diff --git a/frontend/src/pages.json b/frontend/src/pages.json
index 2f8d7e5..d80829a 100644
--- a/frontend/src/pages.json
+++ b/frontend/src/pages.json
@@ -62,6 +62,25 @@
 				"navigationBarTitleText": "黑名单"
 			}
 		},
+		{
+			"path": "pages/chat/conversation",
+			"style": {
+				"navigationBarTitleText": "聊天",
+				"navigationStyle": "custom"
+			}
+		},
+		{
+			"path": "pages/chat/settings",
+			"style": {
+				"navigationBarTitleText": "聊天设置"
+			}
+		},
+		{
+			"path": "pages/chat/search",
+			"style": {
+				"navigationBarTitleText": "搜索消息"
+			}
+		},
 		{
 			"path": "pages/meeting/index",
 			"style": {
diff --git a/frontend/src/pages/chat/conversation.vue b/frontend/src/pages/chat/conversation.vue
new file mode 100644
index 0000000..b5cd5de
--- /dev/null
+++ b/frontend/src/pages/chat/conversation.vue
@@ -0,0 +1,491 @@
+<!--
+  聊天对话页
+
+  设计系统：design-system/echochat/MASTER.md
+  色板：Primary #2563EB / BG #F8FAFC / Text #1E293B
+  
+  功能：
+  - 消息气泡（左侧对方 / 右侧自己）
+  - 游标分页加载历史消息
+  - 消息发送（三态：sending → sent → failed）
+  - 正在输入提示
+  - 消息撤回（长按自己的消息）
+-->
+<template>
+  <view class="page-wrapper">
+    <!-- 自定义导航栏 -->
+    <view class="nav-bar">
+      <view class="nav-left" @tap="goBack">
+        <text class="nav-back">&#10094;</text>
+      </view>
+      <view class="nav-center">
+        <text class="nav-title">{{ peerName || '聊天' }}</text>
+        <text v-if="isTyping" class="nav-typing">正在输入...</text>
+      </view>
+      <view class="nav-right" @tap="goToSettings">
+        <text class="nav-more">&#8943;</text>
+      </view>
+    </view>
+
+    <!-- 消息列表 -->
+    <scroll-view
+      scroll-y
+      class="msg-list"
+      :scroll-into-view="scrollToId"
+      :scroll-with-animation="true"
+      @scrolltoupper="onLoadMore"
+    >
+      <!-- 加载更多提示 -->
+      <view v-if="hasMore" class="load-more" @tap="onLoadMore">
+        <text class="load-more-text">{{ loadingMore ? '加载中...' : '上拉加载更多' }}</text>
+      </view>
+
+      <!-- 消息气泡 -->
+      <view
+        v-for="msg in messages"
+        :key="msg.client_msg_id || msg.id"
+        :id="'msg-' + (msg.id || msg.client_msg_id)"
+        class="msg-row"
+        :class="{ 'msg-row-self': isSelf(msg), 'msg-row-other': !isSelf(msg) }"
+      >
+        <!-- 对方头像 -->
+        <view v-if="!isSelf(msg)" class="msg-avatar-wrap">
+          <image v-if="peerAvatar" class="msg-avatar" :src="peerAvatar" mode="aspectFill" />
+          <view v-else class="msg-avatar msg-avatar-placeholder">
+            <text class="msg-avatar-text">{{ (peerName || '?')[0] }}</text>
+          </view>
+        </view>
+
+        <!-- 消息内容 -->
+        <view
+          class="msg-bubble"
+          :class="{
+            'bubble-self': isSelf(msg),
+            'bubble-other': !isSelf(msg),
+            'bubble-recalled': msg.status === 2
+          }"
+          @longpress="onMsgLongPress(msg)"
+        >
+          <text v-if="msg.status === 2" class="msg-recalled">消息已撤回</text>
+          <text v-else class="msg-text">{{ msg.content }}</text>
+        </view>
+
+        <!-- 发送状态 -->
+        <view v-if="isSelf(msg) && msg._sending" class="msg-status">
+          <text class="status-sending">&#8987;</text>
+        </view>
+        <view v-if="isSelf(msg) && msg._failed" class="msg-status" @tap="onResend(msg)">
+          <text class="status-failed">&#9888;</text>
+        </view>
+      </view>
+
+      <view id="msg-bottom" style="height: 2rpx;" />
+    </scroll-view>
+
+    <!-- 底部输入区 -->
+    <view class="input-bar">
+      <view class="input-wrap">
+        <input
+          class="msg-input"
+          v-model="inputText"
+          placeholder="输入消息..."
