diff --git a/src/data/adapters/backendExplainDataAdapter.ts b/src/data/adapters/backendExplainDataAdapter.ts
index f2eda6b..15f2e33 100644
--- a/src/data/adapters/backendExplainDataAdapter.ts
+++ b/src/data/adapters/backendExplainDataAdapter.ts
@@ -78,6 +78,7 @@ export interface BackendHall {
   stopCount?: number | null
   linkedExhibitCount?: number | null
   audioReadyStopCount?: number | null
+  audioOptionCount?: number | null
   hasAudio?: boolean | null
   audioStatus?: string | null
   supportedLanguages?: string[] | null
@@ -158,6 +159,7 @@ export interface BackendCatalogStopItem {
   hasAudio?: boolean | null
   audioStatus?: string | null
   supportedLanguages?: string[] | null
+  audioOptionCount?: number | null
   hasTextRecord?: boolean | null
   playTargetType?: string | null
   playTargetId?: string | number | null
@@ -287,6 +289,7 @@ export const toCatalogHall = (
     stopCount: normalizeNumber(source.stopCount),
     linkedExhibitCount: normalizeNumber(source.linkedExhibitCount),
     audioReadyStopCount: normalizeNumber(source.audioReadyStopCount),
+    audioOptionCount: normalizeNumber(source.audioOptionCount),
     hasAudio: source.hasAudio === true,
     audioStatus: normalizeCatalogAudioStatus(source.audioStatus),
     supportedLanguages: normalizeSupportedLanguages(source.supportedLanguages),
@@ -359,6 +362,7 @@ export const toCatalogGuideStop = (
     hasAudio: source.hasAudio === true,
     audioStatus: normalizeCatalogAudioStatus(source.audioStatus),
     supportedLanguages: normalizeSupportedLanguages(source.supportedLanguages),
+    audioOptionCount: normalizeNumber(source.audioOptionCount),
     hasTextRecord: source.hasTextRecord === true,
     poiId: stringifyId(source.poiId) || undefined,
     mapX: normalizeNumber(source.mapX),
diff --git a/src/data/adapters/guideStopInfoAdapter.ts b/src/data/adapters/guideStopInfoAdapter.ts
index 1e3f3ba..d2da604 100644
--- a/src/data/adapters/guideStopInfoAdapter.ts
+++ b/src/data/adapters/guideStopInfoAdapter.ts
@@ -6,6 +6,7 @@ import {
 } from '@/utils/publicUrl'
 
 export type GuideAudioLanguage = 'zh-CN' | 'yue-HK' | 'en-US'
+export type GuideAudioVoiceGender = 'female' | 'male'
 
 export interface BackendGuideStopLinkedExhibit {
   id?: string | number | null
@@ -42,12 +43,26 @@ export interface BackendGuideStopInfo {
   hasText?: boolean
   supportedLanguages?: string[] | null
   audioStatus?: string | null
+  audioOptions?: BackendGuideStopAudioOption[] | null
   languageVariants?: BackendGuideStopLanguageVariant[] | null
   reason?: string | null
   linkedExhibitCount?: number | string | null
   isSharedStop?: boolean | null
 }
 
+export interface BackendGuideStopAudioOption {
+  channelCode?: string | null
+  displayName?: string | null
+  languageCode?: string | null
+  languageName?: string | null
+  gender?: string | null
+  playUrl?: string | null
+  duration?: number | string | null
+  format?: string | null
+  isDefault?: boolean | null
+  sortOrder?: number | string | null
+}
+
 export interface BackendGuideStopLanguageVariant {
   lang?: string | null
   enabled?: boolean | null
@@ -129,6 +144,19 @@ export interface GuideStopLanguageVariant {
   reason?: string
 }
 
+export interface GuideStopAudioOption {
+  channelCode: string
+  displayName: string
+  languageCode: GuideAudioLanguage
+  languageName?: string
+  gender: GuideAudioVoiceGender
+  playUrl: string
+  duration?: number
+  format?: string
+  isDefault: boolean
+  sortOrder?: number
+}
+
 export interface GuideStopInfo {
   available: boolean
   targetType: AudioPlayTargetType
@@ -151,6 +179,7 @@ export interface GuideStopInfo {
   hasAudio: boolean
   hasText: boolean
   supportedLanguages: GuideAudioLanguage[]
+  audioOptions: GuideStopAudioOption[]
   languageVariants: Record<GuideAudioLanguage, GuideStopLanguageVariant>
   audioStatus: 'READY' | 'MISSING' | string
   reason?: string
@@ -264,12 +293,57 @@ const normalizeLanguageVariants = (
   return normalizedVariants
 }
 
