更新

.gitignore

@@ -56,3 +56,4 @@
 /test/JiShe.IoT.HttpApi.Client.ConsoleTestApp/bin/Release/net9.0
 /test/JiShe.IoT.TestBase/bin/Release/net9.0
 /host/JiShe.IoT.HttpApi.Host/UploadFile/20250729/host/abp-file-management
+/host/JiShe.IoT.HttpApi.Host/UploadFile/20250731/host/abp-file-management/3a1b7059-f930-8a33-5a5b-a67f48f2feec

JiShe.ServicePro

@@ -1 +1 @@
-Subproject commit d88da5e29442a906e596baa24e262f9c4a6576fb
+Subproject commit 9fe622501ad8a33ad13e3280c303d806923eeb40

host/JiShe.IoT.HttpApi.Host/Program.cs

@@ -1,5 +1,3 @@
-using Serilog.Events;
-
 namespace JiShe.IoT;
 
 public class Program

src/JiShe.IoT.Application.Contracts/Subscribers/IServiceCommunicationChannelSubscriberService.cs

@@ -0,0 +1,18 @@
+using JiShe.ServicePro.Dto;
+using JiShe.ServicePro.Kafka.Internal; 
+
+namespace JiShe.ServicePro.OneNETManagement.Subscribers
+{
+    /// <summary>
+    /// 数据通讯通道订阅者服务
+    /// </summary>
+    public interface IServiceCommunicationChannelSubscriberService
+    {
+        /// <summary>
+        /// 设备上下线通知Kafka消息订阅
+        /// </summary>
+        /// <param name="message"></param>
+        /// <returns></returns>
+        Task<ISubscribeAck> ServiceCommunicationDeviceStatusSubscriber(DeviceStatusMessage message);
+    }
+}

src/JiShe.IoT.Application/DeviceAggregation/DeviceAggregationService.cs

@@ -12,6 +12,7 @@ using Mapster;
 using Microsoft.Extensions.Logging;
 using System;
 using System.Collections.Generic;
+using System.IO.Pipelines;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -88,6 +89,8 @@ namespace JiShe.IoT.DeviceAggregation
                 createDeviceInput.IoTPlatformAccountId = productInfo.OneNETAccountId;
                 createDeviceInput.IoTPlatformDeviceOpenInfo = $"{input.IoTPlatformProductId}{input.DeviceAddress}";
                 createDeviceInput.PlatformPassword = productInfo.ProductAccesskey;
+                createDeviceInput.IoTPlatformProductName = productInfo.ProductName;
+                createDeviceInput.AccountPhoneNumber = productInfo.AccountPhoneNumber;
 
                 var insertResult = await deviceAppService.CreateAsync(createDeviceInput);
                 if (insertResult == null)
@@ -111,22 +114,7 @@ namespace JiShe.IoT.DeviceAggregation
                     return false;
                 }
 
-                UpdateDeviceInput updateDeviceInput = insertResult.Adapt<UpdateDeviceInput>();
+                await DeviceUpdateHandler(insertResult, pushResult);
-                updateDeviceInput.IoTPlatformResponse = pushResult.Serialize();
-                updateDeviceInput.IsPlatformPushSuccess = true;
-
-                var updateResult = await deviceAppService.UpdateAsync(updateDeviceInput);
-                if (updateResult == null)
-                {
-                    logger.LogError($"{nameof(CreateAsync)} 更新设备信息失败：{input.Serialize()}");
-                    return false;
-                }
-
-                //设备数据缓存到Redis
-                DeviceCacheInfos deviceCacheInfos = insertResult.Adapt<DeviceCacheInfos>();
-                deviceCacheInfos.IoTPlatformResponse = updateDeviceInput.IoTPlatformResponse;
-
-                RedisProvider.Instance.HSet<DeviceCacheInfos>(RedisConst.CacheAllDeviceInfoHashKey, insertResult.DeviceAddress, deviceCacheInfos);
 
                 return true;
             }
@@ -181,14 +169,62 @@ namespace JiShe.IoT.DeviceAggregation
         {
             try
             {
-                var entityDevice = await FreeSqlDbContext.Instance.Select<DeviceManagementInfo>().Where(f => f.Id == input.Id).FirstAsync();
+                var entityDevice = await FreeSqlDbContext.Instance.Select<DeviceManagementInfo>().Where(f => f.Id == input.Id).FirstAsync<DeviceManagementInfoDto>();
                 if (entityDevice == null)
                 {
                     throw new UserFriendlyException($"推送失败，未找到设备数据");
                 }
 
