diff --git a/components/cascader/style/index.less b/components/cascader/style/index.less
index eb6f891c39..f3d3b6ca38 100644
--- a/components/cascader/style/index.less
+++ b/components/cascader/style/index.less
@@ -88,6 +88,7 @@
       right: @control-padding-horizontal;
       width: 12px;
       height: 12px;
+      font-size: 12px;
       margin-top: -6px;
       line-height: 12px;
       color: @disabled-color;
diff --git a/components/form/style/index.less b/components/form/style/index.less
index c1464519f2..0aa6d71ffb 100644
--- a/components/form/style/index.less
+++ b/components/form/style/index.less
@@ -172,7 +172,7 @@ form {
 
     .@{ant-prefix}-cascader-picker {
       &-arrow {
-        margin-right: 21px;
+        margin-right: 17px;
       }
       &-clear {
         right: 28px;