diff --git a/package/component/src/component/menu/index.less b/package/component/src/component/menu/index.less
index 2427722f..398d7678 100644
--- a/package/component/src/component/menu/index.less
+++ b/package/component/src/component/menu/index.less
@@ -315,7 +315,7 @@
 .layui-sub-menu-popup-content {
   border: unset;
   border-radius: 2px;
-  background-color: #353535;
+  background-color: #393d49;
 
   .layui-nav-item {
     width: 100%;
diff --git a/package/component/src/component/subMenu/SubMenuPopup.vue b/package/component/src/component/subMenu/SubMenuPopup.vue
index ea1fa3ef..f4f00fb7 100644
--- a/package/component/src/component/subMenu/SubMenuPopup.vue
+++ b/package/component/src/component/subMenu/SubMenuPopup.vue
@@ -26,10 +26,7 @@ const isOpen = computed(() => {
 });
 
 const computedTheme = computed(() => {
-  if (isTree.value) {
-    return theme.value === "light" ? "-light" : "";
-  }
-  return theme.value === "light" ? "" : "-light";
+  return theme.value === "light" ? "-light" : "";
 });
 
 const computedExpandIcon = computed(() => {
diff --git a/package/document-component/src/document/zh-CN/components/menu.md b/package/document-component/src/document/zh-CN/components/menu.md
index e35fa194..5046dadf 100644
--- a/package/document-component/src/document/zh-CN/components/menu.md
+++ b/package/document-component/src/document/zh-CN/components/menu.md
@@ -33,6 +33,7 @@
         </lay-sub-menu>
     </lay-sub-menu> 
   </lay-menu>
+  <br/>
   <lay-menu v-model:selected-key="selectedKey" v-model:open-keys="openKeys1" theme="light">
     <lay-menu-item id="1"><router-link to="/">hahah </router-link></lay-menu-item>
     <lay-menu-item id="2">首页</lay-menu-item>