Update .NET CORE version to 3.1.

myloveCc · myloveCc · commit d3c31856f3cc · 2020-08-06T01:00:44.000+08:00
diff --git a/example/NETCore.Encrypt.Demo/NETCore.Encrypt.Demo.csproj b/example/NETCore.Encrypt.Demo/NETCore.Encrypt.Demo.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/test/NETCore.Encrypt.Tests/NETCore.Encrypt.Tests.csproj b/test/NETCore.Encrypt.Tests/NETCore.Encrypt.Tests.csproj
@@ -1,7 +1,7 @@
 ﻿<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>    
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