+          placeholder-style="color: #94A3B8"
+          confirm-type="send"
+          @confirm="onSend"
+          @input="onInputChange"
+          :adjust-position="true"
+        />
+      </view>
+      <view class="send-btn" :class="{ 'send-btn-active': inputText.trim() }" @tap="onSend">
+        <text class="send-icon">&#10148;</text>
+      </view>
+    </view>
+  </view>
+</template>
+
+<script>
+import { onLoad, onUnload } from '@dcloudio/uni-app'
+import { ref, computed, nextTick } from 'vue'
+import { useChatStore } from '@/store/chat'
+import { useUserStore } from '@/store/user'
+
+export default {
+  name: 'ChatConversation',
+  setup() {
+    const chatStore = useChatStore()
+    const userStore = useUserStore()
+
+    const conversationId = ref(0)
+    const peerId = ref(0)
+    const peerName = ref('')
+    const peerAvatar = ref('')
+    const inputText = ref('')
+    const scrollToId = ref('')
+    const loadingMore = ref(false)
+
+    const messages = computed(() => chatStore.currentMessages)
+    const hasMore = computed(() => chatStore.hasMoreMap[conversationId.value] !== false)
+    const isTyping = computed(() => chatStore.typingMap[conversationId.value] || false)
+
+    const isSelf = (msg) => {
+      return msg.sender_id === (userStore.userInfo?.id || 0) || msg._sending
+    }
+
+    onLoad((query) => {
+      conversationId.value = parseInt(query.conversationId) || 0
+      peerId.value = parseInt(query.peerId) || 0
+      peerName.value = decodeURIComponent(query.peerName || '')
+      peerAvatar.value = decodeURIComponent(query.peerAvatar || '')
+
+      chatStore.initWsListeners()
+
+      if (conversationId.value) {
+        chatStore.setCurrentConversation(conversationId.value)
+        loadInitialMessages()
+      }
+    })
+
+    onUnload(() => {
+      chatStore.setCurrentConversation(null)
+    })
+
+    const loadInitialMessages = async () => {
+      if (!chatStore.messagesMap[conversationId.value]?.length) {
+        await chatStore.loadHistoryMessages(conversationId.value)
+      }
+      scrollToBottom()
+    }
+
+    const scrollToBottom = () => {
+      nextTick(() => {
+        scrollToId.value = ''
+        nextTick(() => {
+          scrollToId.value = 'msg-bottom'
+        })
+      })
+    }
+
+    const onSend = () => {
+      const content = inputText.value.trim()
+      if (!content) return
+
+      chatStore.sendMessage({
+        conversationId: conversationId.value || 0,
+        targetUserId: conversationId.value ? 0 : peerId.value,
+        content,
+        type: 1
+      })
+
+      inputText.value = ''
+      scrollToBottom()
+    }
+
+    let typingTimer = null
+    const onInputChange = () => {
+      if (typingTimer) return
+      if (conversationId.value) {
+        chatStore.sendTyping(conversationId.value)
+      }
+      typingTimer = setTimeout(() => {
+        typingTimer = null
+      }, 3000)
+    }
+
+    const onLoadMore = async () => {
+      if (loadingMore.value || !hasMore.value) return
+      loadingMore.value = true
+      try {
+        await chatStore.loadHistoryMessages(conversationId.value)
+      } finally {
+        loadingMore.value = false
+      }
+    }
+
+    const onMsgLongPress = (msg) => {
+      if (!isSelf(msg) || msg.status === 2) return
+      uni.showActionSheet({