+const normalizeVoiceGender = (value: string | null | undefined): GuideAudioVoiceGender | undefined => {
+  const normalized = value?.trim().toLowerCase()
+  return normalized === 'female' || normalized === 'male' ? normalized : undefined
+}
+
+const normalizeAudioOptions = (
+  options: BackendGuideStopAudioOption[] | null | undefined
+): GuideStopAudioOption[] => (
+  (options || [])
+    .map<GuideStopAudioOption | null>((option) => {
+      if (!isSupportedGuideAudioLanguage(option.languageCode)) return null
+
+      const channelCode = option.channelCode?.trim()
+      const gender = normalizeVoiceGender(option.gender)
+      const playUrl = normalizeSameOriginPublicUrl(option.playUrl) || undefined
+      if (!channelCode || !gender || !playUrl) return null
+
+      const languageCode = normalizeGuideAudioLanguage(option.languageCode)
+      const displayName = option.displayName?.trim()
+        || `${languageCode === 'en-US' ? '英文' : languageCode === 'yue-HK' ? '粤语' : '普通话'}${gender === 'female' ? '女声' : '男声'}`
+
+      return {
+        channelCode,
+        displayName,
+        languageCode,
+        languageName: option.languageName?.trim() || undefined,
+        gender,
+        playUrl,
+        duration: normalizeNumber(option.duration),
+        format: option.format?.trim() || undefined,
+        isDefault: option.isDefault === true,
+        sortOrder: normalizeNumber(option.sortOrder)
+      }
+    })
+    .filter(Boolean)
+    .sort((left, right) => (
+      (left!.sortOrder ?? Number.MAX_SAFE_INTEGER) - (right!.sortOrder ?? Number.MAX_SAFE_INTEGER)
+        || left!.channelCode.localeCompare(right!.channelCode)
+    )) as GuideStopAudioOption[]
+)
+
 const supportedLanguagesFromVariants = (variants: Record<GuideAudioLanguage, GuideStopLanguageVariant>) => (
   (Object.values(variants) as GuideStopLanguageVariant[])
     .filter((variant) => variant.enabled && (variant.playable || variant.textAvailable))
     .map((variant) => variant.lang)
 )
 
+const supportedLanguagesFromAudioOptions = (audioOptions: GuideStopAudioOption[]) => (
+  Array.from(new Set(audioOptions.map((option) => option.languageCode)))
+)
+
 const parseGalleryUrls = (value: BackendGuideStopInfo['galleryUrls'] | BackendGuideStopLinkedExhibit['galleryUrls']) => {
   if (!value) return []
   if (Array.isArray(value)) {
@@ -337,7 +411,10 @@ export const toGuideStopInfo = (
     ? normalizeSameOriginPublicUrl(source.coverImageUrl) || undefined
     : undefined
   const languageVariants = normalizeLanguageVariants(source.languageVariants)
-  const supportedLanguages = supportedLanguagesFromVariants(languageVariants)
+  const audioOptions = normalizeAudioOptions(source.audioOptions)
+  const supportedLanguages = audioOptions.length
+    ? supportedLanguagesFromAudioOptions(audioOptions)
+    : supportedLanguagesFromVariants(languageVariants)
 
   return {
     available: source.available === true,
@@ -363,6 +440,7 @@ export const toGuideStopInfo = (
     supportedLanguages: supportedLanguages.length
       ? supportedLanguages
       : normalizeSupportedLanguages(source.supportedLanguages),
+    audioOptions,
     languageVariants,
     audioStatus: source.audioStatus || 'MISSING',
     reason: source.reason || undefined,
diff --git a/src/domain/museum.ts b/src/domain/museum.ts
index fe021f7..f58d713 100644
--- a/src/domain/museum.ts
+++ b/src/domain/museum.ts
@@ -139,11 +139,27 @@ export interface MuseumHall {
   hasAudio?: boolean
   audioStatus?: string
   supportedLanguages?: string[]
+  audioOptionCount?: number
   area?: string
   poiId?: string
   location?: GuideLocationResolution
 }
 
