diff --git a/src/styles/components/tree.less b/src/styles/components/tree.less
index 447ba50..a04e809 100644
--- a/src/styles/components/tree.less
+++ b/src/styles/components/tree.less
@@ -61,4 +61,9 @@
             cursor: @cursor-disabled;
         }
     }
+
+    .@{checkbox-prefix-cls}-wrapper{
+        margin-right: 4px;
+        margin-left: 4px;
+    }
 }
--
libgit2 0.21.4