diff --git a/src/renderer/api/music.ts b/src/renderer/api/music.ts
index edabfa8..4a928a5 100644
--- a/src/renderer/api/music.ts
+++ b/src/renderer/api/music.ts
@@ -65,7 +65,7 @@ export const getMusicLrc = async (id: number) => {
     }
 
     // 获取新的歌词数据
-    const res = await request.get<ILyric>('/lyric', { params: { id } });
+    const res = await request.get<ILyric>('/lyric/new', { params: { id } });
 
     // 只有在成功获取新数据后才删除旧缓存并添加新缓存
     if (res?.data) {
diff --git a/src/renderer/api/musicParser.ts b/src/renderer/api/musicParser.ts
index d169afb..73f0970 100644
--- a/src/renderer/api/musicParser.ts
+++ b/src/renderer/api/musicParser.ts
@@ -90,10 +90,11 @@ export class CacheManager {
     musicSources?: string[]
   ): Promise<void> {
     try {
+      // 深度克隆数据，确保可以被 IndexedDB 存储
       await saveData('music_url_cache', {
         id,
-        data: result,
-        musicSources: musicSources || [],
+        data: cloneDeep(result),
+        musicSources: cloneDeep(musicSources || []),
         createTime: Date.now()
       });
       console.log(`缓存音乐URL成功: ${id}`);
diff --git a/src/renderer/components/lyric/MusicFull.vue b/src/renderer/components/lyric/MusicFull.vue
index 37d8051..9ca038d 100644
--- a/src/renderer/components/lyric/MusicFull.vue
+++ b/src/renderer/components/lyric/MusicFull.vue
@@ -119,7 +119,22 @@
               :class="{ 'now-text': index === nowIndex, 'hover-text': item.text }"
               @click="setAudioTime(index)"
             >
-              <span :style="getLrcStyle(index)">{{ item.text }}</span>
+              <!-- 逐字歌词显示 -->
+              <div
+                v-if="item.hasWordByWord && item.words && item.words.length > 0"
+                class="word-by-word-lyric"
+              >
+                <span
+                  v-for="(word, wordIndex) in item.words"
+                  :key="wordIndex"
+                  class="lyric-word"
+                  :style="getWordStyle(index, wordIndex, word)"
+                >
+                  {{ word.text }}
+                </span>
+              </div>
+              <!-- 普通歌词显示 -->
+              <span v-else :style="getLrcStyle(index)">{{ item.text }}</span>
               <div v-show="config.showTranslation" class="music-lrc-text-tr">
                 {{ item.trText }}
               </div>
@@ -144,7 +159,7 @@
 
 <script setup lang="ts">
 import { useDebounceFn } from '@vueuse/core';
-import { computed, onBeforeUnmount, onMounted, ref, watch } from 'vue';
+import { computed, nextTick, onBeforeUnmount, onMounted, ref, watch } from 'vue';
 import { useI18n } from 'vue-i18n';
 
 import Cover3D from '@/components/cover/Cover3D.vue';
@@ -157,6 +172,7 @@ import {
   correctionTime,
   lrcArray,
   nowIndex,
+  nowTime,
   playMusic,
   setAudioTime,
   textColors,
@@ -179,6 +195,7 @@ const animationFrame = ref<number | null>(null);
 const isDark = ref(false);
 const showStickyHeader = ref(false);
 const lyricSettingsRef = ref<InstanceType<typeof LyricSettings>>();
+const isSongChanging = ref(false);
 
 const config = ref<LyricConfig>({ ...DEFAULT_LYRIC_CONFIG });
 
@@ -274,6 +291,8 @@ const mouseLeaveLayout = () => {
 };
 
 watch(nowIndex, () => {
+  // 歌曲切换时不自动滚动
+  if (isSongChanging.value) return;
   debouncedLrcScroll();
 });
 
@@ -337,25 +356,30 @@ watch(
   { immediate: true }
 );
 
-// 修改 useLyricProgress 的使用方式
 const { getLrcStyle: originalLrcStyle } = useLyricProgress();
 
-// 修改 getLrcStyle 函数
 const getLrcStyle = (index: number) => {
-  const colors = textColors.value || getTextColors;
+  const colors = textColors.value || getTextColors();
   const originalStyle = originalLrcStyle(index);
 
   if (index === nowIndex.value) {
-    // 当前播放的歌词，使用渐变效果
-    return {
-      ...originalStyle,
-      backgroundImage: originalStyle.backgroundImage
-        ?.replace(/#ffffff/g, colors.active)
-        .replace(/#ffffff8a/g, `${colors.primary}`),
-      backgroundClip: 'text',
-      WebkitBackgroundClip: 'text',
-      color: 'transparent'
-    };
+    // 当前播放的歌词
+    if (originalStyle.backgroundImage) {
+      // 有渐变进度时，使用渐变效果
+      return {
+        ...originalStyle,
+        backgroundImage: originalStyle.backgroundImage
+          .replace(/#ffffff/g, colors.active)
+          .replace(/#ffffff8a/g, `${colors.primary}`),
+        backgroundClip: 'text',
+        WebkitBackgroundClip: 'text',
+        color: 'transparent'
+      };
+    } else {
+      return {
+        color: colors.primary
+      };
+    }
   }
 
   // 非当前播放的歌词，使用普通颜色
@@ -364,6 +388,57 @@ const getLrcStyle = (index: number) => {
   };
 };
 
+// 逐字歌词样式函数
+const getWordStyle = (lineIndex: number, _wordIndex: number, word: any) => {
+  const colors = textColors.value || getTextColors();
+  // 如果不是当前行，返回普通样式
+  if (lineIndex !== nowIndex.value) {
+    return {
+      color: colors.primary,
+      transition: 'color 0.3s ease',
+      // 重置背景相关属性
+      backgroundImage: 'none',
+      WebkitTextFillColor: 'initial'
+    };
+  }
+
+  // 当前行的逐字效果，应用歌词矫正时间
+  const currentTime = (nowTime.value + correctionTime.value) * 1000; // 转换为毫秒，确保与word时间单位一致
+
+  // 直接使用绝对时间比较
+  const wordStartTime = word.startTime; // 单词开始的绝对时间（毫秒）
+  const wordEndTime = word.startTime + word.duration;
+
+  if (currentTime >= wordStartTime && currentTime < wordEndTime) {
+    // 当前正在播放的单词 - 使用渐变进度效果
+    const progress = Math.min((currentTime - wordStartTime) / word.duration, 1);
+    const progressPercent = Math.round(progress * 100);
+
+    return {
+      backgroundImage: `linear-gradient(to right, ${colors.active} 0%, ${colors.active} ${progressPercent}%, ${colors.primary} ${progressPercent}%, ${colors.primary} 100%)`,
+      backgroundClip: 'text',
+      WebkitBackgroundClip: 'text',
+      WebkitTextFillColor: 'transparent',
+      textShadow: `0 0 8px ${colors.active}40`,
+      transition: 'all 0.1s ease'
+    };
+  } else if (currentTime >= wordEndTime) {
+    // 已经播放过的单词 - 纯色显示
+    return {
+      color: colors.active,
+      WebkitTextFillColor: 'initial',
+      transition: 'none'
+    };
+  } else {
+    // 还未播放的单词 - 普通状态
+    return {
+      color: colors.primary,
+      WebkitTextFillColor: 'initial',
+      transition: 'none'
+    };
+  }
+};
+
 // 组件卸载时清理动画
 onBeforeUnmount(() => {
   if (animationFrame.value) {
@@ -502,12 +577,24 @@ onMounted(() => {
   }
 });
 
