diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1925d3f9a..04c157bdc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 ## [Unreleased]
 
+- DeepL Translator now supports languages such as Chinese Traditional.
+- User interaction experience optimization and improvement.
+- Bug fixes.
+- DeepL 翻译现已支持繁体中文等语言
+- 用户交互体验优化与改进
+- Bug 修复
+
 ## [3.6.4] (2024/07/23)
 
 - The GPT-4o mini is now available in the OpenAI Translator engine.
diff --git a/gradle.properties b/gradle.properties
index 430f0afad..e646ae9c0 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,7 +6,7 @@ pluginGroup = cn.yiiguxing.plugin.translate
 pluginRepositoryUrl = https://github.com/YiiGuxing/TranslationPlugin
 
 # SemVer format -> https://semver.org
-pluginMajorVersion = 3.6.4
+pluginMajorVersion = 3.6.5
 pluginPreReleaseVersion =
 pluginBuildMetadata =
 autoSnapshotVersion = true
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/Contract.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/Contract.kt
index 44c9d00f6..04fb28a68 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/Contract.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/Contract.kt
@@ -4,12 +4,11 @@
 package cn.yiiguxing.plugin.translate
 
 import cn.yiiguxing.plugin.translate.trans.Lang
+import cn.yiiguxing.plugin.translate.trans.SupportedLanguagesData
 import cn.yiiguxing.plugin.translate.trans.Translation
 import cn.yiiguxing.plugin.translate.trans.Translator
 import com.intellij.openapi.Disposable
 
-data class SupportedLanguages(val source: List<Lang>, val target: List<Lang>)
-
 interface Presenter {
 
     val translator: Translator
@@ -27,7 +26,7 @@ interface Presenter {
     /**
      * 已支持的语言
      */
-    val supportedLanguages: SupportedLanguages
+    val supportedLanguages: SupportedLanguagesData
 
     /**
      * 检测指定的源语言是否被支持
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/TranslationPresenter.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/TranslationPresenter.kt
index 9bbf79cad..ee890261e 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/TranslationPresenter.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/TranslationPresenter.kt
@@ -23,9 +23,9 @@ class TranslationPresenter(private val view: View, private val recordHistory: Bo
 
     override val primaryLanguage: Lang get() = translator.primaryLanguage
 
-    override val supportedLanguages: SupportedLanguages
+    override val supportedLanguages: SupportedLanguagesData
         get() = with(translator) {
-            SupportedLanguages(supportedSourceLanguages, supportedTargetLanguages)
+            SupportedLanguagesData(supportedSourceLanguages, supportedTargetLanguages)
         }
 
     override fun isSupportedSourceLanguage(sourceLanguage: Lang): Boolean {
@@ -44,6 +44,7 @@ class TranslationPresenter(private val view: View, private val recordHistory: Bo
         return when (settings.targetLanguageSelection) {
             DEFAULT -> Lang.AUTO.takeIf { isSupportedTargetLanguage(it) }
                 ?: if (text.isEmpty() || text.any(NON_LATIN_CONDITION)) Lang.ENGLISH else primaryLanguage
+
             PRIMARY_LANGUAGE -> primaryLanguage
             LAST -> states.lastLanguages.target.takeIf { isSupportedTargetLanguage(it) } ?: primaryLanguage
         }
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/LanguageAdapter.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/LanguageAdapter.kt
index effb3bbe3..1619d5338 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/LanguageAdapter.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/LanguageAdapter.kt
@@ -5,16 +5,6 @@ package cn.yiiguxing.plugin.translate.trans
  */
 interface LanguageAdapter {
 
-    /**
-     * List of supported source languages.
-     */
-    val supportedSourceLanguages: List<Lang>
-
-    /**
-     * List of supported target languages.
-     */
-    val supportedTargetLanguages: List<Lang>
-
     /**
      * Returns the [language][Lang] corresponding to the given [code].
      */
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/Languages.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/Languages.kt
index 371f54c88..c81668034 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/Languages.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/Languages.kt
@@ -85,7 +85,7 @@ enum class Lang(
     CHICHEWA("chichewa", "ny"),
 
     /** 中文 */
-    CHINESE("chinese", "zh-CN"),
+    CHINESE("chinese", "zh"),
 
     /** 粤语 */
     CHINESE_CANTONESE("chinese.cantonese", "zh-CANTONESE"),
@@ -93,6 +93,9 @@ enum class Lang(
     /** 文言文 */
     CHINESE_CLASSICAL("chinese.classical", "zh-CLASSICAL"),
 
+    /** 中文(简体) */
+    CHINESE_SIMPLIFIED("chinese.simplified", "zh-CN"),
+
     /** 中文(繁体) */
     CHINESE_TRADITIONAL("chinese.traditional", "zh-TW"),
 
@@ -459,7 +462,7 @@ enum class Lang(
                 return when (localeLanguage) {
                     Locale.CHINESE.language -> when (Locale.getDefault().country) {
                         "HK", "TW" -> CHINESE_TRADITIONAL
-                        else -> CHINESE
+                        else -> CHINESE_SIMPLIFIED
                     }
 
                     else -> values().find { Locale(it.code).language.equals(localeLanguage, ignoreCase = true) }
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/SupportedLanguages.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/SupportedLanguages.kt
new file mode 100644
index 000000000..b9633de43
--- /dev/null
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/SupportedLanguages.kt
@@ -0,0 +1,21 @@
+package cn.yiiguxing.plugin.translate.trans
+
+/**
+ * Supported languages.
+ */
+interface SupportedLanguages {
+    /**
+     * The supported source languages.
+     */
+    val sourceLanguages: List<Lang>
+
+    /**
+     * The supported target languages.
+     */
+    val targetLanguages: List<Lang>
+}
+
+data class SupportedLanguagesData(
+    override val sourceLanguages: List<Lang>,
+    override val targetLanguages: List<Lang>
+) : SupportedLanguages
\ No newline at end of file
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/ali/AliLanguageAdapter.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/ali/AliLanguageAdapter.kt
index 530c30664..04d4cbef6 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/ali/AliLanguageAdapter.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/ali/AliLanguageAdapter.kt
@@ -2,15 +2,16 @@ package cn.yiiguxing.plugin.translate.trans.ali
 
 import cn.yiiguxing.plugin.translate.trans.BaseLanguageAdapter
 import cn.yiiguxing.plugin.translate.trans.Lang
+import cn.yiiguxing.plugin.translate.trans.SupportedLanguages
 
