From 44fa82214601d5aaf42103f188ad5ff3b5b2a59d Mon Sep 17 00:00:00 2001
From: xiyidaiwa <g17729830615@163.com>
Date: Mon, 10 Aug 2026 23:57:23 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E6=8E=92=E8=A1=8C=E6=A6=9C=E6=97=A5?=
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- ranking.ts: topByUpdate 改用时戳数字比较，兼容后端不一致的日期格式
  (如 2026-08-10 / 2026/08/10 / 带时分秒)，无效日期兜底为 0 避免 NaN 乱序
- App.vue: fetchDownloadCount 的 fetch 加 rootAbortController.signal，
  组件卸载时可取消未完成请求，避免内存泄漏

(注: 这两个真实缺陷由 PR 审查在错误 diff 下点名，本提交独立于 Erotica PR)
---
 src/App.vue            | 1 +
 src/modules/ranking.ts | 9 ++++++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/App.vue b/src/App.vue
index 362142b7..771da690 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1311,6 +1311,7 @@ const fetchDownloadCount = async (app: App): Promise<number> => {
   try {
     const resp = await fetch(
       `${APM_STORE_BASE_URL}/${finalArch}/${app.category}/${app.pkgname}/download-times.txt`,
+      { signal: rootAbortController.signal },
     );
     if (!resp.ok) return 0;
     const text = (await resp.text()).trim();
diff --git a/src/modules/ranking.ts b/src/modules/ranking.ts
index aa71db47..197bee53 100644
--- a/src/modules/ranking.ts
+++ b/src/modules/ranking.ts
@@ -70,9 +70,16 @@ export function topByUpdate(
   origin: AppOrigin,
   topN: number = TOP_N,
 ): App[] {
+  // 按 update 字段倒序；后端日期格式可能不严格一致（如 2026-08-10 / 2026/08/10 /
+  // 带时分秒），用时间戳数字比较比 localeCompare 字符串比较更鲁棒。
+  // 无效日期 getTime() 为 NaN，统一按 0 处理，避免 NaN 参与比较导致乱序。
+  const toTime = (s: string | undefined): number => {
+    const t = new Date(s || "").getTime();
+    return Number.isFinite(t) ? t : 0;
+  };
   return apps
     .filter((a) => a.origin === origin && a.update)
-    .sort((a, b) => (b.update || "").localeCompare(a.update || ""))
+    .sort((a, b) => toTime(b.update) - toTime(a.update))
     .slice(0, topN);
 }