-// 添加对 playMusic 的监听
-watch(playMusic, () => {
-  nextTick(() => {
-    lrcScroll('instant', true);
-  });
-});
+// 添加对 playMusic.id 的监听，歌曲切换时滚动到顶部
+watch(
+  () => playMusic.value.id,
+  (newId, oldId) => {
+    // 只在歌曲真正切换时滚动到顶部
+    if (newId !== oldId && newId) {
+      isSongChanging.value = true;
+      // 延迟滚动，确保 nowIndex 已重置
+      setTimeout(() => {
+        lrcScroll('instant', true);
+        // 延迟恢复自动滚动，等待歌词数据更新
+        setTimeout(() => {
+          isSongChanging.value = false;
+        }, 300);
+      }, 100);
+    }
+  }
+);
 
 defineExpose({
   lrcScroll,
@@ -621,6 +708,9 @@ defineExpose({
 
   .music-lrc-container {
     padding-top: 30vh;
+    .music-lrc-text:last-child {
+      margin-bottom: 200px;
+    }
   }
 
   .music-lrc {
@@ -670,6 +760,28 @@ defineExpose({
         opacity: 0.7;
         color: var(--text-color-primary);
       }
+
+      // 逐字歌词样式
+      .word-by-word-lyric {
+        @apply flex flex-wrap;
+
+        .lyric-word {
+          @apply inline-block;
+          margin-right: 4px;
+          padding: 2px 4px;
+          border-radius: 4px;
+          font-weight: inherit;
+          font-size: inherit;
+          letter-spacing: inherit;
+          line-height: inherit;
+          cursor: inherit;
+          position: relative;
+
+          &:hover {
+            background-color: rgba(255, 255, 255, 0.1);
+          }
+        }
+      }
     }
 
     .hover-text {
diff --git a/src/renderer/components/lyric/MusicFullMobile.vue b/src/renderer/components/lyric/MusicFullMobile.vue
index 21bec64..8312161 100644
--- a/src/renderer/components/lyric/MusicFullMobile.vue
+++ b/src/renderer/components/lyric/MusicFullMobile.vue
@@ -57,7 +57,22 @@
               :class="{ 'now-text': index === nowIndex, 'hover-text': item.text }"
               @click="jumpToLyricTime(index)"
             >
-              <span :style="getLrcStyle(index)">{{ item.text }}</span>
+              <!-- 逐字歌词显示 -->
+              <div
+                v-if="item.hasWordByWord && item.words && item.words.length > 0"
+                class="word-by-word-lyric"
+              >
+                <span
+                  v-for="(word, wordIndex) in item.words"
+                  :key="wordIndex"
+                  class="lyric-word"
+                  :style="getWordStyle(index, wordIndex, word)"
+                >
+                  {{ word.text }}
+                </span>
+              </div>
+              <!-- 普通歌词显示 -->
+              <span v-else :style="getLrcStyle(index)">{{ item.text }}</span>
               <div v-if="config.showTranslation && item.trText" class="translation">
                 {{ item.trText }}
               </div>
@@ -119,7 +134,22 @@
             <div class="lyrics-container" v-if="!config.hideLyrics" @click="showFullLyricScreen">
               <div v-if="lrcArray.length > 0" class="lyrics-wrapper">
                 <div v-for="(line, idx) in visibleLyrics" :key="idx" class="lyric-line">
-                  {{ line.text }}
+                  <!-- 逐字歌词显示 -->
+                  <div
+                    v-if="line.hasWordByWord && line.words && line.words.length > 0"
+                    class="word-by-word-lyric"
+                  >
+                    <span
+                      v-for="(word, wordIndex) in line.words"
+                      :key="wordIndex"
+                      class="lyric-word"
+                      :style="getWordStyle(line.originalIndex, wordIndex, word)"
+                    >
+                      {{ word.text }}
+                    </span>
+                  </div>
+                  <!-- 普通歌词显示 -->
+                  <span v-else>{{ line.text }}</span>
                 </div>
               </div>
               <div v-else class="no-lyrics">
@@ -225,7 +255,22 @@
               :class="{ 'now-text': index === nowIndex, 'hover-text': item.text }"
               @click="jumpToLyricTime(index)"
             >
-              <span :style="getLrcStyle(index)">{{ item.text }}</span>
+              <!-- 逐字歌词显示 -->
+              <div
+                v-if="item.hasWordByWord && item.words && item.words.length > 0"
+                class="word-by-word-lyric"
+              >
+                <span
+                  v-for="(word, wordIndex) in item.words"
+                  :key="wordIndex"
+                  class="lyric-word"
+                  :style="getWordStyle(index, wordIndex, word)"
+                >
+                  {{ word.text }}
+                </span>
+              </div>
+              <!-- 普通歌词显示 -->
+              <span v-else :style="getLrcStyle(index)">{{ item.text }}</span>
               <div v-if="config.showTranslation && item.trText" class="translation">
                 {{ item.trText }}
               </div>
@@ -770,7 +815,11 @@ const visibleLyrics = computed(() => {
     startIdx = Math.max(0, endIdx - numLines + 1);
   }
 