 /**
  * Language adapter for Ali Translator.
  */
-object AliLanguageAdapter : BaseLanguageAdapter() {
+object AliLanguageAdapter : BaseLanguageAdapter(), SupportedLanguages {
 
-    override val supportedSourceLanguages: List<Lang> = listOf(
+    override val sourceLanguages: List<Lang> = listOf(
         Lang.AUTO,
-        Lang.CHINESE,
+        Lang.CHINESE_SIMPLIFIED,
         Lang.CHINESE_TRADITIONAL,
         Lang.ENGLISH,
         Lang.JAPANESE,
@@ -30,8 +31,8 @@ object AliLanguageAdapter : BaseLanguageAdapter() {
         Lang.HINDI
     )
 
-    override val supportedTargetLanguages: List<Lang> = listOf(
-        Lang.CHINESE,
+    override val targetLanguages: List<Lang> = listOf(
+        Lang.CHINESE_SIMPLIFIED,
         Lang.ENGLISH,
         Lang.JAPANESE,
         Lang.KOREAN,
@@ -49,7 +50,7 @@ object AliLanguageAdapter : BaseLanguageAdapter() {
     )
 
     override fun getAdaptedLanguages(): Map<String, Lang> = mapOf(
-        "zh" to Lang.CHINESE,
+        "zh" to Lang.CHINESE_SIMPLIFIED,
         "zh-tw" to Lang.CHINESE_TRADITIONAL,
         "yue" to Lang.CHINESE_CANTONESE,
         "fil" to Lang.FILIPINO,
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/ali/AliTranslator.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/ali/AliTranslator.kt
index 3b7f08bf6..0f324ab5e 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/ali/AliTranslator.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/ali/AliTranslator.kt
@@ -47,9 +47,9 @@ object AliTranslator : AbstractTranslator(), DocumentationTranslator {
     override val primaryLanguage: Lang
         get() = ALI.primaryLanguage
 
-    override val supportedSourceLanguages: List<Lang> = AliLanguageAdapter.supportedSourceLanguages
+    override val supportedSourceLanguages: List<Lang> = AliLanguageAdapter.sourceLanguages
 
-    override val supportedTargetLanguages: List<Lang> = AliLanguageAdapter.supportedTargetLanguages
+    override val supportedTargetLanguages: List<Lang> = AliLanguageAdapter.targetLanguages
 
     override fun checkConfiguration(force: Boolean): Boolean {
         if (force ||
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/baidu/BaiduLanguageAdapter.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/baidu/BaiduLanguageAdapter.kt
index 92fd00c13..0854a9bcb 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/baidu/BaiduLanguageAdapter.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/baidu/BaiduLanguageAdapter.kt
@@ -2,15 +2,16 @@ package cn.yiiguxing.plugin.translate.trans.baidu
 
 import cn.yiiguxing.plugin.translate.trans.BaseLanguageAdapter
 import cn.yiiguxing.plugin.translate.trans.Lang
+import cn.yiiguxing.plugin.translate.trans.SupportedLanguages
 
 /**
  * Language adapter for Baidu Translator.
  */
-object BaiduLanguageAdapter : BaseLanguageAdapter() {
+object BaiduLanguageAdapter : BaseLanguageAdapter(), SupportedLanguages {
 
     /** 通用版支持的语言列表 */
     private val SUPPORTED_LANGUAGES: List<Lang> = listOf(
-        Lang.CHINESE,
+        Lang.CHINESE_SIMPLIFIED,
         Lang.ENGLISH,
         Lang.CHINESE_TRADITIONAL,
         Lang.CHINESE_CANTONESE,
@@ -43,7 +44,7 @@ object BaiduLanguageAdapter : BaseLanguageAdapter() {
     /** 尊享版支持的语言列表 */
     @Suppress("unused")
     private val SUPPORTED_LANGUAGES_PRO: List<Lang> = listOf(
-        Lang.CHINESE,
+        Lang.CHINESE_SIMPLIFIED,
         Lang.ENGLISH,
         Lang.CHINESE_TRADITIONAL,
         Lang.CHINESE_CANTONESE,
@@ -123,11 +124,11 @@ object BaiduLanguageAdapter : BaseLanguageAdapter() {
         Lang.ARMENIAN,
     )
 
-    override val supportedSourceLanguages: List<Lang> = SUPPORTED_LANGUAGES
+    override val sourceLanguages: List<Lang> = SUPPORTED_LANGUAGES
         .toMutableList()
         .apply { add(0, Lang.AUTO) }
 
-    override val supportedTargetLanguages: List<Lang> = SUPPORTED_LANGUAGES
+    override val targetLanguages: List<Lang> = SUPPORTED_LANGUAGES
 
     override fun getAdaptedLanguages(): Map<String, Lang> = mapOf(
         "afr" to Lang.AFRIKAANS,
@@ -141,7 +142,7 @@ object BaiduLanguageAdapter : BaseLanguageAdapter() {
         "ben" to Lang.BENGALI,
         "bos" to Lang.BOSNIAN,
         "bul" to Lang.BULGARIAN,
-        "zh" to Lang.CHINESE,
+        "zh" to Lang.CHINESE_SIMPLIFIED,
         "cht" to Lang.CHINESE_TRADITIONAL,
         "wyw" to Lang.CHINESE_CLASSICAL,
         "yue" to Lang.CHINESE_CANTONESE,
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/baidu/BaiduTranslator.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/baidu/BaiduTranslator.kt
index aa5c41960..2508f6921 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/baidu/BaiduTranslator.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/baidu/BaiduTranslator.kt
@@ -41,9 +41,9 @@ object BaiduTranslator : AbstractTranslator() {
     override val primaryLanguage: Lang
         get() = BAIDU.primaryLanguage
 
