diff --git a/Easydict/Swift/Feature/Localization/I18nHelper.swift b/Easydict/Swift/Feature/Localization/I18nHelper.swift
index 957bd7790..0b33e73b5 100644
--- a/Easydict/Swift/Feature/Localization/I18nHelper.swift
+++ b/Easydict/Swift/Feature/Localization/I18nHelper.swift
@@ -25,12 +25,23 @@ class I18nHelper: NSObject {
     }
 
     var localizeCode: String {
-        UserDefaults.standard.string(forKey: languagePreferenceLocalKey) ?? LanguageState.LanguageType
-            .simplifiedChinese.rawValue
+        if let code = UserDefaults.standard.string(forKey: languagePreferenceLocalKey) {
+          return code
+        }
+        
+        if let localLanguageType = LanguageState.LanguageType(rawValue: Locale.current.identifier) {
+            return localLanguageType.rawValue
+        }
+        
+        if Locale.current.identifier == "zh_CN" {
+            return LanguageState.LanguageType.simplifiedChinese.rawValue
+        }
+        
+        return LanguageState.LanguageType.english.rawValue
     }
 
     var languageType: LanguageState.LanguageType {
-        LanguageState.LanguageType(rawValue: localizeCode) ?? .simplifiedChinese
+        LanguageState.LanguageType(rawValue: localizeCode) ?? .english
     }
 
     var isSimplifiedChineseLocalize: Bool {
diff --git a/Easydict/Swift/Feature/Localization/LanguageState.swift b/Easydict/Swift/Feature/Localization/LanguageState.swift
index b780ec730..5ff231133 100644
--- a/Easydict/Swift/Feature/Localization/LanguageState.swift
+++ b/Easydict/Swift/Feature/Localization/LanguageState.swift
@@ -32,7 +32,7 @@ class LanguageState: ObservableObject {
     }
 
     @AppStorage(languagePreferenceLocalKey) var language: LanguageType = (.init(
-        rawValue: Locale.current.identifier
+        rawValue: I18nHelper.shared.localizeCode
     ) ?? .simplifiedChinese) {
         didSet {
             NotificationCenter.default.post(name: .languagePreferenceChanged, object: nil)