diff --git a/README.md b/README.md
index f9e0a33..fd1b8dc 100644
--- a/README.md
+++ b/README.md
@@ -72,8 +72,8 @@ PaySharp.Allinpay	| [![NuGet](https://img.shields.io/nuget/v/PaySharp.Allinpay.s
 
 # 开发环境
 * Windows 10
-* Visual Studio 2019(16.4)
-* .NET Core SDK 3.1
+* Visual Studio 2019(16.8)
+* .NET SDK 5.0
 
 # 如何使用
 ---
diff --git a/global.json b/global.json
index d7062d6..2c4c450 100644
--- a/global.json
+++ b/global.json
@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "3.1.200",
+    "version": "5.0.100",
     "rollForward": "latestMinor"
   }
 }
\ No newline at end of file
diff --git a/package.props b/package.props
index 4703697..bf32b95 100644
--- a/package.props
+++ b/package.props
@@ -1,7 +1,7 @@
 <Project>
 
   <PropertyGroup>
-    <Version>1.1.1</Version>
+    <Version>1.1.2</Version>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <PackageProjectUrl>https://github.com/Varorbc/PaySharp</PackageProjectUrl>
     <Authors>Varorbc</Authors>
diff --git a/sample/PaySharp.Demo/PaySharp.Demo.csproj b/sample/PaySharp.Demo/PaySharp.Demo.csproj
index 45b823c..173d55a 100644
--- a/sample/PaySharp.Demo/PaySharp.Demo.csproj
+++ b/sample/PaySharp.Demo/PaySharp.Demo.csproj
@@ -1,11 +1,11 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Serilog.AspNetCore" Version="3.2.0" />
+    <PackageReference Include="Serilog.AspNetCore" Version="3.4.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/PaySharp.Alipay/AlipayGateway.cs b/src/PaySharp.Alipay/AlipayGateway.cs
index 954d53b..9468253 100644
--- a/src/PaySharp.Alipay/AlipayGateway.cs
+++ b/src/PaySharp.Alipay/AlipayGateway.cs
@@ -1,4 +1,4 @@
-#if NETCOREAPP3_1
+#if NETCOREAPP
 using Microsoft.Extensions.Options;
 #endif
 using System.Threading.Tasks;
@@ -34,7 +34,7 @@ namespace PaySharp.Alipay
             _merchant = merchant;
         }
 
-#if NETCOREAPP3_1
+#if NETCOREAPP
 
         /// <summary>
         /// 初始化支付宝网关
diff --git a/src/PaySharp.Alipay/PaySharp.Alipay.csproj b/src/PaySharp.Alipay/PaySharp.Alipay.csproj
index 445c40e..bb9e9ae 100644
--- a/src/PaySharp.Alipay/PaySharp.Alipay.csproj
+++ b/src/PaySharp.Alipay/PaySharp.Alipay.csproj
@@ -3,7 +3,7 @@
   <Import Project="../../package.props" />
   
   <PropertyGroup>
-    <TargetFrameworks>net45;netcoreapp3.1</TargetFrameworks>
+    <TargetFrameworks>net45;netcoreapp3.1;net5.0</TargetFrameworks>
     <Title>PaySharp.Alipay</Title>
     <Description>支付宝支付</Description>
     <PackageTags>dotnetcore;pay;alipay;</PackageTags>
diff --git a/src/PaySharp.Alipay/ServiceCollectionExtensions.cs b/src/PaySharp.Alipay/ServiceCollectionExtensions.cs
index e6d916d..ebecab3 100644
--- a/src/PaySharp.Alipay/ServiceCollectionExtensions.cs
+++ b/src/PaySharp.Alipay/ServiceCollectionExtensions.cs
@@ -1,4 +1,4 @@
-#if NETCOREAPP3_1
+#if NETCOREAPP
 using System;
 using Microsoft.Extensions.Configuration;
 using PaySharp.Alipay;
diff --git a/src/PaySharp.Allinpay/AllinpayGateway.cs b/src/PaySharp.Allinpay/AllinpayGateway.cs
index 569b8bd..a129db4 100644
--- a/src/PaySharp.Allinpay/AllinpayGateway.cs
+++ b/src/PaySharp.Allinpay/AllinpayGateway.cs
@@ -1,4 +1,4 @@
-#if NETCOREAPP3_1
+#if NETCOREAPP
 using Microsoft.Extensions.Options;
 #endif
 using System.Threading.Tasks;
@@ -33,7 +33,7 @@ namespace PaySharp.Allinpay
             _merchant = merchant;
         }
 
