修复原始歌词存在偏移时，歌词偏移设置的重置未按预期工作的问题

src/renderer/components/core/PlayDetail/LyricPlayer.vue

@@ -78,12 +78,14 @@ export default {
       lyric: '',
       tlyric: '',
       lxlyric: '',
+      rawlyric: '',
       musicInfo: null,
     })
     const updateMusicInfo = () => {
       lyricInfo.lyric = playerMusicInfo.lrc
       lyricInfo.tlyric = playerMusicInfo.tlrc
       lyricInfo.lxlyric = playerMusicInfo.lxlrc
+      lyricInfo.rawlyric = playerMusicInfo.rawlrc
       lyricInfo.musicInfo = musicInfoItem.value
     }
     const handleShowLyricMenu = event => {
@@ -98,7 +100,7 @@ export default {
         tlrc: tlyric,
         lxlrc: lxlyric,
       })
-      console.log(offset)
+      // console.log(offset)
       window.eventHub.emit(eventPlayerNames.updateLyricOffset, offset)
     }
 

src/renderer/components/core/PlayDetail/components/LyricMenu.vue

@@ -29,7 +29,7 @@
     <div :class="$style.group">
       <div :class="$style.subGroup">
         <div :class="$style.title">{{$t('lyric_menu__offset', { offset })}}</div>
-        <button :class="[$style.btn, $style.titleBtn]" :disabled="offsetDisabled || !offset" @click="offsetReset">{{$t('lyric_menu__offset_reset')}}</button>
+        <button :class="[$style.btn, $style.titleBtn]" :disabled="offsetDisabled || offset == originOffset" @click="offsetReset">{{$t('lyric_menu__offset_reset')}}</button>
       </div>
       <div :class="$style.subGroup">
         <button :class="$style.btn" :disabled="offsetDisabled" @click="setOffset(10)" ignore-tip :aria-label="$t('lyric_menu__offset_add_10')">+ 10ms</button>
@@ -59,6 +59,15 @@ const removeLyric = debounce(musicInfo => {
   removeLyricEdited(musicInfo)
 })
 
+const getOffset = lrc => {
+  let offset = offsetTagRxp.exec(lrc)
+  if (offset) {
+    offset = parseInt(offset[1])
+    if (Number.isNaN(offset)) offset = 0
+  } else offset = 0
+  return offset
+}
+
 export default {
   name: 'LyricMenu',
   props: {
@@ -75,6 +84,7 @@ export default {
 
     const offset = ref(0)
     const offsetDisabled = ref(true)
+    const originOffset = ref(0)
 
     const visible = computed(() => props.modelValue)
     const musicInfo = computed(() => props.lyricInfo.musicInfo)
@@ -115,13 +125,15 @@ export default {
         if (lxlyric) lxlyric = `[offset:${offset}]\n` + lxlyric
       }
 
-      if (offset) {
+      if (offset == originOffset.value) {
+        removeLyric(props.lyricInfo.musicInfo)
+      } else {
         saveLyric(props.lyricInfo.musicInfo, {
           lyric,
           tlyric,
           lxlyric,
         })
-      } else removeLyric(props.lyricInfo.musicInfo)
+      }
 
       emit('updateLyric', {
         lyric,
@@ -135,25 +147,15 @@ export default {
       updateLyric(offset.value)
     }
     const offsetReset = () => {
-      if (!offset.value) return
-      offset.value = 0
-      updateLyric(0)
+      if (offset.value == originOffset.value) return
+      offset.value = originOffset.value
+      updateLyric(originOffset.value)
     }
 
     const parseLrcOffset = () => {
-      let lrcOffset
-      if (props.lyricInfo.lyric) {
-        lrcOffset = offsetTagRxp.exec(props.lyricInfo.lyric)
-        if (lrcOffset) {
-          lrcOffset = parseInt(lrcOffset[1])
-          if (Number.isNaN(lrcOffset)) lrcOffset = 0
-        } else lrcOffset = 0
-        offsetDisabled.value = false
-      } else {
-        offsetDisabled.value = true
-        lrcOffset = 0
-      }
-      offset.value = lrcOffset
+      offset.value = getOffset(props.lyricInfo.lyric)
+      originOffset.value = getOffset(props.lyricInfo.rawlyric)
+      offsetDisabled.value = !props.lyricInfo.lyric
     }
 
 
@@ -177,6 +179,7 @@ export default {
       menuStyles,
       playDetailSetting,
       offset,
+      originOffset,
       fontSizeUp,
       fontSizeDown,
       fontSizeReset,