diff --git a/pages.json b/pages.json
index 6406af3..91bf9d6 100644
--- a/pages.json
+++ b/pages.json
@@ -64,19 +64,12 @@
 				"navigationBarTextStyle": "black"
 			}
 		},
-		{
-			"path": "pages/pets/pet-chat",
-			"style": {
-				"navigationBarTitleText": "AI聊天",
-				"navigationBarBackgroundColor": "#64B5F6",
-				"navigationBarTextStyle": "white"
-			}
-		},
+
 		{
 			"path": "pages/pets/pet-chat-simple",
 			"style": {
-				"navigationBarTitleText": "AI聊天",
-				"navigationBarBackgroundColor": "#64B5F6",
+				"navigationBarTitleText": "宠物会话",
+				"navigationBarBackgroundColor": "#FF8A80",
 				"navigationBarTextStyle": "white"
 			}
 		},
diff --git a/pages/pets/pet-chat-simple.vue b/pages/pets/pet-chat-simple.vue
index acab171..b5d95fe 100644
--- a/pages/pets/pet-chat-simple.vue
+++ b/pages/pets/pet-chat-simple.vue
@@ -1,93 +1,104 @@
 <template>
   <view class="pet-chat-container">
-    <u-navbar :title="`与${petInfo.name}聊天`" left-icon="arrow-left" @left-click="goBack">
-      <template #right>
-        <u-icon name="more-circle" size="20" @click="showMenu = true"></u-icon>
-      </template>
-    </u-navbar>
-
     <!-- 宠物信息卡片 -->
     <view class="pet-info-card">
-      <u-avatar :src="petInfo.avatar || '/static/default-pet.png'" size="40" shape="circle"></u-avatar>
+      <view class="pet-avatar-wrapper">
+        <view class="pet-avatar">
+          <text class="avatar-emoji">🐱</text>
+        </view>
+      </view>
       <view class="pet-info-text">
-        <u-text :text="petInfo.name" type="primary" size="14" bold></u-text>
-        <u-text :text="petInfo.personality" type="tips" size="12"></u-text>
+        <text class="pet-name">{{ petInfo.name || '小橘' }}</text>
+        <text class="pet-status">{{ petInfo.personality || '活泼好动，喜欢撒娇' }}</text>
       </view>
       <view class="chat-status">
-        <u-tag text="在线" type="success" size="mini"></u-tag>
+        <view class="status-dot"></view>
+        <text class="status-text">在线</text>
       </view>
     </view>
 
     <!-- 聊天消息列表 -->
-    <scroll-view 
-      class="chat-messages" 
-      scroll-y 
-      :scroll-top="scrollTop"
-      scroll-with-animation
-    >
+    <view class="chat-messages">
+      <scroll-view
+        class="chat-scroll"
+        scroll-y
+        :scroll-top="scrollTop"
+        :scroll-into-view="scrollIntoView"
+        scroll-with-animation
+      >
       <view class="message-list">
         <!-- 消息项 -->
-        <view 
-          class="message-item" 
-          v-for="message in messageList" 
-          :key="message.id"
-          :class="message.type"
-        >
-          <view class="message-avatar" v-if="message.type === 'ai'">
-            <u-avatar :src="petInfo.avatar || '/static/default-pet.png'" size="32" shape="circle"></u-avatar>
-          </view>
-          
-          <view class="message-content">
-            <view class="message-bubble" :class="message.type">
-              <u-text :text="message.content" size="14" :color="message.type === 'user' ? '#ffffff' : '#333333'"></u-text>
+        <template v-for="message in messageList" :key="message.id">
+          <!-- AI消息 -->
+          <view class="message-item ai" v-if="message.type === 'ai'">
+            <view class="message-avatar">
+              <view class="pet-avatar">
+                <text class="avatar-emoji">🐱</text>
+              </view>
             </view>
-            <view class="message-time">
-              <u-text :text="formatTime(message.timestamp)" type="tips" size="10"></u-text>
+            <view class="message-content ai">
+              <view class="message-bubble ai">
+                <text class="message-text">{{ message.content }}</text>
+              </view>
+              <text class="message-time">{{ formatTime(message.timestamp) }}</text>
             </view>
           </view>
 
-          <view class="message-avatar" v-if="message.type === 'user'">
-            <u-avatar src="/static/user-avatar.png" size="32" shape="circle"></u-avatar>
+          <!-- 用户消息 -->
+          <view class="message-item user" v-if="message.type === 'user'">
+            <view class="message-content user">
+              <view class="message-bubble user">
+                <text class="message-text">{{ message.content }}</text>
+              </view>
+              <text class="message-time">{{ formatTime(message.timestamp) }}</text>
+            </view>
+            <view class="message-avatar">
+              <view class="user-avatar">
+                <text class="avatar-emoji">😊</text>
+              </view>
+            </view>
           </view>
-        </view>
+        </template>
 
