diff --git a/components/date-picker/style/WeekPicker.less b/components/date-picker/style/WeekPicker.less
index a6f533693c..a2b8aa705b 100644
--- a/components/date-picker/style/WeekPicker.less
+++ b/components/date-picker/style/WeekPicker.less
@@ -2,7 +2,7 @@
   &-cell {
     opacity: 0.5;
   }
-  tr {
+  .@{calendar-prefix-cls}-body tr {
     transition: all .3s;
     cursor: pointer;
     &:hover {