+        itemList: ['撤回'],
+        success: (res) => {
+          if (res.tapIndex === 0 && msg.id) {
+            chatStore.recallMessage(msg.id)
+          }
+        }
+      })
+    }
+
+    const onResend = (msg) => {
+      uni.showModal({
+        title: '提示',
+        content: '是否重新发送？',
+        success: (res) => {
+          if (res.confirm) {
+            chatStore.sendMessage({
+              conversationId: conversationId.value,
+              content: msg.content,
+              type: msg.type || 1
+            })
+          }
+        }
+      })
+    }
+
+    const goBack = () => {
+      uni.navigateBack()
+    }
+
+    const goToSettings = () => {
+      uni.navigateTo({
+        url: `/pages/chat/settings?conversationId=${conversationId.value}&peerId=${peerId.value}&peerName=${encodeURIComponent(peerName.value)}&peerAvatar=${encodeURIComponent(peerAvatar.value)}`
+      })
+    }
+
+    return {
+      peerName,
+      peerAvatar,
+      inputText,
+      scrollToId,
+      loadingMore,
+      messages,
+      hasMore,
+      isTyping,
+      isSelf,
+      onSend,
+      onInputChange,
+      onLoadMore,
+      onMsgLongPress,
+      onResend,
+      goBack,
+      goToSettings
+    }
+  }
+}
+</script>
+
+<style scoped>
+.page-wrapper {
+  height: 100vh;
+  display: flex;
+  flex-direction: column;
+  background-color: #F1F5F9;
+}
+
+/* 导航栏 */
+.nav-bar {
+  display: flex;
+  align-items: center;
+  height: 88rpx;
+  padding: 0 24rpx;
+  padding-top: var(--status-bar-height, 44px);
+  background-color: #FFFFFF;
+  border-bottom: 1rpx solid #E2E8F0;
+}
+
+.nav-left {
+  width: 64rpx;
+  height: 64rpx;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.nav-back {
+  font-size: 32rpx;
+  color: #1E293B;
+  font-weight: 600;
+}
+
+.nav-center {
+  flex: 1;
+  text-align: center;
+}
+
+.nav-title {
+  font-size: 32rpx;
+  font-weight: 600;
+  color: #1E293B;
+}
+
+.nav-typing {
+  display: block;
+  font-size: 22rpx;
+  color: #2563EB;
+  margin-top: 2rpx;
+}
+
+.nav-right {
+  width: 64rpx;
+  height: 64rpx;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.nav-more {
+  font-size: 36rpx;
+  color: #475569;
+}
+
+/* 消息列表 */
+.msg-list {
+  flex: 1;
+  padding: 16rpx 24rpx;
+}
+
+.load-more {
+  text-align: center;
+  padding: 16rpx 0;
+}
+
+.load-more-text {
+  font-size: 24rpx;
+  color: #94A3B8;
+}
+
+/* 消息行 */
+.msg-row {
+  display: flex;
+  align-items: flex-start;
+  margin-bottom: 24rpx;
+}
+
+.msg-row-self {
+  flex-direction: row-reverse;
+}
+
+.msg-row-other {
+  flex-direction: row;
+}
+
+/* 头像 */
+.msg-avatar-wrap {
+  flex-shrink: 0;
+  margin-right: 16rpx;
+}
+
+.msg-avatar {
+  width: 72rpx;
+  height: 72rpx;
+  border-radius: 18rpx;
+}
+
+.msg-avatar-placeholder {
+  background-color: #2563EB;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.msg-avatar-text {
+  color: #FFFFFF;
+  font-size: 28rpx;
+  font-weight: 600;
+}
+
+/* 气泡 */
+.msg-bubble {
+  max-width: 560rpx;
+  padding: 20rpx 24rpx;
+  border-radius: 24rpx;
+  word-break: break-all;
+}
+
+.bubble-self {
+  background-color: #2563EB;
+  border-bottom-right-radius: 8rpx;
+  margin-left: 16rpx;
+}
+
+.bubble-other {
+  background-color: #FFFFFF;
+  border-bottom-left-radius: 8rpx;
+}
+
+.bubble-recalled {
+  background-color: transparent !important;
+  padding: 8rpx 16rpx;
+}
+
