diff --git a/components/date-picker/style/Picker.less b/components/date-picker/style/Picker.less
index a5b3d6e198..d62a5fd2d3 100644
--- a/components/date-picker/style/Picker.less
+++ b/components/date-picker/style/Picker.less
@@ -48,7 +48,7 @@
     z-index: 1;
     position: absolute;
     right: 7px;
-    background: #fff;
+    background: @input-bg;
     top: 50%;
     font-size: @font-size-base;
     color: @disabled-color;