diff --git a/packages/editor-skeleton/src/layouts/workbench.less b/packages/editor-skeleton/src/layouts/workbench.less
index a0e830364..a20d84714 100644
--- a/packages/editor-skeleton/src/layouts/workbench.less
+++ b/packages/editor-skeleton/src/layouts/workbench.less
@@ -16,8 +16,8 @@
   --right-area-width: 300px;
   --top-area-height: 48px;
   --toolbar-height: 36px;
-  --dock-pane-width: 280px;
-  --dock-fixed-pane-width: 280px;
+  --dock-pane-width: 300px;
+  --dock-fixed-pane-width: 300px;
 }
 
 @media (min-width: 1860px) {