active the selected item should be highlighted

components/select/style/index.less

@@ -469,10 +469,6 @@
         background-color: @item-hover-bg;
       }
 
-      &-active {
-        background-color: @item-active-bg;
-      }
-
       &-disabled {
         color: @disabled-color;
         cursor: not-allowed;
@@ -493,6 +489,10 @@
         }
       }
 
+      &-active {
+        background-color: @item-active-bg;
+      }
+
       &-divider {
         height: 1px;
         margin: 1px 0;