更新页面效果,但是会卡顿

2026-08-01 12:36:58 +08:00
parent 7964b78225
commit bf8d6f5b0c
7 changed files with 264 additions and 37 deletions
--- a/hunliji-api/main.go
+++ b/hunliji-api/main.go
@@ -283,6 +283,47 @@ func saveOSSUpload(c *gin.Context, fileHeader *multipart.FileHeader, config Uplo
 	return true
 }

+func collectAlbumImages(configData string) []string {
+	var raw map[string]interface{}
+	if err := json.Unmarshal([]byte(configData), &raw); err != nil {
+		return []string{}
+	}
+
+	seen := map[string]bool{}
+	images := []string{}
+	add := func(value interface{}) {
+		src, ok := value.(string)
+		if !ok {
+			return
+		}
+		src = strings.TrimSpace(src)
+		if src == "" || seen[src] {
+			return
+		}
+		seen[src] = true
+		images = append(images, src)
+	}
+
+	add(raw["heroImg"])
+	add(raw["endImg"])
+	if pages, ok := raw["photoPages"].([]interface{}); ok {
+		for _, item := range pages {
+			page, ok := item.(map[string]interface{})
+			if !ok {
+				continue
+			}
+			add(page["img1"])
+			add(page["img2"])
+			if pageImages, ok := page["images"].([]interface{}); ok {
+				for _, src := range pageImages {
+					add(src)
+				}
+			}
+		}
+	}
+	return images
+}
+
 func main() {
 	initDB()
 	r := gin.Default()
@@ -320,6 +361,15 @@ func main() {
 			c.JSON(200, gin.H{"code": 200, "data": config.ConfigData})
 		})

+		api.GET("/album", func(c *gin.Context) {
+			var config TemplateConfig
+			if err := db.First(&config, 1).Error; err != nil {
+				c.JSON(200, gin.H{"code": 200, "data": []string{}})
+				return
+			}
+			c.JSON(200, gin.H{"code": 200, "data": collectAlbumImages(config.ConfigData)})
+		})
+
 		api.POST("/config", func(c *gin.Context) {
 			if !requireAdmin(c) {
 				return
--- a/vite-tailwindcss/dist
+++ b/vite-tailwindcss/dist
--- a/vite-tailwindcss/dist.zip
+++ b/vite-tailwindcss/dist.zip
--- a/vite-tailwindcss/src/api/wedding.js
+++ b/vite-tailwindcss/src/api/wedding.js
@@ -46,6 +46,10 @@ export function getConfig() {
  return service.get('/config')
 }

+export function getAlbumImages() {
+  return service.get('/album')
+}
+
 export function saveConfig(payload) {
  return service.post('/config', payload)
 }
--- a/vite-tailwindcss/src/components/CanvasEffects.vue
+++ b/vite-tailwindcss/src/components/CanvasEffects.vue
@@ -8,6 +8,8 @@ import { onMounted, onUnmounted, watch, ref } from 'vue'
 const props = defineProps({
  petalEnabled: { type: Boolean, default: true },
  bubbleEnabled: { type: Boolean, default: true },
+  active: { type: Boolean, default: true },
+  performanceMode: { type: Boolean, default: false },
 })

 const canvasRef = ref(null)
@@ -22,6 +24,7 @@ let width = 0
 let height = 0
 let dpr = 1
 let lastTime = 0
+let lastPaint = 0
 let resizeObserver = null
 let reduceMotion = false

