diff --git a/DysonNetwork.Sphere/Program.cs b/DysonNetwork.Sphere/Program.cs
index 24d5e10..738bafd 100644
--- a/DysonNetwork.Sphere/Program.cs
+++ b/DysonNetwork.Sphere/Program.cs
@@ -33,6 +33,7 @@ builder.WebHost.ConfigureKestrel(options => options.Limits.MaxRequestBodySize =
 builder.Services.AddDbContext<AppDatabase>();
 builder.Services.AddMemoryCache();
 
+builder.Services.AddHttpClient();
 builder.Services.AddControllers().AddJsonOptions(options =>
 {
     options.JsonSerializerOptions.PropertyNamingPolicy = JsonNamingPolicy.SnakeCaseLower;