+export type MuseumAudioVoiceGender = 'female' | 'male'
+
+export interface MuseumAudioOption {
+  channelCode: string
+  displayName: string
+  languageCode: string
+  languageName?: string
+  gender: MuseumAudioVoiceGender
+  audioUrl: string
+  duration?: number
+  format?: string
+  isDefault: boolean
+  sortOrder?: number
+}
+
 export interface MuseumExhibit {
   id: string
   name: string
@@ -179,6 +195,10 @@ export interface MuseumExhibit {
   audioAvailable?: boolean
   audioStatus?: string
   supportedLanguages?: string[]
+  audioOptions?: MuseumAudioOption[]
+  audioChannelCode?: string
+  audioVoiceGender?: MuseumAudioVoiceGender
+  audioVoiceDisplayName?: string
   audioVariants?: Record<string, {
     title?: string
     text?: string
@@ -233,6 +253,7 @@ export interface ExplainGuideStop {
   hasAudio?: boolean
   audioStatus?: string
   supportedLanguages?: string[]
+  audioOptionCount?: number
   hasTextRecord?: boolean
   poiId?: string
   mapX?: number
diff --git a/src/pages/exhibit/detail.vue b/src/pages/exhibit/detail.vue
index f732202..9358f6f 100644
--- a/src/pages/exhibit/detail.vue
+++ b/src/pages/exhibit/detail.vue
@@ -104,6 +104,16 @@
             <text class="detail-audio-title">{{ audioDockTitle }}</text>
             <text class="detail-audio-subtitle">{{ audioDockSubtitle }}</text>
           </view>
+          <button
+            v-if="voiceOptionsForCurrentLanguage.length"
+            class="detail-audio-voice"
+            :class="{ disabled: voiceSwitchLoading || !canSelectAudioVoice }"
+            :disabled="voiceSwitchLoading || !canSelectAudioVoice"
+            :aria-label="canSelectAudioVoice ? `选择讲解声线，当前${currentVoiceLabel}` : `当前仅支持${currentVoiceLabel}`"
+            @tap.stop="handleVoiceSelection"
+          >
+            <text>{{ currentVoiceLabel }}</text>
+          </button>
           <button
             v-if="audioDockState === 'playable'"
             class="detail-audio-rate"
@@ -226,6 +236,7 @@ const activeTopTab = ref<GuideTopTab>('explain')
 const resolvedHallId = ref('')
 const retryingAudio = ref(false)
 const languageSwitchLoading = ref(false)
+const voiceSwitchLoading = ref(false)
 const selectedAudioLanguage = ref<AudioLanguage>('zh-CN')
 const detailEntryRequest = ref<{
   exhibitId: string
@@ -277,6 +288,20 @@ const contentLanguageOptions = computed(() => {
   return languageOptionDefinitions.filter((option) => supportedLanguages.includes(option.value))
 })
 
+const voiceOptionsForCurrentLanguage = computed(() => (
+  (detailSource.value?.audioOptions || []).filter((option) => (
+    option.languageCode === selectedAudioLanguage.value && Boolean(option.audioUrl?.trim())
+  ))
+))
+
+const canSelectAudioVoice = computed(() => (
+  new Set(voiceOptionsForCurrentLanguage.value.map((option) => option.gender)).size > 1
+))
+
+const currentVoiceLabel = computed(() => (
+  detailSource.value?.audioVoiceGender === 'male' ? '男声' : '女声'
+))
+
 const resolveSupportedDetailLanguage = (requestedLanguage: AudioLanguage) => {
   const supportedLanguages = supportedDetailLanguages.value
   if (!supportedLanguages.length || supportedLanguages.includes(requestedLanguage)) {
@@ -410,6 +435,7 @@ const isCurrentDetailAudioError = computed(() => {
 })
 const isDetailAudioLoading = computed(() => (
   languageSwitchLoading.value
+  || voiceSwitchLoading.value
   || retryingAudio.value
   || (isCurrentDetailAudioTarget.value && globalAudioPlayer.loading.value)
 ))
@@ -671,6 +697,51 @@ const handleLanguageChange = async (lang: AudioLanguage, options: { syncAudio?:
   }
 }
 
+const selectVoiceOption = async (channelCode: string) => {
+  if (voiceSwitchLoading.value) return
+
+  const source = detailSource.value
+  if (!source) return
+
+  const localizedExhibit = explainUseCase.selectExplainDetailAudioOption(source, channelCode)
+  if (localizedExhibit === source) return
+
+  const shouldRestartAudio = isCurrentDetailAudio.value && globalAudioPlayer.playing.value
+  const shouldCloseAudio = isCurrentDetailAudioTarget.value
+  voiceSwitchLoading.value = true
+
+  try {
+    if (shouldCloseAudio) {
+      globalAudioPlayer.close()
+    }
+
+    detailSource.value = localizedExhibit
+    exhibit.value = toExplainDetailPageViewModel(localizedExhibit)
+
+    if (shouldRestartAudio) {
+      voiceSwitchLoading.value = false
+      await handlePlayAudio()
+    }
+  } finally {
+    voiceSwitchLoading.value = false
+  }
+}
+
+const handleVoiceSelection = () => {
+  const voiceOptions = voiceOptionsForCurrentLanguage.value
+  if (!canSelectAudioVoice.value || voiceSwitchLoading.value) return
+
+  uni.showActionSheet({
+    itemList: voiceOptions.map((option) => option.displayName),
+    success: ({ tapIndex }) => {
+      const selectedOption = voiceOptions[tapIndex]
+      if (selectedOption) {
+        void selectVoiceOption(selectedOption.channelCode)
+      }
+    }
+  })
+}
+
 watch(
   () => globalAudioPlayer.currentSource.value,
   (source) => {
@@ -1270,6 +1341,7 @@ const handleBack = returnToExplainObjectList
   border: 0;
 }
 
+.detail-audio-voice,
 .detail-audio-rate,
 .detail-audio-mute {
   position: absolute;
@@ -1285,6 +1357,36 @@ const handleBack = returnToExplainObjectList
   color: #192d83;
 }
 
