y, Remark="是否显示多语言切换按钮", OrderNo=230, GroupCode=ConfigConst.SysDefaultGroup, CreateTime=DateTime.Parse("2024-12-20 00:00:00") },
+            new SysConfig{ Id=1300000000282, Name="闲置超时时间", Code=ConfigConst.SysIdleTimeout, Value="0", SysFlag=YesNoEnum.Y, Remark="闲置超时时间（分钟），超时强制退出，0 表示不限制", OrderNo=240, GroupCode=ConfigConst.SysDefaultGroup, CreateTime=DateTime.Parse("2024-12-20 00:00:00") },
 
             new SysConfig{ Id=1300000000999, Name="系统版本号", Code=ConfigConst.SysVersion, Value="0", SysFlag=YesNoEnum.Y, Remark= "系统版本号，用于自动升级，请勿手动填写", OrderNo=1000, GroupCode=ConfigConst.SysDefaultGroup, CreateTime=DateTime.Parse("2025-04-10 00:00:00") },
         ];
diff --git a/Admin.NET/Admin.NET.Core/Service/Tenant/SysTenantService.cs b/Admin.NET/Admin.NET.Core/Service/Tenant/SysTenantService.cs
index eb193f98..9126cf69 100644
--- a/Admin.NET/Admin.NET.Core/Service/Tenant/SysTenantService.cs
+++ b/Admin.NET/Admin.NET.Core/Service/Tenant/SysTenantService.cs
@@ -588,6 +588,7 @@ public class SysTenantService : IDynamicApiController, ITransient
         var forceChangePassword = await _sysConfigService.GetConfigValueByCode<bool>(ConfigConst.SysForceChangePassword); // 强制修改密码
         var passwordExpirationTime = await _sysConfigService.GetConfigValueByCode<int>(ConfigConst.SysPasswordExpirationTime); // 密码有效期
         var i18NSwitch = await _sysConfigService.GetConfigValueByCode<bool>(ConfigConst.SysI18NSwitch); // 开启多语言切换
+        var idleTimeout = await _sysConfigService.GetConfigValueByCode<int>(ConfigConst.SysIdleTimeout); // 闲置超时时间
         var publicKey = App.GetConfig<string>("Cryptogram:PublicKey", true); // 获取密码加解密公钥配置
 
         return new
@@ -612,6 +613,7 @@ public class SysTenantService : IDynamicApiController, ITransient
             PublicKey = publicKey,
             CarouselFiles = carouselFiles,
             I18NSwitch = i18NSwitch,
+            IdleTimeout = idleTimeout,
         };
     }
 
diff --git a/Web/src/App.vue b/Web/src/App.vue
index 74282168..a98d3eb7 100644
--- a/Web/src/App.vue
+++ b/Web/src/App.vue
@@ -21,6 +21,7 @@ import { Local, Session } from '/@/utils/storage';
 import mittBus from '/@/utils/mitt';
 import setIntroduction from '/@/utils/setIconfont';
 // import Watermark from '/@/utils/watermark';
+import { initIdleTimeout } from './utils/idleTimeout';
 
 // 引入组件
 const LockScreen = defineAsyncComponent(() => import('/@/layout/lockScreen/index.vue'));
@@ -102,6 +103,11 @@ document.body.ondrop = function (event) {
 	event.preventDefault();
 	event.stopPropagation();
 };
+
+// 初始化全局空闲超时
+initIdleTimeout({
+	timeout: themeConfig.value.idleTimeout,
+});
 </script>
 
