修改

src/components/detail/breadcrumb.vue

@@ -1,5 +1,5 @@
 <template>
-    <div class="pos-r">
+    <div class="pos-r" style="z-index: 1;">
         <div class="authentication-top" 
         :class="[pageType==2?'intermediary-top':'']"
         v-if="data['data'] && data['data'].info && (data['data'].info.verified === 1||data['data'].isintermediary)">
@@ -41,7 +41,7 @@
                     </el-breadcrumb-item>
                 </el-breadcrumb>
             </div>
-            <div class="dis-f al-item jus-bet title-box">
+            <div class="dis-f al-item jus-bet title-box" style="position: relative;">
                 <div class="detail-title">
                     {{ data['data']['info'] && data['data']['info'].subject }}
                 </div>
@@ -56,7 +56,7 @@
                     <div class="line">
 
                     </div>
-                    <div class="btn-s dis-f al-item jus-x" style="position: relative;">
+                    <div class="btn-s dis-f al-item jus-x">
                         <img src="../../assets/img/detail/forward.png" class="img" alt="">
                         <span class="mg-l-5">
                             转发