diff --git a/apps/ai-game-creator-shell/src/view/project-development/export/state/useTaonierExport.ts b/apps/ai-game-creator-shell/src/view/project-development/export/state/useTaonierExport.ts
index 350463b1c..b27c7f41b 100644
--- a/apps/ai-game-creator-shell/src/view/project-development/export/state/useTaonierExport.ts
+++ b/apps/ai-game-creator-shell/src/view/project-development/export/state/useTaonierExport.ts
@@ -769,6 +769,9 @@ export function useTaonierExport({
     if (!projectPath) return false;
     const invoke = resolveTauriInvoke();
     if (!invoke) return false;
+    // 显式重新构建要能重新弹出失败：清掉上一次「已忽略」的指纹，否则同一条确定性失败
+    // （如固定路径的 artifactMissing）会被 visibleFailure 一直滤掉。
+    setDismissedFailure('');
     setFailure(null);
     try {
       await runTaonierExportBuild(invoke, projectPath);