diff --git a/.github/workflows/build.yml.bak b/.github/workflows/build.yml.bak
deleted file mode 100644
index db62832a..00000000
--- a/.github/workflows/build.yml.bak
+++ /dev/null
@@ -1,143 +0,0 @@
-name: Build
-
-on:
-  push:
-    branches: [main]
-    tags:
-      - "*"
-    paths-ignore:
-      - "**.md"
-      - "**.spec.js"
-      - ".idea"
-      - ".vscode"
-      - ".dockerignore"
-      - "Dockerfile"
-      - ".gitignore"
-      - ".github/**"
-      - "!.github/workflows/build.yml"
-      - "!.github/workflows/test.yml"
-  pull_request:
-    branches: [main]
-    paths-ignore:
-      - "**.md"
-      - "**.spec.js"
-      - ".idea"
-      - ".vscode"
-      - ".dockerignore"
-      - "Dockerfile"
-      - ".gitignore"
-      - ".github/**"
-      - "!.github/workflows/build.yml"
-
-permissions:
-  contents: write
-
-jobs:
-  test:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v6
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v6
-        with:
-          node-version: 20
-
-      - name: Install dependencies
-        run: npm install
-
-      - name: Run tests
-        run: npm run test
-
-      - name: Run lint
-        run: npm run lint
-
-  build:
-    needs: test
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.docker_image }}
-
-    strategy:
-      matrix:
-        os: [ubuntu-latest]
-        package: [deb, rpm]
-        architecture: [x64, arm64]
-        include:
-          - package: deb
-            docker_image: "debian:12"
-          - package: rpm
-            docker_image: "almalinux:8"
-
-    steps:
-      - name: Install Build Dependencies
-        if: matrix.package == 'deb'
-        run: |
-          apt-get update
-          apt-get install -y curl git wget devscripts fakeroot equivs lintian python3
-          apt-get install -y build-essential
-
-      - name: Install Build Dependencies
-        if: matrix.package == 'rpm'
-        run: |
-          dnf install -y curl git wget rpm-build rpmdevtools rpmlint python3
-          dnf group install -y "Development Tools"
-
-      - name: Checkout Code
-        uses: actions/checkout@v6
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v6
-        with:
-          node-version: 20
-
-      - name: Install Dependencies
-        run: |
-          npm install
-
-      - name: Download host-spawn
-        shell: bash
-        run: |
-          if [ "${{ matrix.architecture }}" == "x64" ]; then
-            curl -fsSL -o ./extras/host-spawn https://github.com/1player/host-spawn/releases/latest/download/host-spawn-x86_64
-          elif [ "${{ matrix.architecture }}" == "arm64" ]; then
-            curl -fsSL -o ./extras/host-spawn https://github.com/1player/host-spawn/releases/latest/download/host-spawn-aarch64
-          fi
-          chmod +x ./extras/host-spawn
-
-      - name: Build Release Files
-        shell: bash
-        run: |
-          if [ "${{ matrix.package }}" == "deb" ]; then
-            npm run build:deb -- --${{ matrix.architecture }}
-          elif [ "${{ matrix.package }}" == "rpm" ]; then
-            npm run build:rpm -- --${{ matrix.architecture }}
-          fi
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Upload Artifact
-        uses: actions/upload-artifact@v6
-        with:
-          name: release_for_${{ matrix.package }}_${{ matrix.architecture }}
-          path: release/**/*.${{ matrix.package }}
-          retention-days: 5
-
-  release:
-    needs: build
-    runs-on: ubuntu-latest
-    if: startsWith(github.ref, 'refs/tags/')
-    steps:
-      - name: Download all artifacts
-        uses: actions/download-artifact@v7
-        with:
-          path: artifacts
-
-      - name: Upload to GitHub Release
-        uses: softprops/action-gh-release@v2
-        with:
-          tag_name: ${{ github.ref_name }}
-          files: |
-            artifacts/**/*.deb
-            artifacts/**/*.rpm
-          generate_release_notes: true
diff --git a/.github/workflows/test.yml.bak b/.github/workflows/test.yml.bak
deleted file mode 100644
index e80198f5..00000000
--- a/.github/workflows/test.yml.bak
+++ /dev/null
@@ -1,83 +0,0 @@
-name: Test
-
-on:
-  push:
-    branches: [main, develop]
-  pull_request:
-    branches: [main, develop]
-
-jobs:
-  unit-tests:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v6
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v6
-        with:
-          node-version: 20
-
-      - name: Install dependencies
-        run: npm install
-
-      - name: Run unit tests
-        run: npm run test -- --coverage
-
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
-        with:
-          files: ./coverage/lcov.info
-          flags: unittests
-          name: codecov-umbrella
-
-  e2e-tests:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v6
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v6
-        with:
-          node-version: 20
-
-      - name: Install dependencies
-        run: npm install
-
-      - name: Install Playwright Browsers
-        run: npx playwright install --with-deps chromium
-
-      - name: Run E2E tests
-        run: xvfb-run npm run test:e2e
-
-      - name: Upload test results
-        if: always()
-        uses: actions/upload-artifact@v6
-        with:
-          name: playwright-report
-          path: playwright-report/
-          retention-days: 30
-
-  lint:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v6
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v6
-        with:
-          node-version: 20
-
-      - name: Install dependencies
-        run: npm install
-
-      - name: Run ESLint
-        run: npm run lint
-
-      - name: Check formatting
-        run: npm run format -- --check
diff --git a/debian/changelog b/debian/changelog
index 6cdce229..b58e9000 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,4 +1,4 @@
-spark-store (5.2.0~alpha1) UNRELEASED; urgency=medium
+spark-store (5.2.0) UNRELEASED; urgency=medium
 
