diff --git a/docs/【编辑器】宣发素材工具演示入口设计-2026-06-17.md b/docs/【编辑器】宣发素材工具演示入口设计-2026-06-17.md
index 43cde8439..3b9088964 100644
--- a/docs/【编辑器】宣发素材工具演示入口设计-2026-06-17.md
+++ b/docs/【编辑器】宣发素材工具演示入口设计-2026-06-17.md
@@ -6,6 +6,8 @@
 
 Prompt 输入摘要与 Prompt 约束只作为内部生成契约维护，不在 UI 中默认暴露；真实生图请求会把结构化游戏输入和对应工作流约束合并为内部 Prompt。
 
+三个工作流的输入框默认提示统一为：游戏名 `马戏团午夜惊魂`，游戏分类 `非对称对抗`，一句话描述游戏 `神奇数字马戏团里，帕姆尼失控了，找到钥匙，开门逃离马戏团，千万别被抓住了`。提示只作为占位文案，用户未填写时不进入生图 Prompt。
+
 ## 入口
 
 - 页面：`/editor/canvas`
diff --git a/src/components/image-editor/ImageCanvasPublicationMaterialsDemoPanelView.tsx b/src/components/image-editor/ImageCanvasPublicationMaterialsDemoPanelView.tsx
index 750d0fe31..37b1970f4 100644
--- a/src/components/image-editor/ImageCanvasPublicationMaterialsDemoPanelView.tsx
+++ b/src/components/image-editor/ImageCanvasPublicationMaterialsDemoPanelView.tsx
@@ -142,7 +142,7 @@ export function ImageCanvasPublicationMaterialsDemoPanelView({
             aria-label={`${workflow.label}游戏名`}
             value={publicationGameInfo.gameName}
             disabled={dialog.status === 'generating'}
-            placeholder="重庆洪崖洞火锅"
+            placeholder="马戏团午夜惊魂"
             size="sm"
             density="compact"
             className="image-canvas-editor__publication-input"
@@ -168,7 +168,7 @@ export function ImageCanvasPublicationMaterialsDemoPanelView({
             aria-label={`${workflow.label}游戏分类`}
             value={publicationGameInfo.gameCategories}
             disabled={dialog.status === 'generating'}
-            placeholder="抓大鹅、休闲、治愈、手绘风"
+            placeholder="非对称对抗"
             size="sm"
             density="compact"
             className="image-canvas-editor__publication-input"
@@ -195,7 +195,7 @@ export function ImageCanvasPublicationMaterialsDemoPanelView({
             aria-label={`${workflow.label}一句话描述游戏`}
             value={publicationGameInfo.gameDescription}
             disabled={dialog.status === 'generating'}
-            placeholder="在一堆物品里点击，找到三个一样的物品将其消除"
+            placeholder="神奇数字马戏团里，帕姆尼失控了，找到钥匙，开门逃离马戏团，千万别被抓住了"
             size="sm"
             density="compact"
             className="image-canvas-editor__publication-description"
diff --git a/src/components/image-editor/useImageCanvasGenerationSurface.test.tsx b/src/components/image-editor/useImageCanvasGenerationSurface.test.tsx
index 8f46176f5..0c1e0f472 100644
--- a/src/components/image-editor/useImageCanvasGenerationSurface.test.tsx
+++ b/src/components/image-editor/useImageCanvasGenerationSurface.test.tsx
@@ -207,6 +207,17 @@ describe('useImageCanvasGenerationSurface', () => {
     expect(gameNameInput).toBeTruthy();
     expect(screen.getByLabelText('游戏首图游戏分类')).toBeTruthy();
     expect(screen.getByLabelText('游戏首图一句话描述游戏')).toBeTruthy();
+    expect(gameNameInput.getAttribute('placeholder')).toBe('马戏团午夜惊魂');
+    expect(
+      screen.getByLabelText('游戏首图游戏分类').getAttribute('placeholder'),
+    ).toBe('非对称对抗');
+    expect(
+      screen
+        .getByLabelText('游戏首图一句话描述游戏')
+        .getAttribute('placeholder'),
+    ).toBe(
+      '神奇数字马戏团里，帕姆尼失控了，找到钥匙，开门逃离马戏团，千万别被抓住了',
+    );
     fireEvent.change(gameNameInput, { target: { value: '重庆洪崖洞火锅' } });
     expect(screen.getByRole('button', { name: '添加参考图' })).toBeTruthy();
     expect(