diff --git a/src/MaaWpfGui/Res/Localizations/en-us.xaml b/src/MaaWpfGui/Res/Localizations/en-us.xaml
index 2a88f119a5..19b5af7bbd 100644
--- a/src/MaaWpfGui/Res/Localizations/en-us.xaml
+++ b/src/MaaWpfGui/Res/Localizations/en-us.xaml
@@ -411,6 +411,7 @@ Only supports Official(CN) and Bilibili server. Login account is not supported.<
     <system:String x:Key="OperNameLanguage">Operator display language</system:String>
     <system:String x:Key="OperNameLanguageMAA">Follow MAA</system:String>
     <system:String x:Key="OperNameLanguageClient">Follow game client</system:String>
+    <system:String x:Key="OperNameLanguageForce">Force use of specified language</system:String>
     <system:String x:Key="Light">Light</system:String>
     <system:String x:Key="Dark">Dark</system:String>
     <system:String x:Key="SyncWithOs">Sync with OS</system:String>
diff --git a/src/MaaWpfGui/Res/Localizations/ja-jp.xaml b/src/MaaWpfGui/Res/Localizations/ja-jp.xaml
index d02291b974..16db094323 100644
--- a/src/MaaWpfGui/Res/Localizations/ja-jp.xaml
+++ b/src/MaaWpfGui/Res/Localizations/ja-jp.xaml
@@ -410,6 +410,7 @@
     <system:String x:Key="OperNameLanguage">オペレーター名の表示言語</system:String>
     <system:String x:Key="OperNameLanguageMAA">MAAをフォローする</system:String>
     <system:String x:Key="OperNameLanguageClient">ゲームクライアントをフォローする</system:String>
+    <system:String x:Key="OperNameLanguageForce">指定された言語を強制的に使用する</system:String>
     <system:String x:Key="Light">ライトモード</system:String>
     <system:String x:Key="Dark">ダークモード</system:String>
     <system:String x:Key="SyncWithOs">OSと同期する</system:String>
diff --git a/src/MaaWpfGui/Res/Localizations/ko-kr.xaml b/src/MaaWpfGui/Res/Localizations/ko-kr.xaml
index 84d72eb2f5..f1c3bce440 100644
--- a/src/MaaWpfGui/Res/Localizations/ko-kr.xaml
+++ b/src/MaaWpfGui/Res/Localizations/ko-kr.xaml
@@ -410,6 +410,7 @@ OF-1을 해금하지 않았다면 선택하지 말아 주세요.</system:String>
     <system:String x:Key="OperNameLanguage">간부 이름 표시 언어</system:String>
     <system:String x:Key="OperNameLanguageMAA">MAA 따라가기</system:String>
     <system:String x:Key="OperNameLanguageClient">게임 클라이언트 따라가기</system:String>
+    <system:String x:Key="OperNameLanguageForce">지정된 언어를 강제로 사용</system:String>
     <system:String x:Key="Light">라이트</system:String>
     <system:String x:Key="Dark">다크</system:String>
     <system:String x:Key="SyncWithOs">시스템 연동</system:String>
diff --git a/src/MaaWpfGui/Res/Localizations/zh-cn.xaml b/src/MaaWpfGui/Res/Localizations/zh-cn.xaml
index d604c64950..67bb505444 100644
--- a/src/MaaWpfGui/Res/Localizations/zh-cn.xaml
+++ b/src/MaaWpfGui/Res/Localizations/zh-cn.xaml
@@ -411,6 +411,7 @@
     <system:String x:Key="OperNameLanguage">干员名称显示语言</system:String>
     <system:String x:Key="OperNameLanguageMAA">跟随MAA</system:String>
     <system:String x:Key="OperNameLanguageClient">跟随游戏客户端</system:String>
+    <system:String x:Key="OperNameLanguageForce">强制使用指定语言</system:String>
     <system:String x:Key="Light">亮色</system:String>
     <system:String x:Key="Dark">暗色</system:String>
     <system:String x:Key="SyncWithOs">与系统同步</system:String>
diff --git a/src/MaaWpfGui/Res/Localizations/zh-tw.xaml b/src/MaaWpfGui/Res/Localizations/zh-tw.xaml
index 2fb72d9de2..ba49f07911 100644
--- a/src/MaaWpfGui/Res/Localizations/zh-tw.xaml
+++ b/src/MaaWpfGui/Res/Localizations/zh-tw.xaml
@@ -401,6 +401,7 @@
     <system:String x:Key="OperNameLanguage">幹員名稱顯示語言</system:String>
     <system:String x:Key="OperNameLanguageMAA">跟隨MAA</system:String>
     <system:String x:Key="OperNameLanguageClient">跟隨遊戲客戶端</system:String>
+    <system:String x:Key="OperNameLanguageForce">強制使用指定語言</system:String>
     <system:String x:Key="Light">亮色</system:String>
     <system:String x:Key="Dark">暗色</system:String>
     <system:String x:Key="SyncWithOs">與系統同步</system:String>
diff --git a/src/MaaWpfGui/ViewModels/UI/CopilotViewModel.cs b/src/MaaWpfGui/ViewModels/UI/CopilotViewModel.cs
index 8c3b0c9a43..289c4b2ae4 100644
--- a/src/MaaWpfGui/ViewModels/UI/CopilotViewModel.cs
+++ b/src/MaaWpfGui/ViewModels/UI/CopilotViewModel.cs
@@ -409,7 +409,8 @@ namespace MaaWpfGui.ViewModels.UI
                         if (json.TryGetValue("buff", out var buffValue))
                         {
                             string buffLog = LocalizationHelper.GetString("DirectiveECTerm");
-                            AddLog(buffLog + DataHelper.GetLocalizedCharacterName((string?)buffValue), UiLogColor.Message, showTime: false);
+                            string? localizedBuffName = DataHelper.GetLocalizedCharacterName((string?)buffValue);
+                            AddLog(buffLog + (string.IsNullOrEmpty(localizedBuffName) ? (string?)buffValue : localizedBuffName), UiLogColor.Message, showTime: false);
                         }
 
