diff --git a/src/styles/components/tree.less b/src/styles/components/tree.less
index f261e969..fd315047 100644
--- a/src/styles/components/tree.less
+++ b/src/styles/components/tree.less
@@ -6,12 +6,21 @@
         margin: 0;
         padding: 0;
         font-size: @font-size-small;
+        &.@{dropdown-prefix-cls}-menu{
+            padding: 0;
+        }
         li{
             list-style: none;
             margin: 8px 0;
             padding: 0;
             white-space: nowrap;
             outline: none;
+
+            &.@{dropdown-item-prefix-cls}{
+                margin: 0;
+                padding: 7px 16px;
+                white-space: nowrap;
+            }
         }
     }
     li{