diff --git a/modules/JiShe.CollectBus.IoTDB/Interface/IIoTDBProvider.cs b/modules/JiShe.CollectBus.IoTDB/Interface/IIoTDBProvider.cs
index b896bdf..82a0d47 100644
--- a/modules/JiShe.CollectBus.IoTDB/Interface/IIoTDBProvider.cs
+++ b/modules/JiShe.CollectBus.IoTDB/Interface/IIoTDBProvider.cs
@@ -1,6 +1,7 @@
 using JiShe.CollectBus.Common.Models;
 using JiShe.CollectBus.IoTDB.Model;
 using JiShe.CollectBus.IoTDB.Options;
+using JiShe.CollectBus.IoTDB.Provider;
 
 namespace JiShe.CollectBus.IoTDB.Interface
 {
@@ -31,6 +32,15 @@ namespace JiShe.CollectBus.IoTDB.Interface
         /// <returns></returns>
         Task BatchInsertAsync<T>(IEnumerable<T> entities) where T : IoTEntity;
 
+        /// <summary>
+        /// 批量插入数据
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="deviceMetadata">设备元数据</param>
+        /// <param name="entities"></param>
+        /// <returns></returns>
+        Task BatchInsertAsync<T>(DeviceMetadata deviceMetadata,IEnumerable<T> entities) where T : IoTEntity;
+
 
         /// <summary>
         /// 删除数据
@@ -38,7 +48,14 @@ namespace JiShe.CollectBus.IoTDB.Interface
         /// <typeparam name="T"></typeparam>
         /// <param name="options"></param>
         /// <returns></returns>
-        Task<object> DeleteAsync<T>(QueryOptions options) where T : IoTEntity;
+        Task<object> DeleteAsync<T>(IoTDBQueryOptions options) where T : IoTEntity;
+
+        /// <summary>
+        /// 获取设备元数据
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <returns></returns>
+        Task<DeviceMetadata> GetMetadata<T>() where T : IoTEntity;
 
         /// <summary>
         /// 查询数据
@@ -46,6 +63,6 @@ namespace JiShe.CollectBus.IoTDB.Interface
         /// <typeparam name="T"></typeparam>
         /// <param name="options"></param>
         /// <returns></returns>
-        Task<BusPagedResult<T>> QueryAsync<T>(QueryOptions options) where T : IoTEntity, new();
+        Task<BusPagedResult<T>> QueryAsync<T>(IoTDBQueryOptions options) where T : IoTEntity, new();
     }
 }
diff --git a/modules/JiShe.CollectBus.IoTDB/Model/IoTEntity.cs b/modules/JiShe.CollectBus.IoTDB/Model/IoTEntity.cs
index f3cdbe9..92f98e1 100644
--- a/modules/JiShe.CollectBus.IoTDB/Model/IoTEntity.cs
+++ b/modules/JiShe.CollectBus.IoTDB/Model/IoTEntity.cs
@@ -11,34 +11,29 @@ namespace JiShe.CollectBus.IoTDB.Model
         /// 系统名称
         /// </summary>
         [TAGColumn]
-        public required string SystemName { get; set; }
+        public  string SystemName { get; set; }
 
         /// <summary>
         /// 项目编码
         /// </summary>
-        [TAGColumn]
-        public required string ProjectId { get; set; }
+        [ATTRIBUTEColumn]
+        public  string ProjectId { get; set; }
 
         /// <summary>
         /// 设备类型集中器、电表、水表、流量计、传感器等
         /// </summary>
-        [TAGColumn]
-        public required string DeviceType { get; set; }
+        [ATTRIBUTEColumn]
+        public  string DeviceType { get; set; }
 
         /// <summary>
-        /// 设备ID
+        /// 设备ID，也就是通信设备的唯一标识符，例如集中器地址，或者其他传感器设备地址
         /// </summary>
         [TAGColumn]
-        public required string DeviceId { get; set; }
+        public  string DeviceId { get; set; }
 
         /// <summary>
         /// 时标，也就是业务时间戳，单位毫秒,必须通过DateTimeOffset获取
         /// </summary>
-        public required long Timestamps { get; set; } = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
-
-        /// <summary>
-        /// 数据创建时间戳，单位毫秒,必须通过DateTimeOffset获取
-        /// </summary>
-        public virtual long CreationTime { get; set; } = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
+        public  long Timestamps { get; set; } = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
     }
 }
diff --git a/modules/JiShe.CollectBus.IoTDB/Options/IoTDBOptions.cs b/modules/JiShe.CollectBus.IoTDB/Options/IoTDBOptions.cs
index 69463ba..0d01f81 100644
--- a/modules/JiShe.CollectBus.IoTDB/Options/IoTDBOptions.cs
+++ b/modules/JiShe.CollectBus.IoTDB/Options/IoTDBOptions.cs
@@ -42,5 +42,10 @@
         /// 是否使用表模型存储, 默认false，使用tree模型存储
         /// </summary>
         public bool UseTableSessionPoolByDefault { get; set; } = false;
+
+        /// <summary>
+        /// 时区，默认为："UTC+08:00"
+        /// </summary>
+        public string ZoneId { get; set; } = "UTC+08:00";
     }
 }
diff --git a/modules/JiShe.CollectBus.IoTDB/Options/QueryOptions.cs b/modules/JiShe.CollectBus.IoTDB/Options/IoTDBQueryOptions.cs
similarity index 78%
rename from modules/JiShe.CollectBus.IoTDB/Options/QueryOptions.cs
rename to modules/JiShe.CollectBus.IoTDB/Options/IoTDBQueryOptions.cs
index 90e44b2..bff4641 100644
--- a/modules/JiShe.CollectBus.IoTDB/Options/QueryOptions.cs
+++ b/modules/JiShe.CollectBus.IoTDB/Options/IoTDBQueryOptions.cs
@@ -3,7 +3,7 @@
     /// <summary>
     /// 查询条件
     /// </summary>
-    public class QueryOptions
+    public class IoTDBQueryOptions
     {
         /// <summary>
         /// 表模型的表名称或者树模型的设备路径
@@ -13,7 +13,7 @@
         /// <summary>
         /// 分页
         /// </summary>
-        public int Page { get; set; }
+        public int PageIndex { get; set; }
 
         /// <summary>
         /// 分页大小
@@ -23,6 +23,6 @@
         /// <summary>
         /// 查询条件
         /// </summary>
-        public List<QueryCondition> Conditions { get; } = new();
+        public List<QueryCondition> Conditions { get; set; } = new();
     }
 }
diff --git a/modules/JiShe.CollectBus.IoTDB/Options/QueryCondition.cs b/modules/JiShe.CollectBus.IoTDB/Options/QueryCondition.cs
index cf6d3a9..40dd443 100644
--- a/modules/JiShe.CollectBus.IoTDB/Options/QueryCondition.cs
+++ b/modules/JiShe.CollectBus.IoTDB/Options/QueryCondition.cs
@@ -9,10 +9,17 @@
         /// 字段
         /// </summary>
         public string Field { get; set; }
+
         /// <summary>
-        /// 操作符
+        /// 操作符,>，=，<
         /// </summary>
         public string Operator { get; set; }
+
+        /// <summary>
+        /// 是否数值，如果是数值，则进行数值比较，否则进行字符串比较
+        /// </summary>
+        public bool IsNumber { get; set; } = false;
+
         /// <summary>
         /// 值
         /// </summary>
diff --git a/modules/JiShe.CollectBus.IoTDB/Provider/DevicePathBuilder.cs b/modules/JiShe.CollectBus.IoTDB/Provider/DevicePathBuilder.cs
index 6a1a596..6922c62 100644
--- a/modules/JiShe.CollectBus.IoTDB/Provider/DevicePathBuilder.cs
+++ b/modules/JiShe.CollectBus.IoTDB/Provider/DevicePathBuilder.cs
@@ -15,7 +15,7 @@ namespace JiShe.CollectBus.IoTDB.Provider
         /// <returns></returns>
         public static string GetDevicePath<T>(T entity) where T : IoTEntity
         {
-            return $"root.{entity.SystemName.ToLower()}.`{entity.ProjectId}`.`{entity.DeviceType}`.`{entity.DeviceId}`";
+            return $"root.{entity.SystemName.ToLower()}.`{entity.DeviceId}`";
         }
 