-  return lrcArray.value.slice(startIdx, endIdx + 1);
+  // 返回带有原始索引的歌词数组
+  return lrcArray.value.slice(startIdx, endIdx + 1).map((item, idx) => ({
+    ...item,
+    originalIndex: startIdx + idx
+  }));
 });
 
 const props = defineProps({
@@ -1020,6 +1069,57 @@ const getLrcStyle = (index: number) => {
     color: colors.primary
   };
 };
+
+// 逐字歌词样式函数
+const getWordStyle = (lineIndex: number, _wordIndex: number, word: any) => {
+  const colors = textColors.value || getTextColors();
+  // 如果不是当前行，返回普通样式
+  if (lineIndex !== nowIndex.value) {
+    return {
+      color: colors.primary,
+      transition: 'color 0.3s ease',
+      // 重置背景相关属性
+      backgroundImage: 'none',
+      WebkitTextFillColor: 'initial'
+    };
+  }
+
+  // 当前行的逐字效果
+  const currentTime = nowTime.value * 1000; // 转换为毫秒，确保与word时间单位一致
+
+  // 直接使用绝对时间比较
+  const wordStartTime = word.startTime; // 单词开始的绝对时间（毫秒）
+  const wordEndTime = word.startTime + word.duration;
+
+  if (currentTime >= wordStartTime && currentTime < wordEndTime) {
+    // 当前正在播放的单词 - 使用渐变进度效果
+    const progress = Math.min((currentTime - wordStartTime) / word.duration, 1);
+    const progressPercent = Math.round(progress * 100);
+
+    return {
+      backgroundImage: `linear-gradient(to right, ${colors.active} 0%, ${colors.active} ${progressPercent}%, ${colors.primary} ${progressPercent}%, ${colors.primary} 100%)`,
+      backgroundClip: 'text',
+      WebkitBackgroundClip: 'text',
+      WebkitTextFillColor: 'transparent',
+      textShadow: `0 0 8px ${colors.active}40`,
+      transition: 'all 0.1s ease'
+    };
+  } else if (currentTime >= wordEndTime) {
+    // 已经播放过的单词 - 纯色显示
+    return {
+      color: colors.active,
+      WebkitTextFillColor: 'initial',
+      transition: 'none'
+    };
+  } else {
+    // 还未播放的单词 - 普通状态
+    return {
+      color: colors.primary,
+      WebkitTextFillColor: 'initial',
+      transition: 'none'
+    };
+  }
+};
 </script>
 
 <style scoped lang="scss">
@@ -1574,7 +1674,7 @@ const getLrcStyle = (index: number) => {
 
 // 通用歌词样式
 .lyric-line {
-  @apply cursor-pointer transition-all duration-300;
+  @apply cursor-pointer transition-all duration-300 font-medium;
   font-weight: 500;
   letter-spacing: var(--lyric-letter-spacing, 0);
   line-height: var(--lyric-line-height, 1.6);
@@ -1587,7 +1687,7 @@ const getLrcStyle = (index: number) => {
   }
 
   &.now-text {
-    @apply font-bold py-4;
+    @apply font-medium py-4;
     color: var(--text-color-active);
     opacity: 1;
   }
@@ -1599,6 +1699,25 @@ const getLrcStyle = (index: number) => {
   .translation {
     @apply font-normal opacity-70 mt-1 text-base;
   }
+
+  // 逐字歌词样式
+  .word-by-word-lyric {
+    @apply flex flex-wrap justify-center;
+
+    .lyric-word {
+      @apply inline-block;
+      font-weight: inherit;
+      font-size: inherit;
+      letter-spacing: inherit;
+      line-height: inherit;
+      cursor: inherit;
+      position: relative;
+
+      &:hover {
+        background-color: rgba(255, 255, 255, 0.1);
+      }
+    }
+  }
 }
 
 // 全屏歌词相关样式
@@ -1765,6 +1884,10 @@ const getLrcStyle = (index: number) => {
         }
       }
 
+      .lyric-word {
+        @apply px-[2px];
+      }
+
       .no-lyrics {
         @apply text-center text-base opacity-60;
         color: var(--text-color-primary);
diff --git a/src/renderer/components/player/MobilePlayBar.vue b/src/renderer/components/player/MobilePlayBar.vue
index 01dedd0..dcacebe 100644
--- a/src/renderer/components/player/MobilePlayBar.vue
+++ b/src/renderer/components/player/MobilePlayBar.vue
@@ -202,7 +202,7 @@ watch(
 
 <style lang="scss" scoped>
 .mobile-play-bar {
-  @apply fixed bottom-[56px] left-0 w-full flex flex-col;
+  @apply fixed bottom-[76px] left-0 w-full flex flex-col;
   z-index: 10000;
   animation-duration: 0.3s !important;
   transition: all 0.3s ease;
diff --git a/src/renderer/hooks/MusicHook.ts b/src/renderer/hooks/MusicHook.ts
index c1c46a8..cbf50fa 100644
--- a/src/renderer/hooks/MusicHook.ts
+++ b/src/renderer/hooks/MusicHook.ts
@@ -10,6 +10,7 @@ import { getSongUrl } from '@/store/modules/player';
 import type { Artist, ILyricText, SongResult } from '@/types/music';
 import { isElectron } from '@/utils';
 import { getTextColors } from '@/utils/linearColor';
+import { parseLyrics } from '@/utils/yrcParser';
 
 const windowData = window as any;
 
@@ -64,7 +65,7 @@ export const musicDB = await useIndexedDB(
     { name: 'music_url_cache', keyPath: 'id' },
     { name: 'music_failed_cache', keyPath: 'id' }
   ],
-  2
+  3
 );
 
 // 键盘事件处理器，在初始化后设置
@@ -268,27 +269,119 @@ const initProgressAnimation = () => {
   });
 };
 
+/**
+ * 解析歌词字符串并转换为ILyricText格式
+ * @param lyricsStr 歌词字符串
+ * @returns 解析后的歌词数据
+ */
+const parseLyricsString = async (
+  lyricsStr: string
+): Promise<{ lrcArray: ILyricText[]; lrcTimeArray: number[]; hasWordByWord: boolean }> => {
+  if (!lyricsStr || typeof lyricsStr !== 'string') {
+    return { lrcArray: [], lrcTimeArray: [], hasWordByWord: false };
+  }
+
+  try {
+    const parseResult = parseLyrics(lyricsStr);
+
+    if (!parseResult.success) {
+      console.error('歌词解析失败:', parseResult.error.message);
+      return { lrcArray: [], lrcTimeArray: [], hasWordByWord: false };
+    }
+
+    const { lyrics } = parseResult.data;
+    const lrcArray: ILyricText[] = [];
+    const lrcTimeArray: number[] = [];
+    let hasWordByWord = false;
+
+    for (const line of lyrics) {
+      // 检查是否有逐字歌词
+      const hasWords = line.words && line.words.length > 0;
+      if (hasWords) {
+        hasWordByWord = true;
+      }
+
+      lrcArray.push({
+        text: line.fullText,
+        trText: '', // 翻译文本稍后处理
+        words: hasWords
+          ? line.words.map((word) => ({
+              text: word.text,
+              startTime: word.startTime,
+              duration: word.duration
+            }))
+          : undefined,
+        hasWordByWord: hasWords,
+        startTime: line.startTime,
+        duration: line.duration
+      });
+
+      lrcTimeArray.push(line.startTime);
+    }
+    console.log('parseLyricsString', lrcArray);
+    return { lrcArray, lrcTimeArray, hasWordByWord };
+  } catch (error) {
+    console.error('解析歌词时发生错误:', error);
+    return { lrcArray: [], lrcTimeArray: [], hasWordByWord: false };
+  }
+};
+
 // 设置音乐相关的监听器
 const setupMusicWatchers = () => {
   const store = getPlayerStore();
 
