diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
index 314b0aa5..e115a7ee 100644
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -22,26 +22,18 @@
 
 <!-- 这个 PR 做了什么、为什么这么做（动机 + 主要变更），尽量描述清楚 -->
 
-
-
 ## 关联 Issue
 
 <!-- 如有关联，填 #编号；写 "Closes #编号" 可在合并时自动关闭对应 Issue -->
 
-
-
 ## 测试情况
 
 <!-- 如何验证这些改动？手动复现步骤、覆盖到的平台（Windows / macOS / Linux）等 -->
 
-
-
 ## 截图 / 录屏
 
 <!-- 涉及 UI 改动请附上；无则可删除本节 -->
 
-
-
 ## 自查清单
 
 - [ ] 本 PR 只包含**一个主要功能 / 修复**，没有夹带无关改动
diff --git a/electron/main/core/index.ts b/electron/main/core/index.ts
index 753adc01..b11e498b 100644
--- a/electron/main/core/index.ts
+++ b/electron/main/core/index.ts
@@ -44,6 +44,12 @@ const configureMemoryOptimizations = (): void => {
 const MEMORY_LOG_INTERVAL_MS = 10 * 60 * 1000;
 /** 启动后首次采样延迟，避开启动期波动 */
 const MEMORY_LOG_FIRST_DELAY_MS = 60 * 1000;
+/** 启动后自动更新延迟，避免抢占首屏资源 */
+const UPDATER_INIT_DELAY_MS = 2 * 60 * 1000;
+/** 主窗口完成加载后恢复歌词辅助窗口，避免任务栏嵌入阻塞首屏 */
+const LYRIC_WINDOWS_RESTORE_DELAY_MS = 1000;
+/** 主窗口加载后再初始化系统媒体控制 */
+const MEDIA_INIT_DELAY_MS = 500;
 
 /** 记录各进程内存工作集，用于量化内存表现与防劣化对比 */
 const logProcessMemory = (): void => {
@@ -107,7 +113,11 @@ export const initApp = (): void => {
     // 注册 IPC
     registerIpcHandlers();
     // 创建主窗口
-    createMainWindow();
+    const mainWin = createMainWindow();
+    mainWin.webContents.once("did-finish-load", () => {
+      setTimeout(() => initMedia(), MEDIA_INIT_DELAY_MS);
+      setTimeout(() => restoreLyricWindows(), LYRIC_WINDOWS_RESTORE_DELAY_MS);
+    });
     // 注册 orpheus 协议并处理冷启动唤起
     initOrpheusRegistration();
     const coldOrpheusUrl = extractOrpheusUrl(process.argv);
@@ -118,21 +128,17 @@ export const initApp = (): void => {
     void initSongCache();
     // 启动下载服务
     void initDownload();
-    initMedia();
     // 初始化 Last.fm 集成
     initLastfm();
     // 初始化插件系统
     pluginRegistry.init();
     // 初始化播放事件桥（需在 pluginRegistry.init 之后，读 hasEnabledControlPlugin）
     initPlaybackBridge();
-    // 恢复歌词相关窗口
-    restoreLyricWindows();
     // 注册全局快捷键
     initGlobalHotkey();
     // 启动外部 API 服务
     void startServer();
-    // 初始化自动更新
-    initUpdater();
+    setTimeout(initUpdater, UPDATER_INIT_DELAY_MS);
     // 周期记录各进程内存
     setTimeout(logProcessMemory, MEMORY_LOG_FIRST_DELAY_MS);
     setInterval(logProcessMemory, MEMORY_LOG_INTERVAL_MS);
diff --git a/electron/main/window/main.ts b/electron/main/window/main.ts
index 4cfeb395..e9e05fa6 100644
--- a/electron/main/window/main.ts
+++ b/electron/main/window/main.ts
@@ -9,6 +9,7 @@ import { store } from "@main/store";
 import { handleCacheProtocolOnPartition } from "@main/utils/protocol";
 import { isAppQuitting } from "@main/utils/lifecycle";
 import { broadcast } from "@main/utils/broadcast";
+import { coreLog } from "@main/utils/logger";
 
 /** 主窗口 session */
 const MAIN_PARTITION = "persist:main";
@@ -26,6 +27,7 @@ let mainWindow: BrowserWindow | null = null;
  * 创建主窗口
  */
 export const createMainWindow = (): BrowserWindow => {
+  const createdAt = Date.now();
   const remember = store.get("system.rememberWindowState") ?? true;
   const saved = remember ? store.get("windowStates.main") : undefined;
 
@@ -51,14 +53,21 @@ export const createMainWindow = (): BrowserWindow => {
   // 初始化托盘
   initTray();
 
