diff --git a/src-tauri/Cargo.lock b/src-tauri/Cargo.lock
index 7bcb55c..c8b8f84 100644
--- a/src-tauri/Cargo.lock
+++ b/src-tauri/Cargo.lock
@@ -291,6 +291,17 @@ version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
 
+[[package]]
+name = "auto-launch"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1f012b8cc0c850f34117ec8252a44418f2e34a2cf501de89e29b241ae5f79471"
+dependencies = [
+ "dirs 4.0.0",
+ "thiserror 1.0.69",
+ "winreg 0.10.1",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.5.0"
@@ -598,6 +609,7 @@ name = "cc-switch"
 version = "3.7.0"
 dependencies = [
  "anyhow",
+ "auto-launch",
  "chrono",
  "dirs 5.0.1",
  "futures",
@@ -982,6 +994,15 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "dirs"
+version = "4.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca3aa72a6f96ea37bbc5aa912f6788242832f75369bdfdadcb0e38423f100059"
+dependencies = [
+ "dirs-sys 0.3.7",
+]
+
 [[package]]
 name = "dirs"
 version = "5.0.1"
@@ -1000,6 +1021,17 @@ dependencies = [
  "dirs-sys 0.5.0",
 ]
 
+[[package]]
+name = "dirs-sys"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b1d1d91c932ef41c0f2663aa8b0ca0342d444d842c06914aa0a7e352d0bada6"
+dependencies = [
+ "libc",
+ "redox_users 0.4.6",
+ "winapi",
+]
+
 [[package]]
 name = "dirs-sys"
 version = "0.4.1"
@@ -6397,6 +6429,15 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "winreg"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80d0f4e272c85def139476380b12f9ac60926689dd2e01d4923222f40580869d"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "winreg"
 version = "0.52.0"
diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index 2a2dd53..530d258 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -34,6 +34,7 @@ tauri-plugin-updater = "2"
 tauri-plugin-dialog = "2"
 tauri-plugin-store = "2"
 tauri-plugin-deep-link = "2"
+auto-launch = "0.5"
 dirs = "5.0"
 toml = "0.8"
 toml_edit = "0.22"
diff --git a/src-tauri/src/auto_launch.rs b/src-tauri/src/auto_launch.rs
new file mode 100644
index 0000000..43bef82
--- /dev/null
+++ b/src-tauri/src/auto_launch.rs
@@ -0,0 +1,39 @@
+use crate::error::AppError;
+use auto_launch::AutoLaunch;
+
+/// 初始化 AutoLaunch 实例
+fn get_auto_launch() -> Result<AutoLaunch, AppError> {
+    let app_name = "CC Switch";
+    let app_path = std::env::current_exe().map_err(AppError::AutoLaunchPathError)?;
+
+    let auto_launch = AutoLaunch::new(app_name, &app_path.to_string_lossy(), false, &[] as &[&str]);
+    Ok(auto_launch)
+}
+
+/// 启用开机自启
+pub fn enable_auto_launch() -> Result<(), AppError> {
+    let auto_launch = get_auto_launch()?;
+    auto_launch
+        .enable()
+        .map_err(|e| AppError::AutoLaunchEnableError(e.to_string()))?;
+    log::info!("Auto-launch enabled");
+    Ok(())
+}
+
+/// 禁用开机自启
+pub fn disable_auto_launch() -> Result<(), AppError> {
+    let auto_launch = get_auto_launch()?;
+    auto_launch
+        .disable()
+        .map_err(|e| AppError::AutoLaunchDisableError(e.to_string()))?;
+    log::info!("Auto-launch disabled");
+    Ok(())
+}
+
+/// 检查是否已启用开机自启
+pub fn is_auto_launch_enabled() -> Result<bool, AppError> {
+    let auto_launch = get_auto_launch()?;
+    auto_launch
+        .is_enabled()
+        .map_err(|e| AppError::AutoLaunchCheckError(e.to_string()))
+}
diff --git a/src-tauri/src/commands/settings.rs b/src-tauri/src/commands/settings.rs
index ee76526..eeca097 100644
--- a/src-tauri/src/commands/settings.rs
+++ b/src-tauri/src/commands/settings.rs
@@ -37,3 +37,20 @@ pub async fn set_app_config_dir_override(
     crate::app_store::set_app_config_dir_to_store(&app, path.as_deref())?;
     Ok(true)
 }
+
+/// 设置开机自启
+#[tauri::command]
+pub async fn set_auto_launch(enabled: bool) -> Result<bool, String> {
+    if enabled {
+        crate::auto_launch::enable_auto_launch().map_err(|e| e.to_string())?;
+    } else {
+        crate::auto_launch::disable_auto_launch().map_err(|e| e.to_string())?;
+    }
+    Ok(true)
+}
+
+/// 获取开机自启状态
+#[tauri::command]
+pub async fn get_auto_launch_status() -> Result<bool, String> {
+    crate::auto_launch::is_auto_launch_enabled().map_err(|e| e.to_string())
+}
diff --git a/src-tauri/src/error.rs b/src-tauri/src/error.rs
index d9b0262..2912d8e 100644
--- a/src-tauri/src/error.rs
+++ b/src-tauri/src/error.rs
@@ -50,6 +50,14 @@ pub enum AppError {
         zh: String,
         en: String,
     },
+    #[error("Failed to get application path for auto-launch: {0}")]
+    AutoLaunchPathError(#[source] std::io::Error),
+    #[error("Failed to enable auto-launch: {0}")]
+    AutoLaunchEnableError(String),
+    #[error("Failed to disable auto-launch: {0}")]
+    AutoLaunchDisableError(String),
+    #[error("Failed to check auto-launch status: {0}")]
+    AutoLaunchCheckError(String),
 }
 
