diff --git a/src/tree-select/tree-select.less b/src/tree-select/tree-select.less
index 35e5daca6..77f59237c 100644
--- a/src/tree-select/tree-select.less
+++ b/src/tree-select/tree-select.less
@@ -31,6 +31,8 @@
   }
 
   &__item {
+    .ellipsisLn(1);
+
     height: @tree-item-height;
     line-height: @tree-item-height;
     font-size: @tree-item-font-size;
diff --git a/src/tree-select/tree-select.wxml b/src/tree-select/tree-select.wxml
index 5a0f3505a..6f197544d 100644
--- a/src/tree-select/tree-select.wxml
+++ b/src/tree-select/tree-select.wxml
@@ -51,6 +51,7 @@
         class="{{classPrefix}}__radio-item {{prefix}}-class-right-item"
         t-class-label="{{prefix}}-class-right-item-label"
         value="{{item.value}}"
+        maxLabelRow="{{1}}"
         borderless
         placement="right"
         >{{item.label}}</t-radio