diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..9e26dfe
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1 @@
+{}
\ No newline at end of file
diff --git a/HttpClientStudy.Core/GlobalUsings.cs b/HttpClientStudy.Core/GlobalUsings.cs
index 04f9c70..0579621 100644
--- a/HttpClientStudy.Core/GlobalUsings.cs
+++ b/HttpClientStudy.Core/GlobalUsings.cs
@@ -3,6 +3,7 @@ global using System.Linq;
global using System.Text;
global using System.Threading;
global using System.Threading.Tasks;
+global using System.Net;
global using System.Net.Mime;
global using System.Net.Http;
global using System.Net.Http.Json;
diff --git a/HttpClientStudy.Core/HttpClientStudy.Core.csproj b/HttpClientStudy.Core/HttpClientStudy.Core.csproj
index 2f388a4..1029ef1 100644
--- a/HttpClientStudy.Core/HttpClientStudy.Core.csproj
+++ b/HttpClientStudy.Core/HttpClientStudy.Core.csproj
@@ -8,11 +8,13 @@
-
-
-
+
+
+
+
+