diff --git a/src/MaaWpfGui/Res/Localizations/en-us.xaml b/src/MaaWpfGui/Res/Localizations/en-us.xaml
index c4781d379b..cef04006dd 100644
--- a/src/MaaWpfGui/Res/Localizations/en-us.xaml
+++ b/src/MaaWpfGui/Res/Localizations/en-us.xaml
@@ -335,6 +335,8 @@ You can cancel this popup by clicking the Settings - About Us - Issue Reporting
     <system:String x:Key="EmulatorPathSelectionErrorPrompt">Do you also want to order a bar in a bar?</system:String>
     <system:String x:Key="EmulatorPathSelectionErrorImSure">I'm sure I haven't selected the wrong one</system:String>
     <system:String x:Key="EmulatorPathSelectionErrorSelectAgain">Okay, I will choose again</system:String>
+    <system:String x:Key="EmulatorPathNotExist">The emulator path does not exist</system:String>
+    <system:String x:Key="EmulatorPathEmptyWarning">The emulator path is empty, 「{0}」 and 「{1}」 check states have been reset</system:String>
     <system:String x:Key="Select">Select</system:String>
     <system:String x:Key="ForcedReplaceAdb">Replace ADB</system:String>
     <system:String x:Key="TouchMode">Touch Mode</system:String>
diff --git a/src/MaaWpfGui/Res/Localizations/ja-jp.xaml b/src/MaaWpfGui/Res/Localizations/ja-jp.xaml
index 76327ee818..233fa97da2 100644
--- a/src/MaaWpfGui/Res/Localizations/ja-jp.xaml
+++ b/src/MaaWpfGui/Res/Localizations/ja-jp.xaml
@@ -335,6 +335,8 @@
     <system:String x:Key="EmulatorPathSelectionErrorPrompt">バーでバーを注文したいですか？</system:String>
     <system:String x:Key="EmulatorPathSelectionErrorImSure">確かに間違って選択していないと思います</system:String>
     <system:String x:Key="EmulatorPathSelectionErrorSelectAgain">はい、もう一度選択します</system:String>
+    <system:String x:Key="EmulatorPathNotExist">エミュレータのパスが存在しません</system:String>
+    <system:String x:Key="EmulatorPathEmptyWarning">エミュレータのパスが空です。「{0}」 と 「{1}」 のチェック状態がリセットされました</system:String>
     <system:String x:Key="Select">選択</system:String>
     <system:String x:Key="ForcedReplaceAdb">ADB強制置き換え</system:String>
     <system:String x:Key="TouchMode">タッチモード</system:String>
diff --git a/src/MaaWpfGui/Res/Localizations/ko-kr.xaml b/src/MaaWpfGui/Res/Localizations/ko-kr.xaml
index a5d08e4ae6..7086c5d3b1 100644
--- a/src/MaaWpfGui/Res/Localizations/ko-kr.xaml
+++ b/src/MaaWpfGui/Res/Localizations/ko-kr.xaml
@@ -335,6 +335,8 @@
     <system:String x:Key="EmulatorPathSelectionErrorPrompt">바에서 바를 주문하고 싶습니까?</system:String>
     <system:String x:Key="EmulatorPathSelectionErrorImSure">잘못 선택한 것이 확실히 아닙니다</system:String>
     <system:String x:Key="EmulatorPathSelectionErrorSelectAgain">다시 선택하겠습니다</system:String>
+    <system:String x:Key="EmulatorPathNotExist">에뮬레이터 경로가 존재하지 않습니다</system:String>
+    <system:String x:Key="EmulatorPathEmptyWarning">에뮬레이터 경로가 비어 있습니다. 「{0}」 및 「{1}」 선택 상태가 초기화되었습니다</system:String>
     <system:String x:Key="Select">선택</system:String>
     <system:String x:Key="ForcedReplaceAdb">ADB 강제 교체</system:String>
     <system:String x:Key="TouchMode">터치 수행 방식</system:String>
diff --git a/src/MaaWpfGui/Res/Localizations/zh-cn.xaml b/src/MaaWpfGui/Res/Localizations/zh-cn.xaml
index 0b97cdc283..d93e38173a 100644
--- a/src/MaaWpfGui/Res/Localizations/zh-cn.xaml
+++ b/src/MaaWpfGui/Res/Localizations/zh-cn.xaml
@@ -335,6 +335,8 @@
     <system:String x:Key="EmulatorPathSelectionErrorPrompt">你也想在酒吧里点酒吧？</system:String>
     <system:String x:Key="EmulatorPathSelectionErrorImSure">我确定没选错</system:String>
     <system:String x:Key="EmulatorPathSelectionErrorSelectAgain">好的，我会重新选择</system:String>
+    <system:String x:Key="EmulatorPathNotExist">模拟器路径不存在</system:String>
+    <system:String x:Key="EmulatorPathEmptyWarning">模拟器路径为空，「{0}」与「{1}」勾选状态已被还原</system:String>
     <system:String x:Key="Select">选择</system:String>
     <system:String x:Key="ForcedReplaceAdb">强制替换 ADB</system:String>
     <system:String x:Key="TouchMode">触控模式</system:String>
diff --git a/src/MaaWpfGui/Res/Localizations/zh-tw.xaml b/src/MaaWpfGui/Res/Localizations/zh-tw.xaml
