diff --git a/packages/varlet-ui/src/index-bar/indexBar.less b/packages/varlet-ui/src/index-bar/indexBar.less
index b5455b2e5a7..5cb57c0b406 100644
--- a/packages/varlet-ui/src/index-bar/indexBar.less
+++ b/packages/varlet-ui/src/index-bar/indexBar.less
@@ -14,7 +14,6 @@
 
 .var-index-bar {
   position: relative;
-  height: 100%;
 
   &__anchor-list {
     position: fixed;