@@ -52,14 +55,16 @@ function resetHeart(h, initial = false) {
 }

 function seedParticles() {
+  const petalCount = props.performanceMode ? 8 : 18
+  const heartCount = props.performanceMode ? 5 : 12
  petals.length = 0
  hearts.length = 0
-  for (let i = 0; i < 18; i += 1) {
+  for (let i = 0; i < petalCount; i += 1) {
    const p = {}
    resetPetal(p, true)
    petals.push(p)
  }
-  for (let i = 0; i < 12; i += 1) {
+  for (let i = 0; i < heartCount; i += 1) {
    const h = {}
    resetHeart(h, true)
    hearts.push(h)
@@ -72,7 +77,7 @@ function resize() {
  const rect = canvas.getBoundingClientRect()
  width = Math.max(1, rect.width)
  height = Math.max(1, rect.height)
-  dpr = Math.min(window.devicePixelRatio || 1, 2)
+  dpr = props.performanceMode ? 1 : Math.min(window.devicePixelRatio || 1, 1.5)
  canvas.width = Math.round(width * dpr)
  canvas.height = Math.round(height * dpr)
  ctx = canvas.getContext('2d')
@@ -119,11 +124,24 @@ function drawHeart(h, now) {

 function tick(now) {
  if (!ctx) return
+  if (!props.active || reduceMotion || (!props.petalEnabled && !props.bubbleEnabled)) {
+    ctx.clearRect(0, 0, width, height)
+    rafId = 0
+    return
+  }
+
+  const frameInterval = props.performanceMode ? 50 : 16.7
+  if (lastPaint && now - lastPaint < frameInterval) {
+    rafId = requestAnimationFrame(tick)
+    return
+  }
+
  const delta = Math.min(48, now - (lastTime || now)) / 1000
  lastTime = now
+  lastPaint = now
  ctx.clearRect(0, 0, width, height)

-  if (!reduceMotion && props.petalEnabled) {
+  if (props.petalEnabled) {
    for (const p of petals) {
      p.y += p.speed * delta
      p.rotation += p.rotationSpeed * delta
@@ -132,7 +150,7 @@ function tick(now) {
    }
  }

-  if (!reduceMotion && props.bubbleEnabled) {
+  if (props.bubbleEnabled) {
    for (const h of hearts) {
      h.y -= h.speed * delta
      if (h.y < -80) resetHeart(h)
@@ -146,6 +164,12 @@ function tick(now) {
 function start() {
  cancelAnimationFrame(rafId)
  lastTime = 0
+  lastPaint = 0
+  if (!props.active || reduceMotion || (!props.petalEnabled && !props.bubbleEnabled)) {
+    ctx?.clearRect(0, 0, width, height)
+    rafId = 0
+    return
+  }
  rafId = requestAnimationFrame(tick)
 }

@@ -157,7 +181,13 @@ onMounted(() => {
  start()
 })

-watch(() => [props.petalEnabled, props.bubbleEnabled], start)
+watch(
+  () => [props.petalEnabled, props.bubbleEnabled, props.active, props.performanceMode],
+  () => {
+    resize()
+    start()
+  }
+)

 onUnmounted(() => {
  cancelAnimationFrame(rafId)
@@ -173,5 +203,7 @@ onUnmounted(() => {
  width: 100%;
  height: 100vh;
  pointer-events: none;
+  contain: strict;
+  transform: translateZ(0);
 }
 </style>
--- a/vite-tailwindcss/src/components/PhotoGallery.vue
+++ b/vite-tailwindcss/src/components/PhotoGallery.vue
@@ -10,18 +10,18 @@
    <!-- 单图（默认居中卡幅 / 可配置宽度铺满） -->
    <div v-if="page.type === 'single'" v-reveal="{ variant: 'scale', delay: 100 }"
         class="w-full mx-auto mt-6" :class="singleWrapClass" :style="singleWrapStyle">
-      <div :class="singleFrameClass"><img :src="page.img1" /></div>
+      <div :class="singleFrameClass"><img :src="page.img1" class="preview-img" @click.stop="previewImage(page.img1)" @load="notifyLayoutChange" /></div>
    </div>

