diff --git a/buildtool.php b/buildtool.php
index f9f868e..f8bbbc5 100644
--- a/buildtool.php
+++ b/buildtool.php
@@ -106,6 +106,10 @@ echo '
     
             display.textContent = minutes + ":" + seconds;
     
+            if (timer === 60) {
+                // Show a popup when the timer reaches 60 seconds
+                alert("'.($message_build ?? 'Please login again').'");
+            }
             if (--timer < 0) {
                 timer = duration;
             }