fix home page

site/static/script.js

@@ -58,6 +58,7 @@ InstantClickChangeFns.push(function() {
   $('.markdown #api').nextAll().andSelf().appendTo('.api-container');
 
   // 滚动时固定锚点、高亮当前项
+  if ($('.toc')[0]) {
     var titles = $('.markdown :header:not(h1)');
     var doc = $(document);
     var tocTop = $('.toc').offset().top;
@@ -84,12 +85,11 @@ InstantClickChangeFns.push(function() {
         $('.toc').removeClass('sticky');
       }
     }
-
     onScroll();
-
     // 滚动高亮
     $(window).off('scroll');
     $(window).on('scroll', onScroll);
+  }
 
   // 添加上一页下一页
   if ($('.aside-container li > a').length > 0) {