diff --git a/src/styles/components/cascader.less b/src/styles/components/cascader.less
index 6cd2049..630e525 100644
--- a/src/styles/components/cascader.less
+++ b/src/styles/components/cascader.less
@@ -85,7 +85,7 @@
         color: @btn-disable-color;
     }
     &-not-found .@{select-dropdown-prefix-cls} {
-        width: 100%;
+        width: inherit;
     }
 
     &-menu{
--
libgit2 0.21.4