diff --git a/example/docs/zh-CN/guide/changelog.md b/example/docs/zh-CN/guide/changelog.md
index ab9545d5..04d42a79 100644
--- a/example/docs/zh-CN/guide/changelog.md
+++ b/example/docs/zh-CN/guide/changelog.md
@@ -17,6 +17,7 @@
         <h3>0.4.3 <span class="layui-badge-rim">2022-03-27</span></h3> 
         <ul>
           <li>[修复] menu 组件 level 属性不生效。</li>
+          <li>[修复] step 组件 line 连线不显示。
         </ul> 
       </li>
     </ul>
diff --git a/example/src/layouts/Layout.vue b/example/src/layouts/Layout.vue
index 999570ba..1c7f426d 100644
--- a/example/src/layouts/Layout.vue
+++ b/example/src/layouts/Layout.vue
@@ -319,6 +319,7 @@ export default {
   overflow-x: hidden;
   position: fixed;
   margin-top: 60px;
+  z-index: 999;
   height: calc(100% - 60px);
   box-shadow: 2px 0 8px 0 rgb(29 35 41 / 5%);
 }