diff --git a/public/js/app.js b/public/js/app.js
index dded584..e84ae29 100644
--- a/public/js/app.js
+++ b/public/js/app.js
@@ -183,6 +183,8 @@
 
   // ---- Initialize ----
   function init() {
+    try {
+      console.log('[Init] Start...');
     // Resource Gauges Time
     updateGaugesTime();
     setInterval(updateGaugesTime, 1000);
@@ -637,6 +639,11 @@
     initWebSocket();
     backgroundIntervals.push(setInterval(fetchNetworkHistory, NETWORK_HISTORY_INTERVAL));
     backgroundIntervals.push(setInterval(fetchLatency, REFRESH_INTERVAL));
+    console.log('[Init] Success');
+    } catch (err) {
+      console.error('[Init Failure]', err);
+      if (window.onerror) window.onerror('Initialization failed: ' + err.message, '', 0, 0, err);
+    }
   }
 
   // ---- Real-time WebSocket ----
@@ -687,6 +694,14 @@
     };
   }
 
+  function formatClock() {
+    const now = new Date();
+    const h = String(now.getHours()).padStart(2, '0');
+    const m = String(now.getMinutes()).padStart(2, '0');
+    const s = String(now.getSeconds()).padStart(2, '0');
+    return h + ':' + m + ':' + s;
+  }
+
   // ---- Theme Switching ----
   function toggleTheme() {
     const theme = dom.themeToggle.checked ? 'light' : 'dark';