    <!-- 错落双图（交错拼贴：左上大图 + 右下压角叠放，微旋转；clamp 封顶不溢出） -->
    <div v-else-if="page.type === 'overlap'" class="overlap-wrap relative w-full mt-2">
      <div v-reveal="{ variant: 'left', delay: 100 }"
           class="absolute left-0 top-0 w-[72%] h-[78%] z-10 -rotate-2" :class="frameClass">
-        <img :src="page.img1" />
+        <img :src="page.img1" class="preview-img" @click.stop="previewImage(page.img1)" @load="notifyLayoutChange" />
      </div>
      <div v-reveal="{ variant: 'right', delay: 300 }"
           class="absolute right-0 bottom-0 w-[56%] h-[62%] z-20 rotate-3" :class="frameClass">
-        <img :src="page.img2" />
+        <img :src="page.img2" class="preview-img" @click.stop="previewImage(page.img2)" @load="notifyLayoutChange" />
      </div>
    </div>

@@ -29,10 +29,10 @@
    <div v-else-if="page.type === 'one-large-five-small'"
         class="relative w-full aspect-square mt-6 grid grid-cols-3 grid-rows-3 gap-1.5 z-20">
      <div v-reveal="{ variant: 'scale', delay: 100 }" class="col-span-2 row-span-2 relative" :class="frameClass">
-        <img :src="page.images[0]" class="hover:scale-105 transition-transform duration-1000" />
+        <img :src="page.images[0]" class="preview-img hover:scale-105 transition-transform duration-1000" @click.stop="previewImage(page.images[0])" @load="notifyLayoutChange" />
      </div>
      <div v-for="i in [1,2,3,4,5]" :key="i" v-reveal="{ variant: 'up', delay: i * 80 }" class="relative" :class="frameClass">
-        <img :src="page.images[i]" />
+        <img :src="page.images[i]" class="preview-img" @click.stop="previewImage(page.images[i])" @load="notifyLayoutChange" />
      </div>
    </div>

@@ -42,7 +42,7 @@
      <div v-for="(img, imgIdx) in page.images" :key="imgIdx"
           v-reveal="getRevealConfig(imgIdx)"
           class="aspect-square relative" :class="frameClass">
-        <img :src="img" class="nine-grid-img" />
+        <img :src="img" class="nine-grid-img preview-img" @click.stop="previewImage(img)" @load="notifyLayoutChange" />
      </div>
    </div>

@@ -50,7 +50,7 @@
    <div v-else-if="page.type === 'masonry'" class="g-masonry mt-6 px-1">
      <div v-for="(img, imgIdx) in page.images" :key="imgIdx" v-reveal="{ variant: 'up', delay: imgIdx * 50 }"
           class="g-masonry-item" :class="frameClass">
-        <img :src="img" />
+        <img :src="img" class="preview-img" @click.stop="previewImage(img)" @load="notifyLayoutChange" />
      </div>
    </div>

@@ -58,7 +58,7 @@
    <div v-else-if="page.type === 'carousel'" class="relative mt-6">
      <div ref="trackRef" class="g-carousel-track no-scrollbar" @scroll="onScroll">
        <div v-for="(img, imgIdx) in page.images" :key="imgIdx" class="g-carousel-slide" :class="frameClass">
-          <img :src="img" />
+          <img :src="img" class="preview-img" @click.stop="previewImage(img)" @load="notifyLayoutChange" />
        </div>
      </div>
      <button class="g-arrow g-prev" @click="goTo(index - 1)" aria-label="上一张">‹</button>
@@ -73,7 +73,7 @@
    <div v-else-if="page.type === 'polaroid'" class="g-polaroid mt-6">
      <div v-for="(img, imgIdx) in page.images" :key="imgIdx" v-reveal="{ variant: 'scale', delay: imgIdx * 70 }"
           class="g-polaroid-item" :style="{ transform: polaroidTransform(imgIdx) }">
-        <img :src="img" />
+        <img :src="img" class="preview-img" @click.stop="previewImage(img)" @load="notifyLayoutChange" />
      </div>
    </div>

@@ -89,6 +89,7 @@ import { borderClass } from '@/composables/borderStyles'
 const props = defineProps({
  page: { type: Object, required: true },
 })
+const emit = defineEmits(['preview-image', 'layout-change'])

