增加倒计时 js 打包

template/src/oj/contest/contest_index.html

@@ -41,5 +41,5 @@
             <span class="time">%s</span> : <span>%ts</span>
         </div>
     </script>
-    <script src="/static/js/app/oj/contest/contestCountdown.js" defer="defer"></script>
+    <script src="/static/js/app/oj/contest/contestCountdown.js"></script>
 {% endblock %}

template/src/oj/contest/no_contest_permission.html

@@ -59,5 +59,5 @@
         </div>
     </script>
     <script src="/static/js/app/oj/contest/contestPassword.js"></script>
-    <script src="/static/js/app/oj/contest/contestCountdown.js" defer="defer"></script>
+    <script src="/static/js/app/oj/contest/contestCountdown.js"></script>
 {% endblock %}