diff --git a/src-tauri/src/commands/oauth_server.rs b/src-tauri/src/commands/oauth_server.rs
index 1914094..f44e271 100644
--- a/src-tauri/src/commands/oauth_server.rs
+++ b/src-tauri/src/commands/oauth_server.rs
@@ -40,9 +40,10 @@ pub async fn oauth_start_callback_server(
     let t0 = std::time::Instant::now();
     let log = |step: &str| {
         println!(
-            "[OAuth Callback] {} +{}ms",
+            "[OAuth Callback] {} +{}ms (wall={})",
             step,
-            t0.elapsed().as_millis()
+            t0.elapsed().as_millis(),
+            chrono::Local::now().format("%H:%M:%S%.3f")
         );
     };
     log("oauth_start_callback_server enter");
diff --git a/src/components/OAuth/OAuthLogin.tsx b/src/components/OAuth/OAuthLogin.tsx
index d25d271..fc4cadb 100644
--- a/src/components/OAuth/OAuthLogin.tsx
+++ b/src/components/OAuth/OAuthLogin.tsx
@@ -129,7 +129,9 @@ export function OAuthLogin({ visible, onClose, onSuccess }: OAuthLoginProps) {
     setLoading(true)
     const t0 = performance.now()
     const log = (step: string) =>
-      console.log(`[OAuthLogin] ${step} +${Math.round(performance.now() - t0)}ms`)
+      console.log(
+        `[OAuthLogin] ${step} +${Math.round(performance.now() - t0)}ms (wall=${new Date().toISOString()})`
+      )
     log("handleOAuthLogin start")
 
     try {