diff --git a/src/main.rs b/src/main.rs
index 9983119..4c11962 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -69,7 +69,7 @@ async fn entry(cli: Cli, config: Config, db: Database) -> Result<(), Box<dyn std
 
 		tokio::spawn(async move {
 			loop {
-				let res = test(&service.endpoint).await;
+				let res = test_route(&service.endpoint).await;
 				let value = match res {
 					Ok(rtt) => Some(rtt),
 					Err(e) => {
@@ -98,6 +98,15 @@ async fn entry(cli: Cli, config: Config, db: Database) -> Result<(), Box<dyn std
 	Ok(())
 }
 
+async fn test_route(url: &str) -> reqwest::Result<i64> {
+	let before = chrono::Utc::now();
+	reqwest::get(url)
+		.await?
+		.error_for_status()?;
+	let delta = chrono::Utc::now() - before;
+	Ok(delta.num_milliseconds())
+}
+
 
 // ============= APIs
 
@@ -129,15 +138,6 @@ async fn root() -> Html<&'static str> {
 	Html(include_str!("../index.html"))
 }
 
-async fn test(url: &str) -> reqwest::Result<i64> {
-	let before = chrono::Utc::now();
-	reqwest::get(url)
-		.await?
-		.error_for_status()?;
-	let delta = chrono::Utc::now() - before;
-	Ok(delta.num_milliseconds())
-}
-
 use axum::{extract::{Path, Query, State}, response::{Html, IntoResponse}, Json};
 
 #[derive(serde::Deserialize)]