 // 边框样式：前台按 page.borderStyle 套用全局 gf-* 类
 const frameClass = computed(() => borderClass(props.page.borderStyle))
@@ -130,6 +131,14 @@ function onScroll() {
  if (i !== index.value) index.value = i
 }

+function previewImage(src) {
+  if (src) emit('preview-image', src)
+}
+
+function notifyLayoutChange() {
+  emit('layout-change')
+}
+
 /* ---------- 拍立得旋转/位移 ---------- */
 const polaroidAngles = [-5, 4, -3, 6, -4, 3, -2, 5]
 const polaroidShift = [0, 10, -8, 6, -10, 8, 4, -6]
@@ -163,13 +172,14 @@ function getRevealConfig(imgIdx) {
  // 左右列
  return {
    variant: col === 0 ? 'left' : 'right',
-    delay: 80 + ((imgIdx +80) * 12) ,
+    delay: 80 + ((imgIdx +80) * 20) ,
  }
 }
 </script>

 <style scoped>
 .gallery { width: 100%; font-family: var(--font-sans); }
+.preview-img { cursor: zoom-in; }
 .gallery-title {
  font-family: var(--font-calligraphy);
  font-weight: 700;
--- a/vite-tailwindcss/src/views/index/index.vue
+++ b/vite-tailwindcss/src/views/index/index.vue
@@ -30,10 +30,15 @@
    <!-- 背景柔光层（淡金/淡粉光斑，缓慢漂移） -->
    <div class="bg-glow" aria-hidden="true"><i class="g1"></i><i class="g2"></i><i class="g3"></i></div>

-    <CanvasEffects :petal-enabled="data.petalEnabled" :bubble-enabled="data.bubbleEnabled" />
+    <CanvasEffects
+      :petal-enabled="data.petalEnabled"
+      :bubble-enabled="data.bubbleEnabled"
+      :active="effectsActive"
+      :performance-mode="effectsPerformanceMode"
+    />

    <!-- 顶部滚动进度条 -->
-    <div class="absolute top-0 left-0 h-[2px] bg-[#a88c6b] z-[55] transition-[width] duration-150" :style="{ width: progress * 100 + '%' }"></div>
+    <div ref="progressBarRef" class="absolute top-0 left-0 w-full h-[2px] bg-[#a88c6b] z-[55] origin-left transform-gpu scale-x-0"></div>

    <!-- 右上角控制台 -->
    <div class="absolute top-6 right-5 z-50 flex flex-col items-end gap-4">
@@ -115,7 +120,8 @@
          <div class="formal-copy flex justify-center gap-9 h-[22rem] text-[#3A3A3A]">
            <span class="vertical-text formal-main calligraphy-strong">{{ data.formalText1 }}</span>
            <span class="vertical-text formal-main formal-main-offset calligraphy-strong">{{ data.formalText2 }}</span>
-            <span class="vertical-text formal-side calligraphy ml-4 border-l-[0.5px] border-[#a88c6b]/30 pl-6 h-64 mt-8 tracking-[0.28em]">诚挚邀请您见证我们的幸福</span>
+            <span class="vertical-text formal-side calligraphy ml-4 border-l-[0.5px] border-[#a88c6b]/30 pl-6 h-64 mt-8 tracking-[0.28em]">见证我们的幸福</span>
+            <span class="vertical-text formal-side calligraphy ml-4 h-64 mt-8 tracking-[0.28em]">诚挚邀请您</span>
          </div>
        </div>
      </div>
@@ -126,7 +132,7 @@
        <div class="absolute top-0 left-0 w-24 h-24 border-l-[0.5px] border-t-[0.5px] border-[#a88c6b]/30 m-6 pointer-events-none z-0"></div>
        <div class="absolute bottom-0 right-0 w-24 h-24 border-r-[0.5px] border-b-[0.5px] border-[#a88c6b]/30 m-6 pointer-events-none z-0"></div>
        <div class="w-full h-full flex flex-col justify-center py-6 relative z-10">
-          <PhotoGallery :page="page" />
+          <PhotoGallery :page="page" @preview-image="openImagePreview" @layout-change="scheduleScrollMetricsUpdate" />
        </div>
      </div>