   // 监听 playerStore.playMusic 的变化以更新歌词数据
   watch(
-    () => store.playMusic,
-    () => {
-      nextTick(async () => {
-        console.log('歌曲切换，更新歌词数据');
-        // 更新歌词数据
-        const rawLrc = playMusic.value.lyric?.lrcArray || [];
-        lrcTimeArray.value = playMusic.value.lyric?.lrcTimeArray || [];
-        try {
-          const { translateLyrics } = await import('@/services/lyricTranslation');
-          lrcArray.value = await translateLyrics(rawLrc as any);
-        } catch (e) {
-          console.error('翻译歌词失败，使用原始歌词：', e);
-          lrcArray.value = rawLrc as any;
-        }
+    () => store.playMusic.id,
+    async (newId, oldId) => {
+      // 如果没有歌曲ID，清空歌词
+      if (!newId) {
+        lrcArray.value = [];
+        lrcTimeArray.value = [];
+        nowIndex.value = 0;
+        return;
+      }
 
+      // 避免相同ID的重复执行(但允许初始化时执行)
+      if (newId === oldId && lrcArray.value.length > 0) return;
+
+      // 歌曲切换时重置歌词索引
+      if (newId !== oldId) {
+        nowIndex.value = 0;
+      }
+
+      await nextTick(async () => {
+        console.log('歌曲切换，更新歌词数据');
+
+        // 检查是否有原始歌词字符串需要解析
+        const lyricData = playMusic.value.lyric;
+        if (lyricData && typeof lyricData === 'string') {
+          // 如果歌词是字符串格式，使用新的解析器
+          const {
+            lrcArray: parsedLrcArray,
+            lrcTimeArray: parsedTimeArray,
+            hasWordByWord
+          } = await parseLyricsString(lyricData);
+          lrcArray.value = parsedLrcArray;
+          lrcTimeArray.value = parsedTimeArray;
+
+          // 更新歌曲的歌词数据结构
+          if (playMusic.value.lyric && typeof playMusic.value.lyric === 'object') {
+            playMusic.value.lyric.hasWordByWord = hasWordByWord;
+          }
+        } else {
+          // 使用现有的歌词数据结构
+          const rawLrc = lyricData?.lrcArray || [];
+          lrcTimeArray.value = lyricData?.lrcTimeArray || [];
+
+          try {
+            const { translateLyrics } = await import('@/services/lyricTranslation');
+            lrcArray.value = await translateLyrics(rawLrc as any);
+          } catch (e) {
+            console.error('翻译歌词失败，使用原始歌词：', e);
+            lrcArray.value = rawLrc as any;
+          }
+        }
         // 当歌词数据更新时，如果歌词窗口打开，则发送数据
         if (isElectron && isLyricWindowOpen.value) {
           console.log('歌词窗口已打开，同步最新歌词数据');
@@ -302,10 +395,7 @@ const setupMusicWatchers = () => {
         }
       });
     },
-    {
-      deep: true,
-      immediate: true
-    }
+    { immediate: true }
   );
 };
 
@@ -563,20 +653,46 @@ export const adjustCorrectionTime = (delta: number) => {
 // 获取当前播放歌词
 export const isCurrentLrc = (index: number, time: number): boolean => {
   const currentTime = lrcTimeArray.value[index];
+
+  // 如果是最后一句歌词，只需要判断时间是否大于等于当前句的开始时间
+  if (index === lrcTimeArray.value.length - 1) {
+    const correctedTime = time + correctionTime.value;
+    return correctedTime >= currentTime;
+  }
+
+  // 非最后一句歌词，需要判断时间在当前句和下一句之间
   const nextTime = lrcTimeArray.value[index + 1];
   const correctedTime = time + correctionTime.value;
-  return correctedTime > currentTime && correctedTime < nextTime;
+  return correctedTime >= currentTime && correctedTime < nextTime;
 };
 
 // 获取当前播放歌词INDEX
 export const getLrcIndex = (time: number): number => {
   const correctedTime = time + correctionTime.value;
-  for (let i = 0; i < lrcTimeArray.value.length; i++) {
-    if (isCurrentLrc(i, correctedTime - correctionTime.value)) {
+
+  // 如果歌词数组为空，返回当前索引
+  if (lrcTimeArray.value.length === 0) {
+    return nowIndex.value;
+  }
+
+  // 处理最后一句歌词的情况
+  const lastIndex = lrcTimeArray.value.length - 1;
+  if (correctedTime >= lrcTimeArray.value[lastIndex]) {
+    nowIndex.value = lastIndex;
+    return lastIndex;
+  }
+
+  // 查找当前时间对应的歌词索引
+  for (let i = 0; i < lrcTimeArray.value.length - 1; i++) {
+    const currentTime = lrcTimeArray.value[i];
+    const nextTime = lrcTimeArray.value[i + 1];
+
+    if (correctedTime >= currentTime && correctedTime < nextTime) {
       nowIndex.value = i;
       return i;
     }
   }
+
   return nowIndex.value;
 };
 
@@ -833,6 +949,9 @@ onUnmounted(() => {
   stopLyricSync();
 });
 
