!2 解决使用 mathJax 错误问题

Merge pull request !2 from 魏巍/fix-use-mathJax-error

src/adapters/pjax.js

@@ -76,7 +76,7 @@ class PjaxAdapter extends Adapter {
       $.pjax({
         // needs full path for pjax to work with Firefox as per cross-domain-content setting
         url: location.protocol + '//' + location.host + path,
-        container: $pjaxContainer,
+        container: '#' + $pjaxContainer.attr('id'),
         fragment: fragment,
         timeout: 0 // global timeout doesn't seem to work, use this instead
       })