diff --git a/Source/PreferencesWindowController.swift b/Source/PreferencesWindowController.swift
index 0da4c332..b0e82900 100644
--- a/Source/PreferencesWindowController.swift
+++ b/Source/PreferencesWindowController.swift
@@ -30,7 +30,7 @@ extension RangeReplaceableCollection where Element: Hashable {
     var currentLanguageSelectItem: NSMenuItem? = nil
 
     override func awakeFromNib() {
-        let languages = ["auto", "en-US", "zh-CN", "zh-TW", "ja-JP"]
+        let languages = ["auto", "en", "zh-Hans", "zh-Hant", "ja"]
         var autoSelectItem: NSMenuItem? = nil
         var chosenLanguageItem: NSMenuItem? = nil
         uiLanguageButton.menu?.removeAllItems()
diff --git a/Source/en.lproj/Localizable.strings b/Source/en.lproj/Localizable.strings
index ed2bd2f9..016d461c 100644
--- a/Source/en.lproj/Localizable.strings
+++ b/Source/en.lproj/Localizable.strings
@@ -37,3 +37,8 @@
 "NT351 BPMF EMU" = "NT351 Per-Char Select Mode";
 "CNS11643 Mode" = "CNS11643 Mode";
 "Reboot vChewing…" = "Reboot vChewing…";
+"auto" = "Follow System Settings";
+"en" = "English";
+"zh-Hans" = "Simplified Chinese";
+"zh-Hant" = "Traditional Chinese";
+"ja" = "Japanese";
diff --git a/Source/en.lproj/preferences.strings b/Source/en.lproj/preferences.strings
index a2914d5b..54ad44cf 100644
--- a/Source/en.lproj/preferences.strings
+++ b/Source/en.lproj/preferences.strings
@@ -146,8 +146,8 @@
 /* Class = "NSButtonCell"; title = "Check for updates automatically"; ObjectID = "Z9t-P0-BLF"; */
 "Z9t-P0-BLF.title" = "Check for updates automatically";
 
-/* Class = "NSTextFieldCell"; title = "Change user interface language."; ObjectID = "ZEv-Q2-mYL"; */
-"ZEv-Q2-mYL.title" = "Change user interface language.";
+/* Class = "NSTextFieldCell"; title = "Change user interface language (will reboot the IME)."; ObjectID = "ZEv-Q2-mYL"; */
+"ZEv-Q2-mYL.title" = "Change user interface language (will reboot the IME).";
 
 /* Class = "NSMenuItem"; title = "Simplified Chinese"; ObjectID = "akC-2g-ybz"; */
 "akC-2g-ybz.title" = "Simplified Chinese";
diff --git a/Source/ja.lproj/Localizable.strings b/Source/ja.lproj/Localizable.strings
index 1f32665e..1c34d83c 100644
--- a/Source/ja.lproj/Localizable.strings
+++ b/Source/ja.lproj/Localizable.strings
@@ -37,3 +37,8 @@
 "NT351 BPMF EMU" = "全候補入力モード";
 "CNS11643 Mode" = "全字庫モード";
 "Reboot vChewing…" = "入力アプリ再起動…";
+"auto" = "システム設定に準ず";
+"en" = "英語";
+"zh-Hans" = "簡體中国語";
+"zh-Hant" = "繁體中国語";
+"ja" = "和語";
diff --git a/Source/ja.lproj/preferences.strings b/Source/ja.lproj/preferences.strings
index 8269e9fb..ffedad7f 100644
--- a/Source/ja.lproj/preferences.strings
+++ b/Source/ja.lproj/preferences.strings
@@ -146,8 +146,8 @@
 /* Class = "NSButtonCell"; title = "Check for updates automatically"; ObjectID = "Z9t-P0-BLF"; */
 "Z9t-P0-BLF.title" = "アプリの更新通知を受く";
 
-/* Class = "NSTextFieldCell"; title = "Change user interface language."; ObjectID = "ZEv-Q2-mYL"; */
-"ZEv-Q2-mYL.title" = "アプリ表示用言語をご指定ください。";
+/* Class = "NSTextFieldCell"; title = "Change user interface language (will reboot the IME)."; ObjectID = "ZEv-Q2-mYL"; */
+"ZEv-Q2-mYL.title" = "アプリ表示用言語をご指定ください、そして入力アプリは自動的に再起動。";
 