+                if (entityDevice.IoTPlatform == ServicePro.Enums.IoTPlatformTypeEnum.CTWing)
+                {
+                    return await RepushDeviceInfoToCTWing(entityDevice);
+                }
+                else if (entityDevice.IoTPlatform == ServicePro.Enums.IoTPlatformTypeEnum.OneNET)
+                {
+                    return await RepushDeviceInfoToOneNET(entityDevice);
+                }
+
+                throw new UserFriendlyException($"推送失败，异常的物联网平台");
+            }
+            catch (Exception)
+            {
+
+                throw;
+            }
+        }
+
+        /// <summary>
+        /// 重新推送设备信息到CTWing物联网平台
+        /// </summary>
+        /// <param name="input"></param>
+        /// <returns></returns>
+        /// <exception cref="UserFriendlyException"></exception>
+        public async Task<DeviceManagementInfoDto> RepushDeviceInfoToCTWing(DeviceManagementInfoDto input)
+        {
+            try
+            {
+                throw new UserFriendlyException($"推送失败，CTWing暂未实现。");
+            }
+            catch (Exception)
+            {
+
+                throw;
+            }
+        }
+
+        /// <summary>
+        /// 重新推送设备信息到OneNET物联网平台
+        /// </summary>
+        /// <param name="input"></param>
+        /// <returns></returns>
+        /// <exception cref="UserFriendlyException"></exception>
+        public async Task<DeviceManagementInfoDto> RepushDeviceInfoToOneNET(DeviceManagementInfoDto input)
+        {
+            try
+            {
+
                 var productInfo = await FreeSqlDbContext.Instance.Select<OneNETProductInfos>()
-                  .Where(e => e.IsEnabled == true && e.IoTPlatformProductId == entityDevice.IoTPlatformProductId)
+                  .Where(e => e.IsEnabled == true && e.IoTPlatformProductId == input.IoTPlatformProductId)
                  .FirstAsync();
 
                 if (productInfo == null)
@@ -200,10 +236,10 @@ namespace JiShe.IoT.DeviceAggregation
                 //推送至OneNET平台
                 var pushResult = await oneNETDeviceService.CreateDeviceInfoAsync(new CreateDeviceInfoInput()
                 {
-                    DeviceName = entityDevice.IoTPlatformDeviceOpenInfo,
+                    DeviceName = input.IoTPlatformDeviceOpenInfo,
                     ProductId = productInfo.IoTPlatformProductId,
                     OneNETAccountId = productInfo.OneNETAccountId,
-                    Description = entityDevice.DeviceAddress,
+                    Description = input.DeviceAddress,
                 });
 
                 if (pushResult == null || pushResult.Code != ServicePro.Enums.ResponeResultEnum.Success)
@@ -213,8 +249,27 @@ namespace JiShe.IoT.DeviceAggregation
 
                 }
 
-                UpdateDeviceInput updateDeviceInput = entityDevice.Adapt<UpdateDeviceInput>();
+                return await DeviceUpdateHandler(input, pushResult);
+            }
+            catch (Exception)
+            {
+
+                throw;
+            }
+        }
+
+        /// <summary>
+        /// 更新设备信息并处理缓存
+        /// </summary>
+        /// <param name="input"></param>
+        /// <param name="pushResult"></param>
+        /// <returns></returns>
+        /// <exception cref="UserFriendlyException"></exception>
+        private async Task<DeviceManagementInfoDto> DeviceUpdateHandler(DeviceManagementInfoDto input, HttpDataResult pushResult)
+        {
+            UpdateDeviceInput updateDeviceInput = input.Adapt<UpdateDeviceInput>();
             updateDeviceInput.IoTPlatformResponse = pushResult.Serialize();
+            updateDeviceInput.IsPlatformPushSuccess = true;
 
             var updateResult = await deviceAppService.UpdateAsync(updateDeviceInput);
             if (updateResult == null)
@@ -224,17 +279,13 @@ namespace JiShe.IoT.DeviceAggregation
             }
 
