diff --git a/lib/lang.js b/lib/lang.js
index 61285514..64069b0c 100644
--- a/lib/lang.js
+++ b/lib/lang.js
@@ -22,34 +22,36 @@ export default lang
 
 /**
  * 获取当前语言字典
+ * 提升兼容性
  * @returns 不同语言对应字典
  */
 export function generateLocaleDict(langString) {
-  let userLocale = lang['en-US']
+  const supportedLocales = Object.keys(lang)
+  let userLocale
 
-  switch (langString.toLowerCase()) {
-    case 'zh-cn':
-    case 'zh-sg':
-      userLocale = lang['zh-CN']
-      break
-    case 'zh-hk':
-      userLocale = lang['zh-HK']
-      break
-    case 'zh-tw':
-      userLocale = lang['zh-TW']
-      break
-    case 'fr':
-      userLocale = lang['fr-FR']
-      break
-    case 'tr':
-      userLocale = lang['tr-TR']
-      break
-    case 'ja':
-      userLocale = lang['ja-JP']
-      break
-    default:
-      userLocale = lang['en-US']
+  // 将语言字符串拆分为语言和地区代码，例如将 "zh-CN" 拆分为 "zh" 和 "CN"
+  const [language, region] = langString.split(/[-_]/)
+
+  // 优先匹配语言和地区都匹配的情况
+  const specificLocale = `${language}-${region}`
+  if (supportedLocales.includes(specificLocale)) {
+    userLocale = lang[specificLocale]
   }
+
+  // 然后尝试匹配只有语言匹配的情况
+  if (!userLocale) {
+    const languageOnlyLocales = supportedLocales.filter(locale => locale.startsWith(language))
+    if (languageOnlyLocales.length > 0) {
+      userLocale = lang[languageOnlyLocales[0]]
+    }
+  }
+
+  // 如果还没匹配到，则返回最接近的语言包
+  if (!userLocale) {
+    const fallbackLocale = supportedLocales.find(locale => locale.startsWith('en'))
+    userLocale = lang[fallbackLocale]
+  }
+
   return mergeDeep({}, lang['en-US'], userLocale)
 }