diff --git a/src/App.vue b/src/App.vue
index 771da690..6b3da917 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1467,13 +1467,15 @@ const loadHomeListEntries = async () => {
       { name: string; urls: { spark?: string; apm?: string } }
     >();
 
-    for (const mode of modes) {
-      const finalArch = mode === "spark" ? `${arch}-store` : `${arch}-apm`;
-      const base = `${APM_STORE_BASE_URL}/${finalArch}/home`;
-
-      try {
-        const res = await fetch(`${base}/homelist.json`);
-        if (res.ok) {
+    // 并发拉取各来源的 homelist.json（spark/apm），缩短首页入口加载耗时；
+    // 各来源独立解析后合并到局部 byName，不逐个触发响应式更新。
+    await Promise.all(
+      modes.map(async (mode) => {
+        const finalArch = mode === "spark" ? `${arch}-store` : `${arch}-apm`;
+        const base = `${APM_STORE_BASE_URL}/${finalArch}/home`;
+        try {
+          const res = await fetch(`${base}/homelist.json`);
+          if (!res.ok) return;
           const lists = await res.json();
           lists.forEach(
             (item: { name?: string; type?: string; jsonUrl?: string }) => {
@@ -1494,11 +1496,11 @@ const loadHomeListEntries = async () => {
               }
             },
           );
+        } catch (e) {
+          console.warn(`Failed to load ${mode} homelist.json`, e);
         }
-      } catch (e) {
-        console.warn(`Failed to load ${mode} homelist.json`, e);
-      }
-    }
+      }),
+    );
 
     const entries: SidebarEntry[] = [];
     const urlsMap: Record<string, { spark?: string; apm?: string }> = {};
@@ -3486,6 +3488,8 @@ onMounted(async () => {
 onUnmounted(() => {
   rootAbortController.abort();
   updateCenterStore.unbind();
+  // 清理窗口尺寸防抖定时器，防止组件销毁后仍触发 IPC 保存调用
+  if (saveBoundsTimer) clearTimeout(saveBoundsTimer);
   // 停止仍挂起的"等待 loading 完成后执行一次"的 watcher，避免泄漏
   for (const stop of pendingWatchers.splice(0)) stop();
   // 移除 window / document 监听
diff --git a/src/components/AppDetailModal.vue b/src/components/AppDetailModal.vue
index 0c457b4a..5a011c21 100644
--- a/src/components/AppDetailModal.vue
+++ b/src/components/AppDetailModal.vue
@@ -783,8 +783,10 @@ const installBtnText = computed(() => {
 const iconPath = computed(() => {
   if (!displayApp.value) return "";
   const arch = window.apm_store.arch || "amd64";
+  // 切换来源标签时（viewingOrigin）需动态重算架构路径，确保图标/资源跟随当前查看来源，
+  // 而非固定使用合并应用原始 origin，避免切换源时图标与数据错位。
   const finalArch =
-    displayApp.value.origin === "spark" ? `${arch}-store` : `${arch}-apm`;
+    viewingOrigin.value === "spark" ? `${arch}-store` : `${arch}-apm`;
   return `${APM_STORE_BASE_URL}/${finalArch}/${displayApp.value.category}/${displayApp.value.pkgname}/icon.png`;
 });
 
diff --git a/src/components/InstalledAppsModal.vue b/src/components/InstalledAppsModal.vue
index e16ca2eb..93e62559 100644
--- a/src/components/InstalledAppsModal.vue
+++ b/src/components/InstalledAppsModal.vue
@@ -450,11 +450,22 @@ const hasOrigin = (app: App, origin: "spark" | "apm"): boolean =>
   app.origins?.includes(origin) ?? app.origin === origin;
 
 // APM / Spark 分别统计实际安装的包数量（同一 pkgname 同时装两种来源时各计一次）
+// 搜索过滤后的全量（不叠加来源筛选），用于顶部统计徽章实时同步搜索结果，
+// 避免搜索时列表缩减而徽章数字仍显示全量造成误导。
+const searchFilteredApps = computed(() => {
+  const q = searchQuery.value.trim().toLowerCase();
+  if (!q) return props.apps;
+  return props.apps.filter(
+    (a) =>
+      a.name.toLowerCase().includes(q) || a.pkgname.toLowerCase().includes(q),
+  );
+});
+
 const apmCount = computed(
-  () => props.apps.filter((a) => hasOrigin(a, "apm")).length,
+  () => searchFilteredApps.value.filter((a) => hasOrigin(a, "apm")).length,
 );
 const sparkCount = computed(
-  () => props.apps.filter((a) => hasOrigin(a, "spark")).length,
+  () => searchFilteredApps.value.filter((a) => hasOrigin(a, "spark")).length,
 );
 // 总数 = APM 包数 + Spark 包数（不同来源视为不同包，单独计数）
 const totalCount = computed(() => apmCount.value + sparkCount.value);