         <!-- AI正在输入提示 -->
         <view class="message-item ai" v-if="aiTyping">
           <view class="message-avatar">
-            <u-avatar :src="petInfo.avatar || '/static/default-pet.png'" size="32" shape="circle"></u-avatar>
+            <view class="pet-avatar">
+              <text class="avatar-emoji">🐱</text>
+            </view>
           </view>
-          <view class="message-content">
-            <view class="message-bubble ai typing">
+          <view class="message-content ai">
+            <view class="message-bubble ai typing-bubble">
               <view class="typing-dots">
-                <view class="dot"></view>
-                <view class="dot"></view>
-                <view class="dot"></view>
+                <view class="typing-dot"></view>
+                <view class="typing-dot"></view>
+                <view class="typing-dot"></view>
               </view>
             </view>
           </view>
         </view>
+
+        <!-- 滚动锚点 -->
+        <view id="scroll-bottom" style="height: 1rpx;"></view>
       </view>
-    </scroll-view>
+      </scroll-view>
+    </view>
 
     <!-- 输入区域 -->
     <view class="chat-input-area">
       <view class="input-container">
-        <u-input 
-          v-model="inputMessage"
-          placeholder="和你的宠物说点什么..."
-          :border="false"
-          :custom-style="inputStyle"
-          @confirm="sendMessage"
-          confirm-type="send"
-        ></u-input>
-        <view class="input-actions">
-          <u-button 
-            type="primary" 
-            size="mini" 
-            text="发送" 
-            @click="sendMessage"
-            :disabled="!inputMessage.trim()"
-          ></u-button>
+        <view class="input-wrapper">
+          <input
+            v-model="inputMessage"
+            placeholder="和你的宠物说点什么..."
+            class="message-input"
+            @confirm="sendMessage"
+            confirm-type="send"
+            maxlength="500"
+          />
+        </view>
+        <view class="send-button" @click="sendMessage" :class="{ active: inputMessage.trim() }">
+          <text class="send-text">发送</text>
         </view>
       </view>
     </view>
@@ -122,6 +133,7 @@ export default {
       messageList: [],
       inputMessage: '',
       scrollTop: 0,
+      scrollIntoView: '',
       aiTyping: false,
       showMenu: false,
       inputStyle: {
@@ -242,7 +254,12 @@ export default {
     // 滚动到底部
     scrollToBottom() {
       this.$nextTick(() => {
-        this.scrollTop = 99999
+        // 使用scroll-into-view滚动到底部锚点
+        this.scrollIntoView = 'scroll-bottom'
+        // 同时设置scrollTop作为备用方案
+        setTimeout(() => {
+          this.scrollTop = Math.random() * 1000 + 99999 // 每次不同的值确保触发
+        }, 100)
       })
     },
 
@@ -287,99 +304,232 @@ export default {
 
 <style lang="scss" scoped>
 .pet-chat-container {
+  width: 100vw;
   height: 100vh;
   display: flex;
   flex-direction: column;
-  background-color: #f8f9fa;
+  background: linear-gradient(135deg, #FF8A80 0%, #FFB6C1 25%, #FECFEF 50%, #F8BBD9 100%);
+  position: relative;
 }
 
 .pet-info-card {
+  background: rgba(255, 255, 255, 0.95);
+  backdrop-filter: blur(20rpx);
+  margin: 20rpx 30rpx 0 30rpx;
+  border-radius: 24rpx;
+  padding: 24rpx;
   display: flex;
   align-items: center;
-  padding: 15px 20px;
-  background-color: #ffffff;
-  border-bottom: 1px solid #f0f0f0;
-  
+  box-shadow: 0 8rpx 32rpx rgba(255, 138, 128, 0.2);
+  border: 1rpx solid rgba(255, 255, 255, 0.3);
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  z-index: 10;
+
+  .pet-avatar-wrapper {
+    margin-right: 24rpx;
+
+    .pet-avatar {
+      width: 80rpx;
+      height: 80rpx;
+      border-radius: 40rpx;
+      background: linear-gradient(135deg, #FF8A80, #FFB6C1);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      box-shadow: 0 8rpx 24rpx rgba(255, 138, 128, 0.3);
+
+      .avatar-emoji {
+        font-size: 40rpx;
+        color: #ffffff;
+      }
+    }
+  }
+
   .pet-info-text {
     flex: 1;
-    margin-left: 10px;
+    display: flex;
+    flex-direction: column;
+    gap: 8rpx;
+
+    .pet-name {
+      font-size: 32rpx;
+      font-weight: 600;
+      color: #333333;
+    }
+
+    .pet-status {
+      font-size: 24rpx;
+      color: #666666;
+    }
   }
-  
+
   .chat-status {
-    margin-left: 10px;
+    display: flex;
+    align-items: center;
+    gap: 12rpx;
+
+    .status-dot {
+      width: 16rpx;
+      height: 16rpx;
+      border-radius: 50%;
+      background: #4CAF50;
+      box-shadow: 0 0 0 4rpx rgba(76, 175, 80, 0.2);
+    }
+
+    .status-text {
+      font-size: 24rpx;
+      color: #4CAF50;
+      font-weight: 500;
+    }
   }
 }
 
