diff --git a/main/index.php b/main/index.php
index 16ec3f1..8ae7dfd 100644
--- a/main/index.php
+++ b/main/index.php
@@ -147,13 +147,26 @@ try {
     </div>
 
     <script>
+        let isScrolledToBottom = true;
+        const messagesContainer = document.getElementById('messages');
+        
+        messagesContainer.addEventListener('scroll', () => {
+            const { scrollTop, scrollHeight, clientHeight } = messagesContainer;
+            isScrolledToBottom = Math.abs(scrollHeight - clientHeight - scrollTop) < 1;
+        });
+
         setInterval(() => {
             fetch(window.location.href)
                 .then(response => response.text())
                 .then(html => {
                     const parser = new DOMParser();
                     const doc = parser.parseFromString(html, 'text/html');
-                    document.getElementById('messages').innerHTML = doc.getElementById('messages').innerHTML;
+                    const oldHeight = messagesContainer.scrollHeight;
+                    messagesContainer.innerHTML = doc.getElementById('messages').innerHTML;
+                    
+                    if (isScrolledToBottom) {
+                        window.scrollTo(0, document.body.scrollHeight);
+                    }
                 });
         }, 5000);
     </script>