diff --git a/customize.dist/src/less2/include/drive.less b/customize.dist/src/less2/include/drive.less
index a33ac1bb5..f36308222 100644
--- a/customize.dist/src/less2/include/drive.less
+++ b/customize.dist/src/less2/include/drive.less
@@ -416,9 +416,7 @@
             font-size: 14px;
             position: absolute;
             left: -17px;
-            top: 10px;
             overflow: hidden;
-            background-color: @cp_sidebar-left-item-bg;
             padding: 0;
             margin: 0;
             z-index: 10;
@@ -474,7 +472,7 @@
                     padding-left: 15px;
                 }
                 &> ul {
-                    padding-left: 30px;
+                    padding-left: 20px;
                 }
             }
         }
@@ -483,7 +481,7 @@
         .cp-app-drive-tree-docs ul {
             margin: 0px 0px 0px 10px;
             list-style: none;
-            padding-left: 10px;
+            padding-left: 5px;
             li {
                 position: relative;
                 &.cp-app-drive-tree-root {