diff --git a/samples/Sample.AutoCreateIfPresent/Controllers/TestController.cs b/samples/Sample.AutoCreateIfPresent/Controllers/TestController.cs
new file mode 100644
index 00000000..2679af70
--- /dev/null
+++ b/samples/Sample.AutoCreateIfPresent/Controllers/TestController.cs
@@ -0,0 +1,58 @@
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+
+namespace Sample.AutoCreateIfPresent.Controllers;
+
+[ApiController]
+[Route("[controller]/[action]")]
+public class TestController : ControllerBase
+{
+    private readonly ILogger<WeatherForecastController> _logger;
+    private readonly DefaultDbContext _defaultDbContext;
+
+    public TestController(ILogger<WeatherForecastController> logger,DefaultDbContext defaultDbContext)
+    {
+        _logger = logger;
+        _defaultDbContext = defaultDbContext;
+    }
+
+    public IActionResult HelloWorld()
+    {
+        return Ok("hello world");
+    }
+
+    public async Task<IActionResult> Query()
+    {
+        var list =await _defaultDbContext.Set<OrderByHour>().ToListAsync();
+        return Ok(list);
+    }
+    public async Task<IActionResult> Insert()
+    {
+        var orderByHour = new OrderByHour();
+        orderByHour.Id = Guid.NewGuid().ToString("n");
+        orderByHour.Name=$"Name:"+ Guid.NewGuid().ToString("n");
+        var dateTime = DateTime.Now;
+        orderByHour.CreateTime = dateTime.AddHours(new Random().Next(1, 20));
+        await _defaultDbContext.AddAsync(orderByHour);
+        await _defaultDbContext.SaveChangesAsync();
+        return Ok();
+    }
+    public async Task<IActionResult> Query1()
+    {
+        var list = await _defaultDbContext.Set<AreaDevice>().ToListAsync();
+        return Ok(list);
+    }
+    public async Task<IActionResult> Insert1()
+    {
+        var list = new List<string>(){"A","B","C","D","E", "F", "G" };
+        var orderByHour = new AreaDevice();
+        orderByHour.Id = Guid.NewGuid().ToString("n");
+        orderByHour.Area = list[new Random().Next(0, list.Count)];
+        var dateTime = DateTime.Now;
+        orderByHour.CreateTime = dateTime.AddHours(new Random().Next(1, 20));
+        await _defaultDbContext.AddAsync(orderByHour);
+        await _defaultDbContext.SaveChangesAsync();
+        return Ok();
+    }
+    
+}
\ No newline at end of file
diff --git a/samples/Sample.AutoCreateIfPresent/Controllers/WeatherForecastController.cs b/samples/Sample.AutoCreateIfPresent/Controllers/WeatherForecastController.cs
index 0f61f0fe..5f1784ec 100644
--- a/samples/Sample.AutoCreateIfPresent/Controllers/WeatherForecastController.cs
+++ b/samples/Sample.AutoCreateIfPresent/Controllers/WeatherForecastController.cs
@@ -1,3 +1,4 @@
+using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
 
diff --git a/samples/Sample.AutoCreateIfPresent/OrderByHourRoute.cs b/samples/Sample.AutoCreateIfPresent/OrderByHourRoute.cs
index 1b2d5f0b..ccf21bb3 100644
--- a/samples/Sample.AutoCreateIfPresent/OrderByHourRoute.cs
+++ b/samples/Sample.AutoCreateIfPresent/OrderByHourRoute.cs
@@ -14,6 +14,7 @@ using ShardingCore.Core.VirtualRoutes.TableRoutes.Abstractions;
 using ShardingCore.Exceptions;
 using ShardingCore.Extensions;
 using ShardingCore.TableCreator;
+using ShardingCore.TableExists;
 
 /*
 * @Author: xjm
@@ -43,6 +44,11 @@ namespace Sample.AutoCreateIfPresent
             _shardingTableCreator = shardingTableCreator;
         }
 
+        public override string ShardingKeyToTail(object shardingKey)
+        {
+            var dateTime = (DateTime)shardingKey;
+            return ShardingKeyFormat(dateTime);
+        }
         private string ShardingKeyFormat(DateTime dateTime)
         {
             var tail = $"{dateTime:yyyyMMddHH}";
@@ -50,12 +56,6 @@ namespace Sample.AutoCreateIfPresent
             return tail;
         }
 