@@ -294,12 +300,18 @@
      </div>
    </div>

+    <a-image-preview-group :preview="albumPreviewOptions">
+      <div class="album-preview-registry" aria-hidden="true">
+        <a-image v-for="(src, idx) in albumPreviewImages" :key="`${src}-${idx}`" :src="src" />
+      </div>
+    </a-image-preview-group>
+
  </div>
 </template>

 <script setup>
-import { ref, reactive, computed, onMounted, onUnmounted, watch } from 'vue'
-import { getConfig, submitRsvp } from '@/api/wedding'
+import { ref, reactive, computed, nextTick, onMounted, onUnmounted, watch } from 'vue'
+import { getAlbumImages, getConfig, submitRsvp } from '@/api/wedding'
 import { useAudio } from '@/composables/useAudio'
 import CanvasEffects from '@/components/CanvasEffects.vue'
 import PhotoGallery from '@/components/PhotoGallery.vue'
@@ -319,13 +331,17 @@ const data = ref({"date": "2026年9月4日 星期五", "bride": "李逸烁", "gr

 const audio = useAudio()
 const isAutoScroll = ref(true), isDrawerOpen = ref(false), isSubmitted = ref(false)
-const isInteracting = ref(false), scrollContainerRef = ref(null), progress = ref(0)
+const isInteracting = ref(false), scrollContainerRef = ref(null), progressBarRef = ref(null), progress = ref(0)
 const showIntro = ref(false), introOpening = ref(false), showTrackList = ref(false), showMapOptions = ref(false)
+const previewVisible = ref(false), previewIndex = ref(0), albumLoaded = ref(false)
+const albumPreviewImages = ref([])
+const maxScrollTop = ref(0)
 const rsvpForm = reactive({ name: '', guest_count: '1', wishes: '' })
 const rsvpOptions = [ { value: '1', label: '1 人出席' }, { value: '2', label: '2 人出席' }, { value: '3', label: '3 人及以上' }, { value: '0', label: '遗憾缺席' } ]

-let rafId = null, snapTimer = null, pauseTimer = null, introTimer = null, freeTimer = null, animId = null, scrollStartTimer = null, bottomReturnTimer = null
+let rafId = null, snapTimer = null, pauseTimer = null, introTimer = null, freeTimer = null, animId = null, scrollStartTimer = null, bottomReturnTimer = null, metricsRaf = null
 let freeScrollLastTs = 0
+let freeScrollCarry = 0
 const BOTTOM_RETURN_DELAY = 30000
 const FREE_SCROLL_BASE_STEP = 1.2

@@ -394,12 +410,104 @@ const sectionHeightStyle = (height) => {
 const formalPageHeightStyle = computed(() => sectionHeightStyle(data.value.formalPageHeight))
 const pageHeightStyle = (page) => sectionHeightStyle(page.height)

