use an interval for tick

src/frontend/mod.rs

@@ -2,6 +2,7 @@ use std::{
     collections::{BTreeMap, VecDeque},
     io,
     net::SocketAddr,
+    time::Duration,
 };
 
 use crossterm::event::{Event, EventStream, KeyCode, KeyEvent, KeyEventKind};
@@ -73,6 +74,7 @@ impl App {
     }
 
     async fn handle_events(&mut self) -> io::Result<()> {
+        let mut tick = tokio::time::interval(Duration::from_millis(100));
         tokio::select! {
             event = self.events.next().fuse() => {
                 if let Some(Ok(evt)) = event {
@@ -86,7 +88,7 @@ impl App {
                     }
                 }
             }
-            _ = tokio::time::sleep(tokio::time::Duration::from_millis(100)) => {}
+            _ = tick.tick() => {}
         }
 
         Ok(())