diff --git a/src/components/settings/system-network-settings.tsx b/src/components/settings/system-network-settings.tsx
index b1a73e8..db5d930 100644
--- a/src/components/settings/system-network-settings.tsx
+++ b/src/components/settings/system-network-settings.tsx
@@ -3,10 +3,10 @@
 import { useCallback, useEffect, useMemo, useState } from "react"
 import {
   ArrowUpCircle,
+  CheckCircle2,
   Languages,
   Loader2,
   RefreshCw,
-  Save,
   Wifi,
 } from "lucide-react"
 import type { Update } from "@tauri-apps/plugin-updater"
@@ -153,7 +153,11 @@ export function SystemNetworkSettings() {
     loadSettings().catch((err) => {
       console.error("[Settings] load system settings failed:", err)
     })
-  }, [loadSettings])
+    checkForUpdates().catch((err) => {
+      console.error("[Settings] auto check update failed:", err)
+    })
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [])
 
   useEffect(() => {
     return () => {
@@ -164,48 +168,49 @@ export function SystemNetworkSettings() {
     }
   }, [availableUpdate])
 
-  const saveSettings = useCallback(async () => {
-    if (enabled && !proxyUrl.trim()) {
-      toast.error(t("proxyRequired"))
-      return
-    }
+  const saveProxySettings = useCallback(
+    async (nextEnabled: boolean, nextProxyUrl: string) => {
+      if (nextEnabled && !nextProxyUrl.trim()) return
 
-    setSaving(true)
-    try {
-      const next = await updateSystemProxySettings({
-        enabled,
-        proxy_url: proxyUrl.trim() || null,
-      })
-      setEnabled(next.enabled)
-      setProxyUrl(next.proxy_url ?? "")
-      toast.success(t("saveSuccess"))
-    } catch (err) {
-      const message = err instanceof Error ? err.message : String(err)
-      toast.error(t("saveFailed", { message }))
-    } finally {
-      setSaving(false)
-    }
-  }, [enabled, proxyUrl, t])
+      setSaving(true)
+      try {
+        const next = await updateSystemProxySettings({
+          enabled: nextEnabled,
+          proxy_url: nextProxyUrl.trim() || null,
+        })
+        setEnabled(next.enabled)
+        setProxyUrl(next.proxy_url ?? "")
+      } catch (err) {
+        const message = err instanceof Error ? err.message : String(err)
+        toast.error(t("saveFailed", { message }))
+      } finally {
+        setSaving(false)
+      }
+    },
+    [t]
+  )
 
-  const saveLanguage = useCallback(async () => {
-    setSavingLanguage(true)
+  const saveLanguage = useCallback(
+    async (lang: LanguageSelectValue) => {
+      setSavingLanguage(true)
 
-    try {
-      const next = await updateSystemLanguageSettings({
-        mode: appLanguage === "system" ? "system" : "manual",
-        language:
-          appLanguage === "system" ? languageSettings.language : appLanguage,
-      })
+      try {
+        const next = await updateSystemLanguageSettings({
+          mode: lang === "system" ? "system" : "manual",
+          language:
+            lang === "system" ? languageSettings.language : lang,
+        })
 
-      setLanguageSettings(next)
-      toast.success(t("languageSaveSuccess"))
-    } catch (err) {
-      const message = err instanceof Error ? err.message : String(err)
-      toast.error(t("languageSaveFailed", { message }))
-    } finally {
-      setSavingLanguage(false)
-    }
-  }, [appLanguage, languageSettings.language, setLanguageSettings, t])
+        setLanguageSettings(next)
+      } catch (err) {
+        const message = err instanceof Error ? err.message : String(err)
+        toast.error(t("languageSaveFailed", { message }))
+      } finally {
+        setSavingLanguage(false)
+      }
+    },
+    [languageSettings.language, setLanguageSettings, t]
+  )
 
   const formatUpdateError = useCallback(
     (error: unknown, action: UpdateAction): string => {
@@ -302,128 +307,16 @@ export function SystemNetworkSettings() {
 
