diff --git a/packages/ui/src/DateRanger/index.less b/packages/ui/src/DateRanger/index.less
index 85e4e5301..c4c334f37 100644
--- a/packages/ui/src/DateRanger/index.less
+++ b/packages/ui/src/DateRanger/index.less
@@ -56,13 +56,13 @@
     0 3px 6px -4px rgba(54, 69, 99, 0.12),
     0 9px 28px 8px rgba(54, 69, 99, 0.05);
 
-  .ant-dropdown-menu {
+  .@{prefixCls}-dropdown-menu {
     padding: 0;
     box-shadow: none;
   }
 
-  .ant-picker-time-panel-container {
-    .ant-picker-content {
+  .@{prefixCls}-picker-time-panel-container {
+    .@{prefixCls}-picker-content {
       height: 148px;
     }
   }