+.msg-text {
+  font-size: 30rpx;
+  line-height: 42rpx;
+}
+
+.bubble-self .msg-text {
+  color: #FFFFFF;
+}
+
+.bubble-other .msg-text {
+  color: #1E293B;
+}
+
+.msg-recalled {
+  font-size: 24rpx;
+  color: #94A3B8;
+  font-style: italic;
+}
+
+/* 发送状态 */
+.msg-status {
+  display: flex;
+  align-items: center;
+  margin: 0 8rpx;
+  align-self: center;
+}
+
+.status-sending {
+  font-size: 24rpx;
+  color: #94A3B8;
+}
+
+.status-failed {
+  font-size: 28rpx;
+  color: #EF4444;
+}
+
+/* 输入栏 */
+.input-bar {
+  display: flex;
+  align-items: center;
+  padding: 16rpx 24rpx;
+  padding-bottom: calc(16rpx + env(safe-area-inset-bottom, 0));
+  background-color: #FFFFFF;
+  border-top: 1rpx solid #E2E8F0;
+}
+
+.input-wrap {
+  flex: 1;
+  background-color: #F1F5F9;
+  border-radius: 36rpx;
+  padding: 0 28rpx;
+  height: 72rpx;
+  display: flex;
+  align-items: center;
+}
+
+.msg-input {
+  flex: 1;
+  font-size: 28rpx;
+  color: #1E293B;
+}
+
+.send-btn {
+  width: 72rpx;
+  height: 72rpx;
+  margin-left: 16rpx;
+  border-radius: 50%;
+  background-color: #CBD5E1;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  transition: background-color 200ms ease;
+}
+
+.send-btn-active {
+  background-color: #2563EB;
+}
+
+.send-icon {
+  font-size: 32rpx;
+  color: #FFFFFF;
+}
+</style>
diff --git a/frontend/src/pages/chat/index.vue b/frontend/src/pages/chat/index.vue
index 29405e2..a0b8dcf 100644
--- a/frontend/src/pages/chat/index.vue
+++ b/frontend/src/pages/chat/index.vue
@@ -1,30 +1,172 @@
 <!--
-  消息列表页面（占位）
-  
+  消息 - 会话列表页（TabBar 页面）
+
   设计系统：design-system/echochat/MASTER.md
-  TabBar 页面，Phase 2（IM 模块）中实现具体功能
-  
-  当前功能：
-  - 显示模块名称和开发中提示
-  - 集成自定义 TabBar 组件
+  色板：Primary #2563EB / BG #F8FAFC / Text #1E293B / Muted #94A3B8
 -->
 <template>
   <view class="page-wrapper">
-    <view class="placeholder-content">
-      <text class="placeholder-icon">💬</text>
-      <text class="placeholder-title">消息</text>
-      <text class="placeholder-desc">即时通讯功能开发中…</text>
+    <!-- 顶部栏 -->
+    <view class="header">
+      <text class="header-title">消息</text>
+      <view class="header-actions">
+        <view class="action-btn" @tap="goToSearch">
+          <text class="action-icon">&#128269;</text>
+        </view>
+      </view>
     </view>
+
+    <!-- 会话列表 -->
+    <scroll-view scroll-y class="conv-list" @scrolltolower="onScrollToLower">
+      <!-- 空状态 -->
+      <view v-if="!loading && conversations.length === 0" class="empty-state">
+        <text class="empty-icon">💬</text>
+        <text class="empty-text">暂无消息</text>
+        <text class="empty-hint">找好友聊聊天吧</text>
+      </view>
+
+      <!-- 会话条目 -->
+      <view
+        v-for="conv in conversations"
+        :key="conv.id"
+        class="conv-item"
+        :class="{ 'conv-pinned': conv.is_pinned }"
+        @tap="openChat(conv)"
+        @longpress="onLongPress(conv)"
+      >
+        <!-- 头像 -->
+        <view class="conv-avatar-wrap">
+          <image
+            v-if="conv.peer_avatar"
+            class="conv-avatar"
+            :src="conv.peer_avatar"
+            mode="aspectFill"
+          />
+          <view v-else class="conv-avatar conv-avatar-placeholder">
+            <text class="avatar-text">{{ (conv.peer_nickname || '?')[0] }}</text>
+          </view>
+          <view v-if="conv.unread_count > 0" class="conv-badge">
