diff --git a/src/styles/components/cascader.less b/src/styles/components/cascader.less
index 036c913..b498bfc 100644
--- a/src/styles/components/cascader.less
+++ b/src/styles/components/cascader.less
@@ -37,6 +37,7 @@
         width: auto;
         padding: 0;
         white-space: nowrap;
+        overflow: visible;
     }
 
     .select-item(@cascader-prefix-cls, @cascader-item-prefix-cls);
diff --git a/src/styles/themes/default/custom.less b/src/styles/themes/default/custom.less
index d2174cd..fc28ab0 100644
--- a/src/styles/themes/default/custom.less
+++ b/src/styles/themes/default/custom.less
@@ -95,7 +95,7 @@
 @input-padding-vertical-small: 1px;
 @input-padding-vertical-large: 6px;
 
-@input-placeholder-color     : #ccc;
+@input-placeholder-color     : @btn-disable-color;
 @input-color                 : @text-color;
 @input-border-color          : @border-color-base;
 @input-bg                    : #fff;
--
libgit2 0.21.4