diff --git a/packages/fineui/src/less/base/tree/ztree.less b/packages/fineui/src/less/base/tree/ztree.less
index e9eee2c97..e7869baae 100644
--- a/packages/fineui/src/less/base/tree/ztree.less
+++ b/packages/fineui/src/less/base/tree/ztree.less
@@ -272,7 +272,9 @@
 }
 
 .bi-theme-dark {
-  .ztree.solid li span.button.center_docu, .ztree.solid li span.button.bottom_docu {
+  .ztree.solid li span.button.center_docu, .ztree.solid li span.button.bottom_docu,.ztree.solid li span.button.roots_docu {
+    background: none;
+    
     &:before {
       border-right: 1px solid @border-color-dark-gray-line-theme-dark;
     }
diff --git a/packages/fineui/src/widget/editor/editor.search.js b/packages/fineui/src/widget/editor/editor.search.js
index e0387b342..327d9464f 100644
--- a/packages/fineui/src/widget/editor/editor.search.js
+++ b/packages/fineui/src/widget/editor/editor.search.js
@@ -10,7 +10,7 @@ import {
     Controller,
     Events,
     HTapeLayout,
-    isEndWithBlank
+    isEndWithBlank, HorizontalFillLayout
 } from "@/core";
 import { IconButton, Editor, IconLabel } from "@/base";
 
@@ -87,14 +87,15 @@ export class SearchEditor extends Widget {
         createWidget({
             element: this,
             height: toPix(o.height, o.simple ? 1 : 2),
-            type: HTapeLayout.xtype,
+            type: HorizontalFillLayout.xtype,
+            columnSize: ["", "fill", ""],
             items: [
                 {
                     el: {
                         type: IconLabel.xtype,
                         cls: "search-font",
+                        width: 24,
                     },
-                    width: 24,
                 },
                 {
                     el: this.editor,