-#if NETCOREAPP3_1
+#if NETCOREAPP
 
         /// <summary>
         /// 初始化通联收银宝网关
diff --git a/src/PaySharp.Allinpay/PaySharp.Allinpay.csproj b/src/PaySharp.Allinpay/PaySharp.Allinpay.csproj
index 91a0582..7249067 100644
--- a/src/PaySharp.Allinpay/PaySharp.Allinpay.csproj
+++ b/src/PaySharp.Allinpay/PaySharp.Allinpay.csproj
@@ -3,7 +3,7 @@
   <Import Project="../../package.props" />
 
   <PropertyGroup>
-    <TargetFrameworks>net45;netcoreapp3.1</TargetFrameworks>
+    <TargetFrameworks>net45;netcoreapp3.1;net5.0</TargetFrameworks>
     <Title>PaySharp.Allinpay</Title>
     <Description>通联收银宝</Description>
     <PackageTags>dotnetcore;pay;Allinpay;</PackageTags>
diff --git a/src/PaySharp.Allinpay/ServiceCollectionExtensions.cs b/src/PaySharp.Allinpay/ServiceCollectionExtensions.cs
index acf337a..bdbd3c4 100644
--- a/src/PaySharp.Allinpay/ServiceCollectionExtensions.cs
+++ b/src/PaySharp.Allinpay/ServiceCollectionExtensions.cs
@@ -1,4 +1,4 @@
-#if NETCOREAPP3_1
+#if NETCOREAPP
 using System;
 using Microsoft.Extensions.Configuration;
 using PaySharp.Allinpay;
diff --git a/src/PaySharp.Core/Gateways/GatewayData.cs b/src/PaySharp.Core/Gateways/GatewayData.cs
index 5d22369..3848c04 100644
--- a/src/PaySharp.Core/Gateways/GatewayData.cs
+++ b/src/PaySharp.Core/Gateways/GatewayData.cs
@@ -1,4 +1,4 @@
-#if NETCOREAPP3_1
+#if NETCOREAPP
 using Microsoft.AspNetCore.Http;
 #endif
 using System;
@@ -401,7 +401,7 @@ namespace PaySharp.Core
             }
         }
 
-#if NETCOREAPP3_1
+#if NETCOREAPP
 
         /// <summary>
         /// 将表单数据转换为网关数据
diff --git a/src/PaySharp.Core/Notify/NotifyProcess.cs b/src/PaySharp.Core/Notify/NotifyProcess.cs
index d539018..1f4e278 100644
--- a/src/PaySharp.Core/Notify/NotifyProcess.cs
+++ b/src/PaySharp.Core/Notify/NotifyProcess.cs
@@ -96,7 +96,7 @@ namespace PaySharp.Core
                 {
                     try
                     {
-#if NETCOREAPP3_1
+#if NETCOREAPP
                         gatewayData.FromForm(HttpUtil.Form);
 #else
                         gatewayData.FromNameValueCollection(HttpUtil.Form);
diff --git a/src/PaySharp.Core/PaySharp.Core.csproj b/src/PaySharp.Core/PaySharp.Core.csproj
index e948851..d0158e5 100644
--- a/src/PaySharp.Core/PaySharp.Core.csproj
+++ b/src/PaySharp.Core/PaySharp.Core.csproj
@@ -3,7 +3,7 @@
   <Import Project="../../package.props" />
 
