diff --git a/api_sqlsugar/Warehouse/Services/device_manager/Partial/base_deviceService.cs b/api_sqlsugar/Warehouse/Services/device_manager/Partial/base_deviceService.cs
index fc7a46b..290a12a 100644
--- a/api_sqlsugar/Warehouse/Services/device_manager/Partial/base_deviceService.cs
+++ b/api_sqlsugar/Warehouse/Services/device_manager/Partial/base_deviceService.cs
@@ -59,7 +59,8 @@ namespace Warehouse.Services
         /// <param name="d">同步设备条目</param>
         /// <param name="gatewayNodeId">网关节点ID</param>
         /// <param name="existingIds">已有设备映射表 (AdapterCode, SourceId) → DeviceId</param>
-        public async Task UpsertDeviceAsync(SyncDeviceItem d, int gatewayNodeId, Dictionary<(string, string), int> existingIds)
+        [Obsolete("已迁移至 gateway_nodesService.SyncDevicesAsync")]
+    public async Task UpsertDeviceAsync(SyncDeviceItem d, int gatewayNodeId, Dictionary<(string, string), int> existingIds)
         {
             var db = _repository.DbContext;
             var key = (d.AdapterCode, d.SourceId);
diff --git a/api_sqlsugar/Warehouse/Services/device_manager/Partial/gateway_nodesService.cs b/api_sqlsugar/Warehouse/Services/device_manager/Partial/gateway_nodesService.cs
index 4147785..b601647 100644
--- a/api_sqlsugar/Warehouse/Services/device_manager/Partial/gateway_nodesService.cs
+++ b/api_sqlsugar/Warehouse/Services/device_manager/Partial/gateway_nodesService.cs
@@ -49,8 +49,8 @@ namespace Warehouse.Services
         /// </summary>
         public async Task<gateway_nodes> RegisterNodeAsync(string nodeCode, string token, string adapterTypes, string baseUrl)
         {
-            var existing = _repository.DbContext.Queryable<gateway_nodes>()
-                .First(x => x.NodeCode == nodeCode);
+            var existing = await _repository.FindAsIQueryable<gateway_nodes>()
+                .FirstOrDefaultAsync(x => x.NodeCode == nodeCode);
 
             gateway_nodes entity;
             if (existing != null)
@@ -91,8 +91,8 @@ namespace Warehouse.Services
         /// </summary>
         public async Task UpdateHeartbeatAsync(string nodeCode, string token)
         {
-            var entity = _repository.DbContext.Queryable<gateway_nodes>()
-                .First(x => x.NodeCode == nodeCode && x.NodeToken == token);
+            var entity = _repository.FindAsIQueryable<gateway_nodes>()
+                .FirstOrDefaultAsync(x => x.NodeCode == nodeCode && x.NodeToken == token);
             if (entity == null)
                 throw new UnauthorizedAccessException("认证失败：NodeCode 或 Token 无效");
 
diff --git a/gateway/src/IntegrationGateway.Host/Program.cs b/gateway/src/IntegrationGateway.Host/Program.cs
index b4141e7..72a55f1 100644
--- a/gateway/src/IntegrationGateway.Host/Program.cs
+++ b/gateway/src/IntegrationGateway.Host/Program.cs
@@ -92,22 +92,99 @@ Console.WriteLine($"[Gateway] {registry.All.Count} 个适配器已注册: {adapt
 // ── A1: 向 Vol.Pro 注册当前网关节点 ──
 var nodeCode = gwCfg["NodeCode"] ?? "gw-default";
 var nodeToken = Environment.GetEnvironmentVariable("SECMPS_GATEWAY_TOKEN") ?? gwCfg["NodeToken"] ?? "";
+var port = app.Urls.FirstOrDefault()?.Split(':').LastOrDefault() ?? "5100";
+var selfUrl = gwCfg["SelfUrl"] ?? $"http://localhost:{port}";
 try
 {
     var registerReq = new GatewayRegisterRequest
     {
         NodeCode = nodeCode, Token = nodeToken,
         AdapterTypes = adapterTypes,
-        BaseUrl = $"http://localhost:{app.Urls.FirstOrDefault()?.Split(':').LastOrDefault() ?? "5100"}"
+        BaseUrl = selfUrl
     };
     var registerResult = await clientFactory.RegisterAsync(registerReq);
     Console.WriteLine($"[Gateway] A1 注册完成: nodeCode={nodeCode}, adapters={adapterTypes}");
 }
 catch (Exception ex) { Console.Error.WriteLine($"[Gateway] A1 注册失败: {ex.Message}"); }
 
