diff --git a/yudao-ui-admin/src/assets/styles/element-ui.scss b/yudao-ui-admin/src/assets/styles/element-ui.scss
index 955d3cab2..513667126 100644
--- a/yudao-ui-admin/src/assets/styles/element-ui.scss
+++ b/yudao-ui-admin/src/assets/styles/element-ui.scss
@@ -82,3 +82,11 @@
 .el-range-separator {
   box-sizing: content-box;
 }
+
+.el-menu--collapse
+> div
+> .el-submenu
+> .el-submenu__title
+.el-submenu__icon-arrow {
+  display: none;
+}