 impl AppError {
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index 0ed21ab..5ac537e 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -1,5 +1,6 @@
 mod app_config;
 mod app_store;
+mod auto_launch;
 mod claude_mcp;
 mod claude_plugin;
 mod codex_config;
@@ -559,6 +560,30 @@ pub fn run() {
 
             // 启动阶段不再无条件保存,避免意外覆盖用户配置。
 
+            // 同步开机自启状态：以 settings.json 为准，保持系统项一致
+            {
+                let settings = crate::settings::get_settings();
+                let system_enabled = crate::auto_launch::is_auto_launch_enabled().unwrap_or(false);
+
+                if settings.launch_on_startup != system_enabled {
+                    log::info!(
+                        "开机自启状态不一致：settings={}, system={}，以 settings 为准",
+                        settings.launch_on_startup,
+                        system_enabled
+                    );
+
+                    let sync_result = if settings.launch_on_startup {
+                        crate::auto_launch::enable_auto_launch()
+                    } else {
+                        crate::auto_launch::disable_auto_launch()
+                    };
+
+                    if let Err(e) = sync_result {
+                        log::warn!("同步开机自启状态失败: {}", e);
+                    }
+                }
+            }
+
             // 注册 deep-link URL 处理器（使用正确的 DeepLinkExt API）
             log::info!("=== Registering deep-link URL handler ===");
 
@@ -653,6 +678,8 @@ pub fn run() {
             commands::get_settings,
             commands::save_settings,
             commands::restart_app,
+            commands::set_auto_launch,
+            commands::get_auto_launch_status,
             commands::check_for_updates,
             commands::is_portable_mode,
             commands::get_claude_plugin_status,
diff --git a/src-tauri/src/settings.rs b/src-tauri/src/settings.rs
index 75b4c3c..518e1cb 100644
--- a/src-tauri/src/settings.rs
+++ b/src-tauri/src/settings.rs
@@ -49,6 +49,9 @@ pub struct AppSettings {
     pub gemini_config_dir: Option<String>,
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub language: Option<String>,
+    /// 是否开机自启
+    #[serde(default)]
+    pub launch_on_startup: bool,
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub security: Option<SecuritySettings>,
     /// Claude 自定义端点列表
@@ -77,6 +80,7 @@ impl Default for AppSettings {
             codex_config_dir: None,
             gemini_config_dir: None,
             language: None,
+            launch_on_startup: false,
             security: None,
             custom_endpoints_claude: HashMap::new(),
             custom_endpoints_codex: HashMap::new(),
diff --git a/src/components/settings/WindowSettings.tsx b/src/components/settings/WindowSettings.tsx
index 94ec79a..06f0d39 100644
--- a/src/components/settings/WindowSettings.tsx
+++ b/src/components/settings/WindowSettings.tsx
@@ -19,6 +19,13 @@ export function WindowSettings({ settings, onChange }: WindowSettingsProps) {
         </p>
       </header>
 
+      <ToggleRow
+        title={t("settings.launchOnStartup")}
+        description={t("settings.launchOnStartupDescription")}
+        checked={!!settings.launchOnStartup}
+        onCheckedChange={(value) => onChange({ launchOnStartup: value })}
+      />
+
       <ToggleRow
         title={t("settings.minimizeToTray")}
         description={t("settings.minimizeToTrayDescription")}
diff --git a/src/hooks/useSettings.ts b/src/hooks/useSettings.ts
index 881198d..b21a96b 100644
--- a/src/hooks/useSettings.ts
+++ b/src/hooks/useSettings.ts
@@ -126,6 +126,7 @@ export function useSettings(): UseSettingsResult {
       const previousClaudeDir = sanitizeDir(data?.claudeConfigDir);
       const previousCodexDir = sanitizeDir(data?.codexConfigDir);
       const previousGeminiDir = sanitizeDir(data?.geminiConfigDir);
+      const previousAutoLaunch = data?.launchOnStartup ?? false;
 
       const payload: Settings = {
         ...settings,
@@ -139,6 +140,20 @@ export function useSettings(): UseSettingsResult {
 
       await settingsApi.setAppConfigDirOverride(sanitizedAppDir ?? null);
 
