fix comment header

 <template>
   <Layout style="background: none;">
-    <LayoutHeader :back="!popup" theme="white" slot='header'>
+    <LayoutHeader class="comment-header" :back="!popup" theme="white" slot='header'>
       {{headerText}}
       <template v-slot:opts v-if="popup">
         <i class="iconfont icon-close icon" @touchend.prevent="onClose"></i>
@@ -57,3 +57,10 @@ export default {
   components: {CommentList}
 };
 </script>
+
+
+<style scoped lang="scss">
+.comment-header {
+  padding-top: 0!important;
+}
+</style>