diff --git a/src/less/base/tree/ztree.less b/src/less/base/tree/ztree.less
index 4591f64ec..6f6fa77c7 100644
--- a/src/less/base/tree/ztree.less
+++ b/src/less/base/tree/ztree.less
@@ -50,7 +50,7 @@
   &:before {
     border-left: 1px solid @border-color-dark-gray-line;
     height: 100%;
-    left: 15px;
+    left: 14px;
     margin-top: 0;
   }
 }