diff --git a/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests.csproj b/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests.csproj
index 6c93fb21..39eba21d 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests.csproj
+++ b/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests.csproj
@@ -15,7 +15,7 @@
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     <ItemGroup>
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+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.10.0" />
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         <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
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diff --git a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/SKIT.FlurlHttpClient.Wechat.Api.UnitTests.csproj b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/SKIT.FlurlHttpClient.Wechat.Api.UnitTests.csproj
index ec5f6541..5b4dca82 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/SKIT.FlurlHttpClient.Wechat.Api.UnitTests.csproj
+++ b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/SKIT.FlurlHttpClient.Wechat.Api.UnitTests.csproj
@@ -17,7 +17,7 @@
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     <ItemGroup>
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         <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
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diff --git a/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests.csproj b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests.csproj
index 081d2472..03899f71 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests.csproj
+++ b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests.csproj
@@ -16,7 +16,7 @@
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     <ItemGroup>
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         <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
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diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/SKIT.FlurlHttpClient.Wechat.Work.UnitTests.csproj b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/SKIT.FlurlHttpClient.Wechat.Work.UnitTests.csproj
index abafc90d..c75d6a26 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/SKIT.FlurlHttpClient.Wechat.Work.UnitTests.csproj
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/SKIT.FlurlHttpClient.Wechat.Work.UnitTests.csproj
@@ -17,7 +17,7 @@
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