diff --git a/src/components/BackToTop/index.vue b/src/components/BackToTop/index.vue
index fa6b18b0..cbb1f21d 100644
--- a/src/components/BackToTop/index.vue
+++ b/src/components/BackToTop/index.vue
@@ -1,6 +1,6 @@
 <template>
   <transition :name="transitionName">
-    <div class="back-to-top" @click="backToTop" v-show="visible" :style="customStyle">
+    <div class="back-to-ceiling" @click="backToTop" v-show="visible" :style="customStyle">
       <svg width="16" height="16" viewBox="0 0 17 17" xmlns="http://www.w3.org/2000/svg" class="Icon Icon--backToTopArrow" aria-hidden="true" style="height: 16px; width: 16px;">
         <title>回到顶部</title>
         <g>
@@ -82,14 +82,14 @@ export default {
 </script>
 
 <style scoped>
-  .back-to-top {
+  .back-to-ceiling {
     position: fixed;
     display: inline-block;
     text-align: center;
     cursor: pointer;
   }
 
-  .back-to-top:hover {
+  .back-to-ceiling:hover {
     background: #d5dbe7;
   }
 
@@ -103,7 +103,7 @@ export default {
     opacity: 0
   }
 
-  .back-to-top .Icon {
+  .back-to-ceiling .Icon {
     fill: #9aaabf;
     background: none;
   }