   <PropertyGroup>
-    <TargetFrameworks>net45;netcoreapp3.1</TargetFrameworks>
+    <TargetFrameworks>net45;netcoreapp3.1;net5.0</TargetFrameworks>
     <Title>PaySharp.Core</Title>
     <Description>支付核心</Description>
     <PackageTags>dotnetcore;pay;</PackageTags>
@@ -18,7 +18,7 @@
     <Reference Include="System.Configuration" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1'">
+  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1' or '$(TargetFramework)' == 'net5.0'">
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
   </ItemGroup>
 
diff --git a/src/PaySharp.Core/ServiceCollectionExtensions.cs b/src/PaySharp.Core/ServiceCollectionExtensions.cs
index 93378ea..6aaa5c4 100644
--- a/src/PaySharp.Core/ServiceCollectionExtensions.cs
+++ b/src/PaySharp.Core/ServiceCollectionExtensions.cs
@@ -1,4 +1,4 @@
-#if NETCOREAPP3_1
+#if NETCOREAPP
 using System;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Http;
@@ -42,4 +42,4 @@ namespace Microsoft.Extensions.DependencyInjection
     }
 }
 
-#endif
\ No newline at end of file
+#endif
diff --git a/src/PaySharp.Core/Utils/EncryptUtil.cs b/src/PaySharp.Core/Utils/EncryptUtil.cs
index c74595c..caff15a 100644
--- a/src/PaySharp.Core/Utils/EncryptUtil.cs
+++ b/src/PaySharp.Core/Utils/EncryptUtil.cs
@@ -97,7 +97,7 @@ namespace PaySharp.Core.Utils
 
                 if ("RSA2".Equals(signType))
                 {
-#if NETCOREAPP3_1
+#if NETCOREAPP
                     signatureBytes = rsaCsp.SignData(dataBytes, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
 #else
                     signatureBytes = ((RSACryptoServiceProvider)rsaCsp).SignData(dataBytes, "SHA256");
@@ -105,7 +105,7 @@ namespace PaySharp.Core.Utils
                 }
                 else
                 {
-#if NETCOREAPP3_1
+#if NETCOREAPP
                     signatureBytes = rsaCsp.SignData(dataBytes, HashAlgorithmName.SHA1, RSASignaturePadding.Pkcs1);
 #else
                     signatureBytes = ((RSACryptoServiceProvider)rsaCsp).SignData(dataBytes, "SHA1");
@@ -148,7 +148,7 @@ namespace PaySharp.Core.Utils
 
                 if ("RSA2".Equals(signType))
                 {
-#if NETCOREAPP3_1
+#if NETCOREAPP
                     bVerifyResultOriginal = rsa.VerifyData(Encoding.GetEncoding(charset).GetBytes(signContent),
                        Convert.FromBase64String(sign), HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
 #else
@@ -158,7 +158,7 @@ namespace PaySharp.Core.Utils
                 }
                 else
                 {
-#if NETCOREAPP3_1
+#if NETCOREAPP
                     bVerifyResultOriginal = rsa.VerifyData(Encoding.GetEncoding(charset).GetBytes(signContent),
                        Convert.FromBase64String(sign), HashAlgorithmName.SHA1, RSASignaturePadding.Pkcs1);
 #else
diff --git a/src/PaySharp.Core/Utils/HttpUtil.cs b/src/PaySharp.Core/Utils/HttpUtil.cs
index fcf83fd..4807775 100644
--- a/src/PaySharp.Core/Utils/HttpUtil.cs
+++ b/src/PaySharp.Core/Utils/HttpUtil.cs
@@ -1,4 +1,4 @@
-#if NETCOREAPP3_1
+#if NETCOREAPP
 using Microsoft.AspNetCore.Http;
 #else
 using System.Collections.Specialized;
@@ -21,7 +21,7 @@ namespace PaySharp.Core.Utils
     {
         #region 属性
 
-#if NETCOREAPP3_1
+#if NETCOREAPP
 
         private static IHttpContextAccessor _httpContextAccessor;
 
