feat: 配置板子网络时，更新动态mac

server/src/Controllers/NetConfigController.cs

@@ -19,8 +19,7 @@ public class NetConfigController : ControllerBase
     // 固定的实验板IP,端口,MAC地址
     private const string BOARD_IP = "169.254.109.0";
     private const int BOARD_PORT = 1234;
-    private const string BOARD_MAC = "12:34:56:78:9a:bc";
-    
+
     // 本机网络信息
     private readonly IPAddress _localIP;
     private readonly byte[] _localMAC;
@@ -33,14 +32,14 @@ public class NetConfigController : ControllerBase
         // 初始化本机IP地址
         _localIP = GetLocalIPAddress();
         _localIPString = _localIP?.ToString() ?? "未知";
-        
+
         // 初始化本机MAC地址
         _localMAC = GetLocalMACAddress();
         _localMACString = _localMAC != null ? BitConverter.ToString(_localMAC).Replace("-", ":") : "未知";
-        
+
         // 获取本机网络接口名称
         _localInterface = GetLocalNetworkInterface();
-        
+
         logger.Info($"NetConfigController 初始化完成 - 本机IP: {_localIPString}, 本机MAC: {_localMACString}, 接口: {_localInterface}");
     }
 
@@ -53,7 +52,7 @@ public class NetConfigController : ControllerBase
         try
         {
             var boardIpSegments = BOARD_IP.Split('.').Take(3).ToArray();
-            
+
             // 优先选择与实验板IP前三段相同的IP
             var sameSegmentIP = System.Net.NetworkInformation.NetworkInterface
                 .GetAllNetworkInterfaces()
@@ -130,7 +129,7 @@ public class NetConfigController : ControllerBase
     {
         try
         {
-            return await Arp.CheckOrAddAsync(BOARD_IP, BOARD_MAC, _localInterface);
+            return await ArpClient.UpdateArpEntryAsync(BOARD_IP);
         }
         catch (Exception ex)
         {