         <section className="rounded-xl border bg-card p-4 space-y-4">
           <div className="flex items-center gap-2">
-            <Wifi className="h-4 w-4 text-muted-foreground" />
-            <h2 className="text-sm font-semibold">{t("proxyTitle")}</h2>
-          </div>
-
-          <p className="text-xs text-muted-foreground leading-5">
-            {t("proxyDescription")}
-          </p>
-
-          {loadError && (
-            <div className="rounded-md border border-red-500/30 bg-red-500/5 px-3 py-2 text-xs text-red-400">
-              {t("loadFailed", { message: loadError })}
-            </div>
-          )}
-
-          <label className="inline-flex items-center gap-2 text-sm">
-            <input
-              type="checkbox"
-              checked={enabled}
-              onChange={(event) => setEnabled(event.target.checked)}
-            />
-            {t("enableProxy")}
-          </label>
-
-          <div className="space-y-2">
-            <label className="text-xs font-medium text-muted-foreground">
-              {t("proxyAddress")}
-            </label>
-            <Input
-              value={proxyUrl}
-              onChange={(event) => setProxyUrl(event.target.value)}
-              placeholder={PROXY_EXAMPLE}
-            />
-            <p className="text-[11px] text-muted-foreground">
-              {t("proxyHint", { example: PROXY_EXAMPLE })}
-            </p>
-          </div>
-
-          <div className="flex justify-end">
-            <Button size="sm" onClick={saveSettings} disabled={saving}>
-              {saving ? (
-                <>
-                  <Loader2 className="h-3.5 w-3.5 animate-spin" />
-                  {t("saving")}
-                </>
-              ) : (
-                <>
-                  <Save className="h-3.5 w-3.5" />
-                  {t("save")}
-                </>
-              )}
-            </Button>
-          </div>
-        </section>
-
-        <section className="rounded-xl border bg-card p-4 space-y-4">
-          <div className="flex items-center gap-2">
-            <Languages className="h-4 w-4 text-muted-foreground" />
-            <h2 className="text-sm font-semibold">{t("languageTitle")}</h2>
-          </div>
-
-          <p className="text-xs text-muted-foreground leading-5">
-            {t("languageDescription")}
-          </p>
-
-          <div className="space-y-2">
-            <label className="text-xs font-medium text-muted-foreground">
-              {t("appLanguage")}
-            </label>
-            <Select
-              value={appLanguage}
-              onValueChange={(value) => {
-                if (value === "system") {
-                  setAppLanguage("system")
-                  return
-                }
-                if (!isAppLocale(value)) return
-                setAppLanguage(value)
-              }}
-              disabled={savingLanguage || !languageSettingsLoaded}
-            >
-              <SelectTrigger className="w-full sm:w-56">
-                <SelectValue />
-              </SelectTrigger>
-              <SelectContent align="start">
-                <SelectItem value="system">
-                  {tLanguage("followSystem")}
-                </SelectItem>
-                <SelectItem value="en">{languageLabels.en}</SelectItem>
-                <SelectItem value="zh_cn">{languageLabels.zh_cn}</SelectItem>
-                <SelectItem value="zh_tw">{languageLabels.zh_tw}</SelectItem>
-                <SelectItem value="ja">{languageLabels.ja}</SelectItem>
-                <SelectItem value="ko">{languageLabels.ko}</SelectItem>
-                <SelectItem value="es">{languageLabels.es}</SelectItem>
-                <SelectItem value="de">{languageLabels.de}</SelectItem>
-                <SelectItem value="fr">{languageLabels.fr}</SelectItem>
-                <SelectItem value="pt">{languageLabels.pt}</SelectItem>
-                <SelectItem value="ar">{languageLabels.ar}</SelectItem>
-              </SelectContent>
-            </Select>
-          </div>
-
-          <div className="flex justify-end">
-            <Button size="sm" onClick={saveLanguage} disabled={savingLanguage}>
-              {savingLanguage ? (
-                <>
-                  <Loader2 className="h-3.5 w-3.5 animate-spin" />
-                  {t("saving")}
-                </>
-              ) : (
-                <>
-                  <Save className="h-3.5 w-3.5" />
-                  {t("save")}
-                </>
-              )}
-            </Button>
-          </div>
-        </section>
-
-        <section className="rounded-xl border bg-card p-4 space-y-4">
-          <div className="flex items-center gap-2">
-            <RefreshCw className="h-4 w-4 text-muted-foreground" />
-            <h2 className="text-sm font-semibold">{t("updateTitle")}</h2>
+            {checkingUpdate ? (
+              <RefreshCw className="h-4 w-4 text-muted-foreground animate-spin" />
+            ) : availableUpdate ? (
+              <ArrowUpCircle className="h-4 w-4 text-muted-foreground" />
+            ) : lastCheckedAt ? (
+              <CheckCircle2 className="h-4 w-4 text-green-500" />
+            ) : (
+              <RefreshCw className="h-4 w-4 text-muted-foreground" />
+            )}
+            <h2 className="text-sm font-semibold">{t("versionTitle")}</h2>
           </div>
 
