diff --git a/src/MaaWpfGui/Helper/DataHelper.cs b/src/MaaWpfGui/Helper/DataHelper.cs
index ebc1c71dc1..a92e16acec 100644
--- a/src/MaaWpfGui/Helper/DataHelper.cs
+++ b/src/MaaWpfGui/Helper/DataHelper.cs
@@ -26,6 +26,8 @@ namespace MaaWpfGui.Helper
         // 储存角色信息的字典
         public static Dictionary<string, CharacterInfo> Characters { get; } = new();
 
+        public static HashSet<string> CharacterNames { get; } = new();
+
         static DataHelper()
         {
             const string FilePath = "resource/battle_data.json";
@@ -37,9 +39,14 @@ namespace MaaWpfGui.Helper
             string jsonText = File.ReadAllText(FilePath);
             var characterData = JsonConvert.DeserializeObject<Dictionary<string, CharacterInfo>>(JObject.Parse(jsonText)["chars"]?.ToString() ?? string.Empty) ?? new();
 
-            foreach (var pair in characterData)
+            foreach ((var key, var value) in characterData)
             {
-                Characters.Add(pair.Key, pair.Value);
+                Characters.Add(key, value);
+                CharacterNames.Add(value.Name ?? string.Empty);
+                CharacterNames.Add(value.NameEn ?? string.Empty);
+                CharacterNames.Add(value.NameJp ?? string.Empty);
+                CharacterNames.Add(value.NameKr ?? string.Empty);
+                CharacterNames.Add(value.NameTw ?? string.Empty);
             }
         }
 
diff --git a/src/MaaWpfGui/Views/UserControl/RoguelikeSettingsUserControl.xaml b/src/MaaWpfGui/Views/UserControl/RoguelikeSettingsUserControl.xaml
index 5185f1449a..e4a44f3af6 100644
--- a/src/MaaWpfGui/Views/UserControl/RoguelikeSettingsUserControl.xaml
+++ b/src/MaaWpfGui/Views/UserControl/RoguelikeSettingsUserControl.xaml
@@ -59,9 +59,11 @@
                 SelectedValuePath="Value"
                 Style="{StaticResource ComboBoxExtend}" />
             <hc:ComboBox
+                Name="StartingCoreCharComboBox"
                 Margin="0,5"
                 hc:InfoElement.Title="{DynamicResource StartingCoreChar}"
                 AutoComplete="True"
+                DropDownClosed="StartingCoreCharComboBox_DropDownClosed"
                 IsEditable="True"
                 IsTextSearchEnabled="False"
                 ItemsSource="{Binding RoguelikeCoreCharList}"
diff --git a/src/MaaWpfGui/Views/UserControl/RoguelikeSettingsUserControl.xaml.cs b/src/MaaWpfGui/Views/UserControl/RoguelikeSettingsUserControl.xaml.cs
index 47c06b8a8e..d21496c789 100644
--- a/src/MaaWpfGui/Views/UserControl/RoguelikeSettingsUserControl.xaml.cs
+++ b/src/MaaWpfGui/Views/UserControl/RoguelikeSettingsUserControl.xaml.cs
@@ -32,6 +32,7 @@ namespace MaaWpfGui.Views.UserControl
         public RoguelikeSettingsUserControl()
         {
             InitializeComponent();
+            _current = this;
         }
 
         private static readonly MethodInfo _setText = typeof(HandyControl.Controls.NumericUpDown).GetMethod("SetText", BindingFlags.NonPublic | BindingFlags.Instance);
@@ -42,6 +43,36 @@ namespace MaaWpfGui.Views.UserControl
         {
             _setText?.Invoke(sender, _paras);
         }
+
+        private static RoguelikeSettingsUserControl _current;
+        private static bool _isValidResult;
+
+        internal static bool IsValidResult
+        {
+            get => _isValidResult;
+            set
+            {
+                _isValidResult = value;
+                if (!IsValidResult)
+                {
+                    _current.StartingCoreCharComboBox.ItemsSource = DataHelper.CharacterNames;
+                }
+            }
+        }
+
+        private void StartingCoreCharComboBox_DropDownClosed(object sender, EventArgs e)
+        {
+            if (IsValidResult)
+            {
+                var name = StartingCoreCharComboBox.Text;
+                if (!string.IsNullOrEmpty(name) && !Instances.SettingsViewModel.RoguelikeCoreCharList.Contains(name))
+                {
+                    Instances.SettingsViewModel.RoguelikeCoreCharList.Add(name);
+                }
+
+                StartingCoreCharComboBox.ItemsSource = Instances.SettingsViewModel.RoguelikeCoreCharList;
+            }
+        }
     }
 
     public class InvestmentButtonCheckedConverter : IMultiValueConverter
@@ -75,7 +106,14 @@ namespace MaaWpfGui.Views.UserControl
                 return new ValidationResult(false, HandyControl.Properties.Langs.Lang.FormatError);
             }
 
-            return new ValidationResult(DataHelper.GetCharacterByNameOrAlias(stringValue) is not null, HandyControl.Properties.Langs.Lang.FormatError);
+            if (!string.IsNullOrEmpty(stringValue) && DataHelper.GetCharacterByNameOrAlias(stringValue) is null)
+            {
+                RoguelikeSettingsUserControl.IsValidResult = false;
+                return new ValidationResult(false, LocalizationHelper.GetString("RoguelikeStartingCoreCharNotFound"));
+            }
+
+            RoguelikeSettingsUserControl.IsValidResult = true;
+            return ValidationResult.ValidResult;
         }
     }
 }