diff --git a/apps/ai-game-creator-shell/src/view/ui-editor/useUiEditorPage.ts b/apps/ai-game-creator-shell/src/view/ui-editor/useUiEditorPage.ts
index b5be54122..060174f3f 100644
--- a/apps/ai-game-creator-shell/src/view/ui-editor/useUiEditorPage.ts
+++ b/apps/ai-game-creator-shell/src/view/ui-editor/useUiEditorPage.ts
@@ -1557,8 +1557,8 @@ export function useUiEditorSession(
         }
       });
     } catch (cause) {
-      const message = '保存失败，请稍后重试。';
-      setSaveError('保存失败，请稍后重试。');
+      const message = cause instanceof Error ? cause.message : String(cause);
+      setSaveError(message);
       return { status: 'failed' as const, phase: 'save' as const, message };
     } finally {
       setIsGenerating(false);