-    override val supportedSourceLanguages: List<Lang> = BaiduLanguageAdapter.supportedSourceLanguages
+    override val supportedSourceLanguages: List<Lang> = BaiduLanguageAdapter.sourceLanguages
 
-    override val supportedTargetLanguages: List<Lang> = BaiduLanguageAdapter.supportedTargetLanguages
+    override val supportedTargetLanguages: List<Lang> = BaiduLanguageAdapter.targetLanguages
 
     private val errorMessageMap: Map<Int, String> by lazy {
         mapOf(
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/deepl/DeeplService.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/deepl/DeeplService.kt
index 414565c6b..cfed28d03 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/deepl/DeeplService.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/deepl/DeeplService.kt
@@ -13,7 +13,7 @@ import com.intellij.util.io.RequestBuilder
 class DeeplService(var authKey: String) {
 
     /**
-     * Determines if the given [DeepL Authentication Key][authKey] belongs to an API Free account.
+     * Determines if the given [DeepL Authentication Key][authKey] belongs to an API-Free account.
      */
     val isFreeAccount: Boolean get() = isFreeAccountAuthKey(authKey)
 
@@ -27,7 +27,7 @@ class DeeplService(var authKey: String) {
     private fun RequestBuilder.auth() {
         userAgent(Http.PLUGIN_USER_AGENT)
         // Authentication method should be header-based authentication,
-        // auth-key will leak into the log file if it is authenticated as a parameter.
+        // the auth-key will leak into the log file if it is authenticated as a parameter.
         tuner { it.setRequestProperty("Authorization", "DeepL-Auth-Key $authKey") }
     }
 
@@ -36,11 +36,11 @@ class DeeplService(var authKey: String) {
      */
     fun translate(text: String, sourceLang: Lang, targetLang: Lang, isDocument: Boolean): String {
         val params: LinkedHashMap<String, String> = linkedMapOf(
-            "target_lang" to targetLang.deeplLanguageCode,
+            "target_lang" to targetLang.deeplLanguageCodeForTarget,
             "text" to text
         )
         if (sourceLang !== Lang.AUTO) {
-            params["source_lang"] = sourceLang.deeplLanguageCode
+            params["source_lang"] = sourceLang.deeplLanguageCodeForSource
         }
         if (isDocument) {
             params["tag_handling"] = "html"
@@ -80,10 +80,10 @@ class DeeplService(var authKey: String) {
         private const val DEEPL_SERVER_URL_PRO = "https://api.deepl.com"
 
         /**
-         * Determines if the given [DeepL Authentication Key][authKey] belongs to an API Free account.
+         * Determines if the given [DeepL Authentication Key][authKey] belongs to an API-Free account.
          *
          * @param authKey DeepL Authentication Key as found in your [DeepL account](https://www.deepl.com/pro-account/).
-         * @return `true` if the Authentication Key belongs to an API Free account, otherwise `false`.
+         * @return `true` if the Authentication Key belongs to an API-Free account, otherwise `false`.
          */
         fun isFreeAccountAuthKey(authKey: String): Boolean = authKey.endsWith(":fx")
     }
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/deepl/DeeplLanguageAdapter.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/deepl/DeeplSupportedLanguages.kt
similarity index 62%
rename from src/main/kotlin/cn/yiiguxing/plugin/translate/trans/deepl/DeeplLanguageAdapter.kt
rename to src/main/kotlin/cn/yiiguxing/plugin/translate/trans/deepl/DeeplSupportedLanguages.kt
index 360c59260..7ed064984 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/deepl/DeeplLanguageAdapter.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/deepl/DeeplSupportedLanguages.kt
@@ -2,31 +2,38 @@ package cn.yiiguxing.plugin.translate.trans.deepl
 
 import cn.yiiguxing.plugin.translate.trans.BaseLanguageAdapter
 import cn.yiiguxing.plugin.translate.trans.Lang
+import cn.yiiguxing.plugin.translate.trans.SupportedLanguages
+
 
 /**
- * Language adapter for DeepL Translator.
+ * Supported languages for DeepL Translator.
  */
-object DeeplLanguageAdapter : BaseLanguageAdapter() {
-
-    override val supportedSourceLanguages: List<Lang> = listOf(
+object DeeplSupportedLanguages : SupportedLanguages {
+    /**
+     * The supported source languages.
+     */
+    override val sourceLanguages: List<Lang> = listOf(
         Lang.AUTO,
+        Lang.ARABIC,
         Lang.BULGARIAN,
         Lang.CHINESE,
         Lang.CZECH,
         Lang.DANISH,
         Lang.DUTCH,
-        Lang.GERMAN,
-        Lang.GREEK,
         Lang.ENGLISH,
         Lang.ESTONIAN,
         Lang.FINNISH,
         Lang.FRENCH,
+        Lang.GERMAN,
+        Lang.GREEK,
         Lang.HUNGARIAN,
+        Lang.INDONESIAN,
         Lang.ITALIAN,
         Lang.JAPANESE,
         Lang.KOREAN,
         Lang.LATVIAN,
         Lang.LITHUANIAN,
+        Lang.NORWEGIAN,
         Lang.POLISH,
         Lang.PORTUGUESE,
         Lang.ROMANIAN,
@@ -35,86 +42,116 @@ object DeeplLanguageAdapter : BaseLanguageAdapter() {
         Lang.SLOVENIAN,
         Lang.SPANISH,
         Lang.SWEDISH,
+        Lang.TURKISH,
         Lang.UKRAINIAN,
     )
 
