diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index 7e56c06..f44528f 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -85,7 +85,7 @@ use downloader::{cancel_download, download_browser};
 
 use settings_manager::{
   decline_launch_on_login, dismiss_window_resize_warning, enable_launch_on_login, get_app_settings,
-  get_sync_settings, get_system_language, get_table_sorting_settings,
+  get_sync_settings, get_system_info, get_system_language, get_table_sorting_settings,
   get_window_resize_warning_dismissed, save_app_settings, save_sync_settings,
   save_table_sorting_settings, should_show_launch_on_login_prompt,
 };
@@ -1816,6 +1816,7 @@ pub fn run() {
       get_table_sorting_settings,
       save_table_sorting_settings,
       get_system_language,
+      get_system_info,
       dismiss_window_resize_warning,
       get_window_resize_warning_dismissed,
       clear_all_version_cache_and_refetch,
diff --git a/src-tauri/src/settings_manager.rs b/src-tauri/src/settings_manager.rs
index d107a06..459ea43 100644
--- a/src-tauri/src/settings_manager.rs
+++ b/src-tauri/src/settings_manager.rs
@@ -945,6 +945,40 @@ pub fn get_system_language() -> String {
     .unwrap_or_else(|| "en".to_string())
 }
 
+#[derive(Debug, Serialize, Clone)]
+pub struct SystemInfo {
+  pub app_version: String,
+  pub os: String,
+  pub arch: String,
+}
+
+#[tauri::command]
+pub fn get_system_info() -> SystemInfo {
+  let os = if cfg!(target_os = "macos") {
+    "macOS"
+  } else if cfg!(target_os = "windows") {
+    "Windows"
+  } else if cfg!(target_os = "linux") {
+    "Linux"
+  } else {
+    "Unknown"
+  };
+
+  let arch = if cfg!(target_arch = "x86_64") {
+    "x86_64"
+  } else if cfg!(target_arch = "aarch64") {
+    "aarch64"
+  } else {
+    "unknown"
+  };
+
+  SystemInfo {
+    app_version: crate::app_auto_updater::AppAutoUpdater::get_current_version(),
+    os: os.to_string(),
+    arch: arch.to_string(),
+  }
+}
+
 // Global singleton instance
 lazy_static::lazy_static! {
   static ref SETTINGS_MANAGER: SettingsManager = SettingsManager::new();
diff --git a/src/components/settings-dialog.tsx b/src/components/settings-dialog.tsx
index 02c7512..8281304 100644
--- a/src/components/settings-dialog.tsx
+++ b/src/components/settings-dialog.tsx
@@ -124,6 +124,11 @@ export function SettingsDialog({
   const [e2ePasswordConfirm, setE2ePasswordConfirm] = useState("");
   const [e2eError, setE2eError] = useState("");
   const [isSavingE2e, setIsSavingE2e] = useState(false);
+  const [systemInfo, setSystemInfo] = useState<{
+    app_version: string;
+    os: string;
+    arch: string;
+  } | null>(null);
 
   const { t } = useTranslation();
   const { setTheme } = useTheme();
@@ -226,6 +231,17 @@ export function SettingsDialog({
       } catch {
         setHasE2ePassword(false);
       }
+      // Load system info
+      try {
+        const info = await invoke<{
+          app_version: string;
+          os: string;
+          arch: string;
+        }>("get_system_info");
+        setSystemInfo(info);
+      } catch {
+        setSystemInfo(null);
+      }
     } catch (error) {
       console.error("Failed to load settings:", error);
     } finally {
@@ -1088,6 +1104,15 @@ export function SettingsDialog({
               version information for all browsers.
             </p>
           </div>
+
+          {/* System Info */}
+          {systemInfo && (
+            <div className="pt-2 border-t">
+              <p className="text-xs text-muted-foreground font-mono whitespace-pre-line select-all">
+                {`Donut Browser ${systemInfo.app_version}\n${systemInfo.os} ${systemInfo.arch}`}
+              </p>
+            </div>
+          )}
         </div>
 
         <DialogFooter className="shrink-0">