diff --git a/samples/Sample.AutoCreateIfPresent/Controllers/WeatherForecastController.cs b/samples/Sample.AutoCreateIfPresent/Controllers/WeatherForecastController.cs
index 314397be..1426ed39 100644
--- a/samples/Sample.AutoCreateIfPresent/Controllers/WeatherForecastController.cs
+++ b/samples/Sample.AutoCreateIfPresent/Controllers/WeatherForecastController.cs
@@ -38,7 +38,7 @@ public class WeatherForecastController : ControllerBase
 
     public async Task<IActionResult> Query()
     {
-        var list =await _defaultDbContext.Set<OrderByHour>().ToListAsync();
+        var list =await _defaultDbContext.Set<OrderByHour>().AsNoTracking().ToListAsync();
         return Ok(list);
     }
     public async Task<IActionResult> Insert()
diff --git a/samples/Sample.SqlServer/Controllers/ValuesController.cs b/samples/Sample.SqlServer/Controllers/ValuesController.cs
index 146731c8..ad4c713a 100644
--- a/samples/Sample.SqlServer/Controllers/ValuesController.cs
+++ b/samples/Sample.SqlServer/Controllers/ValuesController.cs
@@ -11,11 +11,13 @@ using System.Diagnostics;
 using System.Linq;
 using System.Linq.Expressions;
 using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore.Metadata;
 using ShardingCore.Core.VirtualRoutes.TableRoutes;
 using ShardingCore.Extensions.ShardingQueryableExtensions;
 using ShardingCore.Core;
 using ShardingCore.Core.RuntimeContexts;
 using ShardingCore.Extensions.ShardingPageExtensions;
+using ShardingCore.Helpers;
 using ShardingCore.Sharding.ReadWriteConfigurations.Abstractions;
 
 namespace Sample.SqlServer.Controllers
@@ -405,14 +407,13 @@ namespace Sample.SqlServer.Controllers
                 .ExecuteUpdateAsync(
                     s => s.SetProperty(b => b.Age, b => b.Age + 1));
          
-
+            var xxx = await _defaultTableDbContext.Set<SysUserMod>().Where(o => o.Name == "name_3")
+                .ExecuteDeleteAsync();
             return Ok();
         }
         [HttpGet]
         public async Task<IActionResult> Get9()
-
         {
-
             var resultx112331tt2 = await _defaultTableDbContext.Set<SysTest>().FromSqlRaw("select *from systest where id='3'").FirstOrDefaultAsync();
             
 
diff --git a/samples/Sample.SqlServer/Shardings/SysUserSalaryVirtualTableRoute.cs b/samples/Sample.SqlServer/Shardings/SysUserSalaryVirtualTableRoute.cs
index 539f7620..8fafcc0a 100644
--- a/samples/Sample.SqlServer/Shardings/SysUserSalaryVirtualTableRoute.cs
+++ b/samples/Sample.SqlServer/Shardings/SysUserSalaryVirtualTableRoute.cs
@@ -1,8 +1,10 @@
 using System;
 using System.Collections.Generic;
 using System.Linq.Expressions;
+using Microsoft.Extensions.DependencyInjection;
 using Sample.SqlServer.Domain.Entities;
 using ShardingCore.Core.EntityMetadatas;
+using ShardingCore.Core.RuntimeContexts;
 using ShardingCore.Core.VirtualRoutes;
 using ShardingCore.Core.VirtualRoutes.TableRoutes.Abstractions;
 using ShardingCore.Sharding.EntityQueryConfigurations;
@@ -28,6 +30,7 @@ namespace Sample.SqlServer.Shardings
 
         public override List<string> GetTails()
         {
+            var shardingRuntimeContext = RouteShardingProvider.ApplicationServiceProvider.GetRequiredService<IShardingRuntimeContext>();
             var beginTime = new DateTime(2020, 1, 1);
             var endTime = new DateTime(2021, 12, 1);
             var list = new List<string>(24);
diff --git a/src/ShardingCore/Core/EntityMetadatas/DefaultEntityMetadataManager.cs b/src/ShardingCore/Core/EntityMetadatas/DefaultEntityMetadataManager.cs
index 67322c7d..e13ff8f7 100644
--- a/src/ShardingCore/Core/EntityMetadatas/DefaultEntityMetadataManager.cs
+++ b/src/ShardingCore/Core/EntityMetadatas/DefaultEntityMetadataManager.cs
@@ -144,27 +144,30 @@ namespace ShardingCore.Core.EntityMetadatas
                     }
                 }
                 metadata.SetEntityModel(efEntityType);
-                if (string.IsNullOrWhiteSpace(metadata.LogicTableName))
+                if (!metadata.IsView)
                 {
-                    throw new ShardingCoreInvalidOperationException(
-                        $"init model error, cant get logic table name:[{metadata.LogicTableName}] from  entity:[{efEntityType.ClrType}]");
-                }
-                if (!_logicTableCaches.TryGetValue(metadata.LogicTableName, out var metadatas))
-                {
-                    metadatas = new List<EntityMetadata>();
-                    _logicTableCaches.TryAdd(metadata.LogicTableName, metadatas);
-                }
+                    if (string.IsNullOrWhiteSpace(metadata.LogicTableName))
+                    {
+                        throw new ShardingCoreInvalidOperationException(
+                            $"init model error, cant get logic table name:[{metadata.LogicTableName}] from  entity:[{efEntityType.ClrType}]");
+                    }
+                    if (!_logicTableCaches.TryGetValue(metadata.LogicTableName, out var metadatas))
+                    {
+                        metadatas = new List<EntityMetadata>();
+                        _logicTableCaches.TryAdd(metadata.LogicTableName, metadatas);
+                    }
 