 
@@ -39,7 +39,7 @@ namespace JiShe.CollectBus.IoTDB.Provider
         /// <returns></returns>
         public static string GetDeviceTableName<T>(T entity) where T : IoTEntity
         {
-            return $"{entity.SystemName.ToLower()}.`{entity.ProjectId}`.`{entity.DeviceType}`.`{entity.DeviceId}`";
+            return $"{entity.SystemName.ToLower()}.`{entity.DeviceId}`";
         }
     }
 
diff --git a/modules/JiShe.CollectBus.IoTDB/Provider/IoTDBProvider.cs b/modules/JiShe.CollectBus.IoTDB/Provider/IoTDBProvider.cs
index b9c2cf0..7cfaf32 100644
--- a/modules/JiShe.CollectBus.IoTDB/Provider/IoTDBProvider.cs
+++ b/modules/JiShe.CollectBus.IoTDB/Provider/IoTDBProvider.cs
@@ -2,8 +2,12 @@
 using System.Collections.Concurrent;
 using System.Reflection;
 using System.Text;
+using System.Threading.Tasks;
 using Apache.IoTDB;
 using Apache.IoTDB.DataStructure;
+using JiShe.CollectBus.Common.Enums;
+using JiShe.CollectBus.Common.Extensions;
+using JiShe.CollectBus.Common.Helpers;
 using JiShe.CollectBus.Common.Models;
 using JiShe.CollectBus.IoTDB.Attribute;
 using JiShe.CollectBus.IoTDB.Context;
@@ -56,7 +60,7 @@ namespace JiShe.CollectBus.IoTDB.Provider
         {
             try
             {
-                var metadata = GetMetadata<T>();
+                var metadata = await GetMetadata<T>();
 
                 var tablet = BuildTablet(new[] { entity }, metadata);
 
@@ -78,7 +82,7 @@ namespace JiShe.CollectBus.IoTDB.Provider
         {
             try
             {
-                var metadata = GetMetadata<T>();
+                var metadata = await GetMetadata<T>();
 
                 var batchSize = 1000;
                 var batches = entities.Chunk(batchSize);
@@ -96,6 +100,34 @@ namespace JiShe.CollectBus.IoTDB.Provider
             }
         }
 
+        /// <summary>
+        /// 批量插入数据
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="deviceMetadata">设备元数据</param>
+        /// <param name="entities"></param>
+        /// <returns></returns>
+        public async Task BatchInsertAsync<T>(DeviceMetadata deviceMetadata, IEnumerable<T> entities) where T : IoTEntity
+        {
+            try
+            {
+
+                var batchSize = 1000;
+                var batches = entities.Chunk(batchSize);
+
+                foreach (var batch in batches)
+                {
+                    var tablet = BuildTablet(batch, deviceMetadata);
+                    await CurrentSession.InsertAsync(tablet);
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, $"{nameof(BatchInsertAsync)} 批量插入数据时发生异常");
+                throw;
+            }
+        }
+
 
         /// <summary>
         /// 删除数据
@@ -103,11 +135,11 @@ namespace JiShe.CollectBus.IoTDB.Provider
         /// <typeparam name="T"></typeparam>
         /// <param name="options"></param>
         /// <returns></returns>
-        public async Task<object> DeleteAsync<T>(QueryOptions options) where T : IoTEntity
+        public async Task<object> DeleteAsync<T>(IoTDBQueryOptions options) where T : IoTEntity
         {
             try
             {
-                var query = BuildDeleteSQL<T>(options);
+                var query = await BuildDeleteSQL<T>(options);
                 var sessionDataSet = await CurrentSession.ExecuteQueryStatementAsync(query);
 
                 if (!sessionDataSet.HasNext())
@@ -127,30 +159,62 @@ namespace JiShe.CollectBus.IoTDB.Provider
             }
         }
 
+        /// <summary>
+        /// 获取设备元数据
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <returns></returns>
+        public async Task<DeviceMetadata> GetMetadata<T>() where T : IoTEntity
+        {
+            var columns = CollectColumnMetadata(typeof(T));
+            var metadata = BuildDeviceMetadata<T>(columns);
+            var metaData = MetadataCache.AddOrUpdate(
+                typeof(T),
+                addValueFactory: t => metadata, // 如果键不存在，用此值添加
+                updateValueFactory: (t, existingValue) =>
+                {
+                    var columns = CollectColumnMetadata(t);
+                    var metadata = BuildDeviceMetadata<T>(columns);
+
+                    //对现有值 existingValue 进行修改，返回新值
+                    existingValue.ColumnNames = metadata.ColumnNames;
+                    return existingValue;
+                }
+            );
+
+            return await Task.FromResult(metaData);
+        }
+
         /// <summary>
         /// 查询数据
         /// </summary>
         /// <typeparam name="T"></typeparam>
         /// <param name="options"></param>
         /// <returns></returns>
-        public async Task<BusPagedResult<T>> QueryAsync<T>(QueryOptions options) where T : IoTEntity, new()
+        public async Task<BusPagedResult<T>> QueryAsync<T>(IoTDBQueryOptions options) where T : IoTEntity, new()
         {
             try
             {
-                var query = BuildQuerySQL<T>(options);
+                var query =await BuildQuerySQL<T>(options);
                 var sessionDataSet = await CurrentSession.ExecuteQueryStatementAsync(query);
 
+
                 var result = new BusPagedResult<T>
                 {
                     TotalCount = await GetTotalCount<T>(options),
-                    Items = ParseResults<T>(sessionDataSet, options.PageSize)
+                    Items = await ParseResults<T>(sessionDataSet, options.PageSize),
+                    PageIndex = options.PageIndex,
+                    PageSize = options.PageSize,
+                    
                 };
 
+                result.HasNext = result.TotalCount > 0? result.TotalCount < result.PageSize : false;
+
                 return result;
             }
             catch (Exception ex)
             {
-                _logger.LogError(ex, $"{nameof(QueryAsync)} 查询数据时发生异常");
+                _logger.LogError(ex, $"{nameof(QueryAsync)} IoTDB查询数据时发生异常");
                 throw;
             }
         }
@@ -246,7 +310,23 @@ namespace JiShe.CollectBus.IoTDB.Provider
                     else
                     {
 
-                        rowValues.Add(value);
+                        //需要根据value的类型，进行相应的值映射转换，例如datetime转换为long的时间戳值
+                        if (value != null)
+                        {
+                            Type tupleType = value.GetType();
+                            var tempValue = tupleType.Name.ToUpper() switch
+                            {
+                                "DATETIME" => Convert.ToDateTime(value).GetDateTimeOffset().ToUnixTimeNanoseconds(),
+                                _ => value
+                            };
+
+                            rowValues.Add(tempValue);
+                        }
+                        else
+                        {
+                            rowValues.Add(value);
+                        }
+
                     }
 
                 }
@@ -331,9 +411,9 @@ namespace JiShe.CollectBus.IoTDB.Provider
         /// <typeparam name="T"></typeparam>
         /// <param name="options"></param>
         /// <returns></returns>
-        private string BuildQuerySQL<T>(QueryOptions options) where T : IoTEntity
+        private async Task<string> BuildQuerySQL<T>(IoTDBQueryOptions options) where T : IoTEntity
         {
-            var metadata = GetMetadata<T>();
+            var metadata = await GetMetadata<T>();
             var sb = new StringBuilder("SELECT ");
             sb.AppendJoin(", ", metadata.ColumnNames);
             sb.Append($" FROM {options.TableNameOrTreePath}");
@@ -344,7 +424,7 @@ namespace JiShe.CollectBus.IoTDB.Provider
                 sb.AppendJoin(" AND ", options.Conditions.Select(TranslateCondition));
             }
 
