diff --git a/apps/ai-game-creator-shell/src/view/ui-editor/components/InputSidebar.tsx b/apps/ai-game-creator-shell/src/view/ui-editor/components/InputSidebar.tsx
index 3d45b312f..b4ed82b66 100644
--- a/apps/ai-game-creator-shell/src/view/ui-editor/components/InputSidebar.tsx
+++ b/apps/ai-game-creator-shell/src/view/ui-editor/components/InputSidebar.tsx
@@ -25,7 +25,7 @@ export function InputSidebar({
   } = controller;
 
   return (
-    <aside className="min-h-0 overflow-y-auto border-r border-(--platform-subpanel-border) bg-(--platform-subpanel-fill) p-3">
+    <aside className="h-full min-h-0 overflow-y-auto border-r border-(--platform-subpanel-border) bg-(--platform-subpanel-fill) p-3">
       <div className="mb-3 grid gap-2">
         <button
           type="button"
diff --git a/apps/ai-game-creator-shell/src/view/ui-editor/components/Inspector/InspectorSidebar.tsx b/apps/ai-game-creator-shell/src/view/ui-editor/components/Inspector/InspectorSidebar.tsx
index aee45cf9d..f0a965820 100644
--- a/apps/ai-game-creator-shell/src/view/ui-editor/components/Inspector/InspectorSidebar.tsx
+++ b/apps/ai-game-creator-shell/src/view/ui-editor/components/Inspector/InspectorSidebar.tsx
@@ -149,7 +149,7 @@ export function InspectorSidebar({
   }
 
   return (
-    <aside className="flex min-h-0 flex-col overflow-y-auto border-l border-(--platform-subpanel-border) bg-(--platform-subpanel-fill) p-4">
+    <aside className="flex h-full min-h-0 flex-col overflow-y-auto border-l border-(--platform-subpanel-border) bg-(--platform-subpanel-fill) p-4">
       <div className="flex items-center gap-2">
         <Boxes size={15} />
         <h2 className="m-0 text-sm font-semibold">
diff --git a/apps/ai-game-creator-shell/src/view/ui-editor/components/preview/PreviewWorkspace.tsx b/apps/ai-game-creator-shell/src/view/ui-editor/components/preview/PreviewWorkspace.tsx
index fb1bd678a..42c6a5be4 100644
--- a/apps/ai-game-creator-shell/src/view/ui-editor/components/preview/PreviewWorkspace.tsx
+++ b/apps/ai-game-creator-shell/src/view/ui-editor/components/preview/PreviewWorkspace.tsx
@@ -12,7 +12,7 @@ import {
   CanvasWorld,
   ZoomControls,
 } from '@genarrative/image-canvas-react';
-import { Image as ImageIcon, Minus, Plus, ScanSearch } from 'lucide-react';
+import { Image as ImageIcon, Minus, Plus } from 'lucide-react';
 import {
   type PointerEvent as ReactPointerEvent,
   useCallback,
@@ -270,7 +270,7 @@ export function PreviewWorkspace({
   };
 
   return (
-    <section className="flex min-h-0 min-w-0 flex-col overflow-hidden bg-(--platform-body-fill)">
+    <section className="flex h-full min-h-0 min-w-0 flex-col overflow-hidden bg-(--platform-body-fill)">
       <header className="flex h-12 shrink-0 items-center justify-between border-b border-(--platform-subpanel-border) px-4">
         <h1 className="m-0 text-sm font-semibold">UI布局编辑器</h1>
         <div className="flex items-center gap-3">
@@ -406,7 +406,7 @@ export function PreviewWorkspace({
           </ZoomControls>
         </div>
       ) : (
-        <div className="grid min-h-0 flex-1 place-items-center overflow-auto p-8">
+        <div className="grid h-full min-h-0 flex-1 place-items-center overflow-auto p-8">
           <div className="w-full max-w-xl rounded-2xl border border-dashed border-(--platform-subpanel-border) bg-white/35 p-10 text-center">
             <ImageIcon
               size={30}
@@ -435,13 +435,6 @@ export function PreviewWorkspace({
         >
           清空
         </button>
-        <button
-          type="button"
-          className="inline-flex items-center gap-1.5 rounded-lg bg-orange-500 px-3 py-2 text-xs font-semibold text-white"
-          onClick={controller.checkPrerequisites}
-        >
-          <ScanSearch size={14} /> 检查前置数据
-        </button>
       </footer>
     </section>
   );
diff --git a/apps/ai-game-creator-shell/src/view/ui-editor/index.tsx b/apps/ai-game-creator-shell/src/view/ui-editor/index.tsx
index 4f36c3097..942f4fe19 100644
--- a/apps/ai-game-creator-shell/src/view/ui-editor/index.tsx
+++ b/apps/ai-game-creator-shell/src/view/ui-editor/index.tsx
@@ -151,9 +151,9 @@ export default function UiEditorPage({
         disabled={controller.isAiRunning}
         onChange={controller.requestStepChange}
       />
-      <div className="grid min-h-0 flex-1 grid-cols-[300px_minmax(360px,1fr)_400px] overflow-hidden">
+      <div className="grid h-full min-h-0 flex-1 grid-cols-[300px_minmax(360px,1fr)_400px] overflow-hidden">
         <InputSidebar controller={controller} />
-        <div className="flex min-h-0 min-w-0 flex-col">
+        <div className="flex h-full min-h-0 min-w-0 flex-col">
           <WorkflowActionCard controller={controller} />
           <PreviewWorkspace controller={controller} />
         </div>