+            <text class="conv-badge-text">{{ conv.unread_count > 99 ? '99+' : conv.unread_count }}</text>
+          </view>
+        </view>
+
+        <!-- 信息区 -->
+        <view class="conv-info">
+          <view class="conv-top">
+            <text class="conv-name">{{ conv.peer_nickname || '未知用户' }}</text>
+            <text class="conv-time">{{ formatTime(conv.last_msg_time) }}</text>
+          </view>
+          <view class="conv-bottom">
+            <text v-if="isTyping(conv.id)" class="conv-typing">对方正在输入...</text>
+            <text v-else class="conv-preview" :class="{ 'conv-preview-unread': conv.unread_count > 0 }">
+              {{ conv.last_msg_content || ' ' }}
+            </text>
+            <view v-if="conv.is_pinned" class="conv-pin-tag">
+              <text class="pin-icon">📌</text>
+            </view>
+          </view>
+        </view>
+      </view>
+    </scroll-view>
+
     <CustomTabBar :current="0" />
   </view>
 </template>
 
 <script>
+import { onShow } from '@dcloudio/uni-app'
+import { ref, computed } from 'vue'
+import { useChatStore } from '@/store/chat'
 import CustomTabBar from '@/components/CustomTabBar.vue'
 
 export default {
   name: 'ChatIndex',
-  components: { CustomTabBar }
+  components: { CustomTabBar },
+  setup() {
+    const chatStore = useChatStore()
+    const loading = ref(false)
+
+    const conversations = computed(() => chatStore.sortedConversations)
+
+    const loadData = async () => {
+      loading.value = true
+      try {
+        await chatStore.fetchConversations()
+      } finally {
+        loading.value = false
+      }
+    }
+
+    onShow(() => {
+      chatStore.initWsListeners()
+      loadData()
+    })
+
+    const openChat = (conv) => {
+      uni.navigateTo({
+        url: `/pages/chat/conversation?conversationId=${conv.id}&peerId=${conv.peer_user_id}&peerName=${encodeURIComponent(conv.peer_nickname || '')}&peerAvatar=${encodeURIComponent(conv.peer_avatar || '')}`
+      })
+    }
+
+    const goToSearch = () => {
+      uni.navigateTo({ url: '/pages/chat/search' })
+    }
+
+    const isTyping = (convId) => {
+      return chatStore.typingMap[convId] || false
+    }
+
+    const formatTime = (timeStr) => {
+      if (!timeStr) return ''
+      const date = new Date(timeStr)
+      const now = new Date()
+      const isToday = date.toDateString() === now.toDateString()
+      if (isToday) {
+        return `${String(date.getHours()).padStart(2, '0')}:${String(date.getMinutes()).padStart(2, '0')}`
+      }
+      const yesterday = new Date(now)
+      yesterday.setDate(yesterday.getDate() - 1)
+      if (date.toDateString() === yesterday.toDateString()) {
+        return '昨天'
+      }
+      return `${date.getMonth() + 1}/${date.getDate()}`
+    }
+
+    const onLongPress = (conv) => {
+      const items = [conv.is_pinned ? '取消置顶' : '置顶', '删除会话']
+      uni.showActionSheet({
+        itemList: items,
+        success: async (res) => {
+          if (res.tapIndex === 0) {
+            await chatStore.pinConversation(conv.id, !conv.is_pinned)
+          } else if (res.tapIndex === 1) {
+            uni.showModal({
+              title: '提示',
+              content: '确定删除该会话？',
+              success: async (r) => {
+                if (r.confirm) {