-            sb.Append($" LIMIT {options.PageSize} OFFSET {options.Page * options.PageSize}");
+            sb.Append($" LIMIT {options.PageSize} OFFSET {options.PageIndex * options.PageSize}");
             return sb.ToString();
         }
 
@@ -354,9 +434,9 @@ namespace JiShe.CollectBus.IoTDB.Provider
         /// <typeparam name="T"></typeparam>
         /// <param name="options"></param>
         /// <returns></returns>
-        private string BuildDeleteSQL<T>(QueryOptions options) where T : IoTEntity
+        private async Task<string> BuildDeleteSQL<T>(IoTDBQueryOptions options) where T : IoTEntity
         {
-            var metadata = GetMetadata<T>();
+            var metadata = await GetMetadata<T>();
             var sb = new StringBuilder();
 
             if (!_runtimeContext.UseTableSessionPool)
@@ -391,10 +471,10 @@ namespace JiShe.CollectBus.IoTDB.Provider
         {
             return condition.Operator switch
             {
-                ">" => $"{condition.Field} > {condition.Value}",
-                "<" => $"{condition.Field} < {condition.Value}",
-                "=" => $"{condition.Field} = '{condition.Value}'",
-                _ => throw new NotSupportedException($"Operator {condition.Operator} not supported")
+                ">" => condition.IsNumber ? $"{condition.Field} > {condition.Value}": $"{condition.Field}  > '{condition.Value}'",
+                "<" => condition.IsNumber ? $"{condition.Field} < {condition.Value}" : $"{condition.Field} < '{condition.Value}'",
+                "=" => condition.IsNumber ? $"{condition.Field} = {condition.Value}" : $"{condition.Field} = '{condition.Value}'",
+                _ => throw new NotSupportedException($"{nameof(TranslateCondition)} 将查询条件转换为SQL语句时操作符 {condition.Operator} 属于异常情况")
             };
         }
 
@@ -404,7 +484,7 @@ namespace JiShe.CollectBus.IoTDB.Provider
         /// <typeparam name="T"></typeparam>
         /// <param name="options"></param>
         /// <returns></returns>
-        private async Task<int> GetTotalCount<T>(QueryOptions options) where T : IoTEntity
+        private async Task<int> GetTotalCount<T>(IoTDBQueryOptions options) where T : IoTEntity
         {
             var countQuery = $"SELECT COUNT(*) FROM {options.TableNameOrTreePath}";
             if (options.Conditions.Any())
@@ -423,10 +503,10 @@ namespace JiShe.CollectBus.IoTDB.Provider
         /// <param name="dataSet"></param>
         /// <param name="pageSize"></param>
         /// <returns></returns>
-        private IEnumerable<T> ParseResults<T>(SessionDataSet dataSet, int pageSize) where T : IoTEntity, new()
+        private async Task<IEnumerable<T>> ParseResults<T>(SessionDataSet dataSet, int pageSize) where T : IoTEntity, new()
         {
             var results = new List<T>();
-            var metadata = GetMetadata<T>();
+            var metadata = await GetMetadata<T>();
 
             var properties = typeof(T).GetProperties();
 
@@ -438,16 +518,24 @@ namespace JiShe.CollectBus.IoTDB.Provider
                     Timestamps = record.Timestamps
                 };
 
-
                 foreach (var measurement in metadata.ColumnNames)
                 {
-                    var value = record.Values;
+                    int indexOf = metadata.ColumnNames.IndexOf(measurement);
+                    var value = record.Values[indexOf];
 
                     var prop = properties.FirstOrDefault(p =>
                         p.Name.Equals(measurement, StringComparison.OrdinalIgnoreCase));
                     if (prop != null)
                     {
-                        typeof(T).GetProperty(measurement)?.SetValue(entity, value);
+                        if (measurement.EndsWith("time"))
+                        {
+                            var tempValue = TimestampHelper.ConvertToDateTime(Convert.ToInt64(value), TimestampUnit.Nanoseconds); 
+                            typeof(T).GetProperty(measurement)?.SetValue(entity, value);
+                        }
+                        else
+                        {
+                            typeof(T).GetProperty(measurement)?.SetValue(entity, value);
+                        }
                     }
 
                 }
@@ -457,30 +545,6 @@ namespace JiShe.CollectBus.IoTDB.Provider
             return results;
         }
 
-        /// <summary>
-        /// 获取设备元数据
-        /// </summary>
-        /// <typeparam name="T"></typeparam>
-        /// <returns></returns>
-        private DeviceMetadata GetMetadata<T>() where T : IoTEntity
-        {
-            var columns = CollectColumnMetadata(typeof(T));
-            var metadata = BuildDeviceMetadata<T>(columns);
-            return MetadataCache.AddOrUpdate(
-                typeof(T),
-                addValueFactory: t => metadata, // 如果键不存在，用此值添加
-                updateValueFactory: (t, existingValue) =>
-                {
-                    var columns = CollectColumnMetadata(t);
-                    var metadata = BuildDeviceMetadata<T>(columns);
-
-                    //对现有值 existingValue 进行修改，返回新值
-                    existingValue.ColumnNames = metadata.ColumnNames;
-                    return existingValue;
-                }
-            );
-        }
-
         /// <summary>
         /// 获取设备元数据的列
         /// </summary>
diff --git a/modules/JiShe.CollectBus.IoTDB/Provider/SessionPoolAdapter.cs b/modules/JiShe.CollectBus.IoTDB/Provider/SessionPoolAdapter.cs
index fcb0c02..eacf246 100644
--- a/modules/JiShe.CollectBus.IoTDB/Provider/SessionPoolAdapter.cs
+++ b/modules/JiShe.CollectBus.IoTDB/Provider/SessionPoolAdapter.cs
@@ -25,6 +25,7 @@ namespace JiShe.CollectBus.IoTDB.Provider
                 .SetNodeUrl(options.ClusterList)
                 .SetUsername(options.UserName)
                 .SetPassword(options.Password)
+                .SetZoneId(options.ZoneId)
                 .SetFetchSize(options.FetchSize)
                 .SetPoolSize(options.PoolSize)
                 .Build();
diff --git a/modules/JiShe.CollectBus.IoTDB/Provider/TableSessionPoolAdapter.cs b/modules/JiShe.CollectBus.IoTDB/Provider/TableSessionPoolAdapter.cs
index d22f356..137f5a8 100644
--- a/modules/JiShe.CollectBus.IoTDB/Provider/TableSessionPoolAdapter.cs
+++ b/modules/JiShe.CollectBus.IoTDB/Provider/TableSessionPoolAdapter.cs
@@ -25,6 +25,7 @@ namespace JiShe.CollectBus.IoTDB.Provider
                 .SetNodeUrls(options.ClusterList)
                 .SetUsername(options.UserName)
                 .SetPassword(options.Password)
+                .SetZoneId(options.ZoneId)
                 .SetFetchSize(options.FetchSize)
                 .SetPoolSize(options.PoolSize)
                 .SetDatabase(options.DataBaseName)
diff --git a/services/JiShe.CollectBus.Application/Samples/SampleAppService.cs b/services/JiShe.CollectBus.Application/Samples/SampleAppService.cs
index b616544..86582af 100644
--- a/services/JiShe.CollectBus.Application/Samples/SampleAppService.cs
+++ b/services/JiShe.CollectBus.Application/Samples/SampleAppService.cs
@@ -4,6 +4,7 @@ using JiShe.CollectBus.Common.Consts;
 using JiShe.CollectBus.Common.DeviceBalanceControl;
 using JiShe.CollectBus.Common.Enums;
 using JiShe.CollectBus.Common.Extensions;
+using JiShe.CollectBus.Common.Helpers;
 using JiShe.CollectBus.FreeSql;
 using JiShe.CollectBus.IoTDB.Context;
 using JiShe.CollectBus.IoTDB.Interface;
@@ -50,20 +51,20 @@ public class SampleAppService : CollectBusAppService, ISampleAppService, IKafkaS
     /// <param name="testTime"></param>
     /// <returns></returns>
     [HttpGet]
-    public async Task UseSessionPool(DateTime testTime)
-    { 
+    public async Task UseSessionPool(long testTime)
+    {
 