+// 导出歌词解析函数供外部使用
+export { parseLyricsString };
+
 // 添加播放控制命令监听
 if (isElectron) {
   windowData.electron.ipcRenderer.on('lyric-control-back', (_, command: string) => {
diff --git a/src/renderer/hooks/MusicListHook.ts b/src/renderer/hooks/MusicListHook.ts
deleted file mode 100644
index c3901d9..0000000
--- a/src/renderer/hooks/MusicListHook.ts
+++ /dev/null
@@ -1,286 +0,0 @@
-import { Howl } from 'howler';
-import { cloneDeep } from 'lodash';
-import { ref } from 'vue';
-
-import { getMusicLrc, getMusicUrl, getParsingMusicUrl } from '@/api/music';
-import { useMusicHistory } from '@/hooks/MusicHistoryHook';
-import { audioService } from '@/services/audioService';
-import { useSettingsStore } from '@/store';
-import type { ILyric, ILyricText, SongResult } from '@/types/music';
-import { getImgUrl } from '@/utils';
-import { getImageLinearBackground } from '@/utils/linearColor';
-
-const musicHistory = useMusicHistory();
-
-// 获取歌曲url
-export const getSongUrl = async (id: any, songData: any, isDownloaded: boolean = false) => {
-  const settingsStore = useSettingsStore();
-  const { unlimitedDownload } = settingsStore.setData;
-
-  const { data } = await getMusicUrl(id, !unlimitedDownload);
-  let url = '';
-  let songDetail: any = null;
-
-  try {
-    if (data.data[0].freeTrialInfo || !data.data[0].url) {
-      const res = await getParsingMusicUrl(id, cloneDeep(songData));
-      if (res.data.data?.url) {
-        url = res.data.data.url;
-        songDetail = res.data.data;
-      }
-    } else {
-      songDetail = data.data[0] as any;
-    }
-  } catch (error) {
-    console.error('error', error);
-  }
-  if (isDownloaded) {
-    return songDetail;
-  }
-  url = url || data.data[0].url;
-  return url;
-};
-
-const getSongDetail = async (playMusic: SongResult) => {
-  playMusic.playLoading = true;
-  const playMusicUrl =
-    playMusic.playMusicUrl || (await getSongUrl(playMusic.id, cloneDeep(playMusic)));
-  const { backgroundColor, primaryColor } =
-    playMusic.backgroundColor && playMusic.primaryColor
-      ? playMusic
-      : await getImageLinearBackground(getImgUrl(playMusic?.picUrl, '30y30'));
-
-  playMusic.playLoading = false;
-  return { ...playMusic, playMusicUrl, backgroundColor, primaryColor };
-};
-
-// 加载 当前歌曲 歌曲列表数据 下一首mp3预加载 歌词数据
-export const useMusicListHook = () => {
-  const handlePlayMusic = async (state: any, playMusic: SongResult, isPlay: boolean = true) => {
-    const updatedPlayMusic = await getSongDetail(playMusic);
-    state.playMusic = updatedPlayMusic;
-    state.playMusicUrl = updatedPlayMusic.playMusicUrl;
-
-    // 记录当前设置的播放状态
-    state.play = isPlay;
-
-    // 每次设置新歌曲时，立即更新 localStorage
-    localStorage.setItem('currentPlayMusic', JSON.stringify(state.playMusic));
-    localStorage.setItem('currentPlayMusicUrl', state.playMusicUrl);
-    localStorage.setItem('isPlaying', state.play.toString());
-
-    // 设置网页标题
-    document.title = `${updatedPlayMusic.name} - ${updatedPlayMusic?.song?.artists?.reduce((prev, curr) => `${prev}${curr.name}/`, '')}`;
-    loadLrcAsync(state, updatedPlayMusic.id);
-    musicHistory.addMusic(state.playMusic);
-    const playListIndex = state.playList.findIndex((item: SongResult) => item.id === playMusic.id);
-    state.playListIndex = playListIndex;
-    // 请求后续五首歌曲的详情
-    fetchSongs(state, playListIndex + 1, playListIndex + 6);
-  };
-
-  const preloadingSounds = ref<Howl[]>([]);
-
-  // 用于预加载下一首歌曲的 MP3 数据
-  const preloadNextSong = (nextSongUrl: string) => {
-    try {
-      // 限制同时预加载的数量
-      if (preloadingSounds.value.length >= 2) {
-        const oldestSound = preloadingSounds.value.shift();
-        if (oldestSound) {
-          oldestSound.unload();
-        }
-      }
-
-      const sound = new Howl({
-        src: [nextSongUrl],
-        html5: true,
-        preload: true,
-        autoplay: false
-      });
-
-      preloadingSounds.value.push(sound);
-
-      // 添加加载错误处理
-      sound.on('loaderror', () => {
-        console.error('预加载音频失败:', nextSongUrl);
-        const index = preloadingSounds.value.indexOf(sound);
-        if (index > -1) {
-          preloadingSounds.value.splice(index, 1);
-        }
-        sound.unload();
-      });
-
-      return sound;
-    } catch (error) {
-      console.error('预加载音频出错:', error);
-      return null;
-    }
-  };
-
-  const fetchSongs = async (state: any, startIndex: number, endIndex: number) => {
-    try {
-      const songs = state.playList.slice(
-        Math.max(0, startIndex),
-        Math.min(endIndex, state.playList.length)
-      );
-
-      const detailedSongs = await Promise.all(
-        songs.map(async (song: SongResult) => {
-          try {
-            // 如果歌曲详情已经存在，就不重复请求
-            if (!song.playMusicUrl) {
-              return await getSongDetail(song);
-            }
-            return song;
-          } catch (error) {
-            console.error('获取歌曲详情失败:', error);
-            return song;
-          }
-        })
-      );
-
-      // 加载下一首的歌词
-      const nextSong = detailedSongs[0];
-      if (nextSong && !(nextSong.lyric && nextSong.lyric.lrcTimeArray.length > 0)) {
-        try {
-          nextSong.lyric = await loadLrc(nextSong.id);
-        } catch (error) {
-          console.error('加载歌词失败:', error);
-        }
-      }
-
-      // 更新播放列表中的歌曲详情
-      detailedSongs.forEach((song, index) => {
-        if (song && startIndex + index < state.playList.length) {
-          state.playList[startIndex + index] = song;
-        }
-      });
-
-      // 只预加载下一首歌曲
-      if (nextSong && nextSong.playMusicUrl) {
-        preloadNextSong(nextSong.playMusicUrl);
-      }
-    } catch (error) {
-      console.error('获取歌曲列表失败:', error);
-    }
-  };
-
-  const nextPlay = async (state: any) => {
-    if (state.playList.length === 0) {
-      state.play = true;
-      return;
-    }
-
-    let playListIndex: number;
-
-    if (state.playMode === 2) {
-      // 随机播放模式
-      do {
-        playListIndex = Math.floor(Math.random() * state.playList.length);
-      } while (playListIndex === state.playListIndex && state.playList.length > 1);
-    } else {
-      // 列表循环模式
-      playListIndex = (state.playListIndex + 1) % state.playList.length;
-    }
-
-    state.playListIndex = playListIndex;
-    await handlePlayMusic(state, state.playList[playListIndex]);
-  };
-
-  const prevPlay = async (state: any) => {
-    if (state.playList.length === 0) {
-      state.play = true;
-      return;
-    }
-    const playListIndex = (state.playListIndex - 1 + state.playList.length) % state.playList.length;
-    await handlePlayMusic(state, state.playList[playListIndex]);
-    await fetchSongs(state, playListIndex - 5, playListIndex);
-  };
-
-  const parseTime = (timeString: string): number => {
-    const [minutes, seconds] = timeString.split(':');
-    return Number(minutes) * 60 + Number(seconds);
-  };
-
-  const parseLyricLine = (lyricLine: string): { time: number; text: string } => {
-    const TIME_REGEX = /(\d{2}:\d{2}(\.\d*)?)/g;
-    const LRC_REGEX = /(\[(\d{2}):(\d{2})(\.(\d*))?\])/g;
-    const timeText = lyricLine.match(TIME_REGEX)?.[0] || '';
-    const time = parseTime(timeText);
-    const text = lyricLine.replace(LRC_REGEX, '').trim();
-    return { time, text };
-  };
-
-  const parseLyrics = (lyricsString: string): { lyrics: ILyricText[]; times: number[] } => {
-    const lines = lyricsString.split('\n');
-    const lyrics: ILyricText[] = [];
-    const times: number[] = [];
-    lines.forEach((line) => {
-      const { time, text } = parseLyricLine(line);
-      times.push(time);
-      lyrics.push({ text, trText: '' });
-    });
-    return { lyrics, times };
-  };
-
-  const loadLrc = async (playMusicId: number): Promise<ILyric> => {
-    try {
-      const { data } = await getMusicLrc(playMusicId);
-      const { lyrics, times } = parseLyrics(data.lrc.lyric);
-      const tlyric: Record<string, string> = {};
-
-      if (data.tlyric && data.tlyric.lyric) {
-        const { lyrics: tLyrics, times: tTimes } = parseLyrics(data.tlyric.lyric);
-        tLyrics.forEach((lyric, index) => {
-          tlyric[tTimes[index].toString()] = lyric.text;
-        });
-      }
-
-      lyrics.forEach((item, index) => {
-        item.trText = item.text ? tlyric[times[index].toString()] || '' : '';
-      });
-      return {
-        lrcTimeArray: times,
-        lrcArray: lyrics
-      };
-    } catch (err) {
-      console.error('Error loading lyrics:', err);
-      return {
-        lrcTimeArray: [],
-        lrcArray: []
-      };
-    }
-  };
-
-  // 异步加载歌词的方法
-  const loadLrcAsync = async (state: any, playMusicId: any) => {
-    if (state.playMusic.lyric && state.playMusic.lyric.lrcTimeArray.length > 0) {
-      return;
-    }
-    const lyrics = await loadLrc(playMusicId);
-    state.playMusic.lyric = lyrics;
-  };
-
-  const play = () => {
-    audioService.getCurrentSound()?.play();
-  };
-
-  const pause = () => {
-    audioService.getCurrentSound()?.pause();
-  };
-
-  // 在组件卸载时清理预加载的音频
-  onUnmounted(() => {
-    preloadingSounds.value.forEach((sound) => sound.unload());
-    preloadingSounds.value = [];
-  });
-
-  return {
-    handlePlayMusic,
-    nextPlay,
-    prevPlay,
-    play,
-    pause
-  };
-};
diff --git a/src/renderer/store/modules/player.ts b/src/renderer/store/modules/player.ts
index 5da47e7..0883e83 100644
--- a/src/renderer/store/modules/player.ts
+++ b/src/renderer/store/modules/player.ts
@@ -14,6 +14,7 @@ import { type Platform } from '@/types/music';
 import { getImgUrl } from '@/utils';
 import { hasPermission } from '@/utils/auth';
 import { getImageLinearBackground } from '@/utils/linearColor';
+import { parseLyrics as parseYrcLyrics } from '@/utils/yrcParser';
 
