fix: 修复 before-quit 中 mainWindow 未定义报错，并优化排行榜加载

- electron/main/index.ts: flushSaveBounds 改用模块级 win 变量，
  修复关闭应用时 mainWindow is not defined 的 ReferenceError
- src/App.vue: loadRanking 并发数降至 15；loadHome 多来源请求并行化
- src/modules/ranking.ts: parseContributors 增强异常格式边界处理

electron/main/index.ts

@@ -361,6 +361,16 @@ function saveWindowState(state: WindowState): void {
 }
 
 let saveBoundsTimer: NodeJS.Timeout | null = null;
+function flushSaveBounds(): void {
+  if (saveBoundsTimer) {
+    clearTimeout(saveBoundsTimer);
+    saveBoundsTimer = null;
+  }
+  if (win && !win.isDestroyed()) {
+    const { width, height, x, y } = win.getBounds();
+    saveWindowState({ width, height, x, y, maximized: win.isMaximized() });
+  }
+}
 function scheduleSaveBounds(winInstance: BrowserWindow): void {
   if (saveBoundsTimer) clearTimeout(saveBoundsTimer);
   saveBoundsTimer = setTimeout(() => {
@@ -376,6 +386,11 @@ function scheduleSaveBounds(winInstance: BrowserWindow): void {
   }, 400);
 }
 
+// 应用退出前立即持久化（防抖 400ms 可能在快速关闭时丢失最后一次状态）
+app.on("before-quit", () => {
+  flushSaveBounds();
+});
+
 async function createWindow() {
   const saved = loadWindowState();
   // 恢复时：若上次窗口过大（>1600x900，通常为全屏/最大化），回退到默认尺寸并居中，

src/App.vue

@@ -1316,7 +1316,7 @@ const loadRanking = async () => {
   const gen = ++rankingGeneration;
   rankingLoading.value = true;
   const all = apps.value.slice();
-  const CONCURRENCY = 64;
+  const CONCURRENCY = 15;
   const results: App[] = [];
   for (let i = 0; i < all.length; i += CONCURRENCY) {
     if (gen !== rankingGeneration) {
@@ -1359,17 +1359,30 @@ const loadHome = async () => {
     // 按名称去重，spark 优先：同名链接 spark 覆盖 apm
     const seenNames = new Set<string>();
 
-    for (const mode of modes) {
+    // 并行请求各来源的 homelinks.json，缩短首页加载耗时
+    const modeResults = await Promise.all(
+      modes.map(async (mode) => {
         const finalArch = mode === "spark" ? `${arch}-store` : `${arch}-apm`;
         const base = `${APM_STORE_BASE_URL}/${finalArch}/home`;
-
-      // homelinks.json
         try {
           const res = await fetch(`${base}/homelinks.json`);
-        if (res.ok) {
-          const raw = await res.json();
+          if (res.ok) return { mode, raw: (await res.json()) as unknown };
+        } catch (e) {
+          console.warn(`Failed to load ${mode} homelinks.json`, e);
+        }
+        return { mode, raw: undefined };
+      }),
+    );
+
+    for (const { mode, raw } of modeResults) {
+      if (!raw) continue;
       // 校验 links 为数组，且每项均为对象（避免后端返回异常结构导致运行时错误）
-          const links = Array.isArray(raw) ? (raw.filter((x) => x && typeof x === "object") as Record<string, unknown>[]) : [];
+      const links = Array.isArray(raw)
+        ? (raw.filter((x) => x && typeof x === "object") as Record<
+            string,
+            unknown
+          >[])
+        : [];
       for (const l of links) {
         const name = (l.Name as string) || (l.name as string) || "";
         if (!name) continue; // 跳过空名称，避免空字符串污染 seenNames 与去重逻辑
@@ -1393,10 +1406,6 @@ const loadHome = async () => {
         homeLinks.value.push(safeLink);
       }
     }
-      } catch (e) {
-        console.warn(`Failed to load ${mode} homelinks.json`, e);
-      }
-    }
   } catch (error: unknown) {
     homeError.value = (error as Error)?.message || "加载首页失败";
   } finally {

src/modules/ranking.ts

@@ -24,13 +24,14 @@ export interface ContributorRank {
  * 聚合与展示统一去除 `<...>` 取显示名。
  */
 export function parseContributors(raw: string | undefined): string[] {
-  if (!raw) return [];
+  if (!raw || typeof raw !== "string") return [];
   const names: string[] = [];
   for (const part of raw.split(/[;；]/)) {
     const trimmed = part.trim();
     if (!trimmed) continue;
+    // 去除 <...> 包裹的邮箱，取显示名；长度 1~50 过滤空字符串/异常超长
     const name = trimmed.replace(/<[^>]*>/g, "").trim();
-    if (name) names.push(name);
+    if (name.length > 0 && name.length <= 50) names.push(name);
   }
   return names;
 }