-    override val supportedTargetLanguages: List<Lang> = listOf(
+    /**
+     * The supported target languages.
+     */
+    override val targetLanguages: List<Lang> = listOf(
+        Lang.ARABIC,
         Lang.BULGARIAN,
-        Lang.CHINESE,
+        Lang.CHINESE_SIMPLIFIED,
+        Lang.CHINESE_TRADITIONAL,
         Lang.CZECH,
         Lang.DANISH,
         Lang.DUTCH,
-        Lang.GERMAN,
-        Lang.GREEK,
-        Lang.ENGLISH,
         Lang.ENGLISH_AMERICAN,
         Lang.ENGLISH_BRITISH,
         Lang.ESTONIAN,
         Lang.FINNISH,
         Lang.FRENCH,
+        Lang.GERMAN,
+        Lang.GREEK,
         Lang.HUNGARIAN,
+        Lang.INDONESIAN,
         Lang.ITALIAN,
         Lang.JAPANESE,
         Lang.KOREAN,
         Lang.LATVIAN,
         Lang.LITHUANIAN,
+        Lang.NORWEGIAN,
         Lang.POLISH,
         Lang.PORTUGUESE,
         Lang.PORTUGUESE_BRAZILIAN,
-        Lang.PORTUGUESE_PORTUGUESE,
         Lang.ROMANIAN,
         Lang.RUSSIAN,
         Lang.SLOVAK,
         Lang.SLOVENIAN,
         Lang.SPANISH,
         Lang.SWEDISH,
+        Lang.TURKISH,
         Lang.UKRAINIAN,
     )
+}
 
+private val adapter = object : BaseLanguageAdapter() {
     override fun getAdaptedLanguages(): Map<String, Lang> = mapOf(
+        "AR" to Lang.ARABIC,
         "BG" to Lang.BULGARIAN,
         "ZH" to Lang.CHINESE,
+        "ZH-HANS" to Lang.CHINESE_SIMPLIFIED,
+        "ZH-HANT" to Lang.CHINESE_TRADITIONAL,
         "CS" to Lang.CZECH,
         "DA" to Lang.DANISH,
         "NL" to Lang.DUTCH,
-        "DE" to Lang.GERMAN,
-        "EL" to Lang.GREEK,
         "EN" to Lang.ENGLISH,
         "EN-US" to Lang.ENGLISH_AMERICAN,
         "EN-GB" to Lang.ENGLISH_BRITISH,
         "ET" to Lang.ESTONIAN,
         "FI" to Lang.FINNISH,
         "FR" to Lang.FRENCH,
+        "DE" to Lang.GERMAN,
+        "EL" to Lang.GREEK,
         "HU" to Lang.HUNGARIAN,
         "IT" to Lang.ITALIAN,
+        "ID" to Lang.INDONESIAN,
         "JA" to Lang.JAPANESE,
         "KO" to Lang.KOREAN,
         "LV" to Lang.LATVIAN,
         "LT" to Lang.LITHUANIAN,
+        "NB" to Lang.NORWEGIAN,
         "PL" to Lang.POLISH,
+
+        // PORTUGUESE is ambiguous, and the regions it
+        // represents differ between the source and target languages.
         "PT" to Lang.PORTUGUESE,
+        "PT-PT" to Lang.PORTUGUESE,
+
         "PT-BR" to Lang.PORTUGUESE_BRAZILIAN,
-        "PT-PT" to Lang.PORTUGUESE_PORTUGUESE,
         "RO" to Lang.ROMANIAN,
         "RU" to Lang.RUSSIAN,
         "SK" to Lang.SLOVAK,
         "SL" to Lang.SLOVENIAN,
         "ES" to Lang.SPANISH,
         "SV" to Lang.SWEDISH,
+        "TR" to Lang.TURKISH,
         "UK" to Lang.UKRAINIAN,
     )
 }
 
+/**
+ * Source Language Code for DeepL Translator.
+ */
+val Lang.deeplLanguageCodeForSource: String
+    get() = when (this) {
+        Lang.PORTUGUESE -> "PT"
+        else -> adapter.getLanguageCode(this)
+    }
 
 /**
- * Language code for DeepL Translator.
+ * Target Language Code for DeepL Translator.
  */
-val Lang.deeplLanguageCode: String
-    get() = DeeplLanguageAdapter.getLanguageCode(this)
+val Lang.deeplLanguageCodeForTarget: String
+    get() = when (this) {
+        Lang.PORTUGUESE -> "PT-PT"
+        else -> adapter.getLanguageCode(this)
+    }
 
 /**
  * Returns the [language][Lang] for the specified DeepL Translator language [code].
  */
 fun Lang.Companion.fromDeeplLanguageCode(code: String): Lang {
-    return DeeplLanguageAdapter.getLanguage(code)
+    return adapter.getLanguage(code)
 }
\ No newline at end of file
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/deepl/DeeplTranslator.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/deepl/DeeplTranslator.kt
index 344323c16..84a6c24f3 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/deepl/DeeplTranslator.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/deepl/DeeplTranslator.kt
@@ -33,9 +33,9 @@ object DeeplTranslator : AbstractTranslator(), DocumentationTranslator {
     override val primaryLanguage: Lang
         get() = DEEPL.primaryLanguage
 
-    override val supportedSourceLanguages: List<Lang> = DeeplLanguageAdapter.supportedSourceLanguages
+    override val supportedSourceLanguages: List<Lang> = DeeplSupportedLanguages.sourceLanguages
 