           <p className="text-xs text-muted-foreground leading-5">
@@ -514,6 +407,105 @@ export function SystemNetworkSettings() {
             </div>
           )}
         </section>
+
+        <section className="rounded-xl border bg-card p-4 space-y-4">
+          <div className="flex items-center gap-2">
+            <Wifi className="h-4 w-4 text-muted-foreground" />
+            <h2 className="text-sm font-semibold">{t("proxyTitle")}</h2>
+          </div>
+
+          <p className="text-xs text-muted-foreground leading-5">
+            {t("proxyDescription")}
+          </p>
+
+          {loadError && (
+            <div className="rounded-md border border-red-500/30 bg-red-500/5 px-3 py-2 text-xs text-red-400">
+              {t("loadFailed", { message: loadError })}
+            </div>
+          )}
+
+          <label className="inline-flex items-center gap-2 text-sm">
+            <input
+              type="checkbox"
+              checked={enabled}
+              disabled={saving}
+              onChange={(event) => {
+                const next = event.target.checked
+                setEnabled(next)
+                saveProxySettings(next, proxyUrl)
+              }}
+            />
+            {t("enableProxy")}
+          </label>
+
+          <div className="space-y-2">
+            <label className="text-xs font-medium text-muted-foreground">
+              {t("proxyAddress")}
+            </label>
+            <Input
+              value={proxyUrl}
+              onChange={(event) => setProxyUrl(event.target.value)}
+              onBlur={() => saveProxySettings(enabled, proxyUrl)}
+              placeholder={PROXY_EXAMPLE}
+              disabled={saving}
+            />
+            <p className="text-[11px] text-muted-foreground">
+              {t("proxyHint", { example: PROXY_EXAMPLE })}
+            </p>
+          </div>
+        </section>
+
+        <section className="rounded-xl border bg-card p-4 space-y-4">
+          <div className="flex items-center gap-2">
+            <Languages className="h-4 w-4 text-muted-foreground" />
+            <h2 className="text-sm font-semibold">{t("languageTitle")}</h2>
+          </div>
+
+          <p className="text-xs text-muted-foreground leading-5">
+            {t("languageDescription")}
+          </p>
+
+          <div className="space-y-2">
+            <label className="text-xs font-medium text-muted-foreground">
+              {t("appLanguage")}
+            </label>
+            <Select
+              value={appLanguage}
+              onValueChange={(value) => {
+                let nextLang: LanguageSelectValue
+                if (value === "system") {
+                  nextLang = "system"
+                } else if (isAppLocale(value)) {
+                  nextLang = value
+                } else {
+                  return
+                }
+                setAppLanguage(nextLang)
+                saveLanguage(nextLang)
+              }}
+              disabled={savingLanguage || !languageSettingsLoaded}
+            >
+              <SelectTrigger className="w-full sm:w-56">
+                <SelectValue />
+              </SelectTrigger>
+              <SelectContent align="start">
+                <SelectItem value="system">
+                  {tLanguage("followSystem")}