+const normalizeImages = (images = []) => {
+  const seen = new Set()
+  return images
+    .filter((src) => typeof src === 'string' && src.trim())
+    .map((src) => src.trim())
+    .filter((src) => {
+      if (seen.has(src)) return false
+      seen.add(src)
+      return true
+    })
+}
+
+const localAlbumImages = () => {
+  const images = [data.value.heroImg, data.value.endImg]
+  ;(data.value.photoPages || []).forEach((page) => {
+    images.push(page.img1, page.img2)
+    if (Array.isArray(page.images)) images.push(...page.images)
+  })
+  return normalizeImages(images)
+}
+
+const loadAlbumPreviewImages = async () => {
+  if (albumLoaded.value && albumPreviewImages.value.length) return
+  const fallback = localAlbumImages()
+  try {
+    const res = await getAlbumImages()
+    albumPreviewImages.value = normalizeImages([...(res.data || []), ...fallback])
+  } catch (e) {
+    albumPreviewImages.value = fallback
+  }
+  albumLoaded.value = true
+}
+
+const handlePreviewVisibleChange = (visible) => {
+  previewVisible.value = visible
+  if (visible) {
+    clearBottomReturn()
+    cancelAnimationFrame(animId)
+    return
+  }
+  freeScrollLastTs = 0
+  freeScrollCarry = 0
+  if (isAutoScroll.value && isAtBottom()) scheduleBottomReturn(true)
+}
+
+const albumPreviewOptions = computed(() => ({
+  visible: previewVisible.value,
+  current: previewIndex.value,
+  onVisibleChange: handlePreviewVisibleChange,
+}))
+
+const openImagePreview = async (src) => {
+  if (!src) return
+  await loadAlbumPreviewImages()
+  let images = albumPreviewImages.value.length ? albumPreviewImages.value : [src]
+  let index = images.indexOf(src)
+  if (index < 0) {
+    images = [src, ...images]
+    albumPreviewImages.value = images
+    index = 0
+  }
+  previewIndex.value = index
+  previewVisible.value = true
+  freeScrollCarry = 0
+  clearBottomReturn()
+  cancelAnimationFrame(animId)
+}
+
+const isAutoScrollBlocked = () =>
+  isInteracting.value || isDrawerOpen.value || previewVisible.value || showMapOptions.value || showIntro.value
+
+const effectsActive = computed(() => !isDrawerOpen.value && !previewVisible.value && !showMapOptions.value && !showIntro.value)
+const effectsPerformanceMode = computed(() => data.value.scrollMode === 'free' && isAutoScroll.value)
+
+const updateScrollMetrics = () => {
+  const el = scrollContainerRef.value
+  if (!el) return 0
+  const max = Math.max(0, el.scrollHeight - el.clientHeight)
+  maxScrollTop.value = max
+  return max
+}
+
+const scheduleScrollMetricsUpdate = () => {
+  cancelAnimationFrame(metricsRaf)
+  metricsRaf = requestAnimationFrame(() => {
+    metricsRaf = null
+    updateScrollMetrics()
+    handleScroll()
+  })
+}
+
 const closeDrawer = () => { isDrawerOpen.value = false }
 const handleScroll = () => {
  const el = scrollContainerRef.value
  if (!el) return
-  const max = el.scrollHeight - el.clientHeight
-  progress.value = max > 0 ? el.scrollTop / max : 0
+  const max = maxScrollTop.value || updateScrollMetrics()
+  progress.value = max > 0 ? Math.min(1, el.scrollTop / max) : 0
+  if (progressBarRef.value) progressBarRef.value.style.transform = `scaleX(${progress.value})`
  if (isAtBottom()) scheduleBottomReturn()
  else clearBottomReturn()
 }
@@ -417,7 +525,9 @@ const sectionEls = () => Array.from(scrollContainerRef.value?.querySelectorAll('

 const isAtBottom = () => {
  const el = scrollContainerRef.value
-  return !!el && el.scrollHeight - el.clientHeight - el.scrollTop <= 8
+  if (!el) return false
+  const max = maxScrollTop.value || updateScrollMetrics()
+  return max - el.scrollTop <= 8
 }

 const clearBottomReturn = () => {
@@ -427,12 +537,12 @@ const clearBottomReturn = () => {

