diff --git a/banban-mini/src/pages/chat/detail/index.tsx b/banban-mini/src/pages/chat/detail/index.tsx
index 3b0f28f..fbb68be 100644
--- a/banban-mini/src/pages/chat/detail/index.tsx
+++ b/banban-mini/src/pages/chat/detail/index.tsx
@@ -85,8 +85,8 @@ const DEFAULT_RECORD_PROFILE: RecordProfile = {
 const COMPAT_RECORD_PROFILE: RecordProfile = {
   format: 'aac',
   mimeType: 'audio/aac',
-  sampleRate: 16000,
-  encodeBitRate: 64000,
+  sampleRate: 44100,
+  encodeBitRate: 192000,
 }
 
 const FALLBACK_RUNTIME_INFO: VoiceRuntimeInfo = {
@@ -105,6 +105,11 @@ const FALLBACK_RUNTIME_INFO: VoiceRuntimeInfo = {
 }
 
 const CHAT_BOTTOM_ANCHOR_ID = 'chat-bottom'
+const RECORD_LONG_PRESS_DELAY_MS = 350
+
+type LoadChatOptions = {
+  showLoading?: boolean
+}
 
 function compareVersion(left: string, right: string): number {
   const leftParts = left.split('.').map((item) => Number(item) || 0)
@@ -162,7 +167,7 @@ function readVoiceRuntimeInfo(): VoiceRuntimeInfo {
 }
 
 function getPreferredRecordProfile(runtime: VoiceRuntimeInfo): RecordProfile {
-  if (runtime.isHarmony || !runtime.supportsMp3Record) return COMPAT_RECORD_PROFILE
+  if (runtime.isIOS || runtime.isHarmony || !runtime.supportsMp3Record) return COMPAT_RECORD_PROFILE
   return DEFAULT_RECORD_PROFILE
 }
 
@@ -230,13 +235,21 @@ export default function ChatDetail() {
   const audioContextRef = useRef<Taro.InnerAudioContext | null>(null)
   const recorderManagerRef = useRef<Taro.RecorderManager | null>(null)
   const activeConversationIdRef = useRef(initialConversationId)
-  const latestLoadChatDataRef = useRef<(conversationId: number) => Promise<void>>(async () => {})
+  const latestLoadChatDataRef = useRef<(conversationId: number, options?: LoadChatOptions) => Promise<void>>(
+    async () => {}
+  )
   const recordingChildIdRef = useRef<number | null>(null)
   const recordProfileRef = useRef<RecordProfile>(DEFAULT_RECORD_PROFILE)
   const runtimeInfoRef = useRef<VoiceRuntimeInfo>(FALLBACK_RUNTIME_INFO)
   const recordStartedAtRef = useRef<number>(0)
   const playingMessageIdRef = useRef<number | null>(null)
   const scrollTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null)
+  const recordStartTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null)
+  const hasLoadedChatRef = useRef(false)
+  const skipNextAutoLoadRef = useRef(false)
+  const recordPressedRef = useRef(false)
+  const recordStartPendingRef = useRef(false)
+  const recordingActiveRef = useRef(false)
 
   const scrollToBottom = () => {
     if (scrollTimerRef.current) {
@@ -311,6 +324,10 @@ export default function ChatDetail() {
         clearTimeout(scrollTimerRef.current)
         scrollTimerRef.current = null
       }
+      if (recordStartTimerRef.current) {
+        clearTimeout(recordStartTimerRef.current)
+        recordStartTimerRef.current = null
+      }
     }
   }, [])
 
@@ -323,11 +340,18 @@ export default function ChatDetail() {
   }, [playingMessageId])
 
   useEffect(() => {
+    if (skipNextAutoLoadRef.current) {
+      skipNextAutoLoadRef.current = false
+      return
+    }
     void loadChatData(activeConversationId)
   }, [activeConversationId, conversationSource, conversationPeerKind])
 