         ElectricityMeterTreeModel meter = new ElectricityMeterTreeModel()
         {
             SystemName = "energy",
-            DeviceId = "402440506",
+            DeviceId = "402440506s",
             DeviceType = "Ammeter",
             Current = 10,
             MeterModel = "DDZY-1980",
             ProjectId = "10059",
             Voltage = 10,
             IssuedMessageHexString = "messageHexString",
-            Timestamps = testTime.GetDateTimeOffset().ToUnixTimeMilliseconds(),
+            Timestamps = testTime// DateTimeOffset.UtcNow.ToUnixTimeNanoseconds()//testTime.GetDateTimeOffset().ToUnixTimeNanoseconds(),
         };
         await _iotDBProvider.InsertAsync(meter);
     }
@@ -85,7 +86,7 @@ public class SampleAppService : CollectBusAppService, ISampleAppService, IKafkaS
             MeterModel = "DDZY-1980",
             ProjectId = "10059",
             Voltage = 10,
-            Timestamps = testTime.GetDateTimeOffset().ToUnixTimeMilliseconds(),
+            Timestamps = DateTimeOffset.Now.ToUnixTimeNanoseconds(),
         };
 
         await _iotDBProvider.InsertAsync(meter2);
@@ -101,7 +102,7 @@ public class SampleAppService : CollectBusAppService, ISampleAppService, IKafkaS
             MeterModel = "DDZY-1980",
             ProjectId = "10059",
             Voltage = 10,
-            Timestamps = testTime.GetDateTimeOffset().ToUnixTimeMilliseconds(),
+            Timestamps = DateTimeOffset.Now.ToUnixTimeNanoseconds(),
         };
         await _iotDBProvider.InsertAsync(meter);
 
@@ -125,7 +126,7 @@ public class SampleAppService : CollectBusAppService, ISampleAppService, IKafkaS
             ProjectId = "10059",
             Voltage = 10,
             IssuedMessageHexString = "dsdfsfd",
-            Timestamps = testTime.GetDateTimeOffset().ToUnixTimeMilliseconds(),
+            Timestamps = DateTimeOffset.UtcNow.ToUnixTimeNanoseconds(),
 
         };
 
@@ -145,8 +146,13 @@ public class SampleAppService : CollectBusAppService, ISampleAppService, IKafkaS
             Voltage = 10,
             Currentd = 22,
             IssuedMessageHexString = "dsdfsfd",
-            Timestamps = testTime.GetDateTimeOffset().ToUnixTimeMilliseconds(),
+            Timestamps = DateTimeOffset.Now.ToUnixTimeNanoseconds(),
         };
+
+        //var dd = DateTimeOffset.Now.ToUnixTimeMilliseconds();
+        //var dd3 = DateTimeOffset.Now.ToUnixTimeMicroseconds();
+        //var dd2 = DateTimeOffset.Now.ToUnixTimeNanoseconds();
+
         await _iotDBProvider.InsertAsync(meter3);
     }
 
diff --git a/services/JiShe.CollectBus.Application/ScheduledMeterReading/BasicScheduledMeterReadingService.cs b/services/JiShe.CollectBus.Application/ScheduledMeterReading/BasicScheduledMeterReadingService.cs
index 0fb4c49..3437f4b 100644
--- a/services/JiShe.CollectBus.Application/ScheduledMeterReading/BasicScheduledMeterReadingService.cs
+++ b/services/JiShe.CollectBus.Application/ScheduledMeterReading/BasicScheduledMeterReadingService.cs
@@ -13,6 +13,9 @@ using JiShe.CollectBus.Common.Models;
 using JiShe.CollectBus.GatherItem;
 using JiShe.CollectBus.IoTDB.Context;
 using JiShe.CollectBus.IoTDB.Interface;
+using JiShe.CollectBus.IoTDB.Model;
+using JiShe.CollectBus.IoTDB.Options;
+using JiShe.CollectBus.IoTDB.Provider;
 using JiShe.CollectBus.IotSystems.MessageIssueds;
 using JiShe.CollectBus.IotSystems.MeterReadingRecords;
 using JiShe.CollectBus.IotSystems.Watermeter;
@@ -138,9 +141,10 @@ namespace JiShe.CollectBus.ScheduledMeterReading
 
                 if (meteryType == MeterTypeEnum.Ammeter.ToString())
                 {
-                    List<MeterReadingTelemetryPacketInfo> pushTaskInfos = new();
-
-                    await CreateMeterPublishTask<AmmeterInfo>(
+                    //List<MeterReadingTelemetryPacketInfo> pushTaskInfos = new();
+                    _runtimeContext.UseTableSessionPool = true;
+                    var metadata = await _dbProvider.GetMetadata<MeterReadingTelemetryPacketInfo>();
+                    _ = CreateMeterPublishTask<AmmeterInfo>(
                         timeDensity: timeDensity,
                         nextTaskTime: tasksToBeIssueModel.NextTaskTime.CalculateNextCollectionTime(timeDensity),
                         meterType: MeterTypeEnum.Ammeter,
@@ -149,38 +153,11 @@ namespace JiShe.CollectBus.ScheduledMeterReading
                             var tempTask = AmmerterCreatePublishTaskAction(timeDensity, data, groupIndex, timestamps);
                             if (tempTask == null || tempTask.Count <= 0)
                             {
+                                _logger.LogWarning($"{data.Name} 任务数据构建失败：{data.Serialize()}");
                                 return;
                             }
-
-                            pushTaskInfos.AddRange(tempTask);
-
-                            //using (var score = _serviceProvider.CreateScope())
-                            //{
-                            //    var _dbContext = score.ServiceProvider.GetRequiredService<IoTDBRuntimeContext>();
-                            //    _dbContext.UseTableSessionPool = true;
-                            //    _dbProvider.BatchInsertAsync(tempTask);
-                            //}
-
-                            _runtimeContext.UseTableSessionPool = true;
-                            _dbProvider.BatchInsertAsync(tempTask);
+                            _dbProvider.BatchInsertAsync(metadata, tempTask);
                         });
-
-                    //if (pushTaskInfos.Count <= 0)
-                    //{
-                    //    _logger.LogInformation($"{nameof(CreateToBeIssueTasks)} {timeDensity}分钟采集待下发任务创建失败，没有任务数据信息,-1051");
-                    //    continue;
-                    //}
-
-                    //using (var score = _serviceProvider.CreateScope())
-                    //{
-                    //    var _dbContext = score.ServiceProvider.GetRequiredService<IoTDBRuntimeContext>();
-                    //    _dbContext.UseTableSessionPool = true;
-                    //    _dbProvider.BatchInsertAsync(pushTaskInfos);
-                    //}
-
-                    //_dbContext.UseTableSessionPool = true;
-                    //await _dbProvider.BatchInsertAsync(pushTaskInfos);
-
                 }
                 else if (meteryType == MeterTypeEnum.WaterMeter.ToString())
                 {
@@ -206,6 +183,7 @@ namespace JiShe.CollectBus.ScheduledMeterReading
 
