diff --git a/static/app.js b/static/app.js
index 85fc2f5..2f0d32b 100644
--- a/static/app.js
+++ b/static/app.js
@@ -186,7 +186,7 @@
       if (w === todayWk) cls += ' today';
       if (w === selectedWeek) cls += ' selected';
       wHtml += '<div class="' + cls + '" data-week="' + w + '" title="' + w + '">' +
-        'W' + w.split('-W')[1].replace(/^0/, '') + '</div>';
+        '第' + w.split('-W')[1].replace(/^0/, '') + '周</div>';
     }
     var we = document.getElementById('cal-weeks');
     we.innerHTML = wHtml;