diff --git a/packages/ui/src/DateRanger/index.less b/packages/ui/src/DateRanger/index.less
index f3333b3cc..21ce708ac 100644
--- a/packages/ui/src/DateRanger/index.less
+++ b/packages/ui/src/DateRanger/index.less
@@ -7,6 +7,7 @@
     border: 1px solid @colorBorder;
     border-radius: 4px 0 0 4px;
     box-sizing: border-box;
+    display: flex;
     // FIXED: 存在不生效情况
     .@{prefix}-picker {
       padding-left: 0px;