+.detail-audio-voice {
+  right: 94px;
+  width: 46px;
+  color: #31524a;
+}
+
+.detail-audio-voice text {
+  width: 42px;
+  height: 30px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  box-sizing: border-box;
+  border: 1px solid #d9ddd6;
+  border-radius: 4px;
+  background: #ffffff;
+  font-size: 12px;
+  line-height: 16px;
+  font-weight: 700;
+}
+
+.detail-audio-voice.disabled {
+  color: #8b918c;
+}
+
+.detail-audio-voice.disabled text {
+  border-color: #e6e7e4;
+  background: #f8f8f7;
+}
+
 .detail-audio-rate {
   right: 50px;
   width: 40px;
@@ -1313,6 +1415,7 @@ const handleBack = returnToExplainObjectList
   color: #7a807a;
 }
 
+.detail-audio-voice::after,
 .detail-audio-rate::after,
 .detail-audio-mute::after {
   border: 0;
@@ -1372,7 +1475,7 @@ const handleBack = returnToExplainObjectList
 }
 
 .detail-audio-dock.is-playable .detail-audio-progress-hit {
-  right: 88px;
+  right: 140px;
 }
 
 .detail-audio-progress.is-indeterminate::after {
diff --git a/src/usecases/explainUseCase.ts b/src/usecases/explainUseCase.ts
index 7655e90..61be451 100644
--- a/src/usecases/explainUseCase.ts
+++ b/src/usecases/explainUseCase.ts
@@ -5,6 +5,7 @@ import type {
   ExplainGuideStopPage,
   ExplainTrack,
   MediaAsset,
+  MuseumAudioOption,
   MuseumExhibit,
   MuseumHall,
   SearchIndexItem
@@ -155,14 +156,36 @@ export class ExplainUseCase {
     return '中文'
   }
 
+  private audioOptionForLanguage(
+    exhibit: MuseumExhibit,
+    language: AudioLanguage
+  ): MuseumAudioOption | undefined {
+    const options = exhibit.audioOptions?.filter((option) => (
+      option.languageCode === language && Boolean(option.audioUrl?.trim())
+    )) || []
+
+    return options.find((option) => option.isDefault) || options[0]
+  }
+
   private applyLanguageVariant(exhibit: MuseumExhibit, language: AudioLanguage): MuseumExhibit {
     const variant = exhibit.audioVariants?.[language]
+    const audioOption = this.audioOptionForLanguage(exhibit, language)
+    const hasAudioOptions = Boolean(exhibit.audioOptions?.length)
     const mandarinText = exhibit.audioVariants?.['zh-CN']?.text
       || exhibit.guideText
       || exhibit.description
     const supportedLanguages = exhibit.supportedLanguages?.length
       ? exhibit.supportedLanguages
-      : exhibit.audioVariants ? Object.keys(exhibit.audioVariants) : [language]
+      : exhibit.audioOptions?.length
+        ? Array.from(new Set(exhibit.audioOptions.map((option) => option.languageCode)))
+        : exhibit.audioVariants ? Object.keys(exhibit.audioVariants) : [language]
+    const legacyPlayable = (variant?.playable ?? variant?.available) === true && Boolean(variant?.audioUrl)
+    const playable = hasAudioOptions ? Boolean(audioOption?.audioUrl) : legacyPlayable
+    const audioUrl = hasAudioOptions ? audioOption?.audioUrl : variant?.audioUrl
+    const audioDuration = hasAudioOptions ? audioOption?.duration : variant?.audioDuration
+    const audioStatus = hasAudioOptions
+      ? playable ? 'READY' : 'MISSING'
+      : variant?.audioStatus || (playable ? 'READY' : 'MISSING')
 
     if (!variant) {
       const label = this.languageLabel(language)
@@ -172,18 +195,20 @@ export class ExplainUseCase {
       return {
         ...exhibit,
         guideText,
-        audioUrl: undefined,
-        audioDuration: undefined,
+        audioUrl,
+        audioDuration,
         audioLanguage: language,
         audioHasText: language === 'yue-HK' && Boolean(mandarinText),
-        audioAvailable: false,
-        audioStatus: 'MISSING',
-        audioUnavailableReason: `当前讲解暂无${label}音频`,
+        audioAvailable: playable,
+        audioStatus,
+        audioUnavailableReason: playable ? undefined : `当前讲解暂无${label}音频`,
+        audioChannelCode: audioOption?.channelCode,
+        audioVoiceGender: audioOption?.gender,
+        audioVoiceDisplayName: audioOption?.displayName,
         supportedLanguages
       }
     }
 
