[删除]1. 删除无效的命名空间的引用

Author: AlianBlank

GameFrameX.Foundation.Http.Extension/HttpClientGetExtension.cs

@@ -1,7 +1,4 @@
-using System.Net.Http.Json;
-using System.Text.Json;
-
-namespace GameFrameX.Foundation.Http.Extension;
+namespace GameFrameX.Foundation.Http.Extension;
 
 /// <summary>
 /// HttpClient的GET请求扩展方法