-    override val supportedTargetLanguages: List<Lang> = DeeplLanguageAdapter.supportedTargetLanguages
+    override val supportedTargetLanguages: List<Lang> = DeeplSupportedLanguages.targetLanguages
 
     override fun checkConfiguration(force: Boolean): Boolean {
         if (force || !DeeplCredential.isAuthKeySet) {
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/google/GoogleLanguageAdapter.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/google/GoogleLanguageAdapter.kt
index d19207320..e73ee08d7 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/google/GoogleLanguageAdapter.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/google/GoogleLanguageAdapter.kt
@@ -2,15 +2,17 @@ package cn.yiiguxing.plugin.translate.trans.google
 
 import cn.yiiguxing.plugin.translate.trans.BaseLanguageAdapter
 import cn.yiiguxing.plugin.translate.trans.Lang
+import cn.yiiguxing.plugin.translate.trans.SupportedLanguages
 
 /**
  * Language adapter for Google Translator.
  */
-object GoogleLanguageAdapter : BaseLanguageAdapter() {
+object GoogleLanguageAdapter : BaseLanguageAdapter(), SupportedLanguages {
 
     private val UNSUPPORTED_LANGUAGES: Set<Lang> = setOf(
         Lang.ASSAMESE,
         Lang.BASHKIR,
+        Lang.CHINESE, // 己俱体分为 `中文（简体）`
         Lang.CHINESE_CANTONESE,
         Lang.CHINESE_CLASSICAL,
         Lang.DARI,
@@ -35,10 +37,9 @@ object GoogleLanguageAdapter : BaseLanguageAdapter() {
 
     override fun getAdaptedLanguages(): Map<String, Lang> = mapOf()
 
-    override val supportedSourceLanguages: List<Lang> = (Lang.sortedLanguages - UNSUPPORTED_LANGUAGES).toList()
+    override val sourceLanguages: List<Lang> = (Lang.sortedLanguages - UNSUPPORTED_LANGUAGES).toList()
 
-    override val supportedTargetLanguages: List<Lang> =
-        (Lang.sortedLanguages - UNSUPPORTED_LANGUAGES - Lang.AUTO).toList()
+    override val targetLanguages: List<Lang> = (Lang.sortedLanguages - UNSUPPORTED_LANGUAGES - Lang.AUTO).toList()
 }
 
 
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/google/GoogleTranslator.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/google/GoogleTranslator.kt
index d928e4f8e..aadd7fdf8 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/google/GoogleTranslator.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/google/GoogleTranslator.kt
@@ -44,9 +44,9 @@ object GoogleTranslator : AbstractTranslator(), DocumentationTranslator {
     override val primaryLanguage: Lang
         get() = GOOGLE.primaryLanguage
 
-    override val supportedSourceLanguages: List<Lang> = GoogleLanguageAdapter.supportedSourceLanguages
+    override val supportedSourceLanguages: List<Lang> = GoogleLanguageAdapter.sourceLanguages
 
-    override val supportedTargetLanguages: List<Lang> = GoogleLanguageAdapter.supportedTargetLanguages
+    override val supportedTargetLanguages: List<Lang> = GoogleLanguageAdapter.targetLanguages
 
 
     override fun doTranslate(text: String, srcLang: Lang, targetLang: Lang): Translation {
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/microsoft/MicrosoftLanguageAdapter.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/microsoft/MicrosoftLanguageAdapter.kt
index 9b9942fa8..c49623579 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/microsoft/MicrosoftLanguageAdapter.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/microsoft/MicrosoftLanguageAdapter.kt
@@ -2,16 +2,18 @@ package cn.yiiguxing.plugin.translate.trans.microsoft
 
 import cn.yiiguxing.plugin.translate.trans.BaseLanguageAdapter
 import cn.yiiguxing.plugin.translate.trans.Lang
+import cn.yiiguxing.plugin.translate.trans.SupportedLanguages
 
 /**
  * Language adapter for Microsoft Translator.
  */
-internal object MicrosoftLanguageAdapter : BaseLanguageAdapter() {
+internal object MicrosoftLanguageAdapter : BaseLanguageAdapter(), SupportedLanguages {
 
     private val UNSUPPORTED_LANGUAGES: Set<Lang> = setOf(
         Lang.BELARUSIAN,
         Lang.CEBUANO,
         Lang.CHICHEWA,
+        Lang.CHINESE, // 己俱体分为 `中文（简体）` 和 `中文（繁体）` 等
         Lang.CORSICAN,
         Lang.ENGLISH_AMERICAN,
         Lang.ENGLISH_BRITISH,
@@ -44,7 +46,7 @@ internal object MicrosoftLanguageAdapter : BaseLanguageAdapter() {
     override fun getAdaptedLanguages(): Map<String, Lang> = mapOf(
         "yue" to Lang.CHINESE_CANTONESE,
         "lzh" to Lang.CHINESE_CLASSICAL,
-        "zh-Hans" to Lang.CHINESE,
+        "zh-Hans" to Lang.CHINESE_SIMPLIFIED,
         "zh-Hant" to Lang.CHINESE_TRADITIONAL,
         "fil" to Lang.FILIPINO,
         "he" to Lang.HEBREW,
@@ -56,10 +58,9 @@ internal object MicrosoftLanguageAdapter : BaseLanguageAdapter() {
         "pt" to Lang.PORTUGUESE_BRAZILIAN,
     )
 
-    override val supportedSourceLanguages: List<Lang> = (Lang.sortedLanguages - UNSUPPORTED_LANGUAGES).toList()
+    override val sourceLanguages: List<Lang> = (Lang.sortedLanguages - UNSUPPORTED_LANGUAGES).toList()
 
-    override val supportedTargetLanguages: List<Lang> =
-        (Lang.sortedLanguages - UNSUPPORTED_LANGUAGES - Lang.AUTO).toList()
+    override val targetLanguages: List<Lang> = (Lang.sortedLanguages - UNSUPPORTED_LANGUAGES - Lang.AUTO).toList()
 }
 