@@ -242,7 +242,7 @@ namespace PaySharp.Core.Utils
         {
             Current.Response.ContentType = "text/plain;charset=utf-8";
 
-#if NETCOREAPP3_1
+#if NETCOREAPP
             Task.Run(async () =>
             {
                 await Current.Response.WriteAsync(text);
@@ -272,7 +272,7 @@ namespace PaySharp.Core.Utils
             Current.Response.Headers.Add("Content-Disposition", "attachment;filename=" + WebUtility.UrlEncode(Path.GetFileName(stream.Name)));
             Current.Response.Headers.Add("Content-Length", size.ToString());
 
-#if NETCOREAPP3_1
+#if NETCOREAPP
             Task.Run(async () =>
             {
                 await Current.Response.Body.WriteAsync(buffer, 0, (int)size);
diff --git a/src/PaySharp.Qpay/PaySharp.Qpay.csproj b/src/PaySharp.Qpay/PaySharp.Qpay.csproj
index c17cb5d..d300801 100644
--- a/src/PaySharp.Qpay/PaySharp.Qpay.csproj
+++ b/src/PaySharp.Qpay/PaySharp.Qpay.csproj
@@ -3,7 +3,7 @@
   <Import Project="../../package.props" />
 
   <PropertyGroup>
-    <TargetFrameworks>net45;netcoreapp3.1</TargetFrameworks>
+    <TargetFrameworks>net45;netcoreapp3.1;net5.0</TargetFrameworks>
     <Title>PaySharp.Qpay</Title>
     <Description>QQ钱包支付</Description>
     <PackageTags>dotnetcore;pay;qpay;</PackageTags>
diff --git a/src/PaySharp.Qpay/QpayGateway.cs b/src/PaySharp.Qpay/QpayGateway.cs
index f179a07..691015a 100644
--- a/src/PaySharp.Qpay/QpayGateway.cs
+++ b/src/PaySharp.Qpay/QpayGateway.cs
@@ -1,4 +1,4 @@
-#if NETCOREAPP3_1
+#if NETCOREAPP
 using Microsoft.Extensions.Options;
 #endif
 using System.Threading.Tasks;
@@ -33,7 +33,7 @@ namespace PaySharp.Qpay
             _merchant = merchant;
         }
 
-#if NETCOREAPP3_1
+#if NETCOREAPP
 
         /// <summary>
         /// 初始化QQ钱包网关
diff --git a/src/PaySharp.Qpay/ServiceCollectionExtensions.cs b/src/PaySharp.Qpay/ServiceCollectionExtensions.cs
index 3555919..78b8826 100644
--- a/src/PaySharp.Qpay/ServiceCollectionExtensions.cs
+++ b/src/PaySharp.Qpay/ServiceCollectionExtensions.cs
@@ -1,4 +1,4 @@
-#if NETCOREAPP3_1
+#if NETCOREAPP
 using System;
 using Microsoft.Extensions.Configuration;
 using PaySharp.Core;
diff --git a/src/PaySharp.Unionpay/PaySharp.Unionpay.csproj b/src/PaySharp.Unionpay/PaySharp.Unionpay.csproj
index 9e09579..8f655e2 100644
--- a/src/PaySharp.Unionpay/PaySharp.Unionpay.csproj
+++ b/src/PaySharp.Unionpay/PaySharp.Unionpay.csproj
@@ -3,7 +3,7 @@
   <Import Project="../../package.props" />
 
