diff --git a/packages/engine/src/engine-core.ts b/packages/engine/src/engine-core.ts
index 4c6776f4a..7ab0b5077 100644
--- a/packages/engine/src/engine-core.ts
+++ b/packages/engine/src/engine-core.ts
@@ -158,7 +158,7 @@ plugins.register((ctx: ILowCodePluginContext) => {
         type: 'PanelDock',
         content: Outline,
         panelProps: {
-          area: 'leftFixedArea',
+          area: 'leftFloatArea',
         },
       });
       skeleton.add({