diff --git a/packages/workspace/src/layouts/workbench.tsx b/packages/workspace/src/layouts/workbench.tsx
index 7d2d96df1..9bdbe3f93 100644
--- a/packages/workspace/src/layouts/workbench.tsx
+++ b/packages/workspace/src/layouts/workbench.tsx
@@ -49,7 +49,7 @@ export class Workbench extends Component<{
         <SkeletonContext.Provider value={skeleton}>
           <TopArea area={skeleton.topArea} itemClassName={topAreaItemClassName} />
           <div className="lc-workspace-workbench-body">
-            <LeftArea className="lc-workspace-left-area" area={skeleton.leftArea} />
+            <LeftArea className="lc-workspace-left-area lc-left-area" area={skeleton.leftArea} />
             <LeftFloatPane area={skeleton.leftFloatArea} />
             <LeftFixedPane area={skeleton.leftFixedArea} />
             <div className="lc-workspace-workbench-center">
diff --git a/packages/workspace/src/window.ts b/packages/workspace/src/window.ts
index 2c670346f..ce5aab414 100644
--- a/packages/workspace/src/window.ts
+++ b/packages/workspace/src/window.ts
@@ -126,9 +126,10 @@ export class EditorWindow implements IEditorWindow {
   async init() {
     await this.initViewTypes();
     await this.execViewTypesInit();
-    Promise.all(Array.from(this.editorViews.values()).map((d) => d.onSimulatorRendererReady)).then(() => {
-      this.workspace.emitWindowRendererReady();
-    });
+    Promise.all(Array.from(this.editorViews.values()).map((d) => d.onSimulatorRendererReady()))
+      .then(() => {
+        this.workspace.emitWindowRendererReady();
+      });
     this.url = await this.resource.url();
     this.setDefaultViewName();
     this.initReady = true;