+                  await chatStore.deleteConversation(conv.id)
+                }
+              }
+            })
+          }
+        }
+      })
+    }
+
+    const onScrollToLower = () => {}
+
+    return {
+      loading,
+      conversations,
+      openChat,
+      goToSearch,
+      isTyping,
+      formatTime,
+      onLongPress,
+      onScrollToLower
+    }
+  }
 }
 </script>
 
@@ -35,28 +177,189 @@ export default {
   padding-bottom: 120rpx;
 }
 
-.placeholder-content {
+.header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 0 32rpx;
+  height: 88rpx;
+  padding-top: var(--status-bar-height, 44px);
+  background-color: #FFFFFF;
+}
+
+.header-title {
+  font-size: 36rpx;
+  font-weight: 700;
+  color: #1E293B;
+}
+
+.header-actions {
+  display: flex;
+  gap: 16rpx;
+}
+
+.action-btn {
+  width: 64rpx;
+  height: 64rpx;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 16rpx;
+  background-color: #F1F5F9;
+}
+
+.action-icon {
+  font-size: 32rpx;
+  color: #475569;
+}
+
+/* 会话列表 */
+.conv-list {
+  height: calc(100vh - 88rpx - var(--status-bar-height, 44px) - 120rpx);
+}
+
+.conv-item {
+  display: flex;
+  align-items: center;
+  padding: 24rpx 32rpx;
+  background-color: #FFFFFF;
+  border-bottom: 1rpx solid #F1F5F9;
+}
+
+.conv-pinned {
+  background-color: #F8FAFC;
+}
+
+/* 头像 */
+.conv-avatar-wrap {
+  position: relative;
+  flex-shrink: 0;
+  margin-right: 24rpx;
+}
+
+.conv-avatar {
+  width: 96rpx;
+  height: 96rpx;
+  border-radius: 24rpx;
+}
+
+.conv-avatar-placeholder {
+  background-color: #2563EB;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.avatar-text {
+  color: #FFFFFF;
+  font-size: 36rpx;
+  font-weight: 600;
+}
+
+.conv-badge {
+  position: absolute;
+  top: -8rpx;
+  right: -8rpx;
+  min-width: 36rpx;
+  height: 36rpx;
+  padding: 0 8rpx;
+  background-color: #EF4444;
+  border-radius: 18rpx;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.conv-badge-text {
+  color: #FFFFFF;
+  font-size: 20rpx;
+  line-height: 36rpx;
+}
+
+/* 信息区 */
+.conv-info {
+  flex: 1;
+  overflow: hidden;
+}
+
+.conv-top {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 8rpx;
+}
+
+.conv-name {
+  font-size: 30rpx;
+  font-weight: 500;
+  color: #1E293B;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  max-width: 400rpx;
+}
+
+.conv-time {
+  font-size: 24rpx;
+  color: #94A3B8;
+  flex-shrink: 0;
+}
+
+.conv-bottom {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+}
+
+.conv-preview {
+  font-size: 26rpx;
+  color: #94A3B8;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  max-width: 480rpx;
+}
+
+.conv-preview-unread {
+  color: #64748B;
+  font-weight: 500;
+}
+
+.conv-typing {
+  font-size: 26rpx;
+  color: #2563EB;
+}
+
+.conv-pin-tag {
+  flex-shrink: 0;
+}
+
+.pin-icon {
+  font-size: 22rpx;
+}
+
+/* 空状态 */
+.empty-state {
   display: flex;
   flex-direction: column;
   align-items: center;
-  justify-content: center;
-  padding-top: 300rpx;
+  padding-top: 200rpx;
 }
 
-.placeholder-icon {
+.empty-icon {
   font-size: 80rpx;
   margin-bottom: 24rpx;
 }
 
-.placeholder-title {
-  font-size: 36rpx;
+.empty-text {
+  font-size: 32rpx;
   font-weight: 600;
   color: #1E293B;
-  margin-bottom: 12rpx;
+  margin-bottom: 8rpx;
 }
 
-.placeholder-desc {
-  font-size: 28rpx;
+.empty-hint {
+  font-size: 26rpx;
   color: #94A3B8;
 }
 </style>