 
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/microsoft/MicrosoftTranslator.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/microsoft/MicrosoftTranslator.kt
index 31b69d758..a459759bb 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/microsoft/MicrosoftTranslator.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/microsoft/MicrosoftTranslator.kt
@@ -28,8 +28,8 @@ object MicrosoftTranslator : AbstractTranslator(), DocumentationTranslator {
     override val intervalLimit: Int = MICROSOFT.intervalLimit
     override val contentLengthLimit: Int = MICROSOFT.contentLengthLimit
     override val primaryLanguage: Lang get() = MICROSOFT.primaryLanguage
-    override val supportedSourceLanguages: List<Lang> = MicrosoftLanguageAdapter.supportedSourceLanguages
-    override val supportedTargetLanguages: List<Lang> = MicrosoftLanguageAdapter.supportedTargetLanguages
+    override val supportedSourceLanguages: List<Lang> = MicrosoftLanguageAdapter.sourceLanguages
+    override val supportedTargetLanguages: List<Lang> = MicrosoftLanguageAdapter.targetLanguages
 
     override fun doTranslate(text: String, srcLang: Lang, targetLang: Lang): Translation {
         if (!targetLang.isExplicit()) {
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/openai/OpenAiLanguages.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/openai/OpenAiLanguages.kt
index a4c3d2f2a..c7529825e 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/openai/OpenAiLanguages.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/openai/OpenAiLanguages.kt
@@ -6,7 +6,7 @@ internal object OpenAiLanguages {
 
     val languageMap = linkedMapOf(
         Lang.ENGLISH to "English",
-        Lang.CHINESE to "Simplified Chinese",
+        Lang.CHINESE_SIMPLIFIED to "Simplified Chinese",
         Lang.CHINESE_TRADITIONAL to "Traditional Chinese",
         Lang.JAPANESE to "Japanese",
         Lang.KOREAN to "Korean",
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/youdao/YoudaoLanguageAdapter.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/youdao/YoudaoLanguageAdapter.kt
index 49cd46f84..5c6906d97 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/youdao/YoudaoLanguageAdapter.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/youdao/YoudaoLanguageAdapter.kt
@@ -2,15 +2,16 @@ package cn.yiiguxing.plugin.translate.trans.youdao
 
 import cn.yiiguxing.plugin.translate.trans.BaseLanguageAdapter
 import cn.yiiguxing.plugin.translate.trans.Lang
+import cn.yiiguxing.plugin.translate.trans.SupportedLanguages
 
 /**
  * Language adapter for Youdao Translator.
  */
-object YoudaoLanguageAdapter : BaseLanguageAdapter() {
+object YoudaoLanguageAdapter : BaseLanguageAdapter(), SupportedLanguages {
 
     private val SUPPORTED_LANGUAGES: List<Lang> = listOf(
         Lang.AUTO,
-        Lang.CHINESE,
+        Lang.CHINESE_SIMPLIFIED,
         Lang.CHINESE_TRADITIONAL,
         Lang.ENGLISH,
         Lang.JAPANESE,
@@ -28,12 +29,12 @@ object YoudaoLanguageAdapter : BaseLanguageAdapter() {
         Lang.ARABIC,
     )
 
-    override val supportedSourceLanguages: List<Lang> = SUPPORTED_LANGUAGES
+    override val sourceLanguages: List<Lang> = SUPPORTED_LANGUAGES
 
-    override val supportedTargetLanguages: List<Lang> = SUPPORTED_LANGUAGES
+    override val targetLanguages: List<Lang> = SUPPORTED_LANGUAGES
 
     override fun getAdaptedLanguages(): Map<String, Lang> = mapOf(
-        "zh-CHS" to Lang.CHINESE,
+        "zh-CHS" to Lang.CHINESE_SIMPLIFIED,
         "zh-CHT" to Lang.CHINESE_TRADITIONAL,
     )
 
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/youdao/YoudaoTranslator.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/youdao/YoudaoTranslator.kt
index 679af8f16..52591c292 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/youdao/YoudaoTranslator.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/trans/youdao/YoudaoTranslator.kt
@@ -44,9 +44,9 @@ object YoudaoTranslator : AbstractTranslator(), DocumentationTranslator {
     override val primaryLanguage: Lang
         get() = YOUDAO.primaryLanguage
 
-    override val supportedSourceLanguages: List<Lang> = YoudaoLanguageAdapter.supportedSourceLanguages
+    override val supportedSourceLanguages: List<Lang> = YoudaoLanguageAdapter.sourceLanguages
 
-    override val supportedTargetLanguages: List<Lang> = YoudaoLanguageAdapter.supportedTargetLanguages
+    override val supportedTargetLanguages: List<Lang> = YoudaoLanguageAdapter.targetLanguages
 
     private val errorMessageMap: Map<Int, String> by lazy {
         mapOf(
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/tts/GoogleTTSPlayer.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/tts/GoogleTTSPlayer.kt
index 4b38cd5d3..891376f21 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/tts/GoogleTTSPlayer.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/tts/GoogleTTSPlayer.kt
@@ -86,7 +86,7 @@ class GoogleTTSPlayer private constructor(
         private const val MAX_TEXT_LENGTH = 200
 
