布局重新修改

components/common/common-tabs.vue

 <!-- Tabs组件 -->
 <template>
-  <div class="common-tabs-wrapper">
+  <div class="common-tabs-wrapper" :class="{'fixed': needFixed}">
     <div class="sub-wrapper" :class="{'fixed': needFixed}">
       <ul class="common-tabs">
         <li