-    const playable = (variant.playable ?? variant.available) === true && Boolean(variant.audioUrl)
     const textAvailable = variant.textAvailable ?? (variant.hasText === true || Boolean(variant.text))
     const guideText = variant.text
       || (language === 'yue-HK' ? mandarinText : undefined)
@@ -193,8 +218,8 @@ export class ExplainUseCase {
       ...exhibit,
       guideTitle: variant.title || exhibit.guideTitle,
       guideText,
-      audioUrl: playable ? variant.audioUrl : undefined,
-      audioDuration: variant.audioDuration,
+      audioUrl: playable ? audioUrl : undefined,
+      audioDuration,
       audioLanguage: language,
       audioHasText: textAvailable,
       audioText: variant.text || undefined,
@@ -202,10 +227,13 @@ export class ExplainUseCase {
       audioTextHash: variant.textHash,
       audioNarrationTier: variant.narrationTier,
       audioAvailable: playable,
-      audioStatus: variant.audioStatus || (playable ? 'READY' : 'MISSING'),
+      audioStatus,
       audioUnavailableReason: playable
         ? undefined
         : audioReasonToText(variant.reason || 'NO_PUBLISHED_AUDIO'),
+      audioChannelCode: audioOption?.channelCode,
+      audioVoiceGender: audioOption?.gender,
+      audioVoiceDisplayName: audioOption?.displayName,
       supportedLanguages
     }
   }
@@ -240,10 +268,20 @@ export class ExplainUseCase {
       fallback: variant.fallback,
       reason: variant.reason
     }]))
-    const currentVariant = audioVariants[stopInfo.lang]
-    const audioAvailable = currentVariant?.playable === true && Boolean(currentVariant.audioUrl)
+    const audioOptions: MuseumAudioOption[] = (stopInfo.audioOptions || []).map((option) => ({
+      channelCode: option.channelCode,
+      displayName: option.displayName,
+      languageCode: option.languageCode,
+      languageName: option.languageName,
+      gender: option.gender,
+      audioUrl: option.playUrl,
+      duration: option.duration,
+      format: option.format,
+      isDefault: option.isDefault,
+      sortOrder: option.sortOrder
+    }))
 
-    return {
+    const exhibit: MuseumExhibit = {
       ...(fallback || {}),
       id: fallback?.id || linkedPrimary?.id || stopInfo.targetId,
       name: stopInfo.title || fallback?.name || linkedPrimary?.name || '讲解内容',
@@ -263,22 +301,16 @@ export class ExplainUseCase {
       size: fallback?.size,
       tags: fallback?.tags,
       guideTitle: stopInfo.title || fallback?.guideTitle,
-      guideText: currentVariant?.text || stopInfo.description || fallback?.guideText || fallback?.description,
-      audioUrl: audioAvailable ? currentVariant?.audioUrl : undefined,
-      audioDuration: currentVariant?.audioDuration,
+      guideText: stopInfo.description || fallback?.guideText || fallback?.description,
+      audioUrl: undefined,
+      audioDuration: undefined,
       audioLanguage: stopInfo.lang,
-      audioHasText: currentVariant?.textAvailable || stopInfo.hasText,
-      audioText: currentVariant?.text,
-      audioTextLength: currentVariant?.textLength,
-      audioTextHash: currentVariant?.textHash,
-      audioNarrationTier: currentVariant?.narrationTier,
-      audioUnavailableReason: audioAvailable
-        ? undefined
-        : audioReasonToText(currentVariant?.reason || stopInfo.reason || (stopInfo.audioStatus === 'MISSING' ? 'NO_PUBLISHED_AUDIO' : undefined)),
-      audioAvailable,
-      audioStatus: currentVariant?.audioStatus || stopInfo.audioStatus,
+      audioHasText: stopInfo.hasText,
+      audioAvailable: false,
+      audioStatus: stopInfo.audioStatus,
       supportedLanguages: stopInfo.supportedLanguages,
       audioVariants,
+      audioOptions,
       imageStatus: stopInfo.imageStatus,
       imageSource: stopInfo.imageSource,
       galleryUrls: stopInfo.imageStatus === 'READY' ? stopInfo.galleryUrls : [],
@@ -291,6 +323,8 @@ export class ExplainUseCase {
       playTargetType: audioTarget.targetType,
       playTargetId: audioTarget.targetId
     }
+
+    return this.applyLanguageVariant(exhibit, stopInfo.lang)
   }
 
   private applyPlayInfo(
@@ -467,6 +501,29 @@ export class ExplainUseCase {
     return this.applyLanguageVariant(exhibit, language)
   }
 
+  selectExplainDetailAudioOption(exhibit: MuseumExhibit, channelCode: string): MuseumExhibit {
+    const language = exhibit.audioLanguage as AudioLanguage | undefined
+    const audioOption = exhibit.audioOptions?.find((option) => (
+      option.channelCode === channelCode
+      && option.languageCode === language
+      && Boolean(option.audioUrl?.trim())
+    ))
+    if (!audioOption) return exhibit
+
+    return {
+      ...exhibit,
+      audioUrl: audioOption.audioUrl,
+      audioDuration: audioOption.duration,
+      audioLanguage: audioOption.languageCode,
+      audioAvailable: true,
+      audioStatus: 'READY',
+      audioUnavailableReason: undefined,
+      audioChannelCode: audioOption.channelCode,
+      audioVoiceGender: audioOption.gender,
+      audioVoiceDisplayName: audioOption.displayName
+    }
+  }
+
   async loadExplainDetailText(exhibit: MuseumExhibit): Promise<ExplainTextSelection> {
     const targetType = exhibit.playTargetType || 'ITEM'
     const targetId = exhibit.playTargetId || exhibit.id
@@ -671,12 +728,12 @@ export class ExplainUseCase {
     const targetType = exhibit.playTargetType || 'ITEM'
     const targetId = exhibit.playTargetId || exhibit.id
 
