diff --git a/hono-entry.node.ts b/hono-entry.node.ts
index c2a1688..96a3d66 100644
--- a/hono-entry.node.ts
+++ b/hono-entry.node.ts
@@ -18,13 +18,13 @@ nodeApp.use(compress());
 nodeApp.use(
   "/*",
   serveStatic({
-    root: `./dist/client/`,
+    root: "./dist/client/",
   }),
 );
 
-nodeApp.route("/", app!);
+nodeApp.route("/", app);
 
-const port = envs.PORT ? parseInt(envs.PORT, 10) : 3000;
+const port = envs.PORT ? Number.parseInt(envs.PORT, 10) : 3000;
 
 console.log(`Server listening on http://localhost:${port}`);
 serve({