 /* Class = "NSMenuItem"; title = "Simplified Chinese"; ObjectID = "akC-2g-ybz"; */
 "akC-2g-ybz.title" = "簡体中国語";
diff --git a/Source/zh-Hans.lproj/Localizable.strings b/Source/zh-Hans.lproj/Localizable.strings
index 7737bb21..a67e8e6d 100644
--- a/Source/zh-Hans.lproj/Localizable.strings
+++ b/Source/zh-Hans.lproj/Localizable.strings
@@ -37,3 +37,8 @@
 "NT351 BPMF EMU" = "模拟逐字选字输入";
 "CNS11643 Mode" = "全字库模式";
 "Reboot vChewing…" = "重新启动输入法…";
+"auto" = "与系统设定一致";
+"en" = "英文";
+"zh-Hans" = "简体中文";
+"zh-Hant" = "繁体中文";
+"ja" = "和文";
diff --git a/Source/zh-Hans.lproj/preferences.strings b/Source/zh-Hans.lproj/preferences.strings
index 4e25b1cd..37951c0d 100644
--- a/Source/zh-Hans.lproj/preferences.strings
+++ b/Source/zh-Hans.lproj/preferences.strings
@@ -146,8 +146,8 @@
 /* Class = "NSButtonCell"; title = "Check for updates automatically"; ObjectID = "Z9t-P0-BLF"; */
 "Z9t-P0-BLF.title" = "自动检查软体更新";
 
-/* Class = "NSTextFieldCell"; title = "Change user interface language."; ObjectID = "ZEv-Q2-mYL"; */
-"ZEv-Q2-mYL.title" = "变更使用者介面语言。";
+/* Class = "NSTextFieldCell"; title = "Change user interface language (will reboot the IME)."; ObjectID = "ZEv-Q2-mYL"; */
+"ZEv-Q2-mYL.title" = "变更使用者介面语言，会自动重新启动输入法。";
 
 /* Class = "NSMenuItem"; title = "Simplified Chinese"; ObjectID = "akC-2g-ybz"; */
 "akC-2g-ybz.title" = "简体中文";
diff --git a/Source/zh-Hant.lproj/Localizable.strings b/Source/zh-Hant.lproj/Localizable.strings
index 6abccb63..79fa9be8 100644
--- a/Source/zh-Hant.lproj/Localizable.strings
+++ b/Source/zh-Hant.lproj/Localizable.strings
@@ -37,3 +37,8 @@
 "NT351 BPMF EMU" = "模擬逐字選字輸入";
 "CNS11643 Mode" = "全字庫模式";
 "Reboot vChewing…" = "重新啟動輸入法…";
+"auto" = "與系統設定一致";
+"en" = "英文";
+"zh-Hans" = "簡體中文";
+"zh-Hant" = "繁體中文";
+"ja" = "和文";
diff --git a/Source/zh-Hant.lproj/preferences.strings b/Source/zh-Hant.lproj/preferences.strings
index 9938b2d8..a894f35b 100644
--- a/Source/zh-Hant.lproj/preferences.strings
+++ b/Source/zh-Hant.lproj/preferences.strings
@@ -146,8 +146,8 @@
 /* Class = "NSButtonCell"; title = "Check for updates automatically"; ObjectID = "Z9t-P0-BLF"; */
 "Z9t-P0-BLF.title" = "自動檢查軟體更新";
 
-/* Class = "NSTextFieldCell"; title = "Change user interface language."; ObjectID = "ZEv-Q2-mYL"; */
-"ZEv-Q2-mYL.title" = "變更使用者介面語言。";
+/* Class = "NSTextFieldCell"; title = "Change user interface language (will reboot the IME)."; ObjectID = "ZEv-Q2-mYL"; */
+"ZEv-Q2-mYL.title" = "變更使用者介面語言，會自動重新啟動輸入法。";
 
 /* Class = "NSMenuItem"; title = "Simplified Chinese"; ObjectID = "akC-2g-ybz"; */
 "akC-2g-ybz.title" = "簡體中文";