-    if (!options.refreshPlayInfo && exhibit.audioUrl?.trim()) {
+    if ((!options.refreshPlayInfo || exhibit.audioChannelCode) && exhibit.audioUrl?.trim()) {
       return {
         exhibit,
         track: null,
         media: {
-          id: `static-${targetType}-${targetId}-${exhibit.audioLanguage || dataSourceConfig.audioLanguage}`,
+          id: `static-${exhibit.audioChannelCode || `${targetType}-${targetId}`}-${exhibit.audioLanguage || dataSourceConfig.audioLanguage}`,
           type: 'audio',
           url: exhibit.audioUrl,
           duration: exhibit.audioDuration,
diff --git a/tests/unit/ExhibitDetailAudioFirst.spec.ts b/tests/unit/ExhibitDetailAudioFirst.spec.ts
index d2ad5ee..e2ffe75 100644
--- a/tests/unit/ExhibitDetailAudioFirst.spec.ts
+++ b/tests/unit/ExhibitDetailAudioFirst.spec.ts
@@ -10,6 +10,7 @@ const mocks = vi.hoisted(() => ({
   onUnloadHandler: null as null | (() => void),
   enterExplainDetail: vi.fn(),
   selectExplainDetailLanguage: vi.fn(),
+  selectExplainDetailAudioOption: vi.fn(),
   loadExplainDetailText: vi.fn(),
   selectAudioForExplainDetail: vi.fn(),
   play: vi.fn(),
@@ -49,6 +50,7 @@ vi.mock('@/usecases/explainUseCase', () => ({
   explainUseCase: {
     enterExplainDetail: mocks.enterExplainDetail,
     selectExplainDetailLanguage: mocks.selectExplainDetailLanguage,
+    selectExplainDetailAudioOption: mocks.selectExplainDetailAudioOption,
     loadExplainDetailText: mocks.loadExplainDetailText,
     selectAudioForExplainDetail: mocks.selectAudioForExplainDetail
   }
@@ -63,7 +65,11 @@ vi.mock('@/usecases/guideUseCase', () => ({
 vi.mock('@/composables/useGlobalAudioPlayer', () => ({
   useGlobalAudioPlayer: () => ({
     ...audioState,
-    isCurrentSource: () => false,
+    isCurrentSource: (source: { targetType?: string, targetId?: string, lang?: string }) => (
+      audioState.currentSource.value?.targetType === source.targetType
+      && audioState.currentSource.value?.targetId === source.targetId
+      && audioState.currentSource.value?.lang === source.lang
+    ),
     play: mocks.play,
     pause: mocks.pause,
     resume: mocks.resume,
@@ -124,6 +130,7 @@ describe('讲解详情音频优先布局', () => {
       ...source,
       audioLanguage: lang
     }))
+    mocks.selectExplainDetailAudioOption.mockImplementation((source, channelCode) => source)
     mocks.loadExplainDetailText.mockResolvedValue({ available: false })
     mocks.selectAudioForExplainDetail.mockResolvedValue({
       playable: true,
@@ -139,6 +146,7 @@ describe('讲解详情音频优先布局', () => {
     mocks.play.mockResolvedValue(undefined)
     vi.stubGlobal('uni', {
       showToast: vi.fn(),
+      showActionSheet: vi.fn(),
       navigateBack: vi.fn(),
       redirectTo: vi.fn(),
       reLaunch: vi.fn()
@@ -222,6 +230,124 @@ describe('讲解详情音频优先布局', () => {
     expect(wrapper.find('.detail-language-bar').exists()).toBe(false)
   })
 