             //设备数据缓存到Redis
-                DeviceCacheInfos deviceCacheInfos = entityDevice.Adapt<DeviceCacheInfos>();
+            DeviceCacheInfos deviceCacheInfos = input.Adapt<DeviceCacheInfos>();
-                deviceCacheInfos.IoTPlatformResponse = updateDeviceInput.IoTPlatformResponse;
+            deviceCacheInfos.IoTPlatformResponse = null;
-                RedisProvider.Instance.HSet<DeviceCacheInfos>(RedisConst.CacheAllDeviceInfoHashKey, entityDevice.DeviceAddress, deviceCacheInfos);
+            deviceCacheInfos.PlatformPassword = null;
 
-                return entityDevice.Adapt<DeviceManagementInfoDto>();
+            RedisProvider.Instance.HSet<DeviceCacheInfos>(RedisConst.CacheAllDeviceInfoHashKey, input.DeviceAddress, deviceCacheInfos);
-            }
-            catch (Exception)
-            {
 
-                throw;
+            return input.Adapt<DeviceManagementInfoDto>();
-            }
         }
     }
 }

src/JiShe.IoT.Application/Subscribers/ServiceCommunicationChannelSubscriberService.cs

@@ -0,0 +1,95 @@
+using JiShe.IoT;
+using JiShe.ServicePro.ApacheIoTDB.Provider.Model;
+using JiShe.ServicePro.ApacheIoTDB.Provider.Options;
+using JiShe.ServicePro.Consts;
+using JiShe.ServicePro.Core;
+using JiShe.ServicePro.DataChannelManages;
+using JiShe.ServicePro.DeviceManagement.DeviceInfos;
+using JiShe.ServicePro.Dto;
+using JiShe.ServicePro.Enums;
+using JiShe.ServicePro.FreeRedisProvider;
+using JiShe.ServicePro.IoTDBManagement.DataChannels;
+using JiShe.ServicePro.IoTDBManagement.TableModels;
+using JiShe.ServicePro.Kafka.Attributes;
+using JiShe.ServicePro.Kafka.Consts;
+using JiShe.ServicePro.Kafka.Internal;
+using JiShe.ServicePro.OneNET.Provider.ReceiveModels;
+using JiShe.ServicePro.OneNET.Provider.ReceiveModels.ThingModeData;
+using JiShe.ServicePro.ServerOptions;
+using Mapster;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using Volo.Abp;
+using Volo.Abp.Auditing;
+
+namespace JiShe.ServicePro.OneNETManagement.Subscribers
+{
+    /// <summary>
+    /// 设备状态统一订阅订阅服务
+    /// </summary>
+    [DisableAuditing]
+    public class ServiceCommunicationChannelSubscriberService : IoTAppService, IServiceCommunicationChannelSubscriberService, IKafkaSubscribe
+    {
+        private readonly ILogger<ServiceCommunicationChannelSubscriberService> _logger;
+        private readonly IoTDBOptions _iotDBOptions;
+
+        /// <summary>
+        /// 设备状态统一订阅订阅服务
+        /// </summary>
+        /// <param name="logger"></param>
+        /// <param name="iotDBOptions"></param>
+        public ServiceCommunicationChannelSubscriberService(ILogger<ServiceCommunicationChannelSubscriberService> logger, IOptions<IoTDBOptions> iotDBOptions)
+        {
+            _logger = logger;
+            _iotDBOptions = iotDBOptions.Value;
+        }
+
+        /// <summary>
+        /// 设备上下线通知Kafka消息订阅
+        /// </summary>
+        /// <param name="message"></param>
+        /// <returns></returns>
+        [KafkaSubscribe(KafkaTopicConsts.ServiceCommunicationDeviceStatusEventName)]
+        public async Task<ISubscribeAck> ServiceCommunicationDeviceStatusSubscriber(DeviceStatusMessage message)
+        {
+            try
+            {
+                var deviceEntity = await FreeSqlDbContext.Instance.Select<DeviceManagementInfo>()
+                    .Where(d => d.IoTPlatform == message.IoTPlatform && d.DeviceAddress == message.DeviceAddress)
+                    .FirstAsync();
+                if (deviceEntity == null)
+                {
+                    return SubscribeAck.Fail();
+                }
+
+                deviceEntity.DeviceOnlineStatus = message.Status;
+                if (message.Status == DeviceOnlineStatusEnum.Online)
+                {
+                    deviceEntity.LastOnlineTime = TimestampHelper.ConvertToDateTime(message.ReceivedTime, TimestampUnit.Milliseconds,DateTimeKind.Local);
+                }
+                else if (message.Status == DeviceOnlineStatusEnum.Offline)
+                {
+                    deviceEntity.LastOfflineTime = TimestampHelper.ConvertToDateTime(message.ReceivedTime, TimestampUnit.Milliseconds, DateTimeKind.Local);
+                }
+
+                var updateResult = await FreeSqlDbContext.Instance.Update<DeviceManagementInfo>()
+                    .SetSource(deviceEntity)
+                    .UpdateColumns(a => new { a.DeviceOnlineStatus, a.LastOnlineTime, a.LastOfflineTime })
+                    .ExecuteAffrowsAsync();
+
+                if (updateResult <=0)
+                {
+                    _logger.LogError($"{nameof(ServiceCommunicationDeviceStatusSubscriber)} 设备状态更新失败{message.Serialize()}");
+                    return SubscribeAck.Fail();
+                }
+
+                return SubscribeAck.Success();
+            }
+            catch (Exception)
+            {
+
+                throw;
+            }
+        }
+    }
+}