-  const loadChatData = async (conversationId: number) => {
-    setLoading(true)
+  const loadChatData = async (conversationId: number, options: LoadChatOptions = {}) => {
+    const shouldShowLoading = options.showLoading ?? !hasLoadedChatRef.current
+    if (shouldShowLoading) {
+      setLoading(true)
+    }
     try {
       const char = await getCharacter({
         conversationId,
@@ -352,6 +376,7 @@ export default function ChatDetail() {
       if (msgs.length > 0) {
         scrollToBottom()
       }
+      hasLoadedChatRef.current = true
     } catch (error: any) {
       console.error('[chat-detail] load failed:', error)
       Taro.showToast({
@@ -375,6 +400,8 @@ export default function ChatDetail() {
     recorderManagerRef.current = recorderManager
 
     recorderManager.onStart(() => {
+      recordingActiveRef.current = true
+      recordStartPendingRef.current = false
       console.info('[record] started', {
         profile: recordProfileRef.current,
         runtime: runtimeInfoRef.current,
@@ -384,6 +411,8 @@ export default function ChatDetail() {
     recorderManager.onError((error) => {
       recordingChildIdRef.current = null
       recordStartedAtRef.current = 0
+      recordStartPendingRef.current = false
+      recordingActiveRef.current = false
       setRecording(false)
       setRecordHint('长按开始留言')
       console.error('[record] error', {
@@ -400,6 +429,8 @@ export default function ChatDetail() {
       const fallbackDurationMs = startedAt > 0 ? Date.now() - startedAt : 0
       recordingChildIdRef.current = null
       recordStartedAtRef.current = 0
+      recordStartPendingRef.current = false
+      recordingActiveRef.current = false
       setRecording(false)
       setRecordHint('长按开始留言')
 
@@ -447,9 +478,11 @@ export default function ChatDetail() {
           messageId: response.message?.id,
         })
         if (response.conversation_id && response.conversation_id !== activeConversationIdRef.current) {
+          skipNextAutoLoadRef.current = true
           setActiveConversationId(response.conversation_id)
+          await latestLoadChatDataRef.current(response.conversation_id, { showLoading: false })
         } else {
-          await latestLoadChatDataRef.current(activeConversationIdRef.current)
+          await latestLoadChatDataRef.current(activeConversationIdRef.current, { showLoading: false })
         }
         Taro.showToast({ title: '留言已发送', icon: 'success' })
       } catch (error: any) {
@@ -502,8 +535,15 @@ export default function ChatDetail() {
     }
   }
 
-  const handleRecordStart = async () => {
-    if (sending || recording) return
+  const resetRecordStartTimer = () => {
+    if (recordStartTimerRef.current) {
+      clearTimeout(recordStartTimerRef.current)
+      recordStartTimerRef.current = null
+    }
+  }
+
+  const startRecording = async () => {
+    if (sending || recordingActiveRef.current || recordStartPendingRef.current) return
     if (!character.canSend || !character.childId) {
       Taro.showToast({ title: '当前会话不支持发送', icon: 'none' })
       return
@@ -515,8 +555,17 @@ export default function ChatDetail() {
       return
     }
 
+    recordStartPendingRef.current = true
     const hasPermission = await ensureRecordPermission()
-    if (!hasPermission) return
+    if (!recordPressedRef.current) {
+      recordStartPendingRef.current = false
+      console.info('[record] start skipped: touch already ended')
+      return
+    }
+    if (!hasPermission) {
+      recordStartPendingRef.current = false
+      return
+    }
 
     const runtime = readVoiceRuntimeInfo()
     const profile = getPreferredRecordProfile(runtime)
@@ -524,6 +573,7 @@ export default function ChatDetail() {
     recordProfileRef.current = profile
     recordingChildIdRef.current = character.childId
     recordStartedAtRef.current = Date.now()
+    recordingActiveRef.current = true
     setRecording(true)
     setRecordHint('松开发送留言')
     console.info('[record] start request', {
@@ -542,6 +592,8 @@ export default function ChatDetail() {
     } catch (error: any) {
       recordingChildIdRef.current = null
       recordStartedAtRef.current = 0
+      recordStartPendingRef.current = false
+      recordingActiveRef.current = false
       setRecording(false)
       setRecordHint('长按开始留言')
       console.error('[record] start failed:', {
@@ -556,11 +608,49 @@ export default function ChatDetail() {
     }
   }
 
