diff --git a/apps/ai-game-creator-shell/src/features/app-shell/homeWebPreflight.ts b/apps/ai-game-creator-shell/src/features/app-shell/homeWebPreflight.ts
index 976be5cbd..172b3eabb 100644
--- a/apps/ai-game-creator-shell/src/features/app-shell/homeWebPreflight.ts
+++ b/apps/ai-game-creator-shell/src/features/app-shell/homeWebPreflight.ts
@@ -1,4 +1,5 @@
 import type { ProjectStartMode, TauriInvoke } from '../../app/types';
+import { visibleClientErrorMessage } from '../../services/errorReporting';
 import type { HomeCreationType } from '../../view/home/useHomeDraftStore';
 
 /**
@@ -28,12 +29,32 @@ function knownPreflightCode(value: unknown): string | undefined {
 }
 
 export function homeWebPreflightErrorMessage(value: unknown): string {
+  const visible = visibleClientErrorMessage(value, '');
+  if (
+    visible.startsWith('Web 游戏环境预检未通过（') ||
+    visible.startsWith(HOME_WEB_PREFLIGHT_IPC_FAILURE)
+  ) {
+    return visible;
+  }
   if (value instanceof Error && value.message === HOME_WEB_PREFLIGHT_FAILURE) {
     return HOME_WEB_PREFLIGHT_FAILURE;
   }
   const code = knownPreflightCode(value);
-  if (code) return `Web 游戏环境预检未通过（${code}）；尚未开始生成。`;
-  return HOME_WEB_PREFLIGHT_IPC_FAILURE;
+  const safeDetail = visible
+    .replace(/Web 游戏环境预检未通过[：:]?/u, '')
+    .replace(code ?? '', '')
+    .replace(/[；;]?\s*尚未启动生成[。.]?/u, '')
+    .replace(/^\s*[；:：,，-]\s*/u, '')
+    .replace(/[；;]\s*$/u, '')
+    .trim();
+  if (code) {
+    return safeDetail
+      ? `Web 游戏环境预检未通过（${code}）：${safeDetail}；尚未开始生成。`
+      : `Web 游戏环境预检未通过（${code}）；尚未开始生成。`;
+  }
+  return safeDetail
+    ? `${HOME_WEB_PREFLIGHT_IPC_FAILURE}（${safeDetail}）`
+    : HOME_WEB_PREFLIGHT_IPC_FAILURE;
 }
 
 function isHostPreflightError(value: unknown): boolean {
diff --git a/apps/ai-game-creator-shell/tests/homeWebPreflight.test.tsx b/apps/ai-game-creator-shell/tests/homeWebPreflight.test.tsx
index 99325fff0..171e0b567 100644
--- a/apps/ai-game-creator-shell/tests/homeWebPreflight.test.tsx
+++ b/apps/ai-game-creator-shell/tests/homeWebPreflight.test.tsx
@@ -101,7 +101,7 @@ it('distinguishes an IPC failure from a host preflight failure', async () => {
       'direct-build',
     );
   });
-  expect(status).toBe(HOME_WEB_PREFLIGHT_IPC_FAILURE);
+  expect(status).toBe(`${HOME_WEB_PREFLIGHT_IPC_FAILURE}（Failed to fetch）`);
   expect(calls).toEqual([
     'preflight_web_game_creation',
     'preflight_web_game_creation',