diff --git a/HeartbeatSender.cs b/HeartbeatSender.cs
index 1587ca9..6ac5711 100644
--- a/HeartbeatSender.cs
+++ b/HeartbeatSender.cs
@@ -18,10 +18,10 @@ public class heartbeatSender
     private string branchName = "";
     private string heartbeatDomain = "";
     private CancellationTokenSource? cancellationTokenSource;
-    public static Dictionary<string, string> DbData= new Dictionary<string, string>() ;
+    public static Dictionary<string, string> DbData = new Dictionary<string, string>();
     public heartbeatSender()
     {
-        this.heartbeatDomain = Utils.Env.Get("HeartBeatUrl", ""); 
+        this.heartbeatDomain = Utils.Env.Get("HeartBeatUrl", "");
         bool loginSuccess = LoginAndGetTokenAsync().GetAwaiter().GetResult();
         Console.WriteLine(loginSuccess ? "心跳登入成功" : "心跳登入失敗");
         // 在建構子中啟動背景心跳任務
@@ -51,6 +51,7 @@ public class heartbeatSender
             catch (Exception ex)
             {
                 Console.WriteLine($"心跳任務錯誤：{ex.Message}");
+                WriteLog(ex.Message);
                 await Task.Delay(5000); // 錯誤後延遲再跑
             }
         }
@@ -58,109 +59,212 @@ public class heartbeatSender
 
     public void Stop()
     {
-        cancellationTokenSource?.Cancel();
-        Console.WriteLine("心跳任務已停止");
+        try
+        {
+            cancellationTokenSource?.Cancel();
+            Console.WriteLine("心跳任務已停止");
+        }
+        catch (Exception ex)
+        { 
+            Console.WriteLine($"心跳任務錯誤：{ex.Message}");
+            WriteLog(ex.Message);
+        }
+
     }
 
     public async Task<bool> LoginAndGetTokenAsync()
     {
-        var url = $"{heartbeatDomain.TrimEnd('/')}/api/room/receiveRegister";
-        var loginPayload = new
+        try
         {
-            email = "MachineKTV@gmail.com",
-            password = "aa147258-"
-        };
-
-        var result = await SendPostAsync<JsonElement>(url, loginPayload);
-
-        if (result.ValueKind == JsonValueKind.Object &&
-            result.TryGetProperty("data", out JsonElement data))
-        {
-            token = data.GetProperty("token").GetString()!;
-            branchName = data.GetProperty("branch_name").GetString()!;
-            var Dbdatas = data.GetProperty("other_set");
-
-            if (Dbdatas.ValueKind == JsonValueKind.Object)
+            var url = $"{heartbeatDomain.TrimEnd('/')}/api/room/receiveRegister";
+            var loginPayload = new
             {
-                foreach (JsonProperty property in Dbdatas.EnumerateObject())
+                email = "MachineKTV@gmail.com",
+                password = "aa147258-"
+            };
+
+            var result = await SendPostAsync<JsonElement>(url, loginPayload);
+
+            if (result.ValueKind == JsonValueKind.Object &&
+                result.TryGetProperty("data", out JsonElement data))
+            {
+                token = data.GetProperty("token").GetString()!;
+                branchName = data.GetProperty("branch_name").GetString()!;
+                var Dbdatas = data.GetProperty("other_set");
+
+                if (Dbdatas.ValueKind == JsonValueKind.Object)
                 {
-                    DbData.Add(property.Name.ToString(), property.Value.ToString());
+                    foreach (JsonProperty property in Dbdatas.EnumerateObject())
+                    {
+                        DbData.Add(property.Name.ToString(), property.Value.ToString());
+                    }
                 }
+                return true;
             }
-            return true;
+
+            return false;
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine(ex.Message);
+            WriteLog(ex.Message);
+            return default;
         }
 
-        return false;
     }
 
     public async Task SendHeartbeatAsync()
     {
-        var url = $"{heartbeatDomain.TrimEnd('/')}/api/room/heartbeat";
-        string hostName = Dns.GetHostName();
-
-        var heartbeatPayload = new
+        try
         {
-            branch_name = branchName,
-            hostname = "PC" + hostName[^3..],
-            ip = GetLocalIPv4(),
-            cpu = GetCpuUsage(),
-            memory = GetTotalMemoryInMB(),
-            disk = GetDiskTotalSizeInGB()
-        };
+            var url = $"{heartbeatDomain.TrimEnd('/')}/api/room/heartbeat";
+            string hostName = Dns.GetHostName();
+
+            var heartbeatPayload = new
+            {
+                branch_name = branchName,
+                hostname = "PC" + hostName[^3..],
+                ip = GetLocalIPv4(),
+                cpu = GetCpuUsage(),
+                memory = GetTotalMemoryInMB(),
+                disk = GetDiskTotalSizeInGB()
+            };
+
+            await SendPostAsync<JsonElement>(url, heartbeatPayload, token);
+            Console.WriteLine($"心跳送出成功: {DateTime.Now:HH:mm:ss}");
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine(ex.Message);
+            WriteLog(ex.Message);
+            return;
+        }
 