src/JiShe.IoT.EntityFrameworkCore/Migrations/20250731021938_InitialCreate.Designer.cs

@@ -13,7 +13,7 @@ using Volo.Abp.EntityFrameworkCore;
 namespace JiShe.IoT.Migrations
 {
     [DbContext(typeof(IoTDbContext))]
-    [Migration("20250730091642_InitialCreate")]
+    [Migration("20250731021938_InitialCreate")]
     partial class InitialCreate
     {
         /// <inheritdoc />
@@ -250,6 +250,9 @@ namespace JiShe.IoT.Migrations
                     b.Property<int>("AccessType")
                         .HasColumnType("int");
 
+                    b.Property<string>("AccountPhoneNumber")
+                        .HasColumnType("longtext");
+
                     b.Property<int>("AuthType")
                         .HasColumnType("int");
 
@@ -551,6 +554,12 @@ namespace JiShe.IoT.Migrations
                     b.Property<Guid>("Id")
                         .HasColumnType("char(36)");
 
+                    b.Property<string>("AccountPhoneNumber")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("varchar(50)")
+                        .HasComment("账户手机号");
+
                     b.Property<string>("ConcurrencyStamp")
                         .IsConcurrencyToken()
                         .IsRequired()
@@ -586,6 +595,10 @@ namespace JiShe.IoT.Migrations
                         .HasColumnType("varchar(128)")
                         .HasComment("设备名称");
 
+                    b.Property<int?>("DeviceOnlineStatus")
+                        .HasColumnType("int")
+                        .HasComment("设备在线状态");
+
                     b.Property<string>("ExtraProperties")
                         .HasColumnType("longtext")
                         .HasColumnName("ExtraProperties")
@@ -613,6 +626,12 @@ namespace JiShe.IoT.Migrations
                         .HasColumnType("varchar(50)")
                         .HasComment("物联网平台中对应的产品Id");
 
+                    b.Property<string>("IoTPlatformProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("varchar(128)")
+                        .HasComment("物联网平台中对应的产品Name");
+
                     b.Property<string>("IoTPlatformResponse")
                         .HasColumnType("text")
                         .HasComment("物联网平台返回的响应信息");
@@ -624,7 +643,8 @@ namespace JiShe.IoT.Migrations
                         .HasColumnName("IsDeleted");
 
                     b.Property<bool>("IsPlatformPushSuccess")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("tinyint(1)")
+                        .HasComment("物联网平台推送是否成功");
 
                     b.Property<DateTime?>("LastModificationTime")
                         .HasColumnType("datetime(6)")
@@ -634,6 +654,14 @@ namespace JiShe.IoT.Migrations
                         .HasColumnType("char(36)")
                         .HasColumnName("LastModifierId");
 
