diff --git a/index.html b/index.html
index 40a417ff..0321b870 100644
--- a/index.html
+++ b/index.html
@@ -121,6 +121,12 @@
       overscroll-behavior: contain;
     }
 
+    html[data-launch-loading="true"] .footer-nav-container {
+      opacity: 0 !important;
+      pointer-events: none !important;
+      visibility: hidden !important;
+    }
+
     #loading-bg {
       position: fixed;
       inset: 0;
diff --git a/src/App.vue b/src/App.vue
index 4168de46..405b3c46 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -12,6 +12,8 @@ import { addBackgroundTimer, removeBackgroundTimer } from '@/utils/backgroundMan
 import PWAInstallPrompt from '@/components/PWAInstallPrompt.vue'
 import SharedDialogHost from '@/components/dialog/SharedDialogHost.vue'
 import { applyStoredThemeCustomizerAppearance } from '@/composables/useThemeCustomizer'
+import { completeLaunchLoading } from '@/composables/useLaunchLoading'
+import { usePWA } from '@/composables/usePWA'
 import { themeManager } from '@/utils/themeManager'
 import { applyDocumentThemeChrome, resolveThemeName } from '@/utils/themePalette'
 import { configureApexChartsTheme } from '@/utils/apexCharts'
@@ -45,6 +47,7 @@ setI18nLanguage(localeValue as SupportedLocale)
 const authStore = useAuthStore()
 const isLogin = computed(() => authStore.token)
 const route = useRoute()
+const { initializePWA } = usePWA()
 
 // 全局设置store
 const globalSettingsStore = useGlobalSettingsStore()
@@ -245,19 +248,25 @@ function scheduleAuthenticatedStateInitialization() {
 }
 
 // 添加logo动画效果并延迟移除加载界面
-function animateAndRemoveLoader() {
+async function animateAndRemoveLoader() {
   const loadingBg = document.querySelector('#loading-bg') as HTMLElement
   if (loadingBg) {
     // 只收掉启动内容，背景层保持实色直到节点被移除，避免底部 safe area 先透出页面内容。
     loadingBg.classList.add('loading-complete')
-    window.setTimeout(() => {
-      removeEl('#loading-bg')
+    await new Promise<void>(resolve => {
+      window.setTimeout(() => {
+        removeEl('#loading-bg')
 
-      // 启动阶段的根节点锁定只在 loader 存在时生效，移除后恢复正常页面与弹窗布局。
-      document.documentElement.removeAttribute('data-launch-loading')
-      document.documentElement.style.removeProperty('overflow')
-      document.body.style.removeProperty('overflow')
-    }, 120)
+        // 启动阶段的根节点锁定只在 loader 存在时生效，移除后恢复正常页面与弹窗布局。
+        document.documentElement.removeAttribute('data-launch-loading')
+        document.documentElement.style.removeProperty('overflow')
+        document.body.style.removeProperty('overflow')
+        completeLaunchLoading()
+        resolve()
+      }, 120)
+    })
+  } else {
+    completeLaunchLoading()
   }
 }
 
@@ -274,13 +283,15 @@ async function removeLoadingWithStateCheck() {
     }
     globalLoadingStateManager.setLoadingState('pwa-state', false)
 
+    // PWA/App 模式会影响布局和底部导航，必须在启动屏退场前稳定下来。
+    await initializePWA()
     await initializeAuthenticatedState()
 
     // 等待所有加载完成
     await globalLoadingStateManager.waitForAllComplete()
 
     // 移除加载界面
-    animateAndRemoveLoader()
+    await animateAndRemoveLoader()
 
     // 检查未读消息
     if (isLogin.value) {
@@ -289,7 +300,7 @@ async function removeLoadingWithStateCheck() {
   } catch (error) {
     // 即使出错也要移除加载界面
     globalLoadingStateManager.reset()
-    animateAndRemoveLoader()
+    await animateAndRemoveLoader()
   }
 }
 
diff --git a/src/composables/useLaunchLoading.ts b/src/composables/useLaunchLoading.ts
new file mode 100644
index 00000000..38353633
--- /dev/null
+++ b/src/composables/useLaunchLoading.ts
@@ -0,0 +1,20 @@
+import { readonly, ref } from 'vue'
+
+function detectInitialLaunchLoading() {
+  if (typeof document === 'undefined') return true
+
+  return document.documentElement.getAttribute('data-launch-loading') === 'true' || Boolean(document.getElementById('loading-bg'))
+}
+
+// 启动屏的全局状态，供 Teleport 到 body 的组件避开 iOS PWA 启动阶段的固定层闪烁。
+const isLaunchLoading = ref(detectInitialLaunchLoading())
+
+export function completeLaunchLoading() {
+  isLaunchLoading.value = false
+}
+
+export function useLaunchLoading() {
+  return {
+    isLaunchLoading: readonly(isLaunchLoading),
+  }
+}
diff --git a/src/layouts/components/Footer.vue b/src/layouts/components/Footer.vue
index bec59e7d..9a364cef 100644
--- a/src/layouts/components/Footer.vue
+++ b/src/layouts/components/Footer.vue
@@ -5,11 +5,12 @@ import { NavMenu } from '@/@layouts/types'
 import { useI18n } from 'vue-i18n'
 import { useUserStore } from '@/stores'
 import { buildUserPermissionContext, filterItemsByPermission, filterMenusByPermission, hasItemPermission } from '@/utils/permission'
+import { useLaunchLoading } from '@/composables/useLaunchLoading'
 import { usePWA } from '@/composables/usePWA'
 import type { DynamicButtonMenuItem } from '@/composables/useDynamicButton'
 
 // 是否显示的输入参数
-defineProps({
+const props = defineProps({
   showNav: {
     type: Boolean,
     default: true,
@@ -19,6 +20,7 @@ defineProps({
 const display = useDisplay()
 // PWA模式检测
 const { appMode } = usePWA()
+const { isLaunchLoading } = useLaunchLoading()
 const { t, locale } = useI18n()
 
 // 判断当前是否为英文环境
@@ -175,6 +177,8 @@ const visibleDynamicButtonMenuItems = computed(() => {
 })
 
 const hasDynamicButtonMenu = computed(() => visibleDynamicButtonMenuItems.value.length > 0)
+const shouldRenderFooterNav = computed(() => appMode.value && props.showNav)
+const shouldRevealFooterNav = computed(() => shouldRenderFooterNav.value && !isLaunchLoading.value)
 
 const legacyDynamicMenuTitleKeyMap: Record<string, string> = {
   'components.subscribeHistory.title': 'dialog.subscribeHistory.title',
@@ -212,8 +216,8 @@ function handleDynamicMenuItemClick(item: DynamicButtonMenuItem) {
 </script>
 
 <template>
-  <Teleport v-if="appMode && showNav" to="body">
-    <div class="footer-nav-container">
+  <Teleport v-if="shouldRenderFooterNav" to="body">
+    <div v-show="shouldRevealFooterNav" class="footer-nav-container">
       <TransitionGroup name="footer-nav" tag="div" class="footer-nav-group">
         <VCard key="main-nav" elevation="3" class="footer-nav-card border" rounded="pill">
           <VCardText class="footer-card-content">