+  const handleRecordTouchStart = () => {
+    if (sending || recordingActiveRef.current || recordStartPendingRef.current) return
+    recordPressedRef.current = true
+    resetRecordStartTimer()
+    setRecordHint('继续按住开始录音')
+    console.info('[record] touch start', {
+      delayMs: RECORD_LONG_PRESS_DELAY_MS,
+      runtime: runtimeInfoRef.current,
+    })
+    recordStartTimerRef.current = setTimeout(() => {
+      recordStartTimerRef.current = null
+      if (!recordPressedRef.current) return
+      console.info('[record] long press threshold reached')
+      void startRecording()
+    }, RECORD_LONG_PRESS_DELAY_MS)
+  }
+
   const handleRecordStop = () => {
-    if (!recording) return
+    recordPressedRef.current = false
+    resetRecordStartTimer()
+    console.info('[record] touch end', {
+      active: recordingActiveRef.current,
+      pending: recordStartPendingRef.current,
+      elapsedMs: recordStartedAtRef.current > 0 ? Date.now() - recordStartedAtRef.current : 0,
+    })
+
+    if (recordStartPendingRef.current && !recordingActiveRef.current) {
+      setRecordHint('长按开始留言')
+      return
+    }
+    if (!recordingActiveRef.current) {
+      setRecordHint('长按开始留言')
+      return
+    }
+
+    recordingActiveRef.current = false
     const recorderManager = recorderManagerRef.current
     if (!recorderManager) {
       console.warn('[record] stop skipped: recorder unavailable')
+      recordingChildIdRef.current = null
+      recordStartedAtRef.current = 0
+      setRecording(false)
+      setRecordHint('长按开始留言')
       return
     }
 
@@ -568,7 +658,21 @@ export default function ChatDetail() {
     console.info('[record] stop request', {
       elapsedMs: recordStartedAtRef.current > 0 ? Date.now() - recordStartedAtRef.current : 0,
     })
-    recorderManager.stop()
+    try {
+      recorderManager.stop()
+    } catch (error) {
+      recordingChildIdRef.current = null
+      recordStartedAtRef.current = 0
+      recordStartPendingRef.current = false
+      setRecording(false)
+      setRecordHint('长按开始留言')
+      console.error('[record] stop failed', {
+        error,
+        profile: recordProfileRef.current,
+        runtime: runtimeInfoRef.current,
+      })
+      Taro.showToast({ title: '录音停止失败，请重试', icon: 'none' })
+    }
   }
 
   const handlePlayAudio = (message: ChatMessage) => {
@@ -706,7 +810,7 @@ export default function ChatDetail() {
           </View>
           <View
             className={`composer-record ${recording ? 'recording' : ''} ${sending ? 'disabled' : ''}`}
-            onLongPress={handleRecordStart}
+            onTouchStart={handleRecordTouchStart}
             onTouchEnd={handleRecordStop}
             onTouchCancel={handleRecordStop}
           >
diff --git a/banban-mini/src/services/chat.ts b/banban-mini/src/services/chat.ts
index 2f02ea4..7ad9237 100644
--- a/banban-mini/src/services/chat.ts
+++ b/banban-mini/src/services/chat.ts
@@ -296,6 +296,17 @@ function getPeerDisplayName(peerKind: PeerKind, peerId?: string, peerName?: stri
   return getParticipantDisplayName(peerKind, peerId, peerName)
 }
 