-  // 自定义任务栏缩略图
-  enableTaskbarThumbnail(mainWindow);
-
   // 缩略图工具栏
   mainWindow.webContents.once("did-finish-load", () => {
+    coreLog.info(`主窗口 did-finish-load，用时 ${Date.now() - createdAt}ms`);
+    enableTaskbarThumbnail(mainWindow!);
     initThumbar(mainWindow!);
   });
 
+  mainWindow.webContents.once("dom-ready", () => {
+    coreLog.info(`主窗口 dom-ready，用时 ${Date.now() - createdAt}ms`);
+  });
+
+  mainWindow.webContents.once("did-fail-load", (_event, errorCode, errorDescription) => {
+    coreLog.warn(`主窗口加载失败 ${errorCode}: ${errorDescription}`);
+  });
+
   // 每次加载完成应用界面缩放
   mainWindow.webContents.on("did-finish-load", () => {
     applyMainWindowZoom();
diff --git a/scripts/build-native.ts b/scripts/build-native.ts
index 8e19a769..dd3956a8 100644
--- a/scripts/build-native.ts
+++ b/scripts/build-native.ts
@@ -1,4 +1,5 @@
 import { spawnSync } from "node:child_process";
+import { join } from "node:path";
 import process from "node:process";
 
 interface NativeModule {
@@ -80,6 +81,9 @@ const parseArgs = () => {
 
 const napiArgs = ["--no-const-enum"];
 const options = parseArgs();
+const buildType = options.isDev ? "debug" : "release";
+const projectRoot = process.cwd();
+const napiCliPath = join(projectRoot, "node_modules", "@napi-rs", "cli", "dist", "cli.js");
 
 if (!options.isDev) napiArgs.push("--release");
 if (options.passing) napiArgs.push(...options.passing);
@@ -90,12 +94,11 @@ for (const mod of modules) {
   }
   const cwd = `native/${mod.name}`;
 
-  const buildType = options.isDev ? "debug" : "release";
   console.log(`[BuildNative] 构建 ${mod.name} (${buildType})`);
 
-  const result = spawnSync("napi", ["build", ...napiArgs], {
+  const result = spawnSync(process.execPath, [napiCliPath, "build", ...napiArgs], {
     stdio: "inherit",
-    shell: process.platform === "win32",
+    shell: false,
     cwd,
   });
 
diff --git a/src/core/player/index.ts b/src/core/player/index.ts
index 993902d8..734cbabc 100644
--- a/src/core/player/index.ts
+++ b/src/core/player/index.ts
@@ -805,22 +805,31 @@ export const moveInQueue = (fromIndex: number, toIndex: number): void => {
 let unsubscribe: (() => void) | null = null;
 let initialized = false;
 
+const logInitStep = (startedAt: number, step: string): void => {
+  console.info(`[player] init ${step} ${Math.round(performance.now() - startedAt)}ms`);
+};
+
 /** 初始化播放器 */
 export const initPlayer = async (): Promise<void> => {
   if (initialized) return;
   initialized = true;
-  console.log("[player] init");
+  const startedAt = performance.now();
+  console.info("[player] init");
   // 先从主进程同步后端配置，确保 system 设置可用
   const settings = useSettingsStore();
   await settings.syncSystem();
+  logInitStep(startedAt, "settings synced");
   // 流媒体 store 必须在恢复队列前就绪，否则队列里的 streaming track 拿不到 cfg
   await useStreamingStore().init();
+  logInitStep(startedAt, "streaming initialized");
   // 插件 store 同理：在线歌曲 URL 兜底走插件，列表必须在 loadTrack 前就绪
   void usePluginsStore().load();
   await queue.restoreQueue();
+  logInitStep(startedAt, "queue restored");
   const status = useStatusStore();
   // 恢复上次的音量和播放模式到主进程
   await window.api.player.setVolume(status.volume);
+  logInitStep(startedAt, "player backend ready");
   syncPlayMode();
   // 应用渐入渐出配置
   const { fadeEnabled, fadeDuration, loudnessNormalization, equalizer } = settings.system.player;
@@ -835,6 +844,7 @@ export const initPlayer = async (): Promise<void> => {
   }
   // 刷新设备列表并恢复上次选择的输出设备
   await refreshDevices();
+  logInitStep(startedAt, "devices refreshed");
   if (settings.player.outputDevice) {
     await window.api.player.setOutputDevice(settings.player.outputDevice);
   }
@@ -883,6 +893,7 @@ export const initPlayer = async (): Promise<void> => {
   } else {
     status.state = "idle";
   }
+  logInitStep(startedAt, "done");
 };
 
 /** 清理事件订阅 */
diff --git a/src/layouts/MainLayout.vue b/src/layouts/MainLayout.vue
index ff8f275c..be375def 100644
--- a/src/layouts/MainLayout.vue
+++ b/src/layouts/MainLayout.vue
@@ -4,6 +4,17 @@ import { useMediaStore } from "@/stores/media";
 import { useSettingsStore } from "@/stores/settings";
 import { useOrpheusProtocol } from "@/composables/useOrpheusProtocol";
 