+  it('仅在当前语言同时存在男女声时展示声线按钮并重播所选音频', async () => {
+    const voiceExhibit = {
+      ...exhibit,
+      audioOptions: [
+        {
+          channelCode: 'standard.en-US.female',
+          displayName: '英文女声',
+          languageCode: 'en-US',
+          gender: 'female',
+          audioUrl: '/assets/astrolabe-en-female.mp3',
+          duration: 81,
+          isDefault: true
+        },
+        {
+          channelCode: 'standard.en-US.male',
+          displayName: '英文男声',
+          languageCode: 'en-US',
+          gender: 'male',
+          audioUrl: '/assets/astrolabe-en-male.mp3',
+          duration: 82,
+          isDefault: false
+        },
+        {
+          channelCode: 'standard.yue-HK.female',
+          displayName: '粤语女声',
+          languageCode: 'yue-HK',
+          gender: 'female',
+          audioUrl: '/assets/astrolabe-yue-female.mp3',
+          duration: 83,
+          isDefault: true
+        }
+      ],
+      audioChannelCode: 'standard.en-US.female',
+      audioVoiceGender: 'female',
+      audioVoiceDisplayName: '英文女声',
+      audioUrl: '/assets/astrolabe-en-female.mp3'
+    }
+    const maleVoiceExhibit = {
+      ...voiceExhibit,
+      audioUrl: '/assets/astrolabe-en-male.mp3',
+      audioDuration: 82,
+      audioChannelCode: 'standard.en-US.male',
+      audioVoiceGender: 'male',
+      audioVoiceDisplayName: '英文男声'
+    }
+    mocks.enterExplainDetail.mockResolvedValue(voiceExhibit)
+    mocks.selectExplainDetailAudioOption.mockReturnValue(maleVoiceExhibit)
+    mocks.selectAudioForExplainDetail.mockImplementation((source) => Promise.resolve({
+      playable: true,
+      exhibit: source,
+      media: {
+        id: source.audioChannelCode,
+        url: source.audioUrl,
+        duration: source.audioDuration,
+        language: source.audioLanguage
+      },
+      playInfo: { title: source.name }
+    }))
+    audioState.currentAudio.value = { id: 'audio-1', audioUrl: voiceExhibit.audioUrl }
+    audioState.currentSource.value = { targetType: 'STOP', targetId: 'stop-1', lang: 'en-US' }
+    audioState.playing.value = true
+    mocks.close.mockImplementation(() => {
+      audioState.currentAudio.value = null
+      audioState.currentSource.value = null
+      audioState.playing.value = false
+    })
+    vi.mocked(uni.showActionSheet).mockImplementation(({ success }) => success?.({ tapIndex: 1 } as any))
+
+    const wrapper = mount(ExhibitDetail, {
+      global: { stubs: { GuidePageFrame: GuidePageFrameStub } }
+    })
+
+    await mocks.onLoadHandler?.({ id: exhibit.id, lang: 'en-US', targetType: 'STOP', targetId: 'stop-1' })
+    await flushPromises()
+    expect(wrapper.get('.detail-audio-voice').text()).toBe('女声')
+
+    await wrapper.get('.detail-audio-voice').trigger('tap')
+    await flushPromises()
+
+    expect(uni.showActionSheet).toHaveBeenCalledWith(expect.objectContaining({
+      itemList: ['英文女声', '英文男声']
+    }))
+    expect(mocks.selectExplainDetailAudioOption).toHaveBeenCalledWith(voiceExhibit, 'standard.en-US.male')
+    expect(wrapper.get('.detail-audio-voice').text()).toBe('男声')
+    expect(mocks.close).toHaveBeenCalledTimes(1)
+    expect(mocks.play).toHaveBeenCalledWith(expect.objectContaining({
+      audioUrl: '/assets/astrolabe-en-male.mp3'
+    }), expect.any(Object))
+  })
+
+  it('粤语只有女声时保留禁用的声线按钮', async () => {
+    mocks.enterExplainDetail.mockResolvedValue({
+      ...exhibit,
+      audioLanguage: 'yue-HK',
+      audioVoiceGender: 'female',
+      audioOptions: [
+        {
+          channelCode: 'standard.yue-HK.female',
+          displayName: '粤语女声',
+          languageCode: 'yue-HK',
+          gender: 'female',
+          audioUrl: '/assets/astrolabe-yue-female.mp3',
+          duration: 83,
+          isDefault: true
+        }
+      ]
+    })
+    const wrapper = mount(ExhibitDetail, {
+      global: { stubs: { GuidePageFrame: GuidePageFrameStub } }
+    })
+
+    await mocks.onLoadHandler?.({ id: exhibit.id, lang: 'yue-HK', targetType: 'STOP', targetId: 'stop-1' })
+    await flushPromises()
+
+    expect(wrapper.get('.detail-audio-voice').text()).toBe('女声')
+    expect(wrapper.get('.detail-audio-voice').attributes('disabled')).toBeDefined()
+  })
+
   it('深链语言不受支持时本地回退至中文并规范化地址', async () => {
     mocks.enterExplainDetail.mockImplementation(async (request: { lang: string }) => ({
       ...exhibit,
diff --git a/tests/unit/ExplainUseCase.spec.ts b/tests/unit/ExplainUseCase.spec.ts
index 769e1a9..e9ac566 100644
--- a/tests/unit/ExplainUseCase.spec.ts
+++ b/tests/unit/ExplainUseCase.spec.ts
@@ -25,6 +25,7 @@ const createStopInfo = (overrides: Partial<GuideStopInfo> = {}): GuideStopInfo =
   hasAudio: false,
   hasText: false,
   supportedLanguages: [],
+  audioOptions: [],
   languageVariants: {},
   audioStatus: 'MISSING',
   ...overrides
@@ -156,4 +157,91 @@ describe('ExplainUseCase stop image policy', () => {
     expect((audio as any).getPlayInfo).not.toHaveBeenCalled()
