diff --git a/components/date-picker/style/patch.less b/components/date-picker/style/patch.less
index d00d4f0384..0757077a97 100644
--- a/components/date-picker/style/patch.less
+++ b/components/date-picker/style/patch.less
@@ -6,5 +6,8 @@
     &-range-arrow {
       display: none !important;
     }
+    &-dropdown {
+      z-index: auto;
+    }
   }
 }