 import { useSettingsStore } from './settings';
 import { useUserStore } from './user';
@@ -207,30 +208,56 @@ export const getSongUrl = async (
   }
 };
 
-const parseTime = (timeString: string): number => {
-  const [minutes, seconds] = timeString.split(':');
-  return Number(minutes) * 60 + Number(seconds);
-};
-
-const parseLyricLine = (lyricLine: string): { time: number; text: string } => {
-  const TIME_REGEX = /(\d{2}:\d{2}(\.\d*)?)/g;
-  const LRC_REGEX = /(\[(\d{2}):(\d{2})(\.(\d*))?\])/g;
-  const timeText = lyricLine.match(TIME_REGEX)?.[0] || '';
-  const time = parseTime(timeText);
-  const text = lyricLine.replace(LRC_REGEX, '').trim();
-  return { time, text };
-};
-
+/**
+ * 使用新的yrcParser解析歌词
+ * @param lyricsString 歌词字符串
+ * @returns 解析后的歌词数据
+ */
 const parseLyrics = (lyricsString: string): { lyrics: ILyricText[]; times: number[] } => {
-  const lines = lyricsString.split('\n');
-  const lyrics: ILyricText[] = [];
-  const times: number[] = [];
-  lines.forEach((line) => {
-    const { time, text } = parseLyricLine(line);
-    times.push(time);
-    lyrics.push({ text, trText: '' });
-  });
-  return { lyrics, times };
+  if (!lyricsString || typeof lyricsString !== 'string') {
+    return { lyrics: [], times: [] };
+  }
+
+  try {
+    const parseResult = parseYrcLyrics(lyricsString);
+
+    if (!parseResult.success) {
+      console.error('歌词解析失败:', parseResult.error.message);
+      return { lyrics: [], times: [] };
+    }
+
+    const { lyrics: parsedLyrics } = parseResult.data;
+    const lyrics: ILyricText[] = [];
+    const times: number[] = [];
+
+    for (const line of parsedLyrics) {
+      // 检查是否有逐字歌词
+      const hasWords = line.words && line.words.length > 0;
+
+      lyrics.push({
+        text: line.fullText,
+        trText: '', // 翻译文本稍后处理
+        words: hasWords
+          ? line.words.map((word) => ({
+              text: word.text,
+              startTime: word.startTime,
+              duration: word.duration
+            }))
+          : undefined,
+        hasWordByWord: hasWords,
+        startTime: line.startTime,
+        duration: line.duration
+      });
+
+      // 时间数组使用秒为单位（与原有逻辑保持一致）
+      times.push(line.startTime / 1000);
+    }
+
+    return { lyrics, times };
+  } catch (error) {
+    console.error('解析歌词时发生错误:', error);
+    return { lyrics: [], times: [] };
+  }
 };
 
 export const loadLrc = async (id: string | number): Promise<ILyric> => {
@@ -238,16 +265,26 @@ export const loadLrc = async (id: string | number): Promise<ILyric> => {
     console.log('B站音频，无需加载歌词');
     return {
       lrcTimeArray: [],
-      lrcArray: []
+      lrcArray: [],
+      hasWordByWord: false
     };
   }
 
   try {
     const numericId = typeof id === 'string' ? parseInt(id, 10) : id;
     const { data } = await getMusicLrc(numericId);
-    const { lyrics, times } = parseLyrics(data.lrc.lyric);
+    const { lyrics, times } = parseLyrics(data?.yrc?.lyric || data?.lrc?.lyric);
     const tlyric: Record<string, string> = {};
 
