diff --git a/components/calendar/style/index.less b/components/calendar/style/index.less
index 025d031e35..83d0830b95 100644
--- a/components/calendar/style/index.less
+++ b/components/calendar/style/index.less
@@ -22,7 +22,7 @@
     margin-left: 8px;
 
     &.@{ant-prefix}-select-sm {
-      min-width: 60px;
+      min-width: 70px;
     }
   }