     expect((audio as any).getTextInfo).not.toHaveBeenCalled()
   })
+
+  it('prefers default audio options and switches the selected voice locally', async () => {
+    const useCase = createUseCase(createStopInfo({
+      hasAudio: true,
+      hasText: true,
+      supportedLanguages: ['zh-CN', 'en-US'],
+      languageVariants: {
+        'zh-CN': {
+          lang: 'zh-CN',
+          enabled: true,
+          playable: true,
+          playUrl: '/audio/legacy-zh.mp3',
+          textAvailable: true,
+          text: '普通话讲解词',
+          hasText: true,
+          fallback: false,
+          audioStatus: 'READY'
+        },
+        'en-US': {
+          lang: 'en-US',
+          enabled: true,
+          playable: true,
+          playUrl: '/audio/legacy-en.mp3',
+          textAvailable: true,
+          text: 'English narration',
+          hasText: true,
+          fallback: false,
+          audioStatus: 'READY'
+        }
+      } as GuideStopInfo['languageVariants'],
+      audioOptions: [
+        {
+          channelCode: 'standard.zh-CN.female',
+          displayName: '普通话女声',
+          languageCode: 'zh-CN',
+          gender: 'female',
+          playUrl: '/audio/zh-female.mp3',
+          duration: 50,
+          isDefault: true
+        },
+        {
+          channelCode: 'standard.zh-CN.male',
+          displayName: '普通话男声',
+          languageCode: 'zh-CN',
+          gender: 'male',
+          playUrl: '/audio/zh-male.mp3',
+          duration: 51,
+          isDefault: false
+        },
+        {
+          channelCode: 'standard.en-US.female',
+          displayName: '英文女声',
+          languageCode: 'en-US',
+          gender: 'female',
+          playUrl: '/audio/en-female.mp3',
+          duration: 49,
+          isDefault: true
+        }
+      ]
+    }))
+
+    const chinese = await useCase.enterExplainDetail({
+      exhibitId: 'stop-1', targetType: 'STOP', targetId: 'stop-1', lang: 'zh-CN'
+    })
+    const english = useCase.selectExplainDetailLanguage(chinese, 'en-US')
+    const chineseMale = useCase.selectExplainDetailAudioOption(chinese, 'standard.zh-CN.male')
+
+    expect(chinese).toMatchObject({
+      audioUrl: '/audio/zh-female.mp3',
+      audioDuration: 50,
+      audioChannelCode: 'standard.zh-CN.female',
+      audioVoiceGender: 'female',
+      guideText: '普通话讲解词'
+    })
+    expect(english).toMatchObject({
+      audioUrl: '/audio/en-female.mp3',
+      audioChannelCode: 'standard.en-US.female',
+      guideText: 'English narration'
+    })
+    expect(chineseMale).toMatchObject({
+      audioUrl: '/audio/zh-male.mp3',
+      audioDuration: 51,
+      audioChannelCode: 'standard.zh-CN.male',
+      audioVoiceGender: 'male',
+      guideText: '普通话讲解词'
+    })
+  })
 })
diff --git a/tests/unit/GuideStopInfoAdapter.spec.ts b/tests/unit/GuideStopInfoAdapter.spec.ts
index fac13dd..e33fcd5 100644
--- a/tests/unit/GuideStopInfoAdapter.spec.ts
+++ b/tests/unit/GuideStopInfoAdapter.spec.ts
@@ -75,4 +75,63 @@ describe('guide stop-info adapter', () => {
     expect(result.supportedLanguages).toEqual(['zh-CN', 'en-US'])
     expect(result.languageVariants).toEqual({})
   })
+
+  it('uses playable audio options as the primary language and voice contract', () => {
+    const result = toGuideStopInfo({
+      supportedLanguages: ['zh-CN', 'yue-HK'],
+      audioOptions: [
+        {
+          channelCode: 'standard.zh-CN.male',
+          displayName: '普通话男声',
+          languageCode: 'zh-CN',
+          gender: 'male',
+          playUrl: '/museum-assets/audio/zh-male.mp3',
+          duration: '51',
+          isDefault: false,
+          sortOrder: 11
+        },
+        {
+          channelCode: 'standard.en-US.female',
+          displayName: '英文女声',
+          languageCode: 'en-US',
+          gender: 'female',
+          playUrl: '/museum-assets/audio/en-female.mp3',
+          duration: 49,
+          isDefault: true,
+          sortOrder: 20
+        },
+        {
+          channelCode: 'standard.zh-CN.female',
+          displayName: '普通话女声',
+          languageCode: 'zh-CN',
+          gender: 'female',
+          playUrl: '/museum-assets/audio/zh-female.mp3',
+          isDefault: true,
+          sortOrder: 10
+        },
+        {
+          channelCode: 'invalid',
+          languageCode: 'zh-CN',
+          gender: 'female'
+        }
+      ]
+    }, {
+      targetType: 'STOP',
+      targetId: '9001',
+      lang: 'zh-CN'
+    })
+
+    expect(result.supportedLanguages).toEqual(['zh-CN', 'en-US'])
+    expect(result.audioOptions.map((option) => option.channelCode)).toEqual([
+      'standard.zh-CN.female',
+      'standard.zh-CN.male',
+      'standard.en-US.female'
+    ])
+    expect(result.audioOptions[0]).toMatchObject({
+      displayName: '普通话女声',
+      gender: 'female',
+      playUrl: '/museum-assets/audio/zh-female.mp3',
+      isDefault: true
+    })
+  })
 })