+const PlayerBar = defineAsyncComponent(() => import("@/components/player/PlayerBar.vue"));
+const FullPlayer = defineAsyncComponent(() => import("@/components/player/FullPlayer/index.vue"));
+const SettingsDialog = defineAsyncComponent(
+  () => import("@/components/settings/SettingsDialog.vue"),
+);
+const UpdateDialog = defineAsyncComponent(() => import("@/components/modals/UpdateDialog.vue"));
+const SPerformanceMonitor = defineAsyncComponent(
+  () => import("@/components/SPerformanceMonitor.vue"),
+);
+const SDialogProvider = defineAsyncComponent(() => import("@/components/ui/SDialogProvider.vue"));
+
 const route = useRoute();
 const status = useStatusStore();
 const settings = useSettingsStore();
diff --git a/src/main.ts b/src/main.ts
index 6ef9d405..a81eb367 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -13,6 +13,11 @@ import { initPlayer } from "./core/player";
 import { installHotkeyManager } from "./core/hotkey/manager";
 import { vRipple } from "./directives/ripple";
 
+const bootStart = performance.now();
+const logBoot = (stage: string): void => {
+  console.info(`[boot] ${stage} ${Math.round(performance.now() - bootStart)}ms`);
+};
+
 const pinia = createPinia();
 pinia.use(piniaPersistedstate);
 
@@ -40,8 +45,10 @@ const SPLASH_ANIM_MS = 2050;
 
 // 初始化程序
 router.isReady().then(() => {
+  logBoot("router ready");
   // 挂载应用
   app.mount("#app");
+  logBoot("app mounted");
   // 笔画播完即淡出
   const remaining = Math.max(0, SPLASH_ANIM_MS - performance.now());
   setTimeout(() => {
@@ -50,9 +57,12 @@ router.isReady().then(() => {
       loading.classList.add("hidden");
       loading.addEventListener("transitionend", () => loading.remove(), { once: true });
     }
+    logBoot("splash hidden");
   }, remaining);
   // 初始化播放器
-  initPlayer().catch(console.error);
+  initPlayer()
+    .then(() => logBoot("player ready"))
+    .catch(console.error);
   // 初始化快捷键
   useHotkeyStore()
     .init()
diff --git a/src/stores/streaming.ts b/src/stores/streaming.ts
index 713f531c..8a3b4a71 100644
--- a/src/stores/streaming.ts
+++ b/src/stores/streaming.ts
@@ -52,6 +52,8 @@ export const useStreamingStore = defineStore("streaming", () => {
   const playlists = shallowRef<Playlist[]>([]);
   /** 缓存最后更新时间（ms） */
   const lastFetchedAt = ref(0);
+  /** 是否已加载服务器配置 */
+  const initialized = ref(false);
   /** 是否已从 IndexedDB 完成首次水合 */
   const hydrated = ref(false);
 
@@ -568,14 +570,15 @@ export const useStreamingStore = defineStore("streaming", () => {
   };
 
   const init = async (): Promise<void> => {
-    if (hydrated.value) return;
+    if (initialized.value) return;
+    initialized.value = true;
     const result = await window.api.streaming.loadServers();
     servers.value = result.servers;
     activeServerId.value = result.activeServerId;
     if (activeServerId.value && !servers.value.find((s) => s.id === activeServerId.value)) {
       activeServerId.value = null;
     }
-    await hydrateFromCache();
+    void hydrateFromCache();
     if (activeServerId.value) void connectToServer(activeServerId.value);
   };
 
diff --git a/src/stores/update.ts b/src/stores/update.ts
index 28c75fa5..90445361 100644
--- a/src/stores/update.ts
+++ b/src/stores/update.ts
@@ -4,6 +4,9 @@ import i18n from "@/i18n";
 
 const { t } = i18n.global;
 
+/** 启动后自动检查更新延迟，避免抢占首屏加载 */
+const AUTO_CHECK_DELAY_MS = 2 * 60 * 1000;
+
 export const useUpdateStore = defineStore("update", () => {
   /** 当前阶段 */
   const phase = ref<UpdatePhase>("idle");
@@ -56,8 +59,10 @@ export const useUpdateStore = defineStore("update", () => {
   // 订阅主进程推送的更新事件
   const unsubscribe = window.api.update.onEvent(handleEvent);
   onScopeDispose(unsubscribe);
-  // 触发启动检查
-  void window.api.update.check(false);
+  const autoCheckTimer = window.setTimeout(() => {
+    void window.api.update.check(false);
+  }, AUTO_CHECK_DELAY_MS);
+  onScopeDispose(() => window.clearTimeout(autoCheckTimer));
 
   /** 手动检查更新 */
   const checkManually = (): void => {