 const scheduleBottomReturn = (reset = false) => {
  const el = scrollContainerRef.value
-  if (!el || !isAtBottom() || !isAutoScroll.value) return
+  if (!el || !isAtBottom() || !isAutoScroll.value || isAutoScrollBlocked()) return
  if (bottomReturnTimer && !reset) return
  clearBottomReturn()
  bottomReturnTimer = setTimeout(() => {
    bottomReturnTimer = null
-    if (!isAtBottom() || !isAutoScroll.value || isDrawerOpen.value) return
+    if (!isAtBottom() || !isAutoScroll.value || isAutoScrollBlocked()) return
    if (isInteracting.value) {
      scheduleBottomReturn(true)
      return
@@ -478,21 +588,31 @@ const startAutoScroll = () => {
  cancelAnimationFrame(rafId)
  rafId = null
  if (data.value.scrollMode === 'snap') {
-    if (isAutoScroll.value && !isInteracting.value && !isDrawerOpen.value) goNextSection()
+    if (isAutoScroll.value && !isAutoScrollBlocked()) goNextSection()
    snapTimer = setInterval(() => {
-      if (isAutoScroll.value && !isInteracting.value && !isDrawerOpen.value) goNextSection()
+      if (isAutoScroll.value && !isAutoScrollBlocked()) goNextSection()
    }, 4500)
  } else {
    freeScrollLastTs = 0
+    freeScrollCarry = 0
    const tickFreeScroll = (now) => {
-      const dt = freeScrollLastTs ? Math.min(34, now - freeScrollLastTs) : 16.7
+      const el = scrollContainerRef.value
+      const dt = freeScrollLastTs ? Math.min(24, now - freeScrollLastTs) : 16.7
      freeScrollLastTs = now
-      if (isAutoScroll.value && !isInteracting.value && !isDrawerOpen.value) {
-        if (isAtBottom()) {
+      if (el && isAutoScroll.value && !isAutoScrollBlocked()) {
+        const max = maxScrollTop.value || updateScrollMetrics()
+        if (max - el.scrollTop <= 8) {
          scheduleBottomReturn()
        } else {
-          scrollContainerRef.value.scrollTop += FREE_SCROLL_BASE_STEP * (dt / freeInterval.value)
-          if (isAtBottom()) scheduleBottomReturn()
+          freeScrollCarry += FREE_SCROLL_BASE_STEP * (dt / freeInterval.value)
+          if (freeScrollCarry >= 0.35) {
+            const currentTop = el.scrollTop
+            const nextTop = Math.min(max, currentTop + freeScrollCarry)
+            el.scrollTop = nextTop
+            freeScrollCarry = Math.max(0, freeScrollCarry - (nextTop - currentTop))
+            if (freeScrollCarry > 4) freeScrollCarry = 0
+            if (max - nextTop <= 8) scheduleBottomReturn()
+          }
        }
      }
      rafId = requestAnimationFrame(tickFreeScroll)
@@ -600,6 +720,12 @@ onMounted(async () => {
    }
  } catch (e) { /* 使用默认配置 */ }

+  albumLoaded.value = false
+  albumPreviewImages.value = localAlbumImages()
+  await nextTick()
+  scheduleScrollMetricsUpdate()
+  window.addEventListener('resize', scheduleScrollMetricsUpdate, { passive: true })
+
  if (data.value.introEnabled) showIntro.value = true

  audio.setTracks(data.value.musicList, data.value.activeMusicUrl)
@@ -614,18 +740,20 @@ onMounted(async () => {
    scheduleAutoScrollStart()
  }

-  handleScroll()
+  scheduleScrollMetricsUpdate()
 })

 onUnmounted(() => {
  cancelAnimationFrame(rafId)
  cancelAnimationFrame(animId)
+  cancelAnimationFrame(metricsRaf)
  clearInterval(snapTimer)
  clearInterval(freeTimer)
  clearTimeout(pauseTimer)
  clearTimeout(introTimer)
  clearTimeout(scrollStartTimer)
  clearBottomReturn()
+  window.removeEventListener('resize', scheduleScrollMetricsUpdate)
 })

 watch(freeScrollSignature, restartAutoScroll)
@@ -637,6 +765,9 @@ watch(freeScrollSignature, restartAutoScroll)
  font-variant-numeric: lining-nums;
  text-rendering: geometricPrecision;
 }
+.album-preview-registry {
+  display: none;
+}
 .wrapper .scrollable-area-body {
  width: 100%;
  box-sizing: border-box;