                         if (json.TryGetValue("tool_men", out var toolMenValue))
diff --git a/src/MaaWpfGui/ViewModels/UI/RecognizerViewModel.cs b/src/MaaWpfGui/ViewModels/UI/RecognizerViewModel.cs
index 97bbfeffcb..24e1e5b6dd 100644
--- a/src/MaaWpfGui/ViewModels/UI/RecognizerViewModel.cs
+++ b/src/MaaWpfGui/ViewModels/UI/RecognizerViewModel.cs
@@ -514,8 +514,8 @@ namespace MaaWpfGui.ViewModels.UI
         /// <summary>
         /// 未实装干员，但在battle_data中，
         /// </summary>
-        private static readonly HashSet<string> _virtuallyOpers = new HashSet<string>
-        {
+        private static readonly HashSet<string?> _virtuallyOpers =
+        [
             "char_504_rguard",
             "char_505_rcast",
             "char_506_rmedic",
@@ -527,8 +527,8 @@ namespace MaaWpfGui.ViewModels.UI
             "char_509_acast",
             "char_508_aguard",
             "char_1001_amiya2",
-            "char_1037_amiya3",
-        };
+            "char_1037_amiya3"
+        ];
 
         private string _operBoxInfo = LocalizationHelper.GetString("OperBoxRecognitionTip");
 
@@ -585,11 +585,6 @@ namespace MaaWpfGui.ViewModels.UI
         {
             get
             {
-                if (OperBoxDataArray == null)
-                {
-                    return null;
-                }
-
                 if (_operBoxPotential != null)
                 {
                     return _operBoxPotential;
@@ -612,39 +607,26 @@ namespace MaaWpfGui.ViewModels.UI
 
         public bool OperBoxParse(JObject details)
         {
-            var operBoxes = (JArray)details["all_opers"];
+            var operBoxes = (JArray?)details["all_opers"];
+
+            if (operBoxes == null)
+            {
+                return false;
+            }
 
             List<Tuple<string, int>> operHave = [];
             List<Tuple<string, int>> operNotHave = [];
 
-            string localizedName = ConfigurationHelper.GetValue(ConfigurationKeys.OperNameLanguage, string.Empty) == "OperNameLanguageClient" ?
-                ConfigurationHelper.GetValue(ConfigurationKeys.ClientType, string.Empty) switch
-            {
-                "Official" => "name",
-                "Bilibili" => "name",
-                "YoStarJP" => "name_jp",
-                "YoStarKR" => "name_kr",
-                "txwy" => "name_tw",
-                _ => "name_en",
-            } : ConfigurationHelper.GetValue(ConfigurationKeys.Localization, string.Empty) switch
-            {
-                "zh-cn" => "name",
-                "ja-jp" => "name_jp",
-                "ko-kr" => "name_kr",
-                "zh-tw" => "name_tw",
-                _ => "name_en",
-            };
-
             foreach (JObject operBox in operBoxes.Cast<JObject>())
             {
-                var tuple = new Tuple<string, int>((string)operBox[localizedName], (int)operBox["rarity"]);
+                var tuple = new Tuple<string, int>(DataHelper.GetLocalizedCharacterName((string?)operBox["name"]) ?? "???", (int)(operBox["rarity"] ?? -1));
 