 <style lang="scss">
diff --git a/Web/src/i18n/pages/systemMenu/zh-CN.ts b/Web/src/i18n/pages/systemMenu/zh-CN.ts
index cf68d130..6b3ec685 100644
--- a/Web/src/i18n/pages/systemMenu/zh-CN.ts
+++ b/Web/src/i18n/pages/systemMenu/zh-CN.ts
@@ -353,5 +353,7 @@ export default {
 		confirmCopyRole: '确定复制角色：【{roleName}】?',
 		authAccount: '授权账号',
 		successCopy: '复制成功',
+		sysMessage: '系统消息',
+		idleTimeoutMessage: '长时间未操作，已退出系统',
 	}
 };
diff --git a/Web/src/stores/themeConfig.ts b/Web/src/stores/themeConfig.ts
index 12e26376..d43b28e9 100644
--- a/Web/src/stores/themeConfig.ts
+++ b/Web/src/stores/themeConfig.ts
@@ -154,6 +154,8 @@ export const useThemeConfig = defineStore('themeConfig', {
 			icpUrl: 'https://beian.miit.gov.cn',
 			// 是否开启多语言切换
 			i18NSwitch: true,
+			// 闲置超时时间
+			idleTimeout: 0,
 		},
 	}),
 	actions: {
diff --git a/Web/src/types/pinia.d.ts b/Web/src/types/pinia.d.ts
index 5c71cd39..7525bb68 100644
--- a/Web/src/types/pinia.d.ts
+++ b/Web/src/types/pinia.d.ts
@@ -105,5 +105,6 @@ declare interface ThemeConfigState {
 		forceChangePassword?: boolean; // 是否开启强制修改密码
 		passwordExpirationTime?: number; // 是否验证密码有效期
 		i18NSwitch: boolean; // 是否开启多语言切换
+		idleTimeout: number; // 闲置超时时间
 	};
 }
diff --git a/Web/src/utils/idleTimeout.ts b/Web/src/utils/idleTimeout.ts
new file mode 100644
index 00000000..4c9a81ca
--- /dev/null
+++ b/Web/src/utils/idleTimeout.ts
@@ -0,0 +1,165 @@
+import { debounce } from 'lodash-es';
+import { Local, Session } from '/@/utils/storage';
+import { signalR } from '/@/views/system/onlineUser/signalR';
+import { ElMessageBox } from 'element-plus';
+import { accessTokenKey, refreshAccessTokenKey } from '/@/utils/axios-utils';
+import { i18n } from '/@/i18n';
+
+type IdleTimeoutConfig = {
+	/** 空闲超时时间（秒），默认30分钟 */
+	timeout?: number;
+	/** 用于设置最后活动时间的监听事件列表 */
+	events?: string[];
+	/** 登出回调函数，在超时发生时执行 */
+	onTimeout?: () => void;
+	/** 监听事件防抖间隔（毫秒），默认 200，设为0表示不启用防抖 */
+	debounceInterval?: number;
+};
+
+class IdleTimeoutManager {
+	private timerId: number | null = null;
+	private readonly config: Required<IdleTimeoutConfig>;
+	private readonly debouncedReset: () => void;
+	/** 检查闲置超时时间间隔 */
+	private readonly checkTimeoutInterval = 2 * 1000;
+
+	constructor(config: IdleTimeoutConfig = {}) {
+		this.config = {
+			timeout: 30 * 60,
+			events: ['mousewheel', 'keydown', 'click'],
+			onTimeout: this.timeOutExec.bind(this),
+			debounceInterval: 200,
+			...config,
+		};
+
+		// 防抖处理
+		this.debouncedReset = this.config.debounceInterval > 0 ? debounce(this.setLastActivityTime.bind(this), this.config.debounceInterval) : this.setLastActivityTime.bind(this);
+
+		this.init();
+	}
+
+	private init() {
+		// 初始化事件监听
+		this.config.events.forEach((event) => {
+			window.addEventListener(event, this.debouncedReset);
+		});
+
+		// 页面可见性监听
+		document.addEventListener('visibilitychange', this.handleVisibilityChange);
+
+		// 设置最后活动时间
+		this.setLastActivityTime();
+
+		// 更新空闲超时时间（会按需启动检查定时器）
+		this.updateIdleTimeout(this.config.timeout);
+	}
+
+	private handleVisibilityChange = () => {
+		if (document.visibilityState === 'visible') {
+			this.setLastActivityTime();
+		}
+	};
+
+	/** 设置最后活动时间 */
+	public setLastActivityTime() {
+		Local.set('lastActivityTime', new Date().getTime());
+	}
+
+	/**
+	 * 更新空闲超时时间
+	 * @param timeout - 新的超时时间（毫秒）
+	 */
+	public updateIdleTimeout(timeout: number) {
+		this.config.timeout = timeout;
+		// 如果闲置超时时间大于0且检测定时器没启动