+function getParentConversationName(parentUserId: number | null, peerId: string, peerName: string | null | undefined, context: BindingContext): string {
+  if (parentUserId && parentUserId === context.currentUserId) return '家长沟通'
+
+  const displayName = getParticipantDisplayName('parent', peerId, peerName)
+  return `${displayName}的留言记录`
+}
+
+function canSendParentConversation(parentUserId: number | null, context: BindingContext): boolean {
+  return Boolean(parentUserId && parentUserId === context.currentUserId)
+}
+
 function getConversationRank(conversation: ChatConversation): number {
   if (isParentChildConversation(conversation.conversationTypeName)) return 0
   return 1
@@ -371,27 +382,34 @@ function toImConversation(item: ChildConversationItem, context: BindingContext):
   const isParentConversation = isParentChildConversation(item.conversation_type_name)
   const peerKind: PeerKind = item.peer_type === 'parent' ? 'parent' : 'child'
   const meta = PEER_META[peerKind]
+  const parentUserId = isParentConversation ? parseNumericId(item.peer_id) : null
+  const canSend = isParentConversation ? canSendParentConversation(parentUserId, context) : false
+  const parentConversationName = getParentConversationName(parentUserId, item.peer_id, item.peer_name, context)
 
   return {
     id: item.conversation_id,
     key: `im-${item.conversation_id}`,
     source: 'im',
     peerKind,
-    name: isParentConversation ? '家长沟通' : getPeerDisplayName(peerKind, item.peer_id, item.peer_name),
+    name: isParentConversation ? parentConversationName : getPeerDisplayName(peerKind, item.peer_id, item.peer_name),
     avatar: meta.icon,
-    typeLabel: isParentConversation ? '家长沟通' : meta.label,
-    description: isParentConversation ? '家长通过微信小程序和孩子直接沟通' : meta.description,
-    lastMessage: item.last_message_preview || (isParentConversation ? '还没有消息，点进去发送第一条' : '暂无消息'),
+    typeLabel: isParentConversation ? (canSend ? '家长沟通' : '留言记录') : meta.label,
+    description: isParentConversation
+      ? canSend
+        ? '家长通过微信小程序和孩子直接沟通'
+        : '其他家长和孩子的留言记录'
+      : meta.description,
+    lastMessage: item.last_message_preview || (isParentConversation ? (canSend ? '还没有消息，点进去发送第一条' : '暂无留言记录') : '暂无消息'),
     time: formatListTime(item.last_message_at),
     sortAt: item.last_message_at || '',
     conversationTypeName: item.conversation_type_name,
     peerId: item.peer_id,
     childId: context.childId,
     childName: context.childName,
-    parentUserId: isParentConversation ? parseNumericId(item.peer_id) : null,
+    parentUserId,
     deviceId: context.deviceId,
     channelLabel: isParentConversation ? '微信小程序' : '设备端',
-    canSend: isParentConversation,
+    canSend,
   }
 }
 
@@ -596,6 +614,7 @@ export async function getCharacter(options: {
     channelLabel,
     canSend = false,
   } = options
+  const context = await getBindingContext()
 
   if (source === 'ai') {
     const meta = getAiMeta(roleKey)
@@ -618,10 +637,14 @@ export async function getCharacter(options: {
   }
 
   if (isParentChildConversation(conversationTypeName)) {
+    const normalizedParentUserId = parentUserId || parseNumericId(peerId)
+    const canSendParentMessage = Boolean(canSend && normalizedParentUserId === context.currentUserId)
+    const normalizedName = name || getParentConversationName(normalizedParentUserId, peerId || '', null, context)
+
     return {
       id: conversationId,
-      name: '家长沟通',
-      description: '微信小程序 <-> 儿童设备',
+      name: normalizedName,
+      description: canSendParentMessage ? '微信小程序 <-> 儿童设备' : '其他家长和孩子的留言记录',
       icon: PEER_META.parent.icon,
       peerKind: 'parent',
       source,
@@ -629,10 +652,10 @@ export async function getCharacter(options: {
       childId,
       childName,
       peerId,
-      parentUserId: parentUserId || parseNumericId(peerId),
+      parentUserId: normalizedParentUserId,
       deviceId,
       channelLabel: channelLabel || '微信小程序',
-      canSend: canSend || true,
+      canSend: canSendParentMessage,
     }
   }