 .chat-messages {
-  flex: 1;
-  padding: 0 15px;
+  position: absolute;
+  top: 140rpx; /* 宠物信息卡片的高度 */
+  left: 0;
+  right: 0;
+  bottom: 120rpx; /* 输入框的高度 */
+  width: 100%;
+  overflow: hidden;
+}
+
+.chat-scroll {
+  width: 100%;
+  height: 100%;
 }
 
 .message-list {
-  padding: 20px 0;
+  padding: 20rpx 0;
+  padding-bottom: 80rpx; /* 为输入框留出空间 */
+  min-height: 100%;
+  box-sizing: border-box;
 }
 
 .message-item {
   display: flex;
-  margin-bottom: 20px;
-  
-  &.user {
-    flex-direction: row-reverse;
-    
-    .message-content {
-      align-items: flex-end;
-    }
-    
-    .message-bubble {
-      background-color: #FF8A80;
-      color: #ffffff;
-    }
-  }
-  
-  &.ai {
-    .message-bubble {
-      background-color: #ffffff;
-      border: 1px solid #f0f0f0;
-    }
-  }
+  margin-bottom: 24rpx;
+  align-items: flex-start;
+}
+
+.message-item.user {
+  justify-content: flex-end;
+  padding: 0 30rpx 0 80rpx; /* 右边距30rpx，左边距80rpx给AI消息留空间 */
+}
+
+.message-item.ai {
+  justify-content: flex-start;
+  padding: 0 80rpx 0 30rpx; /* 左边距30rpx，右边距80rpx给用户消息留空间 */
 }
 
 .message-avatar {
-  margin: 0 10px;
+  width: 64rpx;
+  height: 64rpx;
+  margin: 0 16rpx;
+  flex-shrink: 0;
+}
+
+.pet-avatar, .user-avatar {
+  width: 100%;
+  height: 100%;
+  border-radius: 32rpx;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 32rpx;
+}
+
+.pet-avatar {
+  background: linear-gradient(135deg, #FF8A80, #FFB6C1);
+  box-shadow: 0 8rpx 24rpx rgba(255, 138, 128, 0.3);
+}
+
+.user-avatar {
+  background: linear-gradient(135deg, #81C784, #A5D6A7);
+  box-shadow: 0 8rpx 24rpx rgba(129, 199, 132, 0.3);
+}
+
+.avatar-emoji {
+  color: #ffffff;
 }
 
 .message-content {
   display: flex;
   flex-direction: column;
-  max-width: 70%;
+  max-width: 65%;
+}
+
+.message-content.user {
+  align-items: flex-end;
+}
+
+.message-content.ai {
+  align-items: flex-start;
 }
 
 .message-bubble {
-  padding: 12px 16px;
-  border-radius: 18px;
+  padding: 20rpx 24rpx;
+  border-radius: 24rpx;
   word-wrap: break-word;
-  
-  &.typing {
-    padding: 16px;
-  }
+  position: relative;
+}
+
+.message-bubble.ai {
+  background: rgba(255, 255, 255, 0.95);
+  backdrop-filter: blur(10rpx);
+  box-shadow: 0 4rpx 16rpx rgba(0, 0, 0, 0.1);
+  border-bottom-left-radius: 8rpx;
+}
+
+.message-bubble.ai.typing-bubble {
+  padding: 24rpx;
+}
+
+.message-bubble.user {
+  background: linear-gradient(135deg, #FF8A80 0%, #FFB6C1 100%);
+  box-shadow: 0 4rpx 16rpx rgba(255, 138, 128, 0.3);
+  border-bottom-right-radius: 8rpx;
+}
+
+.message-text {
+  font-size: 28rpx;
+  line-height: 1.4;
+  color: #333333;
+}
+
+.message-bubble.user .message-text {
+  color: #ffffff;
 }
 
 .message-time {
-  margin-top: 5px;
-  text-align: center;
+  margin-top: 8rpx;
+  font-size: 20rpx;
+  color: rgba(255, 255, 255, 0.7);
+}
+
+.message-content.user .message-time {
+  text-align: right;
+}
+
+.message-content.ai .message-time {
+  text-align: left;
 }
 
