新手引导fix

components/Navi.vue

@@ -45,7 +45,7 @@
         <li class="nav__item"><router-link to="/login">登录</router-link></li>
         <li class="nav__item"><router-link to="/register">注册</router-link></li>
       </ul>
-      <v-tour name="myTour" :steps="steps" :options="myOptions"></v-tour>
+      <v-tour class="v-tour-style" name="myTour" :steps="steps" :options="myOptions"></v-tour>
     </div>
   </nav>
 </template>
@@ -123,4 +123,8 @@ export default {
 
 <style scoped>
 
+.v-tour-style {
+            box-shadow: 0 0 0 99999px rgba(0,0,0,.4);
+        }
+
 </style>