+// ── A3: 同步所有适配器设备到 Vol.Pro ──
+await SyncAllDevicesAsync(nodeCode, nodeToken, selfUrl);
+Console.WriteLine("[Gateway] A3 设备同步完成");
+
+// ── A2: 心跳 + 自动重注册 ──
+var heartbeatInterval = int.TryParse(gwCfg["HeartbeatIntervalSec"], out var hs) ? hs : 15;
+var failCount = 0; var maxFails = 3;
+_ = Task.Run(async () =>
+{
+    using var timer = new PeriodicTimer(TimeSpan.FromSeconds(heartbeatInterval));
+    while (await timer.WaitForNextTickAsync())
+    {
+        try
+        {
+            await clientFactory.HeartbeatAsync(new GatewayHeartbeatRequest { NodeCode = nodeCode, Token = nodeToken });
+            failCount = 0;
+        }
+        catch
+        {
+            failCount++;
+            Console.Error.WriteLine($"[Gateway] A2 心跳失败 ({failCount}/{maxFails})");
+            if (failCount >= maxFails)
+            {
+                Console.WriteLine("[Gateway] 心跳连续失败, 尝试重新注册...");
+                try
+                {
+                    await clientFactory.RegisterAsync(new GatewayRegisterRequest { NodeCode = nodeCode, Token = nodeToken, AdapterTypes = adapterTypes, BaseUrl = selfUrl });
+                    await SyncAllDevicesAsync(nodeCode, nodeToken, selfUrl);
+                    failCount = 0;
+                    Console.WriteLine("[Gateway] 重新注册成功");
+                }
+                catch (Exception re) { Console.Error.WriteLine($"[Gateway] 重新注册失败: {re.Message}"); }
+            }
+        }
+    }
+});
+Console.WriteLine($"[Gateway] A2 心跳已启动 ({heartbeatInterval}s)");
+
 // ═══════════════════════════════════════════════════════════════
-// B 组路由（管理端 / Vol.Pro → 网关）
-// 所有路由通过适配器编码查找对应适配器，按能力接口分发请求
+// A 组辅助函数
+// ═══════════════════════════════════════════════════════════════
+
+async Task SyncAllDevicesAsync(string nc, string nt, string baseUrl)
+{
+    var allDevices = new List<object>();
+    foreach (var adapter in registry.All)
+    {
+        try
+        {
+            if (adapter is IHasFlatDevices flat)
+            {
+                var result = await flat.GetDevicesAsync(1, 1000);
+                foreach (var item in result.Items)
+                    allDevices.Add(new { AdapterCode = item.AdapterCode, SourceId = item.SourceId, Name = item.Name, Category = item.Category, Group = item.Group, IsParent = item.IsParent, ParentSourceId = item.ParentSourceId, IsOnline = item.IsOnline, IpAddress = item.IpAddress, Port = item.Port, ExtraDataJson = item.Extra != null ? System.Text.Json.JsonSerializer.Serialize(item.Extra) : null });
+            }
+            else if (adapter is IHasOwnDeviceTree tree)
+            {
+                var nodes = await tree.GetObjectTreeAsync();
+                FlattenTree(allDevices, nodes, adapter.AdapterCode, null);
+            }
+        }
+        catch { }
+    }
+    if (allDevices.Any())
+        await clientFactory.SyncDevicesAsync(nc, nt, allDevices);
+}
+
+void FlattenTree(List<object> devices, List<DeviceTreeNode> nodes, string ac, string? parentSourceId)
+{
+    foreach (var n in nodes)
+    {
+        devices.Add(new { AdapterCode = ac, SourceId = n.SourceId, Name = n.Name ?? n.SourceId, Category = n.Tag ?? "IoT设备", Group = "IoT设备", IsParent = n.Type == 1, ParentSourceId = parentSourceId, IsOnline = true, IpAddress = (string?)null, Port = (int?)null, ExtraDataJson = n.Option != null ? System.Text.Json.JsonSerializer.Serialize(n.Option) : null });
+        if (n.Children?.Count > 0) FlattenTree(devices, n.Children, ac, n.SourceId);
+    }
+}
+
+// ═══════════════════════════════════════════════════════════════
+// B 组路由（管理端/ Vol.Pro → 网关）
 // ═══════════════════════════════════════════════════════════════
 
 // B1: 健康检查 — 返回所有适配器的健康状态和能力声明
@@ -291,50 +368,6 @@ app.MapPost("/api/gateway/devices/sync", async (string adapter) =>
 });
 
 app.Run();
-
-// ═══════════════════════════════════════════════
-// 配置 POCO
-// ═══════════════════════════════════════════════
-
-/// <summary>Owl 适配器配置项</summary>
-public class OwlConfig
-{
-    public string? InstanceName { get; set; }
-    public string BaseUrl { get; set; } = "";
-    public string Username { get; set; } = "admin";
-    public string Password { get; set; } = "admin";
-}
-
-/// <summary>MC4.0 适配器配置项</summary>
-public class Mc4Config
-{
-    public string? InstanceName { get; set; }
-    public string BaseUrl { get; set; } = "";
-}
-
-/// <summary>KMS 适配器配置项</summary>
-public class KmsConfig
-{
-    public string? InstanceName { get; set; }
-    public string BaseUrl { get; set; } = "";
-    public string ClientId { get; set; } = "";
-    public string ClientSecret { get; set; } = "";
-}
-
-// ═══════════════════════════════════════════════
-// B 组请求 DTO
-// ═══════════════════════════════════════════════
-
-/// <summary>云台控制请求</summary>
-/// <param name="Direction">方向：up/down/left/right/zoom_in/zoom_out/stop</param>
-/// <param name="Action">动作类型：continuous 或 stop</param>
-/// <param name="Speed">速度 0.0-1.0</param>
-record PtzRequest(string? Direction, string Action, float Speed);
-
-/// <summary>设备控制请求</summary>
-/// <param name="DeviceId">目标设备 SourceId</param>
-/// <param name="PointIndex">点位索引</param>
-/// <param name="Value">目标值</param>
 record ControlRequest(string? DeviceId, int PointIndex, double Value);
 record BatchRealtimeRequest(List<string>? DeviceIds);
 record GatewayControlRequest(string? DeviceId, string? Command, Dictionary<string, object?>? Parameters);