diff --git a/src/components/SimpleMenu/src/components/SubMenuItem.vue b/src/components/SimpleMenu/src/components/SubMenuItem.vue
index 2e9891c..d282580 100644
--- a/src/components/SimpleMenu/src/components/SubMenuItem.vue
+++ b/src/components/SimpleMenu/src/components/SubMenuItem.vue
@@ -60,7 +60,6 @@ const getClass = computed(() => {
   return [
     `${prefixCls}-submenu`,
     {
-      [`${prefixCls}-item-active`]: state.active,
       [`${prefixCls}-opened`]: state.opened,
       [`${prefixCls}-submenu-disabled`]: props.disabled,
       [`${prefixCls}-submenu-has-parent-submenu`]: unref(getParentSubMenu),