diff --git a/locales/en.json b/locales/en.json
index 91da559..7dccc9e 100644
--- a/locales/en.json
+++ b/locales/en.json
@@ -218,6 +218,32 @@
     "title": "title",
     "proxy_settings": "Proxy Settings",
     "remember_window_size": "Remember Window Size",
+    "scheduled_shutdown": "Scheduled Shutdown Settings",
+    "scheduled_shutdown_time": "Daily shutdown time",
+    "scheduled_shutdown_pick_time": "Select daily shutdown time",
+    "scheduled_shutdown_more": "Open shutdown settings",
+    "scheduled_shutdown_tip": "Start the shutdown countdown at the selected time every day",
+    "scheduled_shutdown_system_message": "StreamCap scheduled shutdown started; it can be cancelled within 60 seconds",
+    "scheduled_shutdown_countdown": "The system will shut down in {seconds} seconds.",
+    "scheduled_shutdown_cancel": "Cancel this shutdown",
+    "scheduled_shutdown_cancelled": "This shutdown has been cancelled",
+    "scheduled_shutdown_failed": "Unable to start scheduled shutdown: {error}",
+    "scheduled_shutdown_cancel_failed": "Unable to cancel this shutdown: {error}",
+    "quick_shutdown": "Quick Shutdown",
+    "quick_shutdown_hours_suffix": "hours",
+    "quick_shutdown_ready": "Enter 1-{max_hours} hours, then start",
+    "quick_shutdown_invalid_hours": "Enter a number of hours from 1 to {max_hours}",
+    "quick_shutdown_start": "Start",
+    "quick_shutdown_start_tip": "Schedule shutdown after a number of hours",
+    "quick_shutdown_cancel": "Cancel quick shutdown",
+    "quick_shutdown_confirm_title": "Confirm Quick Shutdown",
+    "quick_shutdown_confirm_content": "The computer will shut down in {hours} hour(s), at {time}. Start the timer?",
+    "quick_shutdown_active": "Scheduled shutdown: {time}",
+    "quick_shutdown_started": "Shutdown scheduled for {time}",
+    "quick_shutdown_cancelled": "Quick shutdown cancelled",
+    "quick_shutdown_failed": "Unable to schedule quick shutdown: {error}",
+    "quick_shutdown_cancel_failed": "Unable to cancel quick shutdown: {error}",
+    "quick_shutdown_system_message": "StreamCap quick shutdown: {hours}-hour countdown",
     "is_proxy_enabled": "Configuration for using proxy and related settings",
     "enable_proxy": "Enable Proxy",
     "proxy_address": "Proxy Address",
@@ -511,4 +537,4 @@
     "login_failed": "Username or password is incorrect",
     "login_success": "Login successful"
   }
-}
+}
\ No newline at end of file
diff --git a/locales/zh_CN.json b/locales/zh_CN.json
index eeadfa4..7e7eefe 100644
--- a/locales/zh_CN.json
+++ b/locales/zh_CN.json
@@ -217,6 +217,32 @@
     "time": "时间",
     "title": "标题",
     "remember_window_size": "退出时记住窗口大小",
+    "scheduled_shutdown": "定时关机设置",
+    "scheduled_shutdown_time": "每日关机时间",
+    "scheduled_shutdown_pick_time": "选择每日关机时间",
+    "scheduled_shutdown_more": "打开关机设置",
+    "scheduled_shutdown_tip": "启用后，程序将在每天指定时间启动关机倒计时",
+    "scheduled_shutdown_system_message": "StreamCap 定时关机任务已触发，可在 60 秒内取消",
+    "scheduled_shutdown_countdown": "系统将在 {seconds} 秒后关机。",
+    "scheduled_shutdown_cancel": "取消本次关机",
+    "scheduled_shutdown_cancelled": "已取消本次关机",
+    "scheduled_shutdown_failed": "无法启动定时关机：{error}",
+    "scheduled_shutdown_cancel_failed": "无法取消本次关机：{error}",
+    "quick_shutdown": "快捷关机",
+    "quick_shutdown_hours_suffix": "小时后",
+    "quick_shutdown_ready": "输入 1–{max_hours} 小时后开始",
+    "quick_shutdown_invalid_hours": "请输入 1 到 {max_hours} 之间的小时数",
+    "quick_shutdown_start": "开始",
+    "quick_shutdown_start_tip": "设置小时倒计时关机",
+    "quick_shutdown_cancel": "取消快捷关机",
+    "quick_shutdown_confirm_title": "确认快捷关机",
+    "quick_shutdown_confirm_content": "电脑将在 {hours} 小时后（{time}）关机，是否开始？",
+    "quick_shutdown_active": "计划关机时间：{time}",
+    "quick_shutdown_started": "已设置在 {time} 关机",
+    "quick_shutdown_cancelled": "已取消快捷关机",
+    "quick_shutdown_failed": "无法设置快捷关机：{error}",
+    "quick_shutdown_cancel_failed": "无法取消快捷关机：{error}",
+    "quick_shutdown_system_message": "StreamCap 快捷关机：{hours} 小时倒计时",
     "proxy_settings": "代理设置",
     "is_proxy_enabled": "设置是否使用代理及相关配置",
     "enable_proxy": "开启代理",
@@ -511,4 +537,4 @@
     "login_failed": "用户名或密码错误",
     "login_success": "登录成功"
   }
-}
+}
\ No newline at end of file