-                if (metadatas.All(o => o.EntityType != efEntityType.ClrType))
-                {
-                    metadatas.Add(metadata);
-                    return true;
-                }
-                //添加完成后检查逻辑表对应的对象不可以存在两个以上的分片
-                if (metadatas.Count > 1 && metadatas.Any(o => o.IsShardingTable() || o.IsShardingDataSource()))
-                {
-                    throw new ShardingCoreInvalidOperationException(
-                        $"cant add logic table name caches for metadata:[{metadata.LogicTableName}-{efEntityType.ClrType}]");
+                    if (metadatas.All(o => o.EntityType != efEntityType.ClrType))
+                    {
+                        metadatas.Add(metadata);
+                        return true;
+                    }
+                    //添加完成后检查逻辑表对应的对象不可以存在两个以上的分片
+                    if (metadatas.Count > 1 && metadatas.Any(o => o.IsShardingTable() || o.IsShardingDataSource()))
+                    {
+                        throw new ShardingCoreInvalidOperationException(
+                            $"cant add logic table name caches for metadata:[{metadata.LogicTableName}-{efEntityType.ClrType}]");
+                    }
                 }
             }
 
diff --git a/src/ShardingCore/Core/EntityMetadatas/EntityMetadata.cs b/src/ShardingCore/Core/EntityMetadatas/EntityMetadata.cs
index 040589c9..fc840ac2 100644
--- a/src/ShardingCore/Core/EntityMetadatas/EntityMetadata.cs
+++ b/src/ShardingCore/Core/EntityMetadatas/EntityMetadata.cs
@@ -81,6 +81,8 @@ namespace ShardingCore.Core.EntityMetadatas
         /// 逻辑表名
         /// </summary>
         public string LogicTableName { get; private set; }
+
+        public bool IsView { get; private set; } = false;
         /**
          * 对象表所属schema
          */
@@ -104,12 +106,17 @@ namespace ShardingCore.Core.EntityMetadatas
         public void SetEntityModel(IEntityType dbEntityType)
         {
             LogicTableName = dbEntityType.GetEntityTypeTableName();
+            Schema = dbEntityType.GetEntityTypeSchema();
+            if (string.IsNullOrWhiteSpace(LogicTableName))
+            {
+                IsView = dbEntityType.GetEntityTypeIsView();
+            }
+            
             QueryFilterExpression =
                 dbEntityType.GetAnnotations().FirstOrDefault(o => o.Name == QueryFilter)?.Value as LambdaExpression;
             PrimaryKeyProperties = dbEntityType.FindPrimaryKey()?.Properties?.Select(o => o.PropertyInfo)?.ToList() ??
                                    new List<PropertyInfo>();
             IsSingleKey = PrimaryKeyProperties.Count == 1;
-            Schema = dbEntityType.GetEntityTypeSchema();
         }
 
 
diff --git a/src/ShardingCore/Extensions/InternalExtensions/InternalIEntityTypeExtension.cs b/src/ShardingCore/Extensions/InternalExtensions/InternalIEntityTypeExtension.cs
index 1e34224a..5ad8f9bc 100644
--- a/src/ShardingCore/Extensions/InternalExtensions/InternalIEntityTypeExtension.cs
+++ b/src/ShardingCore/Extensions/InternalExtensions/InternalIEntityTypeExtension.cs
@@ -35,5 +35,16 @@ namespace ShardingCore.Extensions.InternalExtensions
 #endif
             return tableName;
         }
+
+        public static bool GetEntityTypeIsView(this IEntityType entityType)
+        {
+#if !EFCORE2&&!EFCORE3
+            return !string.IsNullOrWhiteSpace(entityType.GetViewName());
+#endif
+#if EFCORE2 ||EFCORE3
+            return false;
+#endif
+            
+        }
     }
 }