+    // 检查是否有逐字歌词
+    let hasWordByWord = false;
+    for (const lyric of lyrics) {
+      if (lyric.hasWordByWord) {
+        hasWordByWord = true;
+        break;
+      }
+    }
+
     if (data.tlyric && data.tlyric.lyric) {
       const { lyrics: tLyrics, times: tTimes } = parseLyrics(data.tlyric.lyric);
       tLyrics.forEach((lyric, index) => {
@@ -258,15 +295,18 @@ export const loadLrc = async (id: string | number): Promise<ILyric> => {
     lyrics.forEach((item, index) => {
       item.trText = item.text ? tlyric[times[index].toString()] || '' : '';
     });
+
     return {
       lrcTimeArray: times,
-      lrcArray: lyrics
+      lrcArray: lyrics,
+      hasWordByWord
     };
   } catch (err) {
     console.error('Error loading lyrics:', err);
     return {
       lrcTimeArray: [],
-      lrcArray: []
+      lrcArray: [],
+      hasWordByWord: false
     };
   }
 };
@@ -275,7 +315,6 @@ const getSongDetail = async (playMusic: SongResult) => {
   // playMusic.playLoading 在 handlePlayMusic 中已设置，这里不再设置
 
   if (playMusic.source === 'bilibili') {
-    console.log('处理B站音频详情');
     try {
       // 如果需要获取URL
       if (!playMusic.playMusicUrl && playMusic.bilibiliData) {
diff --git a/src/renderer/types/music.ts b/src/renderer/types/music.ts
index 67112e0..b279870 100644
--- a/src/renderer/types/music.ts
+++ b/src/renderer/types/music.ts
@@ -9,13 +9,27 @@ export interface IRecommendMusic {
   category: number;
   result: SongResult[];
 }
+// 逐字歌词单词数据
+export interface IWordData {
+  text: string;
+  startTime: number;
+  duration: number;
+}
+
 export interface ILyricText {
   text: string;
   trText: string;
+  words?: IWordData[];
+  hasWordByWord?: boolean;
+  startTime?: number;
+  duration?: number;
 }
+
 export interface ILyric {
   lrcTimeArray: number[];
   lrcArray: ILyricText[];
+  // 新增字段标识是否包含逐字歌词
+  hasWordByWord?: boolean;
 }
 
