fix back to top

Gaohaoyang · Gaohaoyang · commit 95265b2da97e · 2017-02-28T22:54:12.000+08:00
diff --git a/_includes/backToTop.html b/_includes/backToTop.html
@@ -1,5 +1,5 @@
 <div class="back-to-top">
-    <a href="#top" class="scroll">
+    <a href="#top" data-scroll>
         <i class="fa fa-arrow-up" aria-hidden="true"></i>
     </a>
 </div>
