feat: 添加确保渲染完成的函数并优化加载背景移除逻辑

src/@core/utils/dom.ts

@@ -10,8 +10,7 @@ export function useDefer(maxFrameCount = 1) {
   const refreshFrameCount = () => {
     requestAnimationFrame(() => {
       frameCount.value++
-      if (frameCount.value < maxFrameCount)
-        refreshFrameCount()
+      if (frameCount.value < maxFrameCount) refreshFrameCount()
     })
   }
   refreshFrameCount()
@@ -19,3 +18,9 @@ export function useDefer(maxFrameCount = 1) {
     return frameCount.value >= showInFrameCount
   }
 }
+
+export function ensureRenderComplete(callback: () => void) {
+  requestAnimationFrame(() => {
+    requestAnimationFrame(callback)
+  })
+}

src/App.vue

@@ -1,6 +1,7 @@
 <script lang="ts" setup>
 import { useTheme } from 'vuetify'
 import { checkPrefersColorSchemeIsDark } from '@/@core/utils'
+import { ensureRenderComplete, removeEl } from './@core/utils/dom'
 
 const { global: globalTheme } = useTheme()
 
@@ -45,6 +46,12 @@ if (window.Apex) {
 onBeforeMount(async () => {
   setTheme()
 })
+
+onMounted(() => {
+  ensureRenderComplete(() => {
+    nextTick(() => removeEl('#loading-bg'))
+  });
+})
 </script>
 
 <template>

src/main.ts

@@ -17,7 +17,6 @@ import { PerfectScrollbarPlugin } from 'vue3-perfect-scrollbar'
 import { CronVuetify } from '@vue-js-cron/vuetify'
 
 // 4. 工具函数和其他辅助模块
-import { removeEl } from './@core/utils/dom'
 import { fetchGlobalSettings } from './api'
 import { isPWA } from './@core/utils/navigator'
 
@@ -114,5 +113,4 @@ initializeApp().then(() => {
       },
     })
     .mount('#app')
-    .$nextTick(() => removeEl('#loading-bg'))
 })