 
                 //根据当前的采集频率和类型，重新更新下一个任务点，把任务的创建源固定在当前逻辑，避免任务处理的逻辑异常导致任务创建失败。
+                tasksToBeIssueModel.LastTaskTime = tasksToBeIssueModel.NextTaskTime;
                 tasksToBeIssueModel.NextTaskTime = tasksToBeIssueModel.NextTaskTime.CalculateNextCollectionTime(timeDensity);
                 await FreeRedisProvider.Instance.SetAsync(item, tasksToBeIssueModel);
             }
@@ -269,9 +247,9 @@ namespace JiShe.CollectBus.ScheduledMeterReading
 
 
             timer1.Stop();
-            _logger.LogError($"读取数据更花费时间{timer1.ElapsedMilliseconds}毫秒");
-            DeviceGroupBalanceControl.InitializeCache(focusAddressDataLista, _kafkaOptions.NumPartitions);
-            return;
+            _logger.LogError($"读取数据总共花费时间{timer1.ElapsedMilliseconds}毫秒");
+            //DeviceGroupBalanceControl.InitializeCache(focusAddressDataLista, _kafkaOptions.NumPartitions);
+            //return;
 #else
             var meterInfos = await GetAmmeterInfoList(gatherCode);
 #endif
@@ -303,6 +281,7 @@ namespace JiShe.CollectBus.ScheduledMeterReading
             {
                 TasksToBeIssueModel nextTask = new TasksToBeIssueModel()
                 {
+                    LastTaskTime = null,
                     TimeDensity = item.Key,
                     NextTaskTime = _kafkaOptions.FirstCollectionTime.Value.CalculateNextCollectionTime(item.Key),//使用首次采集时间作为下一次采集时间
                 };
@@ -432,13 +411,13 @@ namespace JiShe.CollectBus.ScheduledMeterReading
             };
             var taskBatch = $"{currentTime:yyyyMMddHHmm00}";
 
-            Parallel.For(0, _kafkaOptions.NumPartitions, options, async groupIndex =>
-            {
-                var redisCacheTelemetryPacketInfoHashKey = $"{string.Format(RedisConst.CacheTelemetryPacketInfoHashKey, SystemType, ServerTagName, MeterTypeEnum.Ammeter, timeDensity, groupIndex, taskBatch)}";
-                var redisCacheTelemetryPacketInfoZSetScoresIndexKey = $"{string.Format(RedisConst.CacheTelemetryPacketInfoZSetScoresIndexKey, SystemType, ServerTagName, MeterTypeEnum.Ammeter, timeDensity, groupIndex, taskBatch)}";
+            //Parallel.For(0, _kafkaOptions.NumPartitions, options, async groupIndex =>
+            //{
+            //    var redisCacheTelemetryPacketInfoHashKey = $"{string.Format(RedisConst.CacheTelemetryPacketInfoHashKey, SystemType, ServerTagName, MeterTypeEnum.Ammeter, timeDensity, groupIndex, taskBatch)}";
+            //    var redisCacheTelemetryPacketInfoZSetScoresIndexKey = $"{string.Format(RedisConst.CacheTelemetryPacketInfoZSetScoresIndexKey, SystemType, ServerTagName, MeterTypeEnum.Ammeter, timeDensity, groupIndex, taskBatch)}";
 
-                _ = CreateMeterKafkaTaskMessage(redisCacheTelemetryPacketInfoHashKey, redisCacheTelemetryPacketInfoZSetScoresIndexKey);
-            });
+            //    _ = CreateMeterKafkaTaskMessage(redisCacheTelemetryPacketInfoHashKey, redisCacheTelemetryPacketInfoZSetScoresIndexKey);
+            //});
 
             await Task.CompletedTask;
 
@@ -463,13 +442,13 @@ namespace JiShe.CollectBus.ScheduledMeterReading
             };
             var taskBatch = $"{currentTime:yyyyMMddHHmm00}";
 
-            Parallel.For(0, _kafkaOptions.NumPartitions, options, async groupIndex =>
-            {
-                var redisCacheTelemetryPacketInfoHashKey = $"{string.Format(RedisConst.CacheTelemetryPacketInfoHashKey, SystemType, ServerTagName, MeterTypeEnum.Ammeter, timeDensity, groupIndex, taskBatch)}";
-                var redisCacheTelemetryPacketInfoZSetScoresIndexKey = $"{string.Format(RedisConst.CacheTelemetryPacketInfoZSetScoresIndexKey, SystemType, ServerTagName, MeterTypeEnum.Ammeter, timeDensity, groupIndex, taskBatch)}";
+            //Parallel.For(0, _kafkaOptions.NumPartitions, options, async groupIndex =>
+            //{
+            //    var redisCacheTelemetryPacketInfoHashKey = $"{string.Format(RedisConst.CacheTelemetryPacketInfoHashKey, SystemType, ServerTagName, MeterTypeEnum.Ammeter, timeDensity, groupIndex, taskBatch)}";
+            //    var redisCacheTelemetryPacketInfoZSetScoresIndexKey = $"{string.Format(RedisConst.CacheTelemetryPacketInfoZSetScoresIndexKey, SystemType, ServerTagName, MeterTypeEnum.Ammeter, timeDensity, groupIndex, taskBatch)}";
 
-                _ = CreateMeterKafkaTaskMessage(redisCacheTelemetryPacketInfoHashKey, redisCacheTelemetryPacketInfoZSetScoresIndexKey);
-            });
+            //    _ = CreateMeterKafkaTaskMessage(redisCacheTelemetryPacketInfoHashKey, redisCacheTelemetryPacketInfoZSetScoresIndexKey);
+            //});
         }
 
         /// <summary>
@@ -480,8 +459,18 @@ namespace JiShe.CollectBus.ScheduledMeterReading
         {
             //获取缓存中的电表信息
             int timeDensity = 15;
-            var currentTime = DateTime.Now;
+            //var currentTime = DateTime.Now.CalculateNextCollectionTime(timeDensity);
+            var currentTime = Convert.ToDateTime("2025-04-21 17:42:00").CalculateNextCollectionTime(timeDensity);
 
+            var redisCacheKey = string.Format(RedisConst.CacheTasksToBeIssuedKey, SystemType, ServerTagName,MeterTypeEnum.Ammeter,timeDensity);
+            var taskInfo = await FreeRedisProvider.Instance.GetAsync<TasksToBeIssueModel>(redisCacheKey);
+
+            if (taskInfo == null || taskInfo.LastTaskTime.HasValue == false)
+            {
+                _logger.LogError($"{nameof(AmmeterScheduledMeterFifteenMinuteReading)} {timeDensity}分钟获取任务下发信息失败，请检查Redis中是否有对应的任务下发信息");
+                return;
+            }
+             
             // 自动计算最佳并发度
             int recommendedThreads = DeviceGroupBalanceControl.CalculateOptimalThreadCount();
 
@@ -489,16 +478,24 @@ namespace JiShe.CollectBus.ScheduledMeterReading
             {
                 MaxDegreeOfParallelism = recommendedThreads,
             };
-            var taskBatch = $"{currentTime:yyyyMMddHHmm00}";
+            var pendingCopyReadTime = taskInfo.LastTaskTime.Value.GetDateTimeOffset().ToUnixTimeNanoseconds();
 
-            Parallel.For(0, _kafkaOptions.NumPartitions, options, async groupIndex =>
+            var conditions = new List<QueryCondition>();
+            conditions.Add(new QueryCondition()
             {
-                var redisCacheTelemetryPacketInfoHashKey = $"{string.Format(RedisConst.CacheTelemetryPacketInfoHashKey, SystemType, ServerTagName, MeterTypeEnum.Ammeter, timeDensity, groupIndex, taskBatch)}";
-                var redisCacheTelemetryPacketInfoZSetScoresIndexKey = $"{string.Format(RedisConst.CacheTelemetryPacketInfoZSetScoresIndexKey, SystemType, ServerTagName, MeterTypeEnum.Ammeter, timeDensity, groupIndex, taskBatch)}";
-
-                _ = CreateMeterKafkaTaskMessage(redisCacheTelemetryPacketInfoHashKey, redisCacheTelemetryPacketInfoZSetScoresIndexKey);
+                Field = "PendingCopyReadTime",
+                Operator = "=",
+                IsNumber = true,
+                Value = pendingCopyReadTime
             });
 