+                </SelectItem>
+                <SelectItem value="en">{languageLabels.en}</SelectItem>
+                <SelectItem value="zh_cn">{languageLabels.zh_cn}</SelectItem>
+                <SelectItem value="zh_tw">{languageLabels.zh_tw}</SelectItem>
+                <SelectItem value="ja">{languageLabels.ja}</SelectItem>
+                <SelectItem value="ko">{languageLabels.ko}</SelectItem>
+                <SelectItem value="es">{languageLabels.es}</SelectItem>
+                <SelectItem value="de">{languageLabels.de}</SelectItem>
+                <SelectItem value="fr">{languageLabels.fr}</SelectItem>
+                <SelectItem value="pt">{languageLabels.pt}</SelectItem>
+                <SelectItem value="ar">{languageLabels.ar}</SelectItem>
+              </SelectContent>
+            </Select>
+          </div>
+        </section>
       </div>
     </div>
   )
diff --git a/src/i18n/messages/ar.json b/src/i18n/messages/ar.json
index ee6cac5..4c63714 100644
--- a/src/i18n/messages/ar.json
+++ b/src/i18n/messages/ar.json
@@ -127,6 +127,7 @@
     "languageSaveSuccess": "تم حفظ إعدادات اللغة",
     "languageSaveFailed": "فشل حفظ إعدادات اللغة: {message}",
     "updateTitle": "تحديث التطبيق",
+    "versionTitle": "تحديث البرنامج",
     "updateDescription": "تحقق من المصدر المهيأ للإصدارات الأحدث وثبّت التحديث مباشرة عند توفره.",
     "currentVersion": "الإصدار الحالي",
     "upgradableVersion": "أحدث إصدار",
diff --git a/src/i18n/messages/de.json b/src/i18n/messages/de.json
index abee042..89ed30b 100644
--- a/src/i18n/messages/de.json
+++ b/src/i18n/messages/de.json
@@ -127,6 +127,7 @@
     "languageSaveSuccess": "Spracheinstellungen wurden gespeichert",
     "languageSaveFailed": "Spracheinstellungen konnten nicht gespeichert werden: {message}",
     "updateTitle": "App-Update",
+    "versionTitle": "Softwareupdate",
     "updateDescription": "Prüft die konfigurierte Release-Quelle auf neue Versionen und installiert sie bei Verfügbarkeit direkt.",
     "currentVersion": "Aktuelle Version",
     "upgradableVersion": "Neueste Version",
diff --git a/src/i18n/messages/en.json b/src/i18n/messages/en.json
index 89459b3..6c61fa8 100644
--- a/src/i18n/messages/en.json
+++ b/src/i18n/messages/en.json
@@ -127,6 +127,7 @@
     "languageSaveSuccess": "Language settings saved",
     "languageSaveFailed": "Failed to save language settings: {message}",
     "updateTitle": "App Update",
+    "versionTitle": "Software Update",
     "updateDescription": "Check the configured release source for newer versions and install directly when available.",
     "currentVersion": "Current version",
     "upgradableVersion": "Latest version",
diff --git a/src/i18n/messages/es.json b/src/i18n/messages/es.json
index 749dc4d..058d3ad 100644
--- a/src/i18n/messages/es.json
+++ b/src/i18n/messages/es.json
@@ -127,6 +127,7 @@
     "languageSaveSuccess": "La configuración de idioma se guardó",
     "languageSaveFailed": "No se pudo guardar la configuración de idioma: {message}",
     "updateTitle": "Actualización de la app",
+    "versionTitle": "Actualización de software",
     "updateDescription": "Comprueba versiones más nuevas en la fuente de versiones configurada e instálalas directamente cuando estén disponibles.",
