diff --git a/BotSharp.Channel.Weixin/BotSharp.Channel.Weixin.csproj b/BotSharp.Channel.Weixin/BotSharp.Channel.Weixin.csproj
index 0b31f4dd..d9bd907c 100644
--- a/BotSharp.Channel.Weixin/BotSharp.Channel.Weixin.csproj
+++ b/BotSharp.Channel.Weixin/BotSharp.Channel.Weixin.csproj
@@ -20,7 +20,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Core" Version="2.1.3" />
-    <PackageReference Include="Senparc.Weixin.MP.MVC" Version="7.1.11" />
+    <PackageReference Include="Senparc.Weixin.MP.MVC" Version="7.1.12" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/BotSharp.Channel.Weixin/Models/CustomMessageHandler.cs b/BotSharp.Channel.Weixin/Models/CustomMessageHandler.cs
index b31dce6d..285ce0f2 100644
--- a/BotSharp.Channel.Weixin/Models/CustomMessageHandler.cs
+++ b/BotSharp.Channel.Weixin/Models/CustomMessageHandler.cs
@@ -19,19 +19,12 @@ using System.Linq;
 using System.Text;
 using System.Threading;
 
-using Senparc.Weixin.MP.Agent;
-using Senparc.NeuChar.Context;
-using Senparc.Weixin.Exceptions;
-using Senparc.Weixin.Helpers;
 using Senparc.Weixin.MP.Entities;
 using Senparc.Weixin.MP.Entities.Request;
 using Senparc.Weixin.MP.MessageHandlers;
-using Senparc.Weixin.MP.Helpers;
-using System.Xml.Linq;
 using Senparc.Weixin.MP.AdvancedAPIs;
 using System.Threading.Tasks;
 using Senparc.NeuChar.Entities.Request;
-using Senparc.CO2NET.Helpers;
 using Senparc.NeuChar.Helpers;
 using Senparc.NeuChar.Entities;
 using Senparc.Weixin;
diff --git a/BotSharp.Core/BotSharp.Core.csproj b/BotSharp.Core/BotSharp.Core.csproj
index dee2f27a..18c8cc7b 100644
--- a/BotSharp.Core/BotSharp.Core.csproj
+++ b/BotSharp.Core/BotSharp.Core.csproj
@@ -76,9 +76,9 @@ If you feel that this project is helpful to you, please Star on the project, we
   <ItemGroup>
     <PackageReference Include="CherubNLP" Version="0.1.1" />
     <PackageReference Include="Colorful.Console" Version="1.2.9" />
-    <PackageReference Include="CSRedisCore" Version="3.0.13" />
+    <PackageReference Include="CSRedisCore" Version="3.0.20" />
     <PackageReference Include="DotNetToolkit" Version="1.6.0" />
-    <PackageReference Include="EntityFrameworkCore.BootKit" Version="1.9.1" />
+    <PackageReference Include="EntityFrameworkCore.BootKit" Version="1.10.0" />
     <PackageReference Include="Microsoft.AspNetCore.Cryptography.KeyDerivation" Version="2.1.1" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="2.1.1" />
     <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
diff --git a/BotSharp.WebHost/BotSharp.WebHost.csproj b/BotSharp.WebHost/BotSharp.WebHost.csproj
index 9cb8cb19..cee92253 100644
--- a/BotSharp.WebHost/BotSharp.WebHost.csproj
+++ b/BotSharp.WebHost/BotSharp.WebHost.csproj
@@ -74,13 +74,13 @@
 
   <ItemGroup>
     <PackageReference Include="DotNetToolkit" Version="1.6.0" />
-    <PackageReference Include="Microsoft.AspNetCore" Version="2.1.4" />
+    <PackageReference Include="Microsoft.AspNetCore" Version="2.1.6" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc" Version="2.1.3" />
     <PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="2.1.1" />
     <PackageReference Include="Microsoft.Extensions.PlatformAbstractions" Version="1.1.0" />
-    <PackageReference Include="Swashbuckle.AspNetCore.Swagger" Version="3.0.0" />
-    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerGen" Version="3.0.0" />
-    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="3.0.0" />
+    <PackageReference Include="Swashbuckle.AspNetCore.Swagger" Version="4.0.1" />
+    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerGen" Version="4.0.1" />
+    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="4.0.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/BotSharp.WebHost/Startup.cs b/BotSharp.WebHost/Startup.cs
index 57853e80..41803f36 100644
--- a/BotSharp.WebHost/Startup.cs
+++ b/BotSharp.WebHost/Startup.cs
@@ -6,6 +6,7 @@ using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Newtonsoft.Json.Serialization;
 using Swashbuckle.AspNetCore.Swagger;
+using Swashbuckle.AspNetCore.SwaggerUI;
 using System;
 using System.Collections.Generic;
 using System.Drawing;