+		if (this.config.timeout > 0 && this.timerId == null) {
+			this.timerId = window.setInterval(this.checkTimeout.bind(this), this.checkTimeoutInterval);
+		} else if (this.config.timeout == 0 && this.timerId != null) {
+			window.clearInterval(this.timerId);
+			this.timerId = null;
+		}
+	}
+
+	/** 检查是否超时 */
+	public checkTimeout() {
+		const currentTime = new Date().getTime(); // 当前时间
+		const lastActivityTime = Number(Local.get('lastActivityTime'));
+		if (lastActivityTime == 0) return;
+		const accessToken = Local.get(accessTokenKey);
+		if (!accessToken || accessToken == 'invalid_token') return;
+		const timeout = this.config.timeout * 1000;
+		if (currentTime - lastActivityTime > timeout) {
+			this.destroy();
+			this.config.onTimeout();
+		}
+	}
+
+	/** 销毁实例 */
+	public destroy() {
+		this.config.events.forEach((event) => {
+			window.removeEventListener(event, this.debouncedReset);
+		});
+		document.removeEventListener('visibilitychange', this.handleVisibilityChange);
+
+		if (this.timerId !== null) {
+			window.clearInterval(this.timerId);
+			this.timerId = null;
+		}
+	}
+
+	/** 超时时执行 */
+	private timeOutExec() {
+		// 移除 app 元素，即清空主界面
+		const appEl = document.getElementById('app')!;
+		appEl?.remove();
+		// 关闭连接
+		signalR.stop();
+
+		// TODO: 如果要改成调用 logout 登出接口，需要调整 clearAccessTokens 会 reload 页面的问题
+
+		// 清除 token
+		Local.remove(accessTokenKey);
+		Local.remove(refreshAccessTokenKey);
+
+		// 清除其他
+		Session.clear();
+
+		ElMessageBox.alert(i18n.global.t('message.list.idleTimeoutMessage'), i18n.global.t('message.list.sysMessage'), {
+			draggable: true,
+			callback: () => {
+				window.location.reload();
+			},
+		});
+	}
+}
+
+/** 初始化函数（在应用启动时调用） */
+export function initIdleTimeout(config?: IdleTimeoutConfig) {
+	// 确保单例模式
+	if (!window.__IDLE_TIMEOUT__) {
+		window.__IDLE_TIMEOUT__ = new IdleTimeoutManager(config);
+	}
+	return window.__IDLE_TIMEOUT__;
+}
+
+/** 销毁函数（在需要时调用） */
+export function destroyIdleTimeout() {
+	if (window.__IDLE_TIMEOUT__) {
+		window.__IDLE_TIMEOUT__.destroy();
+		window.__IDLE_TIMEOUT__ = undefined;
+	}
+}
+
+/** 更新空闲超时时间（毫秒） */
+export function updateIdleTimeout(timeout: number) {
+	if (window.__IDLE_TIMEOUT__) {
+		window.__IDLE_TIMEOUT__.updateIdleTimeout(timeout);
+	}
+}
+
+// 类型扩展
+declare global {
+	interface Window {
+		__IDLE_TIMEOUT__?: IdleTimeoutManager;
+	}
+}
diff --git a/Web/src/utils/sysInfo.ts b/Web/src/utils/sysInfo.ts
index 833aa112..25a6520d 100644
--- a/Web/src/utils/sysInfo.ts
+++ b/Web/src/utils/sysInfo.ts
@@ -5,6 +5,7 @@ import logoImg from '/@/assets/logo.png';
 
 import { SysTenantApi } from '/@/api-services';
 import { feature, getAPI } from '/@/utils/axios-utils';
+import { updateIdleTimeout } from './idleTimeout';
 
 const storesThemeConfig = useThemeConfig();
 const { themeConfig } = storeToRefs(storesThemeConfig);
@@ -56,12 +57,17 @@ export async function loadSysInfo(tenantid: number) {
 		themeConfig.value.passwordExpirationTime = data.passwordExpirationTime;
 		// 开启多语言切换
 		themeConfig.value.i18NSwitch = data.i18NSwitch;
+		// 闲置超时时间
+		themeConfig.value.idleTimeout = data.idleTimeout;
 		// 密码加解密公匙
 		window.__env__.VITE_SM_PUBLIC_KEY = data.publicKey;
 
 		// 更新 favicon
 		updateFavicon(data.logo);
 
+		// 更新空闲超时时间
+		updateIdleTimeout(themeConfig.value.idleTimeout ?? 0);
+
 		// 保存配置
 		Local.remove('themeConfig');
 		Local.set('themeConfig', storesThemeConfig.themeConfig);