perf: 优化首页跳转

src/components/common/Navbar.vue

@@ -2,7 +2,7 @@
   <div class="mainNav" id="mainNav">
     <div class="box_center cf">
       <ul class="nav" id="navModule">
-        <li ><a href="/">首页</a></li>
+        <li ><router-link :to="{ name: 'home' }">首页</router-link></li>
         <li> <router-link :to="{ name: 'bookClass' }">
         全部作品
       </router-link></li>

src/components/common/Top.vue

@@ -1,7 +1,7 @@
  <template>
   <div class="topMain">
     <div class="box_center cf">
-      <a href="/" class="logo fl"><img :src="logo" alt="小说精品屋" /></a>
+      <router-link :to="{ name: 'home' }" class="logo fl"><img :src="logo" alt="小说精品屋" /></router-link>
       <div class="searchBar fl">
         <div class="search cf">
           <input