diff --git a/IoTSharp.Data.TimeSeries/ShardingStorage.cs b/IoTSharp.Data.TimeSeries/ShardingStorage.cs
index 4d904938717e08881ca604812acd94ea871cf86e..3d55fc92d9b85c98288f2e22db46d24e3d8a9a3a 100644
--- a/IoTSharp.Data.TimeSeries/ShardingStorage.cs
+++ b/IoTSharp.Data.TimeSeries/ShardingStorage.cs
@@ -1,29 +1,18 @@
 using IoTSharp.Contracts;
 using IoTSharp.Data;
+using IoTSharp.Data.Shardings;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
-using IoTSharp.Data.Shardings;
 
 namespace IoTSharp.Storage
 {
-    /// <summary>
-    /// 由于此模式目前无法通过EFCore.Sharding 进行Group By 获取最新遥测数据， 和Select  新对象， 所以， 最新遥测依然从DataStorage表里获取，历史从分表里获取
-    /// 更多内容可以参考<seealso cref="https://github.com/Coldairarrow/EFCore.Sharding/issues/52"/>
-    /// </summary>
     public class ShardingStorage : IStorage
     {
         private readonly AppSettings _appSettings;
         private readonly ILogger _logger;
-        //private readonly IServiceScope scope;
         private readonly IServiceScopeFactory _scopeFactor;
-      
 
         public ShardingStorage(ILogger<ShardingStorage> logger, IServiceScopeFactory scopeFactor
            , IOptions<AppSettings> options
@@ -31,7 +20,6 @@ namespace IoTSharp.Storage
         {
             _appSettings = options.Value;
             _logger = logger;
-            //scope = scopeFactor.CreateScope();
             _scopeFactor = scopeFactor;
         }
 
@@ -53,7 +41,7 @@ namespace IoTSharp.Storage
             }
             catch (Exception ex)
             {
-                _logger.LogError(ex, $"{ deviceId}数据处理失败{ex.Message} {ex.InnerException?.Message} ");
+                _logger.LogError(ex, $"{deviceId}数据处理失败{ex.Message} {ex.InnerException?.Message} ");
                 throw;
             }
         }
@@ -77,13 +65,11 @@ namespace IoTSharp.Storage
             }
             catch (Exception ex)
             {
-                _logger.LogError(ex, $"{ deviceId}数据处理失败{ex.Message} {ex.InnerException?.Message} ");
+                _logger.LogError(ex, $"{deviceId}数据处理失败{ex.Message} {ex.InnerException?.Message} ");
                 throw;
             }
         }
 
-         
-
         public Task<List<TelemetryDataDto>> LoadTelemetryAsync(Guid deviceId, string keys, DateTime begin, DateTime end, TimeSpan every, Aggregate aggregate)
         {
             return Task.Run(() =>
@@ -112,13 +98,12 @@ namespace IoTSharp.Storage
                 }
                 catch (Exception ex)
                 {
-                    _logger.LogError(ex, $"{ deviceId}数据处理失败{ex.Message} {ex.InnerException?.Message} ");
+                    _logger.LogError(ex, $"{deviceId}数据处理失败{ex.Message} {ex.InnerException?.Message} ");
                     throw;
                 }
             });
         }
- 
-        
+
         public async Task<(bool result, List<TelemetryData> telemetries)> StoreTelemetryAsync(PlayloadData msg)
         {
             bool result = false;
@@ -135,7 +120,7 @@ namespace IoTSharp.Storage
                                      {
                                          if (kp.Value != null)
                                          {
-                                             var tdata = new TelemetryData() { DateTime = msg.ts, DeviceId = msg.DeviceId, KeyName = kp.Key};
+                                             var tdata = new TelemetryData() { DateTime = msg.ts, DeviceId = msg.DeviceId, KeyName = kp.Key };
                                              tdata.FillKVToMe(kp);
                                              lst.Add(tdata);
                                              telemetries.Add(tdata);
@@ -150,7 +135,6 @@ namespace IoTSharp.Storage
                 _logger.LogError(ex, $"{msg.DeviceId}数据处理失败{ex.Message} {ex.InnerException?.Message} ");
             }
 
-
             try
             {
                 using (var scope = _scopeFactor.CreateScope())
@@ -171,7 +155,7 @@ namespace IoTSharp.Storage
             {
                 _logger.LogError(ex, $"{msg.DeviceId}数据处理失败{ex.Message} {ex.InnerException?.Message} ");
             }
-            return (result,telemetries);
+            return (result, telemetries);
         }
     }
 }
\ No newline at end of file