-        await SendPostAsync<JsonElement>(url, heartbeatPayload, token);
-        Console.WriteLine($"心跳送出成功: {DateTime.Now:HH:mm:ss}");
     }
 
     private async Task<T?> SendPostAsync<T>(string url, object payload, string? bearerToken = null)
     {
-        var json = JsonSerializer.Serialize(payload);
-        var content = new StringContent(json, Encoding.UTF8, "application/json");
-
-        var request = new HttpRequestMessage(HttpMethod.Post, url)
+        try
         {
-            Content = content
-        };
+            var json = JsonSerializer.Serialize(payload);
+            var content = new StringContent(json, Encoding.UTF8, "application/json");
 
-        if (!string.IsNullOrWhiteSpace(bearerToken))
+            var request = new HttpRequestMessage(HttpMethod.Post, url)
+            {
+                Content = content
+            };
+
+            if (!string.IsNullOrWhiteSpace(bearerToken))
+            {
+                request.Headers.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", bearerToken);
+            }
+
+            var response = await httpClient.SendAsync(request);
+            response.EnsureSuccessStatusCode();
+
+            string responseJson = await response.Content.ReadAsStringAsync();
+            return JsonSerializer.Deserialize<T>(responseJson);
+        }
+        catch (Exception ex)
         {
-            request.Headers.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", bearerToken);
+            Console.WriteLine(ex.Message);
+            WriteLog(ex.Message);
+            return default(T);
         }
 
-        var response = await httpClient.SendAsync(request);
-        response.EnsureSuccessStatusCode();
 
-        string responseJson = await response.Content.ReadAsStringAsync();
-        return JsonSerializer.Deserialize<T>(responseJson);
     }
 
     private static string GetLocalIPv4()
     {
-        foreach (var ip in Dns.GetHostEntry(Dns.GetHostName()).AddressList)
+        try
         {
-            if (ip.AddressFamily == AddressFamily.InterNetwork && !IPAddress.IsLoopback(ip))
-                return ip.ToString();
+            foreach (var ip in Dns.GetHostEntry(Dns.GetHostName()).AddressList)
+            {
+                if (ip.AddressFamily == AddressFamily.InterNetwork && !IPAddress.IsLoopback(ip))
+                    return ip.ToString();
+            }
+            return "127.0.0.1";
         }
-        return "127.0.0.1";
+        catch (Exception ex)
+        {
+            Console.WriteLine(ex.Message);
+            WriteLog(ex.Message);
+            return "";
+        }
+
     }
 
     private float GetCpuUsage()
     {
-        using var cpuCounter = new PerformanceCounter("Processor", "% Processor Time", "_Total");
-        cpuCounter.NextValue();
-        Thread.Sleep(100);
-        return cpuCounter.NextValue();
+        try
+        {
+            using var cpuCounter = new PerformanceCounter("Processor", "% Processor Time", "_Total");
+            cpuCounter.NextValue();
+            Thread.Sleep(100);
+            return cpuCounter.NextValue();
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine(ex.Message);
+            WriteLog(ex.Message);
+            return float.NaN;
+        }
+
     }
 
     private float GetTotalMemoryInMB()
     {
-        var ci = new ComputerInfo();
-        return (ci.TotalPhysicalMemory - ci.AvailablePhysicalMemory) / 1024f;
+        try
+        {
+            var ci = new ComputerInfo();
+            return (ci.TotalPhysicalMemory - ci.AvailablePhysicalMemory) / 1024f;
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine(ex.Message);
+            WriteLog(ex.Message);
+            return float.NaN;
+        }
+
     }
 
     private float GetDiskTotalSizeInGB(string driveLetter = "C")
     {
-        var drive = new DriveInfo(driveLetter);
-        return drive.TotalSize / (1024f * 1024f * 1024f);
+        try
+        {
+            var drive = new DriveInfo(driveLetter);
+            return drive.TotalSize / (1024f * 1024f * 1024f);
+        }
+        catch (Exception ex)
+        { 
+            Console.WriteLine(ex.Message);
+            WriteLog(ex.Message);
+            return float.NaN;
+        }
+
+    }
+    
+
+    public static void WriteLog(string message)
+    {
+            // 指定日志文件的路径
+        string logFilePath = Path.Combine(Application.StartupPath, "txt", "mainlog.txt");
+
+
+        try
+        {
+            // 使用 StreamWriter 来向日志文件追加文本
+            using (StreamWriter writer = new StreamWriter(logFilePath, true))
+            {
+                writer.WriteLine(String.Format("[{0}] {1}", DateTime.Now, message));
+            }
+        }
+        catch (Exception ex)
+        {
+            // 如果写入日志文件时发生错误，这里可以处理这些异常
+            // 例如：打印到控制台
+            Console.WriteLine(String.Format("Error writing to log file: {0}", ex.Message));
+        }
     }
 }