diff --git a/aspnet-core/tests/LINGYUN.Abp.MessageService.Domain.Tests/LINGYUN.Abp.MessageService.Domain.Tests.csproj b/aspnet-core/tests/LINGYUN.Abp.MessageService.Domain.Tests/LINGYUN.Abp.MessageService.Domain.Tests.csproj
index cc3016aab..c6354a842 100644
--- a/aspnet-core/tests/LINGYUN.Abp.MessageService.Domain.Tests/LINGYUN.Abp.MessageService.Domain.Tests.csproj
+++ b/aspnet-core/tests/LINGYUN.Abp.MessageService.Domain.Tests/LINGYUN.Abp.MessageService.Domain.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<TargetFramework>netcoreapp3.1</TargetFramework>
+		<TargetFramework>net5.0</TargetFramework>
 		<RootNamespace />
 		<IsPackable>false</IsPackable>
 	</PropertyGroup>
diff --git a/aspnet-core/tests/LINGYUN.Abp.MessageService.EntityFrameworkCore.Tests/LINGYUN.Abp.MessageService.EntityFrameworkCore.Tests.csproj b/aspnet-core/tests/LINGYUN.Abp.MessageService.EntityFrameworkCore.Tests/LINGYUN.Abp.MessageService.EntityFrameworkCore.Tests.csproj
index 4bb28eab1..95ebfcfb7 100644
--- a/aspnet-core/tests/LINGYUN.Abp.MessageService.EntityFrameworkCore.Tests/LINGYUN.Abp.MessageService.EntityFrameworkCore.Tests.csproj
+++ b/aspnet-core/tests/LINGYUN.Abp.MessageService.EntityFrameworkCore.Tests/LINGYUN.Abp.MessageService.EntityFrameworkCore.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<TargetFramework>netcoreapp3.1</TargetFramework>
+		<TargetFramework>net5.0</TargetFramework>
 		<RootNamespace />
 		<IsPackable>false</IsPackable>
 	</PropertyGroup>
diff --git a/aspnet-core/tests/LINGYUN.Abp.Notifications.Sms.Tests/LINGYUN.Abp.Notifications.Sms.Tests.csproj b/aspnet-core/tests/LINGYUN.Abp.Notifications.Sms.Tests/LINGYUN.Abp.Notifications.Sms.Tests.csproj
index 32e8e032e..a05a59935 100644
--- a/aspnet-core/tests/LINGYUN.Abp.Notifications.Sms.Tests/LINGYUN.Abp.Notifications.Sms.Tests.csproj
+++ b/aspnet-core/tests/LINGYUN.Abp.Notifications.Sms.Tests/LINGYUN.Abp.Notifications.Sms.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
 	<RootNamespace />
     <IsPackable>false</IsPackable>
   </PropertyGroup>
diff --git a/aspnet-core/tests/LINGYUN.Abp.Notifications.Tests/LINGYUN.Abp.Notifications.Tests.csproj b/aspnet-core/tests/LINGYUN.Abp.Notifications.Tests/LINGYUN.Abp.Notifications.Tests.csproj
index d09c504f6..ad5e4d562 100644
--- a/aspnet-core/tests/LINGYUN.Abp.Notifications.Tests/LINGYUN.Abp.Notifications.Tests.csproj
+++ b/aspnet-core/tests/LINGYUN.Abp.Notifications.Tests/LINGYUN.Abp.Notifications.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<TargetFramework>netcoreapp3.1</TargetFramework>
+		<TargetFramework>net5.0</TargetFramework>
 		<RootNamespace />
 		<IsPackable>false</IsPackable>
 	</PropertyGroup>
diff --git a/aspnet-core/tests/LINGYUN.Abp.Notifications.WeChat.MiniProgram.Tests/LINGYUN.Abp.Notifications.WeChat.MiniProgram.Tests.csproj b/aspnet-core/tests/LINGYUN.Abp.Notifications.WeChat.MiniProgram.Tests/LINGYUN.Abp.Notifications.WeChat.MiniProgram.Tests.csproj
index 4e0524522..9142a9219 100644
--- a/aspnet-core/tests/LINGYUN.Abp.Notifications.WeChat.MiniProgram.Tests/LINGYUN.Abp.Notifications.WeChat.MiniProgram.Tests.csproj
+++ b/aspnet-core/tests/LINGYUN.Abp.Notifications.WeChat.MiniProgram.Tests/LINGYUN.Abp.Notifications.WeChat.MiniProgram.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<TargetFramework>netcoreapp3.1</TargetFramework>
+		<TargetFramework>net5.0</TargetFramework>
 		<RootNamespace />
 		<IsPackable>false</IsPackable>
 	</PropertyGroup>