diff --git a/packages/components/cascader/style/index.less b/packages/components/cascader/style/index.less
index d72860ed7..de376374e 100644
--- a/packages/components/cascader/style/index.less
+++ b/packages/components/cascader/style/index.less
@@ -92,7 +92,7 @@
 
     display: flex;
     flex-wrap: nowrap;
-    align-items: flex-start;
+    align-items: stretch;
     font-size: @cascader-option-font-size;
     overflow: auto;
   }