diff --git a/src/components/FormItem/AddSelect/index.less b/src/components/FormItem/AddSelect/index.less
index a8072136..5a3562b6 100644
--- a/src/components/FormItem/AddSelect/index.less
+++ b/src/components/FormItem/AddSelect/index.less
@@ -1,13 +1,14 @@
 .add-select {
 }
 .items {
-  overflow: hidden;
+  float: left;
+  width: 100%;
 }
 .item {
   position: relative;
-  margin-bottom: 8px;
   margin-top: 8px;
-  overflow: hidden;
+  float: left;
+  width: 100%;
   :global {
     .ant-form-item-has-success
       .ant-select:not(.ant-select-borderless)