style:refine 404

src/views/errorPage/404.vue

 <template>
-  <div style="background:#f0f2f5;margin-top: -20px;">
+  <div style="background:#f0f2f5;margin-top: -20px;height:100%;">
     <div class="wscn-http404">
       <div class="pic-404">
         <img class="pic-404__parent" :src="img_404" alt="404">
@@ -9,7 +9,9 @@
       </div>
       <div class="bullshit">
         <div class="bullshit__oops">OOPS!</div>
-        <div class="bullshit__info">版权所有<a class='link-type' href='https://wallstreetcn.com' target='_blank'>华尔街见闻</a></div>
+        <div class="bullshit__info">版权所有
+          <a class='link-type' href='https://wallstreetcn.com' target='_blank'>华尔街见闻</a>
+        </div>
         <div class="bullshit__headline">{{ message }}</div>
         <div class="bullshit__info">请检查您输入的网址是否正确，请点击以下按钮返回主页或者发送错误报告</div>
         <a href="/" class="bullshit__return-home">返回首页</a>