diff --git a/client/components/combobox.less b/client/components/combobox.less
index 0cf81d383..69c316db9 100644
--- a/client/components/combobox.less
+++ b/client/components/combobox.less
@@ -9,7 +9,7 @@
         z-index: 100;
         width: 100%;
         border: 1px solid gray;
-        overflow-y: scroll;
+        overflow-y: auto;
         max-height: 200px;
         .item {
             position:relative;