diff --git a/src/views/api/aplayer/music-player-panel.vue b/src/views/api/aplayer/music-player-panel.vue
index 7b69937..d7bf55e 100644
--- a/src/views/api/aplayer/music-player-panel.vue
+++ b/src/views/api/aplayer/music-player-panel.vue
@@ -11,7 +11,7 @@
             <div class="vinyl-grooves"></div>
             <div class="disc-cover-wrapper">
               <img v-if="currentMusic?.pic" ref="coverImg" :src="currentMusic.pic" class="disc-cover" crossorigin="anonymous" @load="onCoverLoad" />
-              <div v-else class="disc-cover"></div>
+              <div v-else class="disc-cover disc-cover-empty"></div>
             </div>
             <div class="disc-center-dot"></div>
           </div>
@@ -48,7 +48,7 @@
               v-for="(line, index) in lrcLines"
               :key="index"
               :class="{ 'current-line': index === currentLineIndex }"
-            >{{ line[1] || '&nbsp;' }}</p>
+            >{{ line[1] || '' }}</p>
           </div>
           <div v-if="!lrcLines.length" class="no-lyrics">暂无歌词</div>
         </div>
@@ -123,7 +123,7 @@
 <script setup lang="ts">
 import { ref, computed, watch, onMounted, onBeforeUnmount, reactive, nextTick } from 'vue'
 import { MusicPlayerItem, StatType } from '@/model/api/music'
-import { parseLrc, getElementViewLeft, adaptingThemeColor } from './utils'
+import { parseLrc, adaptingThemeColor } from './utils'
 import Hls from 'hls.js'
 
 const props = defineProps<{
@@ -142,17 +142,10 @@ const playlistVisible = ref(false)
 const themeColor = ref<{ r: number; g: number; b: number } | null>(null)
 
 const panelBgStyle = computed(() => {
-  if (!themeColor.value) {
-    return { background: 'linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%)' }
-  }
+  if (!themeColor.value) return null
   const { r, g, b } = themeColor.value
-  // 将提取的颜色变暗，确保背景不会太亮
-  const darken = (v: number) => Math.floor(v * 0.3)
-  const dr = darken(r), dg = darken(g), db = darken(b)
-  const dr2 = Math.floor(r * 0.15), dg2 = Math.floor(g * 0.15), db2 = Math.floor(b * 0.15)
-  return {
-    background: `linear-gradient(135deg, rgb(${dr2}, ${dg2}, ${db2}) 0%, rgb(${dr}, ${dg}, ${db}) 50%, rgb(${dr2}, ${dg2}, ${db2}) 100%)`
-  }
+  const dr = Math.floor(r * 0.25), dg = Math.floor(g * 0.25), db = Math.floor(b * 0.25)
+  return { backgroundColor: `rgb(${dr}, ${dg}, ${db})` }
 })
 
 function onCoverLoad() {
@@ -295,6 +288,27 @@ function stopVisualizer() {
   }
 }
 
+function destroyVisualizer() {
+  stopVisualizer()
+  source?.disconnect()
+  analyser?.disconnect()
+  source = null
+  analyser = null
+  dataArray = null
+  visualizerConnected = false
+
+  if (audioCtx && audioCtx.state !== 'closed') {
+    void audioCtx.close()
+  }
+  audioCtx = null
+}
+
+function destroyHls() {
+  hls.value?.detachMedia()
+  hls.value?.destroy()
+  hls.value = null
+}
+
 // Audio controls
 function play() {
   const media = audioEl.value
@@ -317,18 +331,22 @@ function switchTrack(index: number) {
   nextTick(() => play())
 }
 
+function resolveProgressRatio(clientX: number) {
+  if (!progressBar.value) return 0
+  const rect = progressBar.value.getBoundingClientRect()
+  if (rect.width === 0) return 0
+  return Math.max(0, Math.min(1, (clientX - rect.left) / rect.width))
+}
+
 function onProgressMouseDown(e: MouseEvent) {
   if (!progressBar.value || !audioEl.value) return
-  const barWidth = progressBar.value.clientWidth
-  let pct = (e.clientX - getElementViewLeft(progressBar.value)) / barWidth
-  pct = Math.max(0, Math.min(1, pct))
+  const pct = resolveProgressRatio(e.clientX)
   if (!isNaN(audioEl.value.duration)) {
     audioEl.value.currentTime = audioEl.value.duration * pct
   }
 
   const onMove = (ev: MouseEvent) => {
-    let p = (ev.clientX - getElementViewLeft(progressBar.value!)) / barWidth
-    p = Math.max(0, Math.min(1, p))
+    const p = resolveProgressRatio(ev.clientX)
     if (!isNaN(audioEl.value!.duration)) {
       audioEl.value!.currentTime = audioEl.value!.duration * p
     }
@@ -410,15 +428,20 @@ function loadSource(music: MusicPlayerItem) {
 
   if (/\.m3u8(?=[#?]|$)/.test(src)) {
     if (media.canPlayType('application/x-mpegURL') || media.canPlayType('application/vnd.apple.mpegURL')) {
+      destroyHls()
       media.src = src
     } else if (Hls.isSupported()) {
-      if (!hls.value) hls.value = new Hls()
-      hls.value.loadSource(src)
-      hls.value.attachMedia(media)
+      destroyHls()
+      const hlsInstance = new Hls()
+      hlsInstance.loadSource(src)
+      hlsInstance.attachMedia(media)
+      hls.value = hlsInstance
     } else {
+      destroyHls()
       media.src = src
     }
   } else {
+    destroyHls()
     media.src = src
   }
 }
@@ -494,9 +517,9 @@ onMounted(() => {
 })
 
 onBeforeUnmount(() => {
-  stopVisualizer()
+  destroyVisualizer()
   resizeObserver?.disconnect()
-  hls.value?.destroy()
+  destroyHls()
 })
 
 defineExpose({
@@ -524,7 +547,6 @@ defineExpose({
 @color-text-secondary: #aaa;
 @color-text-muted: #888;
 @color-text-dim: #555;
-@color-bg-default: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
 @color-vinyl-dark: #111;
 @color-vinyl-groove: #222;
 @color-vinyl-groove-alt: #1a1a1a;
@@ -575,11 +597,9 @@ defineExpose({
   height: 100%;
   display: flex;
   flex-direction: column;
-  background: @color-bg-default;
   color: @color-text;
   padding: 24px 30px;
   overflow: hidden;
-  transition: background 1.5s ease;
   text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
 }
 
@@ -696,7 +716,7 @@ defineExpose({
   height: 100%;
   object-fit: cover;
 
-  &-empty {
+  &.disc-cover-empty {
     background: radial-gradient(circle, #2a2a2a 30%, @color-vinyl-dark 70%);
   }
 }