 export interface SongResult {
diff --git a/src/renderer/utils/yrcParser.ts b/src/renderer/utils/yrcParser.ts
new file mode 100644
index 0000000..d4314f7
--- /dev/null
+++ b/src/renderer/utils/yrcParser.ts
@@ -0,0 +1,388 @@
+/**
+ * 歌词单词数据接口
+ */
+export interface WordData {
+  /** 单词文本内容 */
+  readonly text: string;
+  /** 开始时间（毫秒） */
+  readonly startTime: number;
+  /** 持续时间（毫秒） */
+  readonly duration: number;
+}
+
+/**
+ * 歌词行数据接口
+ */
+export interface LyricLine {
+  /** 行开始时间（毫秒） */
+  readonly startTime: number;
+  /** 行持续时间（毫秒） */
+  readonly duration: number;
+  /** 完整文本内容 */
+  readonly fullText: string;
+  /** 单词数组 */
+  readonly words: readonly WordData[];
+}
+
+/**
+ * 元数据接口
+ */
+export interface MetaData {
+  /** 时间戳 */
+  readonly time: number;
+  /** 内容 */
+  readonly content: string;
+}
+
+/**
+ * 解析结果接口
+ */
+export interface ParsedLyrics {
+  /** 元数据数组 */
+  readonly metadata: readonly MetaData[];
+  /** 歌词行数组 */
+  readonly lyrics: readonly LyricLine[];
+}
+
+/**
+ * 自定义解析错误类
+ */
+export class LyricParseError extends Error {
+  constructor(
+    message: string,
+    public readonly line?: string
+  ) {
+    super(message);
+    this.name = 'LyricParseError';
+  }
+}
+
+/**
+ * 解析结果类型
+ */
+export type ParseResult<T> =
+  | { success: true; data: T }
+  | { success: false; error: LyricParseError };
+
+// 预编译正则表达式以提高性能
+const METADATA_PATTERN = /^\{"t":/;
+const LINE_TIME_PATTERN = /^\[(\d+),(\d+)\](.+)$/; // 逐字歌词格式: [92260,4740]...
+const LRC_TIME_PATTERN = /^\[(\d{2}):(\d{2})\.(\d{2,3})\](.*)$/; // 标准LRC格式: [00:25.47]...
+const WORD_PATTERN = /\((\d+),(\d+),\d+\)([^(]*?)(?=\(|$)/g;
+
+/**
+ * 时间格式化函数
+ * @param ms 毫秒数
+ * @returns 格式化的时间字符串
+ */
+export const formatTime = (ms: number): string => {
+  const minutes = Math.floor(ms / 60000);
+  const seconds = Math.floor((ms % 60000) / 1000);
+  const milliseconds = ms % 1000;
+  return `${minutes.toString().padStart(2, '0')}:${seconds.toString().padStart(2, '0')}.${milliseconds.toString().padStart(3, '0')}`;
+};
+
+/**
+ * 解析元数据行
+ * @param line 元数据行字符串
+ * @returns 解析结果
+ */
+const parseMetadata = (line: string): ParseResult<MetaData> => {
+  try {
+    const data = JSON.parse(line);
+
+    // 类型守卫：检查数据结构
+    if (typeof data !== 'object' || data === null) {
+      return {
+        success: false,
+        error: new LyricParseError('元数据格式无效：不是有效的对象', line)
+      };
+    }
+
+    if (typeof data.t !== 'number' || !Array.isArray(data.c)) {
+      return {
+        success: false,
+        error: new LyricParseError('元数据格式无效：缺少必要字段', line)
+      };
+    }
+
+    const content = data.c
+      .filter((item: any) => item && typeof item.tx === 'string')
+      .map((item: any) => item.tx)
+      .join('');
+
+    return {
+      success: true,
+      data: {
+        time: data.t,
+        content
+      }
+    };
+  } catch (error) {
+    return {
+      success: false,
+      error: new LyricParseError(
+        `JSON解析失败: ${error instanceof Error ? error.message : '未知错误'}`,
+        line
+      )
+    };
+  }
+};
+
+/**
+ * 解析标准LRC格式的歌词行
+ * @param line 歌词行字符串
+ * @returns 解析结果
+ */
+const parseLrcLine = (line: string): ParseResult<LyricLine> => {
+  const lrcMatch = line.match(LRC_TIME_PATTERN);
+  if (!lrcMatch) {
+    return {
+      success: false,
+      error: new LyricParseError('LRC歌词行格式无效：无法匹配时间信息', line)
+    };
+  }
+
+  const minutes = parseInt(lrcMatch[1], 10);
+  const seconds = parseInt(lrcMatch[2], 10);
+  const milliseconds = parseInt(lrcMatch[3].padEnd(3, '0'), 10); // 处理2位或3位毫秒
+  const text = lrcMatch[4].trim();
+
+  // 验证时间值
+  if (
+    isNaN(minutes) ||
+    isNaN(seconds) ||
+    isNaN(milliseconds) ||
+    minutes < 0 ||
+    seconds < 0 ||
+    milliseconds < 0 ||
+    seconds >= 60
+  ) {
+    return {
+      success: false,
+      error: new LyricParseError('LRC歌词行格式无效：时间值无效', line)
+    };
+  }
+
+  const startTime = minutes * 60000 + seconds * 1000 + milliseconds;
+
+  return {
+    success: true,
+    data: {
+      startTime,
+      duration: 0, // LRC格式没有持续时间信息
+      fullText: text,
+      words: [] // LRC格式没有逐字信息
+    }
+  };
+};
+
+/**
+ * 解析逐字歌词行
+ * @param line 歌词行字符串
+ * @returns 解析结果
+ */
+const parseWordByWordLine = (line: string): ParseResult<LyricLine> => {
+  // 使用预编译的正则表达式
+  const lineTimeMatch = line.match(LINE_TIME_PATTERN);
+  if (!lineTimeMatch) {
+    return {
+      success: false,
+      error: new LyricParseError('逐字歌词行格式无效：无法匹配时间信息', line)
+    };
+  }
+
+  const startTime = parseInt(lineTimeMatch[1], 10);
+  const duration = parseInt(lineTimeMatch[2], 10);
+  const content = lineTimeMatch[3];
+
+  // 验证时间值
+  if (isNaN(startTime) || isNaN(duration) || startTime < 0 || duration < 0) {
+    return {
+      success: false,
+      error: new LyricParseError('逐字歌词行格式无效：时间值无效', line)
+    };
+  }
+
+  // 重置正则表达式状态
+  WORD_PATTERN.lastIndex = 0;
+
+  const words: WordData[] = [];
+  const textParts: string[] = [];
+  let match: RegExpExecArray | null;
+
+  // 使用exec而不是matchAll以更好地控制性能
+  while ((match = WORD_PATTERN.exec(content)) !== null) {
+    const wordStartTime = parseInt(match[1], 10);
+    const wordDuration = parseInt(match[2], 10);
+    const wordText = match[3].trim();
+
+    // 验证单词数据
+    if (isNaN(wordStartTime) || isNaN(wordDuration)) {
+      continue; // 跳过无效的单词数据
+    }
+
+    if (wordText) {
+      words.push({
+        text: wordText,
+        startTime: wordStartTime,
+        duration: wordDuration
+      });
+      textParts.push(wordText);
+    }
+  }
+
+  return {
+    success: true,
+    data: {
+      startTime,
+      duration,
+      fullText: textParts.join(' '),
+      words
+    }
+  };
+};
+
+/**
+ * 解析歌词行（自动检测格式）
+ * @param line 歌词行字符串
+ * @returns 解析结果
+ */
+const parseLyricLine = (line: string): ParseResult<LyricLine> => {
+  // 首先尝试解析逐字歌词格式
+  if (LINE_TIME_PATTERN.test(line)) {
+    return parseWordByWordLine(line);
+  }
+
+  // 然后尝试解析标准LRC格式
+  if (LRC_TIME_PATTERN.test(line)) {
+    return parseLrcLine(line);
+  }
+
+  return {
+    success: false,
+    error: new LyricParseError('歌词行格式无效：不匹配任何已知格式', line)
+  };
+};
+
+/**
+ * 计算LRC格式歌词的持续时间
+ * @param lyrics 歌词行数组
+ * @returns 更新持续时间后的歌词行数组
+ */
+const calculateLrcDurations = (lyrics: LyricLine[]): LyricLine[] => {
+  if (lyrics.length === 0) return lyrics;
+
+  const updatedLyrics: LyricLine[] = [];
+
+  for (let i = 0; i < lyrics.length; i++) {
+    const currentLine = lyrics[i];
+
+    // 如果已经有持续时间（逐字歌词），直接使用
+    if (currentLine.duration > 0) {
+      updatedLyrics.push(currentLine);
+      continue;
+    }
+
+    // 计算LRC格式的持续时间
+    let duration = 0;
+    if (i < lyrics.length - 1) {
+      // 使用下一行的开始时间减去当前行的开始时间
+      duration = lyrics[i + 1].startTime - currentLine.startTime;
+    } else {
+      // 最后一行，使用默认持续时间（3秒）
+      duration = 3000;
+    }
+
+    // 确保持续时间不为负数
+    duration = Math.max(duration, 0);
+
+    updatedLyrics.push({
+      ...currentLine,
+      duration
+    });
+  }
+
+  return updatedLyrics;
+};
+
+/**
+ * 主解析函数
+ * @param lyricsStr 歌词字符串
+ * @returns 解析结果
+ */
+export const parseLyrics = (lyricsStr: string): ParseResult<ParsedLyrics> => {
+  if (typeof lyricsStr !== 'string') {
+    return {
+      success: false,
+      error: new LyricParseError('输入参数必须是字符串')
+    };
+  }
+
+  try {
+    const lines = lyricsStr.trim().split('\n');
+    const metadata: MetaData[] = [];
+    const lyrics: LyricLine[] = [];
+    const errors: LyricParseError[] = [];
+
+    for (let i = 0; i < lines.length; i++) {
+      const trimmedLine = lines[i].trim();
+      if (!trimmedLine) continue;
+
+      // 使用预编译正则表达式进行快速检测
+      if (METADATA_PATTERN.test(trimmedLine)) {
+        const result = parseMetadata(trimmedLine);
+        if (result.success) {
+          metadata.push(result.data);
+        } else {
+          errors.push(result.error);
+        }
+      } else if (trimmedLine.startsWith('[')) {
+        const result = parseLyricLine(trimmedLine);
+        if (result.success) {
+          lyrics.push(result.data);
+        } else {
+          errors.push(result.error);
+        }
+      } else {
+        errors.push(new LyricParseError(`第${i + 1}行：无法识别的行格式`, trimmedLine));
+      }
+    }
+
+    // 如果有太多错误，可能整个文件格式有问题
+    if (errors.length > 0 && errors.length > lines.length * 0.5) {
+      return {
+        success: false,
+        error: new LyricParseError(
+          `解析失败：错误行数过多 (${errors.length}/${lines.length})，可能文件格式不正确 ${JSON.stringify(errors)}`
+        )
+      };
+    }
+
+    // 按时间排序歌词行
+    lyrics.sort((a, b) => a.startTime - b.startTime);
+
+    // 计算LRC格式的持续时间
+    const finalLyrics = calculateLrcDurations(lyrics);
+
+    return {
+      success: true,
+      data: {
+        metadata,
+        lyrics: finalLyrics
+      }
+    };
+  } catch (error) {
+    return {
+      success: false,
+      error: new LyricParseError(
+        `解析过程中发生错误: ${error instanceof Error ? error.message : '未知错误'}`
+      )
+    };
+  }
+};
+
+/**
+ * 导出默认解析函数（向后兼容）
+ */
+export default parseLyrics;