+                    b.Property<DateTime?>("LastOfflineTime")
+                        .HasColumnType("datetime(6)")
+                        .HasComment("最后离线时间");
+
+                    b.Property<DateTime?>("LastOnlineTime")
+                        .HasColumnType("datetime(6)")
+                        .HasComment("最后在线时间");
+
                     b.Property<int?>("OSACreatorId")
                         .HasColumnType("int")
                         .HasComment("旧系统授权创建者Id");
@@ -1347,6 +1375,11 @@ namespace JiShe.IoT.Migrations
                         .HasColumnType("int")
                         .HasComment("接入协议");
 
+                    b.Property<string>("AccountPhoneNumber")
+                        .HasMaxLength(50)
+                        .HasColumnType("varchar(50)")
+                        .HasComment("账户手机号");
+
                     b.Property<string>("Brand")
                         .HasColumnType("longtext")
                         .HasComment("产品品牌");

src/JiShe.IoT.EntityFrameworkCore/Migrations/20250731021938_InitialCreate.cs

@@ -796,6 +796,8 @@ namespace JiShe.IoT.Migrations
                     Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
                     CTWingAccountId = table.Column<string>(type: "varchar(50)", maxLength: 50, nullable: false, comment: "账号ID")
                         .Annotation("MySql:CharSet", "utf8mb4"),
+                    AccountPhoneNumber = table.Column<string>(type: "longtext", nullable: true)
+                        .Annotation("MySql:CharSet", "utf8mb4"),
                     CommunicationAddress = table.Column<string>(type: "varchar(128)", maxLength: 128, nullable: false, comment: "通讯服务地址")
                         .Annotation("MySql:CharSet", "utf8mb4"),
                     MasterKey = table.Column<string>(type: "varchar(256)", maxLength: 256, nullable: true, comment: "OpenAPI 通信主密钥")
@@ -872,11 +874,18 @@ namespace JiShe.IoT.Migrations
                         .Annotation("MySql:CharSet", "utf8mb4"),
                     IoTPlatformProductId = table.Column<string>(type: "varchar(50)", maxLength: 50, nullable: false, comment: "物联网平台中对应的产品Id")
                         .Annotation("MySql:CharSet", "utf8mb4"),
+                    IoTPlatformProductName = table.Column<string>(type: "varchar(128)", maxLength: 128, nullable: false, comment: "物联网平台中对应的产品Name")
+                        .Annotation("MySql:CharSet", "utf8mb4"),
                     IoTPlatformAccountId = table.Column<string>(type: "varchar(50)", maxLength: 50, nullable: false, comment: "物联网平台中对应的账号Id")
                         .Annotation("MySql:CharSet", "utf8mb4"),
+                    AccountPhoneNumber = table.Column<string>(type: "varchar(50)", maxLength: 50, nullable: false, comment: "账户手机号")
+                        .Annotation("MySql:CharSet", "utf8mb4"),
                     IoTPlatformResponse = table.Column<string>(type: "text", nullable: true, comment: "物联网平台返回的响应信息")
                         .Annotation("MySql:CharSet", "utf8mb4"),
-                    IsPlatformPushSuccess = table.Column<bool>(type: "tinyint(1)", nullable: false),
+                    IsPlatformPushSuccess = table.Column<bool>(type: "tinyint(1)", nullable: false, comment: "物联网平台推送是否成功"),
+                    DeviceOnlineStatus = table.Column<int>(type: "int", nullable: true, comment: "设备在线状态"),
+                    LastOnlineTime = table.Column<DateTime>(type: "datetime(6)", nullable: true, comment: "最后在线时间"),
+                    LastOfflineTime = table.Column<DateTime>(type: "datetime(6)", nullable: true, comment: "最后离线时间"),
                     ConcurrencyStamp = table.Column<string>(type: "varchar(40)", maxLength: 40, nullable: false)
                         .Annotation("MySql:CharSet", "utf8mb4"),
                     CreationTime = table.Column<DateTime>(type: "datetime(6)", nullable: false),
@@ -996,6 +1005,8 @@ namespace JiShe.IoT.Migrations
                     Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
                     OneNETAccountId = table.Column<string>(type: "varchar(50)", maxLength: 50, nullable: false, comment: "账户Id")
                         .Annotation("MySql:CharSet", "utf8mb4"),
+                    AccountPhoneNumber = table.Column<string>(type: "varchar(50)", maxLength: 50, nullable: true, comment: "账户手机号")
+                        .Annotation("MySql:CharSet", "utf8mb4"),
                     IoTPlatformProductId = table.Column<string>(type: "varchar(50)", maxLength: 50, nullable: false, comment: "物联网平台对应的产品Id")
                         .Annotation("MySql:CharSet", "utf8mb4"),
                     ProductName = table.Column<string>(type: "varchar(128)", maxLength: 128, nullable: true, comment: "产品名称")

