fix(account): ignore stale downloaded history

src/App.vue

@@ -419,6 +419,7 @@ const favoriteRequestGeneration = ref(0);
 const downloadedApps = ref<DownloadedAppRecord[]>([]);
 const downloadedLoading = ref(false);
 const downloadedError = ref("");
+const downloadedRequestGeneration = ref(0);
 const systemInfo = ref<SystemInfo>({ distro: "unknown" });
 type PendingDownloadRecord = Omit<
   DownloadedAppRecord,
@@ -1411,6 +1412,7 @@ const clearFavoriteState = () => {
 };
 
 const clearDownloadedState = () => {
+  downloadedRequestGeneration.value += 1;
   downloadedApps.value = [];
   downloadedLoading.value = false;
   downloadedError.value = "";
@@ -1419,6 +1421,13 @@ const clearDownloadedState = () => {
 const isCurrentFavoriteRequest = (generation: number): boolean =>
   favoriteRequestGeneration.value === generation && isLoggedIn.value;
 
+const isCurrentDownloadedRequest = (
+  generation: number,
+  userId: number,
+): boolean =>
+  downloadedRequestGeneration.value === generation &&
+  currentUser.value?.id === userId;
+
 const handleLogout = () => {
   logout();
   pendingDownloadRecords.clear();
@@ -1455,18 +1464,25 @@ const handleFlarumLogin = async (payload: FlarumLoginPayload) => {
 
 const loadDownloadedHistory = async (): Promise<void> => {
   if (!requireLogin("请登录后查看和管理账号信息。")) return;
+  const userId = currentUser.value?.id;
+  if (userId === undefined) return;
+  const generation = downloadedRequestGeneration.value;
 
   downloadedLoading.value = true;
   downloadedError.value = "";
   try {
     const result = await listDownloadedApps(1, 50);
+    if (!isCurrentDownloadedRequest(generation, userId)) return;
     downloadedApps.value = result.items;
   } catch (error: unknown) {
+    if (!isCurrentDownloadedRequest(generation, userId)) return;
     downloadedApps.value = [];
     downloadedError.value = (error as Error)?.message || "读取下载历史失败";
   } finally {
+    if (isCurrentDownloadedRequest(generation, userId)) {
       downloadedLoading.value = false;
     }
+  }
 };
 
 const syncInstalledAppsNow = () => {

src/__tests__/unit/App.account-placeholders.test.ts

@@ -2,9 +2,13 @@ import { fireEvent, render, screen, waitFor } from "@testing-library/vue";
 import { beforeEach, describe, expect, it, vi } from "vitest";
 
 import App from "@/App.vue";
-import { listFavoriteFolders } from "@/modules/backendApi";
+import { listDownloadedApps, listFavoriteFolders } from "@/modules/backendApi";
 import { setAuthSession } from "@/global/authState";
-import type { FavoriteFolder, FavoriteItem } from "@/global/typedefinition";
+import type {
+  DownloadedAppList,
+  FavoriteFolder,
+  FavoriteItem,
+} from "@/global/typedefinition";
 
 const invoke = vi.fn();
 
@@ -39,6 +43,31 @@ const createDeferred = <T>() => {
   return { promise, resolve };
 };
 
+const downloadedList = (
+  items: DownloadedAppList["items"],
+): DownloadedAppList => ({
+  items,
+  total: items.length,
+  page: 1,
+  pageSize: 50,
+});
+
+const setSecondUserSession = () => {
+  setAuthSession({
+    accessToken: "backend-token-b",
+    tokenType: "bearer",
+    user: {
+      id: 2,
+      flarumUserId: "84",
+      username: "second",
+      displayName: "Second User",
+      avatarUrl: "https://bbs.spark-app.store/avatar-b.png",
+      forumLevel: "用户",
+      forumGroups: ["用户"],
+    },
+  });
+};
+
 vi.mock("axios", () => {
   const get = vi.fn(async (url: string) => {
     if (url.includes("categories.json")) {
@@ -109,6 +138,7 @@ vi.mock("@/modules/backendApi", () => ({
   bulkDeleteFavoriteItems: vi.fn(),
   createFavoriteFolder: vi.fn(),
   exchangeFlarumToken: vi.fn(),
+  listDownloadedApps: vi.fn(async () => downloadedList([])),
   listFavoriteFolders: vi.fn(async () => favoriteFolders),
   listFavoriteItems: vi.fn(async () => favoriteItems),
   setBackendToken: vi.fn(),
@@ -351,4 +381,60 @@ describe("App account placeholders", () => {
     expect(screen.queryByText("旧账号收藏夹")).toBeNull();
     expect(screen.queryByRole("dialog", { name: "选择收藏夹" })).toBeNull();
   });
+
+  it("ignores downloaded history that resolves after switching users", async () => {
+    const firstHistory = createDeferred<DownloadedAppList>();
+    const secondHistory = createDeferred<DownloadedAppList>();
+    vi.mocked(listDownloadedApps)
+      .mockReturnValueOnce(firstHistory.promise)
+      .mockReturnValueOnce(secondHistory.promise);
+    render(App);
+
+    await fireEvent.click(await screen.findByRole("button", { name: /Momen/ }));
+    await fireEvent.click(screen.getByText("用户管理"));
+    expect(await screen.findByText("正在加载下载历史...")).toBeTruthy();
+
+    await fireEvent.click(
+      await screen.findByRole("button", { name: /^Momen$/ }),
+    );
+    if (!screen.queryByText("退出登录")) {
+      await fireEvent.click(
+        await screen.findByRole("button", { name: /^Momen$/ }),
+      );
+    }
+    await fireEvent.click(screen.getByText("退出登录"));
+    setSecondUserSession();
+
+    const secondUserButton = await screen.findByRole("button", {
+      name: /^Second User$/,
+    });
+    if (!screen.queryByText("用户管理")) {
+      await fireEvent.click(secondUserButton);
+    }
+    await fireEvent.click(await screen.findByText("用户管理"));
+    secondHistory.resolve(downloadedList([]));
+    expect(await screen.findByText("暂无下载记录。")).toBeTruthy();
+
+    firstHistory.resolve(
+      downloadedList([
+        {
+          id: 77,
+          appKey: "app:office:old-account-app",
+          pkgname: "old-account-app",
+          name: "旧账号应用",
+          category: "office",
+          selectedOrigin: "apm",
+          version: "1.0.0",
+          packageArch: "amd64",
+          downloadedAt: "2026-05-18T00:00:00Z",
+        },
+      ]),
+    );
+    await firstHistory.promise;
+    await Promise.resolve();
+    await Promise.resolve();
+
+    expect(screen.queryByText("旧账号应用")).toBeNull();
+    expect(screen.getByText("暂无下载记录。")).toBeTruthy();
+  });
 });