         private val SUPPORTED_LANGUAGES: List<Lang> = listOf(
-            Lang.CHINESE, Lang.ENGLISH, Lang.CHINESE_TRADITIONAL, Lang.ALBANIAN, Lang.ARABIC, Lang.ESTONIAN,
+            Lang.CHINESE_SIMPLIFIED, Lang.ENGLISH, Lang.CHINESE_TRADITIONAL, Lang.ALBANIAN, Lang.ARABIC, Lang.ESTONIAN,
             Lang.ICELANDIC, Lang.POLISH, Lang.BOSNIAN, Lang.AFRIKAANS, Lang.DANISH, Lang.GERMAN, Lang.RUSSIAN,
             Lang.FRENCH, Lang.FINNISH, Lang.KHMER, Lang.KOREAN, Lang.DUTCH, Lang.CATALAN, Lang.CZECH, Lang.CROATIAN,
             Lang.LATIN, Lang.LATVIAN, Lang.ROMANIAN, Lang.MACEDONIAN, Lang.BENGALI, Lang.NEPALI, Lang.NORWEGIAN,
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/tts/microsoft/EdgeTTSVoiceManager.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/tts/microsoft/EdgeTTSVoiceManager.kt
index 5852a5159..76f501a59 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/tts/microsoft/EdgeTTSVoiceManager.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/tts/microsoft/EdgeTTSVoiceManager.kt
@@ -165,7 +165,7 @@ internal object EdgeTTSVoiceManager {
         BENGALI to "bn-IN",
         BULGARIAN to "bg-BG",
         CATALAN to "ca-ES",
-        CHINESE to "zh-CN",
+        CHINESE_SIMPLIFIED to "zh-CN",
         CHINESE_CANTONESE to "zh-HK",
         CHINESE_TRADITIONAL to "zh-CN",
         CROATIAN to "hr-HR",
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/ui/TranslationWidget.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/ui/TranslationWidget.kt
index 6723f45c3..441cbbe0c 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/ui/TranslationWidget.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/ui/TranslationWidget.kt
@@ -25,9 +25,11 @@ import com.intellij.openapi.wm.impl.status.TextPanel.WithIconAndArrows
 import com.intellij.ui.ClickListener
 import com.intellij.ui.GotItTooltip
 import com.intellij.ui.awt.RelativePoint
+import com.intellij.util.concurrency.AppExecutorUtil
 import org.jetbrains.concurrency.runAsync
 import java.awt.Point
 import java.awt.event.MouseEvent
+import java.util.concurrent.TimeUnit
 import javax.swing.JComponent
 
 /**
@@ -102,13 +104,19 @@ class TranslationWidget(private val project: Project) : WithIconAndArrows(), Ico
         project.messageBus
             .connect(disposable)
             .subscribe(UpdateListener.TOPIC, object : UpdateListener {
-                override fun onPostUpdate() {
+                override fun onPostUpdate(hasUpdate: Boolean) {
                     Disposer.dispose(disposable)
-                    if (project.isDisposed) {
-                        return
+                    val runnable = {
+                        if (!project.isDisposed) {
+                            DumbService.getInstance(project).smartInvokeLater {
+                                showGotItTooltipIfNeed()
+                            }
+                        }
                     }
-                    DumbService.getInstance(project).smartInvokeLater {
-                        showGotItTooltipIfNeed()
+                    if (hasUpdate) {
+                        AppExecutorUtil.getAppScheduledExecutorService().schedule(runnable, 1, TimeUnit.SECONDS)
+                    } else {
+                        runnable()
                     }
                 }
             })
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/update/UpdateListener.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/update/UpdateListener.kt
index 512453099..3cda48cb5 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/update/UpdateListener.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/update/UpdateListener.kt
@@ -8,7 +8,7 @@ interface UpdateListener {
      * Called after the update check is completed. If the update notification is shown,
      * this method will be called after the notification is closed.
      */
-    fun onPostUpdate() {}
+    fun onPostUpdate(hasUpdate: Boolean) {}
 
     companion object {
         @Topic.AppLevel
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/update/UpdateManager.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/update/UpdateManager.kt
index aab251659..bca3c0783 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/update/UpdateManager.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/update/UpdateManager.kt
@@ -68,14 +68,14 @@ class UpdateManager : BaseStartupActivity(true) {
         val properties: PropertiesComponent = PropertiesComponent.getInstance()
         val lastVersionString = properties.getValue(VERSION_PROPERTY, Version.INITIAL_VERSION)
         if (versionString == lastVersionString) {
-            onPostUpdate()
+            onPostUpdate(false)
             return
         }
 
         val version = Version(versionString)
         val lastVersion = Version.getOrElse(lastVersionString) { Version() }
         if (version.isSameVersion(lastVersion)) {
-            onPostUpdate()
+            onPostUpdate(false)
             return
         }
 
@@ -141,7 +141,7 @@ class UpdateManager : BaseStartupActivity(true) {
                         WhatsNew.browse(project, version)
                     }
                 }
-                onPostUpdate()
+                onPostUpdate(true)
             }
 
         invokeLaterIfNeeded(expired = project.disposed) {
@@ -203,9 +203,9 @@ class UpdateManager : BaseStartupActivity(true) {
         return true
     }
 
-    private fun onPostUpdate() {
+    private fun onPostUpdate(hasUpdate: Boolean) {
         invokeLaterIfNeeded {
-            Application.messageBus.syncPublisher(UpdateListener.TOPIC).onPostUpdate()
+            Application.messageBus.syncPublisher(UpdateListener.TOPIC).onPostUpdate(hasUpdate)
         }
     }
 
diff --git a/src/main/kotlin/cn/yiiguxing/plugin/translate/wordbook/WordBookService.kt b/src/main/kotlin/cn/yiiguxing/plugin/translate/wordbook/WordBookService.kt
index 5320d243e..d46c2654a 100644
--- a/src/main/kotlin/cn/yiiguxing/plugin/translate/wordbook/WordBookService.kt
+++ b/src/main/kotlin/cn/yiiguxing/plugin/translate/wordbook/WordBookService.kt
@@ -636,11 +636,13 @@ class WordBookService : Disposable {
 
