diff --git a/src/MaaWpfGui/Main/AsstProxy.cs b/src/MaaWpfGui/Main/AsstProxy.cs
index c765f3f8a3..144cf0b110 100644
--- a/src/MaaWpfGui/Main/AsstProxy.cs
+++ b/src/MaaWpfGui/Main/AsstProxy.cs
@@ -15,6 +15,8 @@ using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
+using System.Net.NetworkInformation;
+using System.Net.Sockets;
 using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading.Tasks;
@@ -1134,6 +1136,50 @@ namespace MaaWpfGui.Main
 
         private static readonly bool ForcedReloadResource = File.Exists("DEBUG") || File.Exists("DEBUG.txt");
 
+
+        /// <summary>
+        /// 检查端口是否有效。
+        /// </summary>
+        /// <param name="address">连接地址。</param>
+        /// <returns>是否有效。</returns>
+        public bool IfPortEstablished(string address)
+        {
+            if (string.IsNullOrEmpty(address))
+            {
+                return false;
+            }
+
+            // normal -> [host]:[port]
+            // LDPlayer -> emulator-[port]
+            string[] address_ = address.Contains(":") ? address.Split(':') : address.Split('-');
+            string host = address_[0].Equals("emulator") ? "127.0.0.1" : address_[0];
+            int port = int.Parse(address_[1]);
+
+            using (var client = new TcpClient())
+            {
+                try
+                {
+                    IAsyncResult result = client.BeginConnect(host, port, null, null);
+                    bool success = result.AsyncWaitHandle.WaitOne(TimeSpan.FromSeconds(.5));
+
+                    if (success)
+                    {
+                        client.EndConnect(result);
+                        return true;
+                    }
+                    else
+                    {
+                        client.Close();
+                        return false;
+                    }
+                }
+                catch (Exception)
+                {
+                    return false;
+                }
+            }
+        }
+
         /// <summary>
         /// 连接模拟器。
         /// </summary>
@@ -1144,14 +1190,39 @@ namespace MaaWpfGui.Main
             if (Instances.SettingsViewModel.AutoDetectConnection)
             {
                 string bsHvAddress = Instances.SettingsViewModel.TryToSetBlueStacksHyperVAddress();
-                if (bsHvAddress != null)
+                bool adbConfResult = Instances.SettingsViewModel.DetectAdbConfig(ref error);
+
+                if (String.Equals(Instances.SettingsViewModel.ConnectAddress, bsHvAddress))
                 {
-                    Instances.SettingsViewModel.ConnectAddress = bsHvAddress;
+                    // 防止bsHvAddress和connectAddress重合
+                    bsHvAddress = String.Empty;
                 }
-                else if (!Instances.SettingsViewModel.DetectAdbConfig(ref error))
+
+                // tcp连接测试端口是否有效，超时时间500ms
+                bool adbResult = IfPortEstablished(Instances.SettingsViewModel.ConnectAddress);
+                bool bsResult = IfPortEstablished(bsHvAddress);
+
+                // 枚举所有情况
+                if (adbResult && bsResult)
                 {
+                    // 2 connections(s)
+                    error = LocalizationHelper.GetString("EmulatorTooMany");
                     return false;
                 }
+                else if (adbResult || bsResult)
+                {
+                    // 1 connections(s)
+                    Instances.SettingsViewModel.ConnectAddress = adbResult ? Instances.SettingsViewModel.ConnectAddress : bsHvAddress;
+                    error = string.Empty;
+                }
+                else
+                {
+                    // 0 connections(s)
+                    if (!adbConfResult)
+                    {
+                        return false;
+                    }
+                }
             }
 
             if (connected && connectedAdb == Instances.SettingsViewModel.AdbPath &&
diff --git a/src/MaaWpfGui/ViewModels/UI/SettingsViewModel.cs b/src/MaaWpfGui/ViewModels/UI/SettingsViewModel.cs
index ccd520f34a..80a1c64c69 100644
--- a/src/MaaWpfGui/ViewModels/UI/SettingsViewModel.cs
+++ b/src/MaaWpfGui/ViewModels/UI/SettingsViewModel.cs
@@ -21,6 +21,7 @@ using System.IO;
 using System.IO.Compression;
 using System.Linq;
 using System.Management;
+using System.Net.NetworkInformation;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using System.Runtime.InteropServices.ComTypes;
@@ -43,6 +44,7 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using Serilog;
 using Stylet;
+using Windows.Devices.Geolocation;
 using ComboBox = System.Windows.Controls.ComboBox;
 using Timer = System.Timers.Timer;
 
@@ -2459,6 +2461,13 @@ namespace MaaWpfGui.ViewModels.UI
             { "WSA", new List<string> { "127.0.0.1:58526" } },
         };
 
+        /// <summary>
+        /// RegisterKey of Bluestacks_Nxt
+        /// </summary>
+        public static string BluestacksNxtRegistryKey = @"SOFTWARE\BlueStacks_nxt";
+        public static string BluestacksNxtValueName = "UserDefinedDir";
+
+
         /// <summary>
         /// Refreshes ADB config.
         /// </summary>
@@ -2526,6 +2535,33 @@ namespace MaaWpfGui.ViewModels.UI
             return true;
         }
 
+        /// <summary>
+        /// Get the path of bluestacks.conf
+        /// </summary>
+        /// <returns>path</returns>
+        public static string GetBluestacksConfig()
+        {
+            var conf = ConfigurationHelper.GetValue(ConfigurationKeys.BluestacksConfigPath, string.Empty);
+            if (!string.IsNullOrEmpty(conf))
+            {
+                return conf;
+            }
+
+            using (RegistryKey key = Registry.LocalMachine.OpenSubKey(BluestacksNxtRegistryKey))
+            {
+                if (key != null)
+                {
+                    object value = key.GetValue(BluestacksNxtValueName);
+                    if (value != null)
+                    {
+                        return (string)value + "\\bluestacks.conf";
+                    }
+                }
+            }
+
+            return null;
+        }
+
         /// <summary>
         /// Selects ADB program file.
         /// </summary>
@@ -2605,7 +2641,7 @@ namespace MaaWpfGui.ViewModels.UI
             rvm.WindowTitle = $"{prefix}MAA ({CurrentConfiguration}) - {VersionId}{poolString} - {connectConfigName} ({ConnectAddress}) - {ClientName}";
         }
 
-        private readonly string _bluestacksConfig = ConfigurationHelper.GetValue(ConfigurationKeys.BluestacksConfigPath, string.Empty);
+        private readonly string _bluestacksConfig = GetBluestacksConfig();
         private string _bluestacksKeyWord = ConfigurationHelper.GetValue(ConfigurationKeys.BluestacksConfigKeyword, string.Empty);
 
         /// <summary>