diff --git a/nuget-publish.bat b/nuget-publish.bat
index 85316005..87a804d2 100644
--- a/nuget-publish.bat
+++ b/nuget-publish.bat
@@ -1,9 +1,9 @@
 :start
 ::定义版本
-set EFCORE2=2.3.1.81
-set EFCORE3=3.3.1.81
-set EFCORE5=5.3.1.81
-set EFCORE6=6.3.1.81
+set EFCORE2=2.3.1.82
+set EFCORE3=3.3.1.82
+set EFCORE5=5.3.1.82
+set EFCORE6=6.3.1.82
 
 ::删除所有bin与obj下的文件
 @echo off
diff --git a/samples/Sample.SqlServerShardingDataSource/Startup.cs b/samples/Sample.SqlServerShardingDataSource/Startup.cs
index e6b089e6..2f28cc8d 100644
--- a/samples/Sample.SqlServerShardingDataSource/Startup.cs
+++ b/samples/Sample.SqlServerShardingDataSource/Startup.cs
@@ -8,6 +8,7 @@ using Microsoft.Extensions.Logging;
 using Sample.SqlServerShardingDataSource.VirtualRoutes;
 using ShardingCore;
 using System.Collections.Generic;
+using ShardingCore.TableExists;
 
 namespace Sample.SqlServerShardingDataSource
 {
@@ -38,7 +39,7 @@ namespace Sample.SqlServerShardingDataSource
                     op.AutoTrackEntity = true;
                     //�����ʹ��code-first����ѡ��false
                     op.CreateShardingTableOnStart = true;
-                    //�����ʹ��code-first�����޸�Ϊfsle
+                    //�����ʹ��code-first�����޸�Ϊfalse
                     op.EnsureCreatedWithOutShardingTable = true;
                 }).AddShardingTransaction((connection, builder) =>
                 {
@@ -63,7 +64,8 @@ namespace Sample.SqlServerShardingDataSource
                 {
                     op.AddShardingDatabaseRoute<SysUserVirtualDataSourceRoute>();
                     op.AddShardingDatabaseRoute<OrderVirtualDataSourceRoute>();
-                }).End();
+                }).AddTableEnsureManager(sp=>new SqlServerTableEnsureManager<MyDbContext>())
+                .End();
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
diff --git a/src/ShardingCore/DynamicDataSources/DefaultDataSourceInitializer.cs b/src/ShardingCore/DynamicDataSources/DefaultDataSourceInitializer.cs
index ba902050..d1215a75 100644
--- a/src/ShardingCore/DynamicDataSources/DefaultDataSourceInitializer.cs
+++ b/src/ShardingCore/DynamicDataSources/DefaultDataSourceInitializer.cs
@@ -53,12 +53,17 @@ namespace ShardingCore.DynamicDataSources
             _logger = logger;
         }
         public void InitConfigure(string dataSourceName, string connectionString)
+        {
+            InitConfigure(dataSourceName,connectionString, _shardingConfigOption.EnsureCreatedWithOutShardingTable);
+        }
+
+        public void InitConfigure(string dataSourceName, string connectionString, bool createDatabase)
         {
             using (var serviceScope = ShardingContainer.ServiceProvider.CreateScope())
             {
                 _virtualDataSource.AddPhysicDataSource(new DefaultPhysicDataSource(dataSourceName, connectionString, false));
                 using var context = serviceScope.ServiceProvider.GetService<TShardingDbContext>();
-                if (_shardingConfigOption.EnsureCreatedWithOutShardingTable)
+                if (createDatabase)
                     EnsureCreated(context, dataSourceName);
                 var tableEnsureManager = ShardingContainer.GetService<ITableEnsureManager<TShardingDbContext>>();
                 //获取数据库存在的所有的表
@@ -99,6 +104,7 @@ namespace ShardingCore.DynamicDataSources
                 }
             }
         }
+
         private void CreateDataTable(string dataSourceName, IVirtualTable virtualTable, ISet<string> existTables)
         {
             var entityMetadata = virtualTable.EntityMetadata;
diff --git a/src/ShardingCore/DynamicDataSources/IDataSourceInitializer`1.cs b/src/ShardingCore/DynamicDataSources/IDataSourceInitializer`1.cs
index d03a9c4b..78b9f332 100644
--- a/src/ShardingCore/DynamicDataSources/IDataSourceInitializer`1.cs
+++ b/src/ShardingCore/DynamicDataSources/IDataSourceInitializer`1.cs
@@ -11,5 +11,6 @@ namespace ShardingCore.DynamicDataSources
     public interface IDataSourceInitializer<TShardingDbContext> where TShardingDbContext : DbContext, IShardingDbContext
     {
         void InitConfigure(string dataSourceName, string connectionString);
+        void InitConfigure(string dataSourceName, string connectionString,bool createDatabase);
     }
 }
diff --git a/src/ShardingCore/VirtualRoutes/Abstractions/AbstractShardingAutoCreateOperatorVirtualTableRoute.cs b/src/ShardingCore/VirtualRoutes/Abstractions/AbstractShardingAutoCreateOperatorVirtualTableRoute.cs
index f1da79ae..5647e330 100644
--- a/src/ShardingCore/VirtualRoutes/Abstractions/AbstractShardingAutoCreateOperatorVirtualTableRoute.cs
+++ b/src/ShardingCore/VirtualRoutes/Abstractions/AbstractShardingAutoCreateOperatorVirtualTableRoute.cs
@@ -43,7 +43,15 @@ namespace ShardingCore.VirtualRoutes.Abstractions
         /// 显示错误日志
         /// </summary>
         public virtual bool DoLogError => false;
-
+        /// <summary>
+        /// 默认会在设置时间后10分钟获取tail
+        /// </summary>
+        public virtual int IncrementMinutes => 10;
+        /// <summary>
+        /// 重写改方法后请一起重写IncrementMinutes值，比如你按月分表但是你设置cron表达式为月中的时候建表，
+        /// 那么会在月中的时候 <code>DateTime.Now.AddMinutes(IncrementMinutes);</code>来获取tail会导致还是当月的所以不会建表
+        /// </summary>
+        /// <returns></returns>
         public abstract string[] GetCronExpressions();
         public Task ExecuteAsync()
         {
@@ -58,7 +66,7 @@ namespace ShardingCore.VirtualRoutes.Abstractions
             var entityMetadataManager = (IEntityMetadataManager)ShardingContainer.GetService(typeof(IEntityMetadataManager<>).GetGenericType0(EntityMetadata.ShardingDbContextType));
             var virtualDataSource = (IVirtualDataSource)ShardingContainer.GetService(typeof(IVirtualDataSource<>).GetGenericType0(EntityMetadata.ShardingDbContextType));
             var tableCreator = (IShardingTableCreator)ShardingContainer.GetService(typeof(IShardingTableCreator<>).GetGenericType0(EntityMetadata.ShardingDbContextType));
-            var now = DateTime.Now.AddMinutes(10);
+            var now = DateTime.Now.AddMinutes(IncrementMinutes);
             var tail = virtualTable.GetVirtualRoute().ShardingKeyToTail(now);
             ISet<string> dataSources = new HashSet<string>();
             if (entityMetadataManager.IsShardingDataSource(typeof(TEntity)))