diff --git a/src/assets/css/ivewExpand.less b/src/assets/css/ivewExpand.less
index a91adba..1f1a1f1 100644
--- a/src/assets/css/ivewExpand.less
+++ b/src/assets/css/ivewExpand.less
@@ -6,10 +6,6 @@
   z-index: 999999;
 }
 
-.ivu-select-dropdown-list {
-  height: 200px !important;
-  overflow: auto;
-}
 
 .float-right {
   float: right;