         private inline fun <T> lock(block: () -> T): T {
             return RandomAccessFile(LOCK_FILE.toFile(), "rw").use { lockFile ->
-                val lock = lockFile.channel.lock()
-                try {
-                    block()
-                } finally {
-                    lock.release()
+                synchronized(LOCK_FILE) {
+                    val lock = lockFile.channel.lock()
+                    try {
+                        block()
+                    } finally {
+                        lock.release()
+                    }
                 }
             }
         }
diff --git a/src/main/resources/messages/LanguageBundle.properties b/src/main/resources/messages/LanguageBundle.properties
index af146c542..c2959b2d4 100644
--- a/src/main/resources/messages/LanguageBundle.properties
+++ b/src/main/resources/messages/LanguageBundle.properties
@@ -16,9 +16,10 @@ bulgarian=Bulgarian
 catalan=Catalan
 cebuano=Cebuano
 chichewa=Chichewa
-chinese=Chinese (Simplified)
+chinese=Chinese
 chinese.cantonese=Chinese (Cantonese)
 chinese.classical=Chinese (Classical)
+chinese.simplified=Chinese (Simplified)
 chinese.traditional=Chinese (Traditional)
 corsican=Corsican
 croatian=Croatian
diff --git a/src/main/resources/messages/LanguageBundle_ja.properties b/src/main/resources/messages/LanguageBundle_ja.properties
index 07666463b..5f79d4f71 100644
--- a/src/main/resources/messages/LanguageBundle_ja.properties
+++ b/src/main/resources/messages/LanguageBundle_ja.properties
@@ -16,9 +16,10 @@ bulgarian=ブルガリア語
 catalan=カタロニア語
 cebuano=セブアノ語
 chichewa=チェワ語
-chinese=中国語（簡体字）
+chinese=中国語
 chinese.cantonese=中国語（広東語）
 chinese.classical=中国語（漢文）
+chinese.simplified=中国語（簡体字）
 chinese.traditional=中国語（繁体字）
 corsican=コルシカ語
 croatian=クロアチア語
diff --git a/src/main/resources/messages/LanguageBundle_ko.properties b/src/main/resources/messages/LanguageBundle_ko.properties
index 3c3c9961b..a58d06e6f 100644
--- a/src/main/resources/messages/LanguageBundle_ko.properties
+++ b/src/main/resources/messages/LanguageBundle_ko.properties
@@ -16,9 +16,10 @@ bulgarian=불가리아어
 catalan=카탈로니아어
 cebuano=세부아노어
 chichewa=체와어
-chinese=중국어(간체)
+chinese=중국어
 chinese.cantonese=중국어(광동어)
 chinese.classical=중국어(전통)
+chinese.simplified=중국어(간체)
 chinese.traditional=중국어(번체)
 corsican=코르시카어
 croatian=크로아티아어
diff --git a/src/main/resources/messages/LanguageBundle_zh_CN.properties b/src/main/resources/messages/LanguageBundle_zh_CN.properties
index 91fe94618..5b1691768 100644
--- a/src/main/resources/messages/LanguageBundle_zh_CN.properties
+++ b/src/main/resources/messages/LanguageBundle_zh_CN.properties
@@ -16,9 +16,10 @@ bulgarian=保加利亚语
 catalan=加泰罗尼亚语
 cebuano=宿务语
 chichewa=齐切瓦语
-chinese=中文（简体）
+chinese=中文
 chinese.cantonese=粤语
 chinese.classical=文言文
+chinese.simplified=中文（简体）
 chinese.traditional=中文（繁体）
 corsican=科西嘉语
 croatian=克罗地亚语
diff --git a/src/test/kotlin/cn/yiiguxing/plugin/translate/ui/TranslationUiTest.kt b/src/test/kotlin/cn/yiiguxing/plugin/translate/ui/TranslationUiTest.kt
index 8d060242c..5cd1eff98 100644
--- a/src/test/kotlin/cn/yiiguxing/plugin/translate/ui/TranslationUiTest.kt
+++ b/src/test/kotlin/cn/yiiguxing/plugin/translate/ui/TranslationUiTest.kt
@@ -14,8 +14,8 @@ fun main() = uiTest("Translation UI Test", 500, 300/*, true*/) {
     val ui = TranslationDialogUiImpl(null, TranslationDialogUiProvider.testProvider())
     val mainPanel = ui.createMainPanel()
 
-    ui.sourceLangComboBox.model = LanguageListModel.simple(listOf(Lang.AUTO, Lang.ENGLISH, Lang.CHINESE))
-    ui.targetLangComboBox.model = LanguageListModel.simple(listOf(Lang.CHINESE, Lang.ENGLISH))
+    ui.sourceLangComboBox.model = LanguageListModel.simple(listOf(Lang.AUTO, Lang.ENGLISH, Lang.CHINESE_SIMPLIFIED))
+    ui.targetLangComboBox.model = LanguageListModel.simple(listOf(Lang.CHINESE_SIMPLIFIED, Lang.ENGLISH))
 
     ui.initFonts(UI.FontPair(UI.defaultFont, UI.defaultFont.lessOn(2f)))
 
@@ -26,7 +26,7 @@ fun main() = uiTest("Translation UI Test", 500, 300/*, true*/) {
     ui.targetTransliterationLabel.text = "Fānyì"
 
     val googleTranslation = createGoogleTranslation()
-    val translation = googleTranslation.toTranslation().copy(srcLang = Lang.CHINESE)
+    val translation = googleTranslation.toTranslation().copy(srcLang = Lang.CHINESE_SIMPLIFIED)
     ui.spellComponent.spell = "translation"
     ui.fixLangComponent.updateOnTranslation(translation)
 
@@ -57,7 +57,7 @@ fun createDummyYoudaoTranslation(): YoudaoTranslation = YoudaoTranslation(
 fun createGoogleTranslation(): GoogleTranslation = GoogleTranslation(
     "translation",
     Lang.ENGLISH,
-    Lang.CHINESE,
+    Lang.CHINESE_SIMPLIFIED,
     listOf(GTransSentence("translation", "翻译", 2), GTranslitSentence("transˈlāSH(ə)n", "Fānyì")),
     listOf(
         GDict(