+      // 如果开机自启状态改变，调用系统 API
+      if (payload.launchOnStartup !== previousAutoLaunch) {
+        try {
+          await settingsApi.setAutoLaunch(payload.launchOnStartup);
+        } catch (error) {
+          console.error("Failed to update auto-launch:", error);
+          toast.error(
+            t("settings.autoLaunchFailed", {
+              defaultValue: "设置开机自启失败",
+            }),
+          );
+        }
+      }
+
       try {
         if (payload.enableClaudePluginIntegration) {
           await settingsApi.applyClaudePluginConfig({ official: false });
diff --git a/src/hooks/useSettingsForm.ts b/src/hooks/useSettingsForm.ts
index 742e735..ce4ed9d 100644
--- a/src/hooks/useSettingsForm.ts
+++ b/src/hooks/useSettingsForm.ts
@@ -82,6 +82,7 @@ export function useSettingsForm(): UseSettingsFormResult {
       minimizeToTrayOnClose: data.minimizeToTrayOnClose ?? true,
       enableClaudePluginIntegration:
         data.enableClaudePluginIntegration ?? false,
+      launchOnStartup: data.launchOnStartup ?? false,
       claudeConfigDir: sanitizeDir(data.claudeConfigDir),
       codexConfigDir: sanitizeDir(data.codexConfigDir),
       language: normalizedLanguage,
@@ -101,6 +102,7 @@ export function useSettingsForm(): UseSettingsFormResult {
             showInTray: true,
             minimizeToTrayOnClose: true,
             enableClaudePluginIntegration: false,
+            launchOnStartup: false,
             language: readPersistedLanguage(),
           } as SettingsFormState);
 
@@ -135,6 +137,7 @@ export function useSettingsForm(): UseSettingsFormResult {
         minimizeToTrayOnClose: serverData.minimizeToTrayOnClose ?? true,
         enableClaudePluginIntegration:
           serverData.enableClaudePluginIntegration ?? false,
+        launchOnStartup: serverData.launchOnStartup ?? false,
         claudeConfigDir: sanitizeDir(serverData.claudeConfigDir),
         codexConfigDir: sanitizeDir(serverData.codexConfigDir),
         language: normalizedLanguage,
diff --git a/src/i18n/locales/en.json b/src/i18n/locales/en.json
index 536692e..d224ebb 100644
--- a/src/i18n/locales/en.json
+++ b/src/i18n/locales/en.json
@@ -166,6 +166,9 @@
     "languageOptionEnglish": "English",
     "windowBehavior": "Window Behavior",
     "windowBehaviorHint": "Configure window minimize and Claude plugin integration policies.",
+    "launchOnStartup": "Launch on Startup",
+    "launchOnStartupDescription": "Automatically run CC Switch when system starts",
+    "autoLaunchFailed": "Failed to set auto-launch",
     "minimizeToTray": "Minimize to tray on close",
     "minimizeToTrayDescription": "When checked, clicking the close button will hide to system tray, otherwise the app will exit directly.",
     "enableClaudePluginIntegration": "Apply to Claude Code extension",
diff --git a/src/i18n/locales/zh.json b/src/i18n/locales/zh.json
index 190a58e..8f7da38 100644
--- a/src/i18n/locales/zh.json
+++ b/src/i18n/locales/zh.json
@@ -166,6 +166,9 @@
     "languageOptionEnglish": "English",
     "windowBehavior": "窗口行为",
     "windowBehaviorHint": "配置窗口最小化与 Claude 插件联动策略。",
+    "launchOnStartup": "开机自启",
+    "launchOnStartupDescription": "随系统启动自动运行 CC Switch",
+    "autoLaunchFailed": "设置开机自启失败",
     "minimizeToTray": "关闭时最小化到托盘",
     "minimizeToTrayDescription": "勾选后点击关闭按钮会隐藏到系统托盘，取消则直接退出应用。",
     "enableClaudePluginIntegration": "应用到 Claude Code 插件",
diff --git a/src/lib/api/settings.ts b/src/lib/api/settings.ts
index dc5874a..8922d8b 100644
--- a/src/lib/api/settings.ts
+++ b/src/lib/api/settings.ts
@@ -107,4 +107,12 @@ export const settingsApi = {
     }
     await invoke("open_external", { url });
   },
+
+  async setAutoLaunch(enabled: boolean): Promise<boolean> {
+    return await invoke("set_auto_launch", { enabled });
+  },
+
+  async getAutoLaunchStatus(): Promise<boolean> {
+    return await invoke("get_auto_launch_status");
+  },
 };
diff --git a/src/types.ts b/src/types.ts
index b4cb57f..f94a737 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -101,6 +101,8 @@ export interface Settings {
   geminiConfigDir?: string;
   // 首选语言（可选，默认中文）
   language?: "en" | "zh";
+  // 是否开机自启
+  launchOnStartup?: boolean;
   // Claude 自定义端点列表
   customEndpointsClaude?: Record<string, CustomEndpoint>;
   // Codex 自定义端点列表