diff --git a/samples/apis/Backet.Api/Controllers/BacketController.cs b/samples/apis/Backet.Api/Controllers/BacketController.cs
index 405abc0..2b63024 100644
--- a/samples/apis/Backet.Api/Controllers/BacketController.cs
+++ b/samples/apis/Backet.Api/Controllers/BacketController.cs
@@ -44,8 +44,7 @@ namespace Backet.Api.Controllers
         public Task<bool> RemoveFirstItem()
         {
             var id = "da8a489fa7b4409294ee1b358fbbfba5";
-            var grain = clusterClient.GetGrain<IBacketGrain>(id);
-            clusterClient.
+            var grain = clusterClient.GetGrain<IBacketGrain>(id);         
             return grain.RemoveFirstItem();
         }
     }
diff --git a/samples/apis/Backet.Api/Startup.cs b/samples/apis/Backet.Api/Startup.cs
index 9436c30..8ef5c57 100644
--- a/samples/apis/Backet.Api/Startup.cs
+++ b/samples/apis/Backet.Api/Startup.cs
@@ -27,6 +27,15 @@ namespace Backet.Api
             services.AddDbContextPool<BacketDbContext>(options => options.UseNpgsql(Configuration["postgres:write"]));
             services.AddControllers();
 
+            services.AddPole(config => {
+                config.AddRabbitMQ(option =>
+                {
+                    option.Hosts = new string[1] { Configuration["RabbitmqConfig:HostAddress"] };
+                    option.Password = Configuration["RabbitmqConfig:HostPassword"];
+                    option.UserName = Configuration["RabbitmqConfig:HostUserName"];
+                });
+            });
+
             services.ConfigureGrainStorageOptions<BacketDbContext, BacketGrain, Backet.Api.Domain.AggregatesModel.BacketAggregate.Backet>(
             options =>
             {
@@ -44,6 +53,7 @@ namespace Backet.Api
                 app.UseDeveloperExceptionPage();
             }
 
+            app.UsePole();
             app.UseRouting();
 
             app.UseEndpoints(endpoints =>
diff --git a/src/Pole.Core/EventBus/ObserverUnitContainer.cs b/src/Pole.Core/EventBus/ObserverUnitContainer.cs
index 3b5c0f7..e832ec4 100644
--- a/src/Pole.Core/EventBus/ObserverUnitContainer.cs
+++ b/src/Pole.Core/EventBus/ObserverUnitContainer.cs
@@ -1,5 +1,4 @@
 using Microsoft.Extensions.Logging;
-using Pole.Core.Observer;
 using Pole.Core.Utils;
 using System;
 using System.Collections.Concurrent;
diff --git a/src/Pole.Core/Extensions/IServiceProviderExtensions.cs b/src/Pole.Core/Extensions/PoleApplicationBuilderExtensions.cs
similarity index 84%
rename from src/Pole.Core/Extensions/IServiceProviderExtensions.cs
rename to src/Pole.Core/Extensions/PoleApplicationBuilderExtensions.cs
index 608a6ab..45e5ec4 100644
--- a/src/Pole.Core/Extensions/IServiceProviderExtensions.cs
+++ b/src/Pole.Core/Extensions/PoleApplicationBuilderExtensions.cs
@@ -1,11 +1,12 @@
 using Microsoft.AspNetCore.Builder;
+using Pole.Core;
 using System;
 using System.Collections.Generic;
 using System.Text;
 
-namespace Pole.Core.Extensions
+namespace  Microsoft.AspNetCore.Builder
 {
-    public static class IApplicationBuilderExtensions
+    public static class PoleApplicationBuilderExtensions
     {
         public static IApplicationBuilder UsePole(this IApplicationBuilder applicationBuilder)
         {
diff --git a/src/Pole.Core/Extensions/IServiceCollectionExtensions.cs b/src/Pole.Core/Extensions/PoleServiceCollectionExtensions.cs
similarity index 83%
rename from src/Pole.Core/Extensions/IServiceCollectionExtensions.cs
rename to src/Pole.Core/Extensions/PoleServiceCollectionExtensions.cs
index 8464d7b..0ebe8ef 100644
--- a/src/Pole.Core/Extensions/IServiceCollectionExtensions.cs
+++ b/src/Pole.Core/Extensions/PoleServiceCollectionExtensions.cs
@@ -1,4 +1,5 @@
 using Microsoft.Extensions.DependencyInjection;
+using Pole.Core;
 using Pole.Core.Abstraction;
 using Pole.Core.Channels;
 using Pole.Core.EventBus;
@@ -12,12 +13,17 @@ using System;
 using System.Collections.Generic;
 using System.Text;
 
