diff --git a/src/layouts/BasicLayout.vue b/src/layouts/BasicLayout.vue
index ca811f84..f3dbbbf3 100644
--- a/src/layouts/BasicLayout.vue
+++ b/src/layouts/BasicLayout.vue
@@ -268,6 +268,7 @@ onUnmounted(() => {
       v-bind="proConfig"
       :iconfont-url="scriptUrl"
       :locale="fnLocale"
+      :sider-width="256"
     >
       <!--插槽-菜单头-->
       <template #menuHeaderRender>