   <PropertyGroup>
-    <TargetFrameworks>net45;netcoreapp3.1</TargetFrameworks>
+    <TargetFrameworks>net45;netcoreapp3.1;net5.0</TargetFrameworks>
     <Title>PaySharp.Unionpay</Title>
     <Description>中国银联</Description>
     <PackageTags>dotnetcore;pay;unionpay;</PackageTags>
diff --git a/src/PaySharp.Unionpay/ServiceCollectionExtensions.cs b/src/PaySharp.Unionpay/ServiceCollectionExtensions.cs
index 414e0d2..418bf09 100644
--- a/src/PaySharp.Unionpay/ServiceCollectionExtensions.cs
+++ b/src/PaySharp.Unionpay/ServiceCollectionExtensions.cs
@@ -1,4 +1,4 @@
-#if NETCOREAPP3_1
+#if NETCOREAPP
 using System;
 using Microsoft.Extensions.Configuration;
 using PaySharp.Core;
diff --git a/src/PaySharp.Unionpay/UnionpayGateway.cs b/src/PaySharp.Unionpay/UnionpayGateway.cs
index dc3ce5e..01f8b64 100644
--- a/src/PaySharp.Unionpay/UnionpayGateway.cs
+++ b/src/PaySharp.Unionpay/UnionpayGateway.cs
@@ -1,4 +1,4 @@
-#if NETCOREAPP3_1
+#if NETCOREAPP
 using Microsoft.Extensions.Options;
 #endif
 using System;
@@ -37,7 +37,7 @@ namespace PaySharp.Unionpay
             _merchant.CertKey = CertUtil.GetCertKey(merchant.CertPath, merchant.CertPwd);
         }
 
-#if NETCOREAPP3_1
+#if NETCOREAPP
 
         /// <summary>
         /// 初始化中国银联网关
diff --git a/src/PaySharp.Wechatpay/PaySharp.Wechatpay.csproj b/src/PaySharp.Wechatpay/PaySharp.Wechatpay.csproj
index 6f241b1..e75fdc6 100644
--- a/src/PaySharp.Wechatpay/PaySharp.Wechatpay.csproj
+++ b/src/PaySharp.Wechatpay/PaySharp.Wechatpay.csproj
@@ -3,7 +3,7 @@
   <Import Project="../../package.props" />
 
   <PropertyGroup>
-    <TargetFrameworks>net45;netcoreapp3.1</TargetFrameworks>
+    <TargetFrameworks>net45;netcoreapp3.1;net5.0</TargetFrameworks>
     <Title>PaySharp.Wechatpay</Title>
     <Description>微信支付</Description>
     <PackageTags>dotnetcore;pay;wechatpay;</PackageTags>
diff --git a/src/PaySharp.Wechatpay/ServiceCollectionExtensions.cs b/src/PaySharp.Wechatpay/ServiceCollectionExtensions.cs
index ea3f078..71a8697 100644
--- a/src/PaySharp.Wechatpay/ServiceCollectionExtensions.cs
+++ b/src/PaySharp.Wechatpay/ServiceCollectionExtensions.cs
@@ -1,4 +1,4 @@
-#if NETCOREAPP3_1
+#if NETCOREAPP
 using System;
 using Microsoft.Extensions.Configuration;
 using PaySharp.Core;
diff --git a/src/PaySharp.Wechatpay/WechatpayGateway.cs b/src/PaySharp.Wechatpay/WechatpayGateway.cs
index 8c9c98f..3897aa3 100644
--- a/src/PaySharp.Wechatpay/WechatpayGateway.cs
+++ b/src/PaySharp.Wechatpay/WechatpayGateway.cs
@@ -1,4 +1,4 @@
-#if NETCOREAPP3_1
+#if NETCOREAPP
 using Microsoft.Extensions.Options;
 #endif
 using System.Threading.Tasks;
@@ -35,7 +35,7 @@ namespace PaySharp.Wechatpay
             _merchant = merchant;
         }
 
-#if NETCOREAPP3_1
+#if NETCOREAPP
 
         /// <summary>
         /// 初始化微信支付网关
diff --git a/test/PaySharp.UnitTest/PaySharp.UnitTest.csproj b/test/PaySharp.UnitTest/PaySharp.UnitTest.csproj
index fec7229..2022105 100644
--- a/test/PaySharp.UnitTest/PaySharp.UnitTest.csproj
+++ b/test/PaySharp.UnitTest/PaySharp.UnitTest.csproj
@@ -14,10 +14,10 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Options" Version="3.1.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.4.0" />
+    <PackageReference Include="Microsoft.Extensions.Options" Version="5.0.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.8.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1">
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>