Merge branch 'dev/v1.2.15_zsy' of jianyu/jy-docs into feature/v1.2.15

jydocs-pc/src/views/Content.vue

@@ -1436,5 +1436,7 @@ export default {
     border-top: 6px solid #f2f2f2;
   }
 }
-
+.bottoms-preview{
+  top: 0 !important;
+}
 </style>