     "currentVersion": "Versión actual",
     "upgradableVersion": "Última versión",
diff --git a/src/i18n/messages/fr.json b/src/i18n/messages/fr.json
index 409a3b0..bba8263 100644
--- a/src/i18n/messages/fr.json
+++ b/src/i18n/messages/fr.json
@@ -127,6 +127,7 @@
     "languageSaveSuccess": "Les paramètres de langue ont été enregistrés",
     "languageSaveFailed": "Échec de l’enregistrement des paramètres de langue : {message}",
     "updateTitle": "Mise à jour de l’app",
+    "versionTitle": "Mise à jour logicielle",
     "updateDescription": "Vérifiez les nouvelles versions depuis la source de publication configurée et installez-les directement si disponibles.",
     "currentVersion": "Version actuelle",
     "upgradableVersion": "Dernière version",
diff --git a/src/i18n/messages/ja.json b/src/i18n/messages/ja.json
index 48434ef..331378d 100644
--- a/src/i18n/messages/ja.json
+++ b/src/i18n/messages/ja.json
@@ -127,6 +127,7 @@
     "languageSaveSuccess": "言語設定を保存しました",
     "languageSaveFailed": "言語設定の保存に失敗しました: {message}",
     "updateTitle": "アプリ更新",
+    "versionTitle": "ソフトウェアアップデート",
     "updateDescription": "設定されたリリースソースで新しいバージョンを確認し、利用可能なら直接インストールします。",
     "currentVersion": "現在のバージョン",
     "upgradableVersion": "最新バージョン",
diff --git a/src/i18n/messages/ko.json b/src/i18n/messages/ko.json
index b22ffe1..735f9e0 100644
--- a/src/i18n/messages/ko.json
+++ b/src/i18n/messages/ko.json
@@ -127,6 +127,7 @@
     "languageSaveSuccess": "언어 설정이 저장되었습니다",
     "languageSaveFailed": "언어 설정 저장 실패: {message}",
     "updateTitle": "앱 업데이트",
+    "versionTitle": "소프트웨어 업데이트",
     "updateDescription": "설정된 릴리스 소스에서 새 버전을 확인하고 가능하면 바로 설치합니다.",
     "currentVersion": "현재 버전",
     "upgradableVersion": "최신 버전",
diff --git a/src/i18n/messages/pt.json b/src/i18n/messages/pt.json
index 9a9c6d8..cdfb423 100644
--- a/src/i18n/messages/pt.json
+++ b/src/i18n/messages/pt.json
@@ -127,6 +127,7 @@
     "languageSaveSuccess": "As configurações de idioma foram salvas",
     "languageSaveFailed": "Falha ao salvar as configurações de idioma: {message}",
     "updateTitle": "Atualização do app",
+    "versionTitle": "Atualização de software",
     "updateDescription": "Verifique versões mais novas na fonte de releases configurada e instale diretamente quando disponíveis.",
     "currentVersion": "Versão atual",
     "upgradableVersion": "Versão mais recente",
diff --git a/src/i18n/messages/zh-CN.json b/src/i18n/messages/zh-CN.json
index dd08e45..dac0998 100644
--- a/src/i18n/messages/zh-CN.json
+++ b/src/i18n/messages/zh-CN.json
@@ -127,6 +127,7 @@
     "languageSaveSuccess": "语言设置已保存",
     "languageSaveFailed": "语言设置保存失败：{message}",
     "updateTitle": "应用升级",
+    "versionTitle": "软件更新",
     "updateDescription": "点击检查后会从配置的发布源拉取最新版本信息，有新版本时可直接下载并安装。",
     "currentVersion": "当前版本",
     "upgradableVersion": "最新版本",
diff --git a/src/i18n/messages/zh-TW.json b/src/i18n/messages/zh-TW.json
index b416cc7..5a9af96 100644
--- a/src/i18n/messages/zh-TW.json
+++ b/src/i18n/messages/zh-TW.json
@@ -127,6 +127,7 @@
     "languageSaveSuccess": "語言設定已儲存",
     "languageSaveFailed": "語言設定儲存失敗：{message}",
     "updateTitle": "應用升級",
+    "versionTitle": "軟體更新",
     "updateDescription": "點擊檢查後會從設定的發佈來源拉取最新版本資訊，有新版本時可直接下載並安裝。",
     "currentVersion": "目前版本",
     "upgradableVersion": "最新版本",