diff --git a/packages/fes-plugin-layout/src/runtime/views/BaseLayout.vue b/packages/fes-plugin-layout/src/runtime/views/BaseLayout.vue
index 9ee87419..2b8ba201 100644
--- a/packages/fes-plugin-layout/src/runtime/views/BaseLayout.vue
+++ b/packages/fes-plugin-layout/src/runtime/views/BaseLayout.vue
@@ -181,7 +181,7 @@ export default {
 };
 </script>
 
-<style lang="less" vars="{ sideWidth: sideWidth +'px' }">
+<style lang="less">
 .main-layout {
     min-height: 100vh;
     &.main-layout-collapsed {