+            _ = CreateMeterKafkaTaskMessage<MeterReadingTelemetryPacketInfo>(timeDensity, new IoTDBQueryOptions()
+            {
+                TableNameOrTreePath = DevicePathBuilder.GetTableName<MeterReadingTelemetryPacketInfo>(),
+                PageIndex = 1,
+                PageSize = 3000,
+                Conditions = conditions,
+            }); 
         }
 
 
@@ -718,13 +715,12 @@ namespace JiShe.CollectBus.ScheduledMeterReading
                     SystemName = SystemType,
                     ProjectId = $"{ammeterInfo.ProjectID}",
                     DeviceType = $"{MeterTypeEnum.Ammeter}",
-                    DeviceId = $"{ammeterInfo.MemberId}",
-                    Timestamps = timestamps.GetDateTimeOffset().ToUnixTimeMilliseconds(),
+                    DeviceId = $"{ammeterInfo.FocusAddress}",
+                    Timestamps = DateTimeOffset.Now.ToUnixTimeNanoseconds(),
                     DatabaseBusiID = ammeterInfo.DatabaseBusiID,
                     PendingCopyReadTime = timestamps,
                     CreationTime = currentTime,
                     MeterAddress = ammeterInfo.AmmerterAddress,
-                    FocusAddress = ammeterInfo.FocusAddress,
                     AFN = (int)aFN,
                     Fn = fn,
                     //Seq = builderResponse.Seq,
@@ -743,15 +739,6 @@ namespace JiShe.CollectBus.ScheduledMeterReading
             }
 
             return taskList;
-
-            //using (var score = _serviceProvider.CreateScope())
-            //{
-            //    var _dbContext = score.ServiceProvider.GetRequiredService<IoTDBRuntimeContext>();
-            //    _dbContext.UseTableSessionPool = true;
-            //    _dbProvider.BatchInsertAsync(taskList);
-            //}
-
-
         }
 
         #endregion
@@ -1009,7 +996,7 @@ namespace JiShe.CollectBus.ScheduledMeterReading
             var page = await _redisDataCacheService.GetAllPagedData<T>(
                    redisCacheMeterInfoHashKeyTemp,
                    redisCacheMeterInfoZSetScoresIndexKeyTemp,
-                   pageSize: 1,
+                   pageSize: 10,
                    lastScore: cursor,
                    lastMember: member);
             meterInfos.AddRange(page.Items);
@@ -1031,57 +1018,90 @@ namespace JiShe.CollectBus.ScheduledMeterReading
             );
 
             timer.Stop();
-            _logger.LogInformation($"{nameof(CreateMeterPublishTask)} {meterType} {timeDensity}分钟采集待下发任务创建完成,{timer.ElapsedMilliseconds},总共{meterInfos.Count}表计信息");
+            _logger.LogInformation($"{nameof(CreateMeterPublishTask)} {meterType} {timeDensity}分钟采集待下发任务创建完成，耗时{timer.ElapsedMilliseconds}毫秒,总共{meterInfos.Count}表计信息");
         }
 
 
         /// <summary>
         /// 创建Kafka消息
         /// </summary>
-        /// <param name="redisCacheTelemetryPacketInfoHashKey"></param>
-        /// <param name="redisCacheTelemetryPacketInfoZSetScoresIndexKey"></param>
         /// <returns></returns>
-        private async Task CreateMeterKafkaTaskMessage(
-        string redisCacheTelemetryPacketInfoHashKey,
-        string redisCacheTelemetryPacketInfoZSetScoresIndexKey)
+        private async Task CreateMeterKafkaTaskMessage<T>(int timeDensity, IoTDBQueryOptions options) where T : IoTEntity, new()
         {
-            if (string.IsNullOrWhiteSpace(redisCacheTelemetryPacketInfoHashKey) || string.IsNullOrWhiteSpace(redisCacheTelemetryPacketInfoHashKey))
-            {
-                throw new Exception($"{nameof(CreateMeterKafkaTaskMessage)} 创建Kafka消息失败，参数异常,-101");
-            }
-
-            decimal? cursor = null;
-            string member = null;
+            int pageNumber = 0;
             bool hasNext;
             var stopwatch = Stopwatch.StartNew();
-            //do
-            //{
-            //    var page = await _redisDataCacheService.GetAllPagedData<MeterReadingTelemetryPacketInfo>(
-            //        redisCacheTelemetryPacketInfoHashKey,
-            //        redisCacheTelemetryPacketInfoZSetScoresIndexKey,
-            //        pageSize: 1000,
-            //        lastScore: cursor,
-            //        lastMember: member);
+            do
+            {
+                options.PageIndex = pageNumber++;
 
-            //    cursor = page.HasNext ? page.NextScore : null;
-            //    member = page.HasNext ? page.NextMember : null;
-            //    hasNext = page.HasNext;
+                var pageResult = await _dbProvider.QueryAsync<T>(options);
 
-            //    await DeviceGroupBalanceControl.ProcessWithThrottleAsync(
-            //        items: page.Items,
-            //        deviceIdSelector: data => data.FocusAddress,
-            //        processor: (data, groupIndex) =>
-            //        {
-            //            _ = KafkaProducerIssuedMessageAction(ProtocolConst.AmmeterSubscriberWorkerFifteenMinuteIssuedEventName, data, groupIndex);
-            //        }
-            //    );
+                hasNext = pageResult.HasNext;
 
-            //} while (hasNext);
+                await DeviceGroupBalanceControl.ProcessWithThrottleAsync<T>(
+                    items: pageResult.Items.ToList(),
+                    deviceIdSelector: data => data.DeviceId,
+                    processor: (data, groupIndex) =>
+                    {
+                        _ = KafkaProducerIssuedMessageAction(ProtocolConst.AmmeterSubscriberWorkerFifteenMinuteIssuedEventName, data, groupIndex);
+                    }
+                );
+
+            } while (hasNext);
 
             stopwatch.Stop();
-            _logger.LogError($"{nameof(CreateMeterKafkaTaskMessage)} {redisCacheTelemetryPacketInfoHashKey}采集推送完成，共消耗{stopwatch.ElapsedMilliseconds}毫秒。");
+            _logger.LogError($"{nameof(CreateMeterKafkaTaskMessage)} {options.TableNameOrTreePath} {timeDensity}分钟采集任务推送完成，共消耗{stopwatch.ElapsedMilliseconds}毫秒。");
         }
 
+
+        ///// <summary>
+        ///// 创建Kafka消息
+        ///// </summary>
+        ///// <param name="redisCacheTelemetryPacketInfoHashKey"></param>
+        ///// <param name="redisCacheTelemetryPacketInfoZSetScoresIndexKey"></param>
+        ///// <returns></returns>
+        //private async Task CreateMeterKafkaTaskMessage(
+        //string redisCacheTelemetryPacketInfoHashKey,
+        //string redisCacheTelemetryPacketInfoZSetScoresIndexKey)
+        //{
+        //    if (string.IsNullOrWhiteSpace(redisCacheTelemetryPacketInfoHashKey) || string.IsNullOrWhiteSpace(redisCacheTelemetryPacketInfoHashKey))
+        //    {
+        //        throw new Exception($"{nameof(CreateMeterKafkaTaskMessage)} 创建Kafka消息失败，参数异常,-101");
+        //    }
+
+        //    decimal? cursor = null;
+        //    string member = null;
+        //    bool hasNext;
+        //    var stopwatch = Stopwatch.StartNew();
+        //    do
+        //    {
+        //        var page = await _redisDataCacheService.GetAllPagedData<MeterReadingTelemetryPacketInfo>(
+        //            redisCacheTelemetryPacketInfoHashKey,
+        //            redisCacheTelemetryPacketInfoZSetScoresIndexKey,
+        //            pageSize: 1000,
+        //            lastScore: cursor,
+        //            lastMember: member);
+
+        //        cursor = page.HasNext ? page.NextScore : null;
+        //        member = page.HasNext ? page.NextMember : null;
+        //        hasNext = page.HasNext;
+
+        //        await DeviceGroupBalanceControl.ProcessWithThrottleAsync(
+        //            items: page.Items,
+        //            deviceIdSelector: data => data.FocusAddress,
+        //            processor: (data, groupIndex) =>
+        //            {
+        //                _ = KafkaProducerIssuedMessageAction(ProtocolConst.AmmeterSubscriberWorkerFifteenMinuteIssuedEventName, data, groupIndex);
+        //            }
+        //        );
+
+        //    } while (hasNext);
+
+        //    stopwatch.Stop();
+        //    _logger.LogError($"{nameof(CreateMeterKafkaTaskMessage)} {redisCacheTelemetryPacketInfoHashKey}采集推送完成，共消耗{stopwatch.ElapsedMilliseconds}毫秒。");
+        //}
+
         /// <summary>
         /// Kafka 推送消息
         /// </summary>
@@ -1089,15 +1109,15 @@ namespace JiShe.CollectBus.ScheduledMeterReading
         /// <param name="taskRecord">任务记录</param>
         /// <param name="partition">对应分区，也就是集中器号所在的分组序号</param>
         /// <returns></returns>
-        private async Task KafkaProducerIssuedMessageAction(string topicName,
-            MeterReadingTelemetryPacketInfo taskRecord, int partition)
+        private async Task KafkaProducerIssuedMessageAction<T>(string topicName,
+            T taskRecord, int partition) where T : class
         {
             if (string.IsNullOrWhiteSpace(topicName) || taskRecord == null)
             {
                 throw new Exception($"{nameof(KafkaProducerIssuedMessageAction)} 推送消息失败，参数异常,-101");
             }
 
