diff --git a/kifu/kifu-core/src/api.rs b/kifu/kifu-core/src/api.rs
index eed51e2..31b3640 100644
--- a/kifu/kifu-core/src/api.rs
+++ b/kifu/kifu-core/src/api.rs
@@ -11,11 +11,12 @@ pub enum Request {
     PlayingField,
 }
 
+#[derive(Debug)]
 pub enum Response {
     PlayingFieldView(PlayingFieldView),
 }
 
-fn disptach(state: Arc<RwLock<AppState>>, request: Request) -> Response {
+fn dispatch(state: Arc<RwLock<AppState>>, request: Request) -> Response {
     match request {
         Request::PlayingField => Response::PlayingFieldView(playing_field()),
     }
@@ -45,8 +46,11 @@ impl CoreApp {
         )
     }
 
-    pub async fn run(&self) {
-        thread::sleep(Duration::from_secs(5));
-        unimplemented!()
+    pub async fn run(&mut self) {
+        loop {
+            let msg = self.request_rx.recv().await.unwrap();
+            let resp = dispatch(self.state.clone(), msg);
+            self.response_tx.send(resp).await.unwrap();
+        }
     }
 }