diff --git a/src/less/base/segment/segment.less b/src/less/base/segment/segment.less
index a047919c2c..82e6f2b3ec 100644
--- a/src/less/base/segment/segment.less
+++ b/src/less/base/segment/segment.less
@@ -32,7 +32,7 @@
     & > .first-element{
       border-left: 1px solid @color-bi-background-default-theme-dark;
     }
-    & > .first-element.bi-list-item-select.disabled{
+    &.disabled > .first-element{
       border-left: 1px solid @color-bi-border-line-theme-dark;
     }
     & .bi-list-item-select.disabled{