src/JiShe.IoT.EntityFrameworkCore/Migrations/IoTDbContextModelSnapshot.cs

@@ -247,6 +247,9 @@ namespace JiShe.IoT.Migrations
                     b.Property<int>("AccessType")
                         .HasColumnType("int");
 
+                    b.Property<string>("AccountPhoneNumber")
+                        .HasColumnType("longtext");
+
                     b.Property<int>("AuthType")
                         .HasColumnType("int");
 
@@ -548,6 +551,12 @@ namespace JiShe.IoT.Migrations
                     b.Property<Guid>("Id")
                         .HasColumnType("char(36)");
 
+                    b.Property<string>("AccountPhoneNumber")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("varchar(50)")
+                        .HasComment("账户手机号");
+
                     b.Property<string>("ConcurrencyStamp")
                         .IsConcurrencyToken()
                         .IsRequired()
@@ -583,6 +592,10 @@ namespace JiShe.IoT.Migrations
                         .HasColumnType("varchar(128)")
                         .HasComment("设备名称");
 
+                    b.Property<int?>("DeviceOnlineStatus")
+                        .HasColumnType("int")
+                        .HasComment("设备在线状态");
+
                     b.Property<string>("ExtraProperties")
                         .HasColumnType("longtext")
                         .HasColumnName("ExtraProperties")
@@ -610,6 +623,12 @@ namespace JiShe.IoT.Migrations
                         .HasColumnType("varchar(50)")
                         .HasComment("物联网平台中对应的产品Id");
 
+                    b.Property<string>("IoTPlatformProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("varchar(128)")
+                        .HasComment("物联网平台中对应的产品Name");
+
                     b.Property<string>("IoTPlatformResponse")
                         .HasColumnType("text")
                         .HasComment("物联网平台返回的响应信息");
@@ -621,7 +640,8 @@ namespace JiShe.IoT.Migrations
                         .HasColumnName("IsDeleted");
 
                     b.Property<bool>("IsPlatformPushSuccess")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("tinyint(1)")
+                        .HasComment("物联网平台推送是否成功");
 
                     b.Property<DateTime?>("LastModificationTime")
                         .HasColumnType("datetime(6)")
@@ -631,6 +651,14 @@ namespace JiShe.IoT.Migrations
                         .HasColumnType("char(36)")
                         .HasColumnName("LastModifierId");
 
+                    b.Property<DateTime?>("LastOfflineTime")
+                        .HasColumnType("datetime(6)")
+                        .HasComment("最后离线时间");
+
+                    b.Property<DateTime?>("LastOnlineTime")
+                        .HasColumnType("datetime(6)")
+                        .HasComment("最后在线时间");
+
                     b.Property<int?>("OSACreatorId")
                         .HasColumnType("int")
                         .HasComment("旧系统授权创建者Id");
@@ -1344,6 +1372,11 @@ namespace JiShe.IoT.Migrations
                         .HasColumnType("int")
                         .HasComment("接入协议");
 
+                    b.Property<string>("AccountPhoneNumber")
+                        .HasMaxLength(50)
+                        .HasColumnType("varchar(50)")
+                        .HasComment("账户手机号");
+
                     b.Property<string>("Brand")
                         .HasColumnType("longtext")
                         .HasComment("产品品牌");