-namespace Pole.Core.Extensions
+namespace Microsoft.Extensions.DependencyInjection
 {
-    public static class IServiceCollectionExtensions
+    public static class PoleServiceCollectionExtensions
     {
-        public static IServiceCollection AddPole(this IServiceCollection services,Action<PoleOptions> config)
+        public static IServiceCollection AddPole(this IServiceCollection services,Action<StartupConfig> config)
         {
+            StartupConfig startupOption = new StartupConfig(services);
+            if (startupOption.PoleOptionsConfig == null)
+            {
+                services.Configure<PoleOptions>(option => { });
+            }
             services.AddSingleton<IEventTypeFinder, EventTypeFinder>();
             services.AddTransient(typeof(IMpscChannel<>), typeof(MpscChannel<>));
             services.AddScoped<IBus, Bus>();
@@ -26,10 +32,11 @@ namespace Pole.Core.Extensions
             services.AddSingleton<IGeneratorIdSolver, InstanceIPV4_16IdGeneratorIdSolver>();
             services.AddSingleton<ISnowflakeIdGenerator, SnowflakeIdGenerator>();
 
-
             services.AddSingleton<IProcessor, PendingMessageRetryProcessor>();
             services.AddSingleton<IProcessor, ExpiredEventsCollectorProcessor>();
             services.AddHostedService<BackgroundServiceBasedProcessorServer>();
+
+            config(startupOption);
             return services;
         }
     }
diff --git a/src/Pole.Core/Processor/Server/BackgroundServiceBasedProcessorServer.cs b/src/Pole.Core/Processor/Server/BackgroundServiceBasedProcessorServer.cs
index fe8a0b8..fcba568 100644
--- a/src/Pole.Core/Processor/Server/BackgroundServiceBasedProcessorServer.cs
+++ b/src/Pole.Core/Processor/Server/BackgroundServiceBasedProcessorServer.cs
@@ -1,6 +1,7 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
+using Pole.Core.EventBus.EventStorage;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -21,6 +22,8 @@ namespace Pole.Core.Processor.Server
         }
         public async Task Start(CancellationToken stoppingToken)
         {
+            var eventStorageInitializer = _serviceProvider.GetService<IEventStorageInitializer>();
+            await eventStorageInitializer.InitializeAsync(stoppingToken);
 
             ProcessingContext processingContext = new ProcessingContext(stoppingToken);
             List<LoopProcessor> loopProcessors = new List<LoopProcessor>();
diff --git a/src/Pole.Core/Startup.cs b/src/Pole.Core/Startup.cs
index 8f98d93..e77a66a 100644
--- a/src/Pole.Core/Startup.cs
+++ b/src/Pole.Core/Startup.cs
@@ -1,4 +1,5 @@
-using System;
+using Microsoft.Extensions.DependencyInjection;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
@@ -28,4 +29,13 @@ namespace Pole.Core
             public Func<IServiceProvider, Task> Func { get; set; }
         }
     }
+    public class StartupConfig
+    {
+        public StartupConfig(IServiceCollection services)
+        {
+            Services = services;
+        }
+        public IServiceCollection Services { get; }
+        public Action<PoleOptions> PoleOptionsConfig { get; set; }
+    }
 }
diff --git a/src/Pole.EventBus.Rabbitmq/Extensions.cs b/src/Pole.EventBus.Rabbitmq/PoleRabbitmqStartupConfigExtensions.cs
similarity index 66%
rename from src/Pole.EventBus.Rabbitmq/Extensions.cs
rename to src/Pole.EventBus.Rabbitmq/PoleRabbitmqStartupConfigExtensions.cs
index 91bed51..837b8a7 100644
--- a/src/Pole.EventBus.Rabbitmq/Extensions.cs
+++ b/src/Pole.EventBus.Rabbitmq/PoleRabbitmqStartupConfigExtensions.cs
@@ -3,21 +3,22 @@ using System.Threading.Tasks;
 using Microsoft.Extensions.DependencyInjection;
 using Pole.Core;
 using Pole.Core.EventBus;
+using Pole.EventBus.RabbitMQ;
 