-            await _producerService.ProduceAsync(topicName, partition, taskRecord);
+            await _producerService.ProduceAsync<T>(topicName, taskRecord, partition);
         }
 
         #endregion
diff --git a/services/JiShe.CollectBus.Domain/Ammeters/AmmeterInfo.cs b/services/JiShe.CollectBus.Domain/Ammeters/AmmeterInfo.cs
index c07950f..add3131 100644
--- a/services/JiShe.CollectBus.Domain/Ammeters/AmmeterInfo.cs
+++ b/services/JiShe.CollectBus.Domain/Ammeters/AmmeterInfo.cs
@@ -14,7 +14,7 @@ namespace JiShe.CollectBus.Ammeters
         /// 关系映射标识，用于ZSet的Member字段和Set的Value字段，具体值可以根据不同业务场景进行定义
         /// </summary>
         [Column(IsIgnore = true)]
-        public override string MemberId => $"{FocusId}:{MeterId}";
+        public override string MemberId => $"{FocusAddress}:{MeteringCode}";
 
         /// <summary>
         /// ZSet排序索引分数值，具体值可以根据不同业务场景进行定义，例如时间戳
diff --git a/services/JiShe.CollectBus.Domain/IotSystems/MeterReadingRecords/MeterReadingTelemetryPacketInfo.cs b/services/JiShe.CollectBus.Domain/IotSystems/MeterReadingRecords/MeterReadingTelemetryPacketInfo.cs
index 3bffbb8..3ac4202 100644
--- a/services/JiShe.CollectBus.Domain/IotSystems/MeterReadingRecords/MeterReadingTelemetryPacketInfo.cs
+++ b/services/JiShe.CollectBus.Domain/IotSystems/MeterReadingRecords/MeterReadingTelemetryPacketInfo.cs
@@ -28,7 +28,7 @@ namespace JiShe.CollectBus.IotSystems.MeterReadingRecords
         {
             get
             {
-                return $"{FocusAddress}.{TaskMark}".Md5Fun();
+                return $"{DeviceId}.{TaskMark}".Md5Fun();
             }
         }
          
@@ -67,13 +67,7 @@ namespace JiShe.CollectBus.IotSystems.MeterReadingRecords
         /// </summary>
         [FIELDColumn]
         public int MeterId { get; set; }
-
-        /// <summary>
-        /// 集中器地址
-        /// </summary>
-        [FIELDColumn]
-        public string FocusAddress { get; set; }
-
+          
         /// <summary>
         /// 表地址
         /// </summary>
@@ -172,7 +166,7 @@ namespace JiShe.CollectBus.IotSystems.MeterReadingRecords
         /// 是否已上报
         /// </summary>
         [FIELDColumn]
-        public bool IsReceived { get; set; }
+        public bool IsReceived { get; set; } 
 
     }
 }
diff --git a/shared/JiShe.CollectBus.Common/BuildSendDatas/TasksToBeIssueModel.cs b/shared/JiShe.CollectBus.Common/BuildSendDatas/TasksToBeIssueModel.cs
index 5184459..6420a23 100644
--- a/shared/JiShe.CollectBus.Common/BuildSendDatas/TasksToBeIssueModel.cs
+++ b/shared/JiShe.CollectBus.Common/BuildSendDatas/TasksToBeIssueModel.cs
@@ -11,6 +11,11 @@ namespace JiShe.CollectBus.Common.BuildSendDatas
     /// </summary>
     public class TasksToBeIssueModel
     {
+        /// <summary>
+        /// 上次下发任务的时间
+        /// </summary>
+        public DateTime? LastTaskTime { get; set; }
+
         /// <summary>
         /// 下个任务时间
         /// </summary>
diff --git a/shared/JiShe.CollectBus.Common/Enums/TimestampUnit.cs b/shared/JiShe.CollectBus.Common/Enums/TimestampUnit.cs
new file mode 100644
index 0000000..9bed83f
--- /dev/null
+++ b/shared/JiShe.CollectBus.Common/Enums/TimestampUnit.cs
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JiShe.CollectBus.Common.Enums
+{
+    public enum TimestampUnit
+    {
+        Seconds,      // 秒级（Unix 时间戳）
+        Milliseconds, // 毫秒级（默认）
+        Microseconds, // 微秒级
+        Nanoseconds   // 纳秒级
+    }
+}
diff --git a/shared/JiShe.CollectBus.Common/Extensions/DateTimeExtensions.cs b/shared/JiShe.CollectBus.Common/Extensions/DateTimeExtensions.cs
index e72f4fd..6936ad3 100644
--- a/shared/JiShe.CollectBus.Common/Extensions/DateTimeExtensions.cs
+++ b/shared/JiShe.CollectBus.Common/Extensions/DateTimeExtensions.cs
@@ -215,6 +215,43 @@ namespace JiShe.CollectBus.Common.Extensions
                 .AddHours(hours)
                 .AddMinutes(minutes);
         }
-         
+
+
+        /// <summary>
+        /// 格式化为微秒（μs）
+        /// </summary>
+        /// <param name="dt"></param>
+        /// <returns></returns>
+        public static string ToMicrosecondString(this DateTime dt)
+        {
+            long microseconds = (dt.Ticks % TimeSpan.TicksPerSecond) / 10; // 1 Tick = 100ns → 0.1μs
+            return $"{dt:yyyy-MM-dd HH:mm:ss.fffffff}".Remove(23) + $"{microseconds:D6}";
+        }
+
+        /// <summary>
+        /// 格式化为纳秒（ns）
+        /// </summary>
+        /// <param name="dt"></param>
+        /// <returns></returns>
+        public static string ToNanosecondString(this DateTime dt)
+        {
+            long nanoseconds = (dt.Ticks % TimeSpan.TicksPerSecond) * 100; // 1 Tick = 100ns
+            return $"{dt:yyyy-MM-dd HH:mm:ss.fffffff}".Remove(23) + $"{nanoseconds:D9}";
+        }
+
+        /// <summary>
+        /// 毫米、微秒、纳秒时间戳转DateTime
+        /// </summary>
+        /// <param name="dateLong"></param>
+        /// <returns></returns>
+        /// <exception cref="ArgumentException"></exception>
+        public static DateTime ParseIntToDate(long dateLong)
+        {
+            if (dateLong < 10000101 || dateLong > 99991231)
+            {
+                throw new ArgumentException("Date must be between 10000101 and 99991231.");
+            }
+            return DateTime.TryParseExact(dateLong.ToString(), "yyyyMMdd HHmmssZZ", null, System.Globalization.DateTimeStyles.None, out DateTime date) ? date : throw new ArgumentException("Date must be between 10000101 and 99991231.");
+        }
     }
 }
diff --git a/shared/JiShe.CollectBus.Common/Extensions/DateTimeOffsetExtensions.cs b/shared/JiShe.CollectBus.Common/Extensions/DateTimeOffsetExtensions.cs
index c73fbd0..0f07e9c 100644
--- a/shared/JiShe.CollectBus.Common/Extensions/DateTimeOffsetExtensions.cs
+++ b/shared/JiShe.CollectBus.Common/Extensions/DateTimeOffsetExtensions.cs
@@ -26,41 +26,7 @@ namespace JiShe.CollectBus.Common.Extensions
         {
             return DateTimeOffset.FromUnixTimeMilliseconds(millis).DateTime;
         }
-
-        /// <summary>
-        /// 采集时间节点计算
-        /// </summary>
-        /// <param name="referenceTime">待采集时间</param>
-        /// <param name="interval"></param>
-        /// <returns></returns>
-        public static DateTime CalculateNextCollectionTime(this DateTime referenceTime, int interval)
-        {
-            // 计算精确到分钟的基准时间
-            var baseTime = new DateTime(
-                referenceTime.Year,
-                referenceTime.Month,
-                referenceTime.Day,
-                referenceTime.Hour,
-                referenceTime.Minute,
-                0);
-
-            // 计算总分钟数和下一个间隔点
-            int totalMinutes = baseTime.Hour * 60 + baseTime.Minute;
-            int nextTotalMinutes = ((totalMinutes / interval) + 1) * interval;
-
-            // 处理跨天情况
-            int daysToAdd = nextTotalMinutes / (24 * 60);
-            int remainingMinutes = nextTotalMinutes % (24 * 60);
-            int hours = remainingMinutes / 60;
-            int minutes = remainingMinutes % 60;
-
-            return baseTime.Date
-                .AddDays(daysToAdd)
-                .AddHours(hours)
-                .AddMinutes(minutes);
-        }
-
-
+         
         /// <summary>
         /// 将 DateTime 时间转换为 DateTimeOffset 时间
         /// </summary>
@@ -75,27 +41,6 @@ namespace JiShe.CollectBus.Common.Extensions
 
