fix：request buff read

src/InterfaceForward.Api/InterfaceForwardApiModule.cs

@@ -48,6 +48,12 @@ public class InterfaceForwardApiModule : FakeModule
     {
         var app = context.GetWebApplication();
         
+        app.Use(async (httpContext, next) =>
+        {
+            httpContext.Request.EnableBuffering();
+            await next.Invoke();
+        });
+
         // Add Aspire default endpoints.
         app.MapDefaultEndpoints();
         app.MapControllers();