   * Initial release. (Closes: #nnnn)  <nnnn is the bug number of your ITP>
 
diff --git a/src/App.vue b/src/App.vue
index 02fc5bd2..d4eceabe 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -101,7 +101,7 @@
           <template v-else>
             <AppGrid
               :apps="filteredApps"
-              :loading="loading"
+              :loading="effectiveLoading"
               :scroll-key="activeTab + '-' + selectedCategory"
               :store-filter="storeFilter"
               :show-origin="storeFilter === 'both' && !isHomeListTab"
@@ -449,6 +449,8 @@ const tabCategories: Ref<Record<string, Record<string, CategoryInfo>>> = ref(
   {},
 );
 const tabApps: Ref<Record<string, App[]>> = ref({});
+// 正在加载中的入口 ID 集合，用于显示骨架屏并防止重复加载
+const loadingTabs = ref<Set<string>>(new Set());
 // 首页推荐列表入口对应的各来源 jsonUrl：{ [entryId]: { spark?, apm? } }
 const homeListUrls = ref<Record<string, { spark?: string; apm?: string }>>({});
 const activeTab = ref("home");
@@ -568,6 +570,16 @@ const displayApps = computed(() => {
   return tabApps.value[activeTab.value] || [];
 });
 
+// 当前的加载状态：全局加载中，或当前入口正在加载中
+const effectiveLoading = computed(
+  () =>
+    loading.value ||
+    (activeTab.value !== "home" &&
+      activeTab.value !== "all" &&
+      loadingTabs.value.has(activeTab.value) &&
+      !tabApps.value[activeTab.value]),
+);
+
 const filteredApps = computed(() => {
   let result = [...displayApps.value];
 
@@ -1183,10 +1195,15 @@ const loadHomeListEntries = async () => {
 // 加载首页推荐列表的应用数据（复用首页逻辑，合并展示 spark+apm）
 const loadHomeListApps = async (entryId: string) => {
   if (tabApps.value[entryId]) return;
+  // 防止重复加载：如果正在加载中则跳过
+  if (loadingTabs.value.has(entryId)) return;
 
   const urls = homeListUrls.value[entryId];
   if (!urls) return;
 
+  // 标记为加载中
+  loadingTabs.value = new Set(loadingTabs.value).add(entryId);
+
   const arch = window.apm_store.arch || "amd64";
   const loadedApps: App[] = [];
 
@@ -1246,6 +1263,12 @@ const loadHomeListApps = async (entryId: string) => {
   );
 
   tabApps.value = { ...tabApps.value, [entryId]: loadedApps };
+
+  // 移除加载标记
+  const next = new Set(loadingTabs.value);
+  next.delete(entryId);
+  loadingTabs.value = next;
+
   logger.info(`首页列表 "${entryId}" 加载完成，共 ${loadedApps.length} 个应用`);
 };
 
@@ -2576,10 +2599,15 @@ const loadTabCategories = async () => {
 
 const loadTabApps = async (entryId: string) => {
   if (tabApps.value[entryId]) return;
+  // 防止重复加载：如果正在加载中则跳过
+  if (loadingTabs.value.has(entryId)) return;
 
   const entry = sidebarEntries.value.find((e) => e.id === entryId);
   if (!entry || entry.type !== "category") return;
 
+  // 标记为加载中
+  loadingTabs.value = new Set(loadingTabs.value).add(entryId);
+
   const arch = window.apm_store.arch || "amd64";
   const modes: Array<"spark" | "apm"> =
     storeFilter.value === "both" ? ["spark", "apm"] : [storeFilter.value];
@@ -2640,6 +2668,12 @@ const loadTabApps = async (entryId: string) => {
   const loadedApps = results.flat();
 
   tabApps.value = { ...tabApps.value, [entryId]: loadedApps };
+
+  // 移除加载标记
+  const next = new Set(loadingTabs.value);
+  next.delete(entryId);
+  loadingTabs.value = next;
+
   logger.info(`入口 "${entryId}" 加载完成，共 ${loadedApps.length} 个应用`);
 };