-namespace Pole.EventBus.RabbitMQ
+namespace Microsoft.Extensions.DependencyInjection
 {
-    public static class Extensions
+    public static class PoleRabbitmqStartupConfigExtensions
     {
         public static void AddRabbitMQ(
-            this IServiceCollection serviceCollection,
+            this StartupConfig startupOption,
             Action<RabbitOptions> rabbitConfigAction,
             Func<IRabbitEventBusContainer, Task> eventBusConfig = default)
         {
-            serviceCollection.Configure<RabbitOptions>(config => rabbitConfigAction(config));
-            serviceCollection.AddSingleton<IRabbitMQClient, RabbitMQClient>();
-            serviceCollection.AddHostedService<ConsumerManager>();
-            serviceCollection.AddSingleton<IRabbitEventBusContainer, EventBusContainer>();
-            serviceCollection.AddSingleton(serviceProvider => serviceProvider.GetService<IRabbitEventBusContainer>() as IProducerContainer);
+            startupOption.Services.Configure<RabbitOptions>(config => rabbitConfigAction(config));
+            startupOption.Services.AddSingleton<IRabbitMQClient, RabbitMQClient>();
+            startupOption.Services.AddHostedService<ConsumerManager>();
+            startupOption.Services.AddSingleton<IRabbitEventBusContainer, EventBusContainer>();
+            startupOption.Services.AddSingleton(serviceProvider => serviceProvider.GetService<IRabbitEventBusContainer>() as IProducerContainer);
             Startup.Register(async serviceProvider =>
             {
                 var container = serviceProvider.GetService<IRabbitEventBusContainer>();
diff --git a/src/Pole.EventStorage.PostgreSql/CapOptionsExtensions.cs b/src/Pole.EventStorage.PostgreSql/CapOptionsExtensions.cs
index b23cbd1..b061622 100644
--- a/src/Pole.EventStorage.PostgreSql/CapOptionsExtensions.cs
+++ b/src/Pole.EventStorage.PostgreSql/CapOptionsExtensions.cs
@@ -9,36 +9,6 @@ namespace Pole.EventStorage.PostgreSql
 {
     public static class CapOptionsExtensions
     {
-        public static PoleOptions UseEntityFrameworkEventStorage<TContext>(this PoleOptions options)
-    where TContext : DbContext
-        {
-            return options.UseEntityFrameworkEventStorage<TContext>(opt => { });
-        }
-        public static PoleOptions UseEntityFrameworkEventStorage<TContext>(this PoleOptions options, Action<EFOptions> configure)
-            where TContext : DbContext
-        {
-            if (configure == null) throw new ArgumentNullException(nameof(configure));
-            EFOptions eFOptions = new EFOptions();
-            configure(eFOptions);
-            Action<PostgreSqlOptions> postgreSqlOptionsConfig = postgreSqlOptions =>
-            {
-                postgreSqlOptions.DbContextType = typeof(TContext);
-                postgreSqlOptions.Schema = eFOptions.Schema;
-                using var scope = options.Services.BuildServiceProvider().CreateScope();
-                var provider = scope.ServiceProvider;
-                using var dbContext = (DbContext)provider.GetRequiredService(typeof(TContext));
-                postgreSqlOptions.ConnectionString = dbContext.Database.GetDbConnection().ConnectionString;
-            };
-            options.Services.Configure(postgreSqlOptionsConfig);
-
-            return options;
-        }
-        public static PoleOptions UsePostgreSqlEventStorage<TContext>(this PoleOptions options, Action<PostgreSqlOptions> configure)
-    where TContext : DbContext
-        {
-            if (configure == null) throw new ArgumentNullException(nameof(configure));
-            options.Services.Configure(configure);
-            return options;
-        }
+       
     }
 }
diff --git a/src/Pole.EventStorage.PostgreSql/PolePostgreSqlStartupConfigExtensions.cs b/src/Pole.EventStorage.PostgreSql/PolePostgreSqlStartupConfigExtensions.cs
new file mode 100644
index 0000000..0b2e8ba
--- /dev/null
+++ b/src/Pole.EventStorage.PostgreSql/PolePostgreSqlStartupConfigExtensions.cs
@@ -0,0 +1,42 @@
+using Microsoft.EntityFrameworkCore;
+using Pole.Core;
+using Pole.Core.EventBus.EventStorage;
+using Pole.Core.EventBus.Transaction;
+using Pole.EventStorage.PostgreSql;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Microsoft.Extensions.DependencyInjection
+{
+   public static class PolePostgreSqlStartupConfigExtensions
+    {
+        public static StartupConfig AddEntityFrameworkEventStorage<TContext>(this StartupConfig config)
+   where TContext : DbContext
+        {
+            return config.AddEntityFrameworkEventStorage<TContext>(opt => { });
+        }
+        public static StartupConfig AddEntityFrameworkEventStorage<TContext>(this StartupConfig config, Action<EFOptions> configure)
+            where TContext : DbContext
+        {
+            if (configure == null) throw new ArgumentNullException(nameof(configure));
+            EFOptions eFOptions = new EFOptions();
+            configure(eFOptions);
+            Action<PostgreSqlOptions> postgreSqlOptionsConfig = postgreSqlOptions =>
+            {
+                postgreSqlOptions.DbContextType = typeof(TContext);
+                postgreSqlOptions.Schema = eFOptions.Schema;
+                using var scope = config.Services.BuildServiceProvider().CreateScope();
+                var provider = scope.ServiceProvider;
+                using var dbContext = (DbContext)provider.GetRequiredService(typeof(TContext));
+                postgreSqlOptions.ConnectionString = dbContext.Database.GetDbConnection().ConnectionString;
+            };
+            config.Services.Configure(postgreSqlOptionsConfig);
+
+            config.Services.AddScoped<IDbTransactionAdapter, PostgreSqlDbTransactionAdapter>();
+            config.Services.AddSingleton<IEventStorage, PostgreSqlEventStorage>();
+            config.Services.AddSingleton<IEventStorageInitializer, PostgreSqlEventStorageInitializer>();
+            return config;
+        }
+    }
+}