index 014cc177fe..67fb336c86 100644
--- a/src/MaaWpfGui/Res/Localizations/zh-tw.xaml
+++ b/src/MaaWpfGui/Res/Localizations/zh-tw.xaml
@@ -335,6 +335,8 @@
     <system:String x:Key="EmulatorPathSelectionErrorPrompt">你也想在酒吧裡點酒吧？</system:String>
     <system:String x:Key="EmulatorPathSelectionErrorImSure">我確定沒選錯</system:String>
     <system:String x:Key="EmulatorPathSelectionErrorSelectAgain">好的，我會重新選擇</system:String>
+    <system:String x:Key="EmulatorPathNotExist">模擬器路徑不存在</system:String>
+    <system:String x:Key="EmulatorPathEmptyWarning">模擬器路徑為空，「{0}」與「{1}」勾選狀態已被還原</system:String>
     <system:String x:Key="Select">選擇</system:String>
     <system:String x:Key="ForcedReplaceAdb">強制替換 ADB</system:String>
     <system:String x:Key="TouchMode">觸控模式</system:String>
diff --git a/src/MaaWpfGui/ViewModels/UserControl/Settings/StartSettingsUserControlModel.cs b/src/MaaWpfGui/ViewModels/UserControl/Settings/StartSettingsUserControlModel.cs
index fd7c62594a..951e092f09 100644
--- a/src/MaaWpfGui/ViewModels/UserControl/Settings/StartSettingsUserControlModel.cs
+++ b/src/MaaWpfGui/ViewModels/UserControl/Settings/StartSettingsUserControlModel.cs
@@ -22,6 +22,7 @@ using System.Management;
 using System.Runtime.InteropServices.ComTypes;
 using System.Threading;
 using System.Windows;
+using HandyControl.Controls;
 using MaaWpfGui.Constants;
 using MaaWpfGui.Helper;
 using MaaWpfGui.Main;
@@ -116,6 +117,16 @@ public class StartSettingsUserControlModel : PropertyChangedBase
         get => _openEmulatorAfterLaunch;
         set
         {
+            if (string.IsNullOrEmpty(SettingsViewModel.StartSettings.EmulatorPath))
+            {
+                MessageBoxHelper.Show(
+                    LocalizationHelper.GetString("RetryOnDisconnectedEmulatorPathEmptyError"),
+                    LocalizationHelper.GetString("Tip"),
+                    MessageBoxButton.OK,
+                    MessageBoxImage.Warning);
+                value = false;
+            }
+
             SetAndNotify(ref _openEmulatorAfterLaunch, value);
             ConfigurationHelper.SetValue(ConfigurationKeys.StartEmulator, value.ToString());
             if (SettingsViewModel.GameSettings.ClientType == string.Empty && _runningState.GetIdle())
@@ -135,7 +146,15 @@ public class StartSettingsUserControlModel : PropertyChangedBase
         get => _emulatorPath;
         set
         {
-            if (Path.GetFileName(value).ToLower().Contains("maa"))
+            value = value.Trim();
+
+            // 这里不用 SetAndNotify 判断
+            if (value == _emulatorPath)
+            {
+                return;
+            }
+
+            if (Path.GetFileName(value).Contains("maa", StringComparison.OrdinalIgnoreCase))
             {
                 int count = 3;
                 while (count-- > 0)
@@ -154,6 +173,24 @@ public class StartSettingsUserControlModel : PropertyChangedBase
                 }
             }
 
+            if (string.IsNullOrEmpty(value))
+            {
+                if (ConnectSettings.RetryOnDisconnected || OpenEmulatorAfterLaunch)
+                {
+                    ConnectSettings.RetryOnDisconnected = false;
+                    OpenEmulatorAfterLaunch = false;
+                    Growl.Warning(
+                        string.Format(
+                            LocalizationHelper.GetString("EmulatorPathEmptyWarning"),
+                            LocalizationHelper.GetString("RetryOnDisconnected"),
+                            LocalizationHelper.GetString("OpenEmulatorAfterLaunch")));
+                }
+            }
+            else if (!File.Exists(EmulatorPath))
+            {
+                Growl.Warning(LocalizationHelper.GetString("EmulatorPathNotExist"));
+            }
+
             SetAndNotify(ref _emulatorPath, value);
             ConfigurationHelper.SetValue(ConfigurationKeys.EmulatorPath, value);
         }