-                if (_virtuallyOpers.Contains((string)operBox["id"]))
+                if (_virtuallyOpers.Contains((string?)operBox["id"]))
                 {
                     continue;
                 }
 
-                if ((bool)operBox["own"])
+                if ((bool)(operBox["own"] ?? false))
                 {
                     /*已拥有干员*/
                     operHave.Add(tuple);
@@ -688,13 +670,13 @@ namespace MaaWpfGui.ViewModels.UI
                 newlineFlag = 0;
             }
 
-            bool done = (bool)details["done"];
+            bool done = (bool)(details["done"] ?? false);
             if (done)
             {
                 OperBoxInfo = LocalizationHelper.GetString("IdentificationCompleted") + "\n" + LocalizationHelper.GetString("OperBoxRecognitionTip");
                 OperBoxResult = string.Format(LocalizationHelper.GetString("OperBoxRecognitionResult"), operNotHave.Count, operNotHaveNames, operHave.Count, operHaveNames);
-                OperBoxExportData = details["own_opers"].ToString();
-                OperBoxDataArray = (JArray)details["own_opers"];
+                OperBoxExportData = details["own_opers"]?.ToString() ?? string.Empty;
+                OperBoxDataArray = (JArray)(details["own_opers"] ?? new JArray());
                 OperBoxDone = true;
             }
             else
diff --git a/src/MaaWpfGui/ViewModels/UI/SettingsViewModel.cs b/src/MaaWpfGui/ViewModels/UI/SettingsViewModel.cs
index fd073a3a8b..b49120f304 100755
--- a/src/MaaWpfGui/ViewModels/UI/SettingsViewModel.cs
+++ b/src/MaaWpfGui/ViewModels/UI/SettingsViewModel.cs
@@ -4572,9 +4572,9 @@ namespace MaaWpfGui.ViewModels.UI
         public List<CombinedData> LanguageList { get; set; }
 
         /// <summary>
-        /// Gets the list of operator name language settings
+        /// Gets or sets the list of operator name language settings
         /// </summary>
-        public List<CombinedData> OperNameLanguageModeList { get; } =
+        public List<CombinedData> OperNameLanguageModeList { get; set; } =
             [
                 new() { Display = LocalizationHelper.GetString("OperNameLanguageMAA"), Value = "OperNameLanguageMAA" },
                 new() { Display = LocalizationHelper.GetString("OperNameLanguageClient"), Value = "OperNameLanguageClient" }
@@ -4926,15 +4926,32 @@ namespace MaaWpfGui.ViewModels.UI
             { "txwy", "zh-tw" },
         };
 
+        /// <summary>
+        /// Opername display language, can set force display when it was set as "OperNameLanguageForce.en-us"
+        /// </summary>
         private string _operNameLanguage = ConfigurationHelper.GetValue(ConfigurationKeys.OperNameLanguage, "OperNameLanguageMAA");
 
         public string OperNameLanguage
         {
-            get => _operNameLanguage;
+            get
+            {
+                if (!_operNameLanguage.Contains('.'))
+                {
+                    return _operNameLanguage;
+                }
+
+                if (_operNameLanguage.Split('.')[0] != "OperNameLanguageForce" || !LocalizationHelper.SupportedLanguages.ContainsKey(_operNameLanguage.Split('.')[1]))
+                {
+                    return _operNameLanguage;
+                }
+
+                OperNameLanguageModeList.Add(new CombinedData { Display = LocalizationHelper.GetString("OperNameLanguageForce"), Value = "OperNameLanguageForce" });
+                return "OperNameLanguageForce";
+            }
 
             set
             {
-                if (value == _operNameLanguage)
+                if (value == _operNameLanguage.Split('.')[0])
                 {
                     return;
                 }
@@ -4981,7 +4998,17 @@ namespace MaaWpfGui.ViewModels.UI
             {
                 if (_operNameLanguage == "OperNameLanguageClient")
                 {
-                    return _clientLanguageMapper[ConfigurationHelper.GetValue(ConfigurationKeys.ClientType, string.Empty)];
+                    return _clientLanguageMapper[_clientType];
+                }
+
+                if (!_operNameLanguage.Contains('.'))
+                {
+                    return _language;
+                }
+
+                if (_operNameLanguage.Split('.')[0] == "OperNameLanguageForce" && LocalizationHelper.SupportedLanguages.ContainsKey(_operNameLanguage.Split('.')[1]))
+                {
+                    return _operNameLanguage.Split('.')[1];
                 }
 
                 return _language;