diff --git a/src/server/mod.rs b/src/server/mod.rs
index 3e3a021..4cb6edc 100644
--- a/src/server/mod.rs
+++ b/src/server/mod.rs
@@ -38,6 +38,8 @@ impl Server {
                     continue;
                 }
             };
+            // TODO: handle the stream with multi threading, or async or something
+            // We need concurrency here!
             match self.handle_stream(stream).await {
                 Ok(_) => (),
                 Err(err) => {