-        public override string ShardingKeyToTail(object shardingKey)
-        {
-            var dateTime = (DateTime)shardingKey;
-            return ShardingKeyFormat(dateTime);
-        }
-
         /// <summary>
         /// 如果你是非mysql数据库请自行实现这个方法返回当前类在数据库已经存在的后缀
         /// 仅启动时调用
@@ -134,6 +134,7 @@ namespace Sample.AutoCreateIfPresent
                     if (!_tails.TryGetValue(shardingKeyToTail,out var _))
                     {
                         var virtualTable = _virtualTableManager.GetVirtualTable(typeof(OrderByHour));
+//必须先执行AddPhysicTable在进行CreateTable
                         _virtualTableManager.AddPhysicTable(virtualTable, new DefaultPhysicTable(virtualTable, shardingKeyToTail));
                         try
                         {
diff --git a/samples/Sample.AutoCreateIfPresent/Program.cs b/samples/Sample.AutoCreateIfPresent/Program.cs
index daf29079..61555ac9 100644
--- a/samples/Sample.AutoCreateIfPresent/Program.cs
+++ b/samples/Sample.AutoCreateIfPresent/Program.cs
@@ -16,8 +16,8 @@ var builder = WebApplication.CreateBuilder(args);
 
 builder.Services.AddControllers();
 // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
-builder.Services.AddEndpointsApiExplorer();
-builder.Services.AddSwaggerGen();
+// builder.Services.AddEndpointsApiExplorer();
+// builder.Services.AddSwaggerGen();
 builder.Services.AddShardingDbContext<DefaultDbContext>()
     .AddEntityConfig(o =>
     {
@@ -30,7 +30,7 @@ builder.Services.AddShardingDbContext<DefaultDbContext>()
     .AddConfig(o =>
     {
         o.ConfigId = "c1";
-        o.AddDefaultDataSource("ds0", "server=127.0.0.1;port=3306;database=shardingTest;userid=root;password=L6yBtV6qNENrwBy7;");
+        o.AddDefaultDataSource("ds0", "server=127.0.0.1;port=3306;database=shardingTest;userid=root;password=root;");
         o.UseShardingQuery((conn, b) =>
         {
             b.UseMySql(conn, new MySqlServerVersion(new Version())).UseLoggerFactory(efLogger);
@@ -46,8 +46,8 @@ var app = builder.Build();
 // Configure the HTTP request pipeline.
 if (app.Environment.IsDevelopment())
 {
-    app.UseSwagger();
-    app.UseSwaggerUI();
+    // app.UseSwagger();
+    // app.UseSwaggerUI();
 }
 app.Services.GetRequiredService<IShardingBootstrapper>().Start();
 
diff --git a/src/ShardingCore/Core/VirtualRoutes/TableRoutes/IVirtualTableRoute.cs b/src/ShardingCore/Core/VirtualRoutes/TableRoutes/IVirtualTableRoute.cs
index 31e14904..b3ce6004 100644
--- a/src/ShardingCore/Core/VirtualRoutes/TableRoutes/IVirtualTableRoute.cs
+++ b/src/ShardingCore/Core/VirtualRoutes/TableRoutes/IVirtualTableRoute.cs
@@ -39,7 +39,7 @@ namespace ShardingCore.Core.VirtualRoutes.TableRoutes
         /// <returns></returns>
         IPhysicTable RouteWithValue(List<IPhysicTable> allPhysicTables, object shardingKey);
         /// <summary>
-        /// 获取所有的目前数据库存在的尾巴
+        /// 获取所有的目前数据库存在的尾巴,仅启动时调用
         /// get all tails in the db
         /// </summary>
         /// <returns></returns>
diff --git a/src/ShardingCore/VirtualRoutes/Abstractions/AbstractShardingAutoCreateOperatorVirtualTableRoute.cs b/src/ShardingCore/VirtualRoutes/Abstractions/AbstractShardingAutoCreateOperatorVirtualTableRoute.cs
index 516e938a..c4fcb955 100644
--- a/src/ShardingCore/VirtualRoutes/Abstractions/AbstractShardingAutoCreateOperatorVirtualTableRoute.cs
+++ b/src/ShardingCore/VirtualRoutes/Abstractions/AbstractShardingAutoCreateOperatorVirtualTableRoute.cs
@@ -77,6 +77,7 @@ namespace ShardingCore.VirtualRoutes.Abstractions
             var allVirtualDataSources = virtualDataSourceManager.GetAllVirtualDataSources();
             var now = DateTime.Now.AddMinutes(IncrementMinutes);
             var tail = ConvertNowToTail(now);
+//必须先执行AddPhysicTable在进行CreateTable
             virtualTableManager.AddPhysicTable(virtualTable, new DefaultPhysicTable(virtualTable, tail));
             foreach (var virtualDataSource in allVirtualDataSources)
             {