diff --git a/src/index.module.less b/src/index.module.less
index c9c5dfa..a4e9e70 100644
--- a/src/index.module.less
+++ b/src/index.module.less
@@ -67,6 +67,7 @@
           min-height: 20%;
           max-height: 60%;
           box-sizing: border-box;
+          padding-top: 6px;
           background: none;
           :global(.arco-layout-sider-children) {
             height: calc(100% - 4px);