             // 转换为 DateTimeOffset（自动应用本地时区偏移）
             return new DateTimeOffset(localDateTime);
-        }
-
-        private static readonly long UnixEpochTicks = new DateTimeOffset(1970, 1, 1, 0, 0, 0, TimeSpan.Zero).Ticks;
-
-        /// <summary>
-        /// 获取当前 DateTimeOffset 距离 Unix 纪元（1970-01-01）的微秒数
-        /// </summary>
-        public static long ToUnixTimeMicroseconds(this DateTimeOffset dateTimeOffset)
-        {
-            // Ticks 单位是 100 纳秒，转换为微秒需除以 10
-            long elapsedTicks = dateTimeOffset.Ticks - UnixEpochTicks;
-            return elapsedTicks / 10; // 1 微秒 = 1000 纳秒 = 10 Ticks
-        }
-
-        /// <summary>
-        /// 获取当前 DateTimeOffset 距离 Unix 纪元（1970-01-01）的纳秒数
-        /// </summary>
-        public static long ToUnixTimeNanoseconds(this DateTimeOffset dateTimeOffset)
-        {
-            long nanoseconds = (dateTimeOffset.Ticks - UnixEpochTicks) * 100;
-            return nanoseconds;
-        }
+        } 
     }
 }
diff --git a/shared/JiShe.CollectBus.Common/Helpers/TimestampHelper.cs b/shared/JiShe.CollectBus.Common/Helpers/TimestampHelper.cs
new file mode 100644
index 0000000..9edc3cd
--- /dev/null
+++ b/shared/JiShe.CollectBus.Common/Helpers/TimestampHelper.cs
@@ -0,0 +1,68 @@
+using JiShe.CollectBus.Common.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JiShe.CollectBus.Common.Helpers
+{
+    /// <summary>
+    /// 时间戳帮助类
+    /// </summary>
+    public static class TimestampHelper
+    {
+        private static readonly long UnixEpochTicks = new DateTimeOffset(1970, 1, 1, 0, 0, 0, TimeSpan.Zero).Ticks;
+
+        /// <summary>
+        /// 获取当前 DateTimeOffset 距离 Unix 纪元（1970-01-01）的微秒数
+        /// </summary>
+        public static long ToUnixTimeMicroseconds(this DateTimeOffset dateTimeOffset)
+        {
+            // Ticks 单位是 100 纳秒，转换为微秒需除以 10
+            long elapsedTicks = dateTimeOffset.Ticks - UnixEpochTicks;
+            return elapsedTicks / 10; // 1 微秒 = 1000 纳秒 = 10 Ticks
+        }
+
+        /// <summary>
+        /// 获取当前 DateTimeOffset 距离 Unix 纪元（1970-01-01）的纳秒数
+        /// </summary>
+        public static long ToUnixTimeNanoseconds(this DateTimeOffset dateTimeOffset)
+        {
+            long nanoseconds = (dateTimeOffset.Ticks - UnixEpochTicks) * 100;
+            return nanoseconds;
+        }
+
+        /// <summary>
+        /// 将 long 类型时间戳转换为 DateTime（UTC）
+        /// </summary>
+        /// <param name="timestamp">时间戳数值</param>
+        /// <param name="unit">时间戳单位</param>
+        public static DateTime ConvertToDateTime(long timestamp, TimestampUnit unit = TimestampUnit.Milliseconds)
+        {
+            long ticks = unit switch
+            {
+                TimestampUnit.Seconds => checked(timestamp * TimeSpan.TicksPerSecond),
+                TimestampUnit.Milliseconds => checked(timestamp * TimeSpan.TicksPerMillisecond),
+                TimestampUnit.Microseconds => checked(timestamp * 10), // 1微秒 = 10 Ticks（100纳秒）
+                TimestampUnit.Nanoseconds => checked(timestamp / 100),// 1 Tick = 100纳秒
+                _ => throw new ArgumentException("无效的时间单位", nameof(unit))
+            };
+
+            try
+            {
+                DateTime result = new DateTime(UnixEpochTicks + ticks, DateTimeKind.Utc);
+                // 校验结果是否在 DateTime 合法范围内（0001-01-01 至 9999-12-31）
+                if (result < DateTime.MinValue || result > DateTime.MaxValue)
+                {
+                    throw new ArgumentOutOfRangeException(nameof(timestamp), "时间戳超出 DateTime 范围");
+                }
+                return result;
+            }
+            catch (ArgumentOutOfRangeException ex)
+            {
+                throw new ArgumentOutOfRangeException("时间戳无效", ex);
+            }
+        }
+    }
+}
diff --git a/web/JiShe.CollectBus.Host/appsettings.json b/web/JiShe.CollectBus.Host/appsettings.json
index ed0e567..fca91bb 100644
--- a/web/JiShe.CollectBus.Host/appsettings.json
+++ b/web/JiShe.CollectBus.Host/appsettings.json
@@ -84,8 +84,8 @@
     "SaslPassword": "lixiao1980",
     "KafkaReplicationFactor": 3,
     "NumPartitions": 30,
-    "ServerTagName": "JiSheCollectBus3",
-    "FirstCollectionTime": "2025-04-21 16:11:00"
+    "ServerTagName": "JiSheCollectBus4",
+    "FirstCollectionTime": "2025-04-22 16:07:00"
   },
   "IoTDBOptions": {
     "UserName": "root",
@@ -93,7 +93,7 @@
     "ClusterList": [ "192.168.1.9:6667" ],
     "PoolSize": 2,
     "DataBaseName": "energy",
-    "OpenDebugMode": true,
+    "OpenDebugMode": false,
     "UseTableSessionPoolByDefault": false
   }, 
   "Cassandra": {