diff --git a/src/less/base/tree/ztree.less b/src/less/base/tree/ztree.less
index 9291efa27..4591f64ec 100644
--- a/src/less/base/tree/ztree.less
+++ b/src/less/base/tree/ztree.less
@@ -92,7 +92,7 @@
 }
 
 .ztree.solid li a {
-  height: 32px;
+  height: 30px;
 }
 
 .ztree li a.curSelectedNode {
@@ -143,7 +143,7 @@
 }
 
 .ztree.solid li span {
-  line-height: 32px;
+  line-height: 30px;
 }
 
 .ztree li span.icon {
@@ -282,8 +282,8 @@
 }
 
 .ztree.solid li span.button.switch {
-  width: 32px;
-  height: 32px
+  width: 30px;
+  height: 30px
 }
 
 .ztree li span.button.switch.noline_open {