diff --git a/apps/ai-game-creator-shell/src/features/app-shell/homeCreationFailure.ts b/apps/ai-game-creator-shell/src/features/app-shell/homeCreationFailure.ts
index 2ac9e3fbe..f8e7bca7a 100644
--- a/apps/ai-game-creator-shell/src/features/app-shell/homeCreationFailure.ts
+++ b/apps/ai-game-creator-shell/src/features/app-shell/homeCreationFailure.ts
@@ -11,6 +11,8 @@
  *    落回本模块的专用兜底，并按「工作区是否已经建好」分成两条，避免用户重做一遍。
  */
 
+import { visibleClientErrorMessage } from '../../services/errorReporting';
+
 /** 未分类失败的专用兜底文案。 */
 export const HOME_CREATION_UNCLASSIFIED_FAILURE = '创建未完成，请重试';
 
@@ -64,6 +66,19 @@ function isHomeCreationTransportText(text: string): boolean {
   );
 }
 
+function safeHomeCreationDetail(error: unknown, code?: string) {
+  const detail = visibleClientErrorMessage(error, '').trim();
+  if (!detail) return '';
+  if (!code) return detail;
+  const withoutCode = detail
+    .replace(code, '')
+    .replace(/^\s*[：:;；,，-]\s*/u, '')
+    .trim();
+  return withoutCode === code || /[：:;；,，-]\s*$/u.test(withoutCode)
+    ? ''
+    : withoutCode;
+}
+
 /**
  * 由宿主错误算出用户可见文案。
  *
@@ -76,20 +91,25 @@ export function homeCreationFailureMessage(
 ): string {
   const projectCreated = options.projectCreated === true;
   const text = homeCreationDiagnosticText(error);
+  const safeDetail = safeHomeCreationDetail(error);
   if (isHomeCreationTransportText(text)) {
-    return projectCreated
+    const base = projectCreated
       ? HOME_CREATION_AFTER_PROJECT_IPC_FAILURE
       : HOME_CREATION_IPC_FAILURE;
+    return safeDetail ? `${base}（${safeDetail}）` : base;
   }
   const code = HOME_CREATION_HOST_CODE.exec(text)?.[0];
   if (code) {
-    return projectCreated
+    const base = projectCreated
       ? `工作区已创建；未能进入项目开发（${code}）；请从「已创建的工作区」打开后重试。`
       : `创建未完成（${code}）；请重试。`;
+    const detail = safeHomeCreationDetail(error, code);
+    return detail ? `${base}（${detail}）` : base;
   }
-  return projectCreated
+  const base = projectCreated
     ? HOME_CREATION_AFTER_PROJECT_FAILURE
     : HOME_CREATION_UNCLASSIFIED_FAILURE;
+  return safeDetail ? `${base}（${safeDetail}）` : base;
 }
 
 /** 包装成带证据的创建失败；控制器负责把 `diagnostic` 写进日志后再抛出。 */
diff --git a/apps/ai-game-creator-shell/tests/homeCreationFailure.test.ts b/apps/ai-game-creator-shell/tests/homeCreationFailure.test.ts
index 11c1db813..5f45ba17d 100644
--- a/apps/ai-game-creator-shell/tests/homeCreationFailure.test.ts
+++ b/apps/ai-game-creator-shell/tests/homeCreationFailure.test.ts
@@ -28,7 +28,7 @@ it('宿主机器码原样显示，不落回通用文案', () => {
 
 it('调用通道失联使用专用 IPC 文案，不冒充业务原因', () => {
   expect(homeCreationFailureMessage(new Error('Failed to fetch'))).toBe(
-    HOME_CREATION_IPC_FAILURE,
+    `${HOME_CREATION_IPC_FAILURE}（Failed to fetch）`,
   );
   expect(
     homeCreationFailureMessage(
@@ -37,12 +37,14 @@ it('调用通道失联使用专用 IPC 文案，不冒充业务原因', () => {
       ),
       { projectCreated: true },
     ),
-  ).toBe(HOME_CREATION_AFTER_PROJECT_IPC_FAILURE);
+  ).toBe(
+    `${HOME_CREATION_AFTER_PROJECT_IPC_FAILURE}（IPC custom protocol failed, Tauri will now use the postMessage interface instead TypeError: Failed to fetch）`,
+  );
 });
 
 it('拿不到任何机器码时使用专用兜底，并按是否已建好工作区分文案', () => {
   expect(homeCreationFailureMessage(new Error('自动创建测试结束'))).toBe(
-    HOME_CREATION_UNCLASSIFIED_FAILURE,
+    `${HOME_CREATION_UNCLASSIFIED_FAILURE}（自动创建测试结束）`,
   );
   expect(homeCreationFailureMessage(undefined)).toBe(
     HOME_CREATION_UNCLASSIFIED_FAILURE,
@@ -51,7 +53,9 @@ it('拿不到任何机器码时使用专用兜底，并按是否已建好工作
     homeCreationFailureMessage(new Error('design runtime unavailable'), {
       projectCreated: true,
     }),
-  ).toBe(HOME_CREATION_AFTER_PROJECT_FAILURE);
+  ).toBe(
+    `${HOME_CREATION_AFTER_PROJECT_FAILURE}（design runtime unavailable）`,
+  );
 });
 
 it('宿主原始文本只进诊断，不进用户文案', () => {
@@ -60,7 +64,9 @@ it('宿主原始文本只进诊断，不进用户文案', () => {
     { projectCreated: false },
   );
   expect(failure).toBeInstanceOf(HomeCreationFailure);
-  expect(failure.userMessage).toBe(HOME_CREATION_UNCLASSIFIED_FAILURE);
+  expect(failure.userMessage).toBe(
+    `${HOME_CREATION_UNCLASSIFIED_FAILURE}（Provider 返回 500：<url>）`,
+  );
   expect(failure.diagnostic).toBe(
     'Provider 返回 500：https://provider.example/private',
   );