diff --git a/components/cascader/style/index.less b/components/cascader/style/index.less
index 5dc5a623f6..1b6a61c1a7 100644
--- a/components/cascader/style/index.less
+++ b/components/cascader/style/index.less
@@ -18,6 +18,8 @@
     cursor: pointer;
     vertical-align: middle;
     font-size: @font-size-base;
+    background-color: #fff;
+    border-radius: @border-radius-base;
 
     &-disabled {
       cursor: not-allowed;