返回按钮的问题

src/components/common/common-navbar.vue

 <template>
-  <section v-if="!isWeb" :class="isFixNavbar ? 'nav-top fixed' : 'nav-top'" :style="'height:' + navHeight">
+  <section v-if="isWeb" :class="isFixNavbar ? 'nav-top fixed' : 'nav-top'" :style="'height:' + navHeight">
     <div
       class="nav-part"
       :style="'background:' + bgColor + ';'
       + 'padding-top:' + paddingTop + ';border-bottom:' + borderStyle"
     >
       <div class="nav-title">
-        <span v-if="isShowShare" class="nav-back" @click="goBack">
+        <span class="nav-back" @click="goBack">
           <img v-show="isBlack" src="../../images/left-array-black.png" alt="">
           <img v-show="!isBlack" src="../../images/left-array-whiter.png" alt="">
         </span>