diff --git a/frontend/src/pages/schedules/FireHistory.tsx b/frontend/src/pages/schedules/FireHistory.tsx
index 1c8546d7..cb4a83c8 100644
--- a/frontend/src/pages/schedules/FireHistory.tsx
+++ b/frontend/src/pages/schedules/FireHistory.tsx
@@ -161,7 +161,6 @@ function CompareLink({ runId, compare }: { runId: string; compare: ScheduleFireC
       state={via}
       title={T.compareTitle(compare.summary, previous ? null : shortId(compare.base_run_id))}
       data-fire-compare={compare.base_run_id}
-      data-fire-compare-previous={previous ? '1' : '0'}
       className="inline-flex shrink-0 items-center gap-1 rounded-sm text-2xs text-dim outline-none hover:text-fg hover:underline focus-visible:ring-2 focus-visible:ring-[var(--accent)]"
     >
       <GitCompareArrows size={11} aria-hidden />
diff --git a/scripts/check-compare.mjs b/scripts/check-compare.mjs
index c00a9177..f41e06ea 100644
--- a/scripts/check-compare.mjs
+++ b/scripts/check-compare.mjs
@@ -1071,7 +1071,7 @@ await section('不属于已保存工作流的运行：对比页的说明前后
   try {
     // 只带本次：服务端找不到基准（这种运行没有可比的）
     const lone = await open(comparePath(T), { base: () => ({ status: 404, json: {
-      detail: '没有找到可以对比的上一次运行：需要同一工作流、同一运行类别（定时任务发起的优先找同一定时任务）、更早结束并已封存的运行',
+      detail: '没有找到可以对比的上一次成功的运行：需要同一工作流、同一运行类别（定时任务发起的优先找同一定时任务）、比这次先发起、成功结束并已封存的运行',
       code: 'compare_no_base' } }) })
     await settled(lone.page, 'error')
     await until(async () => (await lone.page.locator('[data-compare-run="base"]').innerText()).includes('未保存或已删除'), 3000)