 .typing-dots {
   display: flex;
-  gap: 4px;
-  
-  .dot {
-    width: 6px;
-    height: 6px;
+  gap: 8rpx;
+  justify-content: center;
+
+  .typing-dot {
+    width: 12rpx;
+    height: 12rpx;
     border-radius: 50%;
-    background-color: #ccc;
+    background-color: #FF8A80;
     animation: typing 1.4s infinite ease-in-out;
-    
+
     &:nth-child(1) { animation-delay: -0.32s; }
     &:nth-child(2) { animation-delay: -0.16s; }
   }
@@ -397,20 +547,71 @@ export default {
 }
 
 .chat-input-area {
-  background-color: #ffffff;
-  border-top: 1px solid #f0f0f0;
-  padding: 15px 20px;
-  padding-bottom: calc(15px + env(safe-area-inset-bottom));
+  background: rgba(255, 255, 255, 0.95);
+  backdrop-filter: blur(20rpx);
+  padding: 16rpx 20rpx;
+  padding-bottom: calc(16rpx + env(safe-area-inset-bottom));
+  border-top: 1rpx solid rgba(255, 255, 255, 0.2);
+  position: absolute;
+  bottom: 0;
+  left: 0;
+  right: 0;
+  width: 100%;
+  box-sizing: border-box;
 }
 
 .input-container {
   display: flex;
   align-items: center;
-  gap: 10px;
-}
+  gap: 16rpx;
 
-.input-actions {
-  flex-shrink: 0;
+  .input-wrapper {
+    flex: 1;
+    background: rgba(255, 255, 255, 0.9);
+    border-radius: 28rpx;
+    padding: 0 20rpx;
+    backdrop-filter: blur(10rpx);
+    border: 1rpx solid rgba(255, 255, 255, 0.3);
+    height: 56rpx;
+    display: flex;
+    align-items: center;
+
+    .message-input {
+      width: 100%;
+      height: 100%;
+      font-size: 28rpx;
+      color: #333333;
+      border: none;
+      outline: none;
+      background: transparent;
+    }
+  }
+
+  .send-button {
+    padding: 12rpx 20rpx;
+    border-radius: 24rpx;
+    background: rgba(200, 200, 200, 0.5);
+    transition: all 0.3s ease;
+  }
+
+  .send-button.active {
+    background: linear-gradient(135deg, #FF8A80 0%, #FFB6C1 100%);
+    box-shadow: 0 4rpx 16rpx rgba(255, 138, 128, 0.4);
+  }
+
+  .send-button:active {
+    transform: scale(0.95);
+  }
+
+  .send-text {
+    font-size: 26rpx;
+    color: #ffffff;
+    font-weight: 500;
+  }
+
+  .send-button:not(.active) .send-text {
+    color: #cccccc;
+  }
 }
 
 .chat-menu {
diff --git a/pages/pets/pet-chat.vue b/pages/pets/pet-chat.vue
deleted file mode 100644
index ee27eeb..0000000
--- a/pages/pets/pet-chat.vue
+++ /dev/null
@@ -1,644 +0,0 @@
-<template>
-  <view class="pet-chat-container">
-    <!-- 聊天头部 -->
-    <view class="chat-header">
-      <view class="header-content">
-        <view class="back-button" @click="goBack">
-          <u-icon name="arrow-left" size="18" color="#ffffff"></u-icon>
-        </view>
-        <view class="pet-info">
-          <view class="pet-avatar">
-            <image :src="petInfo.avatar || '/static/default-pet.png'" class="avatar-img"></image>
-          </view>
-          <view class="pet-details">
-            <text class="pet-name">与{{ petInfo.name }}聊天</text>
-            <text class="pet-status">在线</text>
-          </view>
-        </view>
-        <view class="header-actions">
-          <view class="action-button" @click="showChatMenu">
-            <u-icon name="more-dot-fill" size="18" color="#ffffff"></u-icon>
-          </view>
-        </view>
-      </view>
-    </view>
-
-    <!-- 聊天消息列表 -->
-    <scroll-view 
-      class="chat-messages" 
-      scroll-y 
-      :scroll-top="scrollTop"
-      scroll-with-animation
-      @scrolltolower="loadMoreMessages"
-    >
-      <view class="message-list">
-        <!-- 加载更多提示 -->
-        <view class="load-more" v-if="hasMoreMessages">
-          <u-loading-icon v-if="loadingMore"></u-loading-icon>
-          <u-text text="上拉加载更多历史消息" type="tips" size="12" v-else></u-text>
-        </view>
-
-        <!-- 消息项 -->
-        <view 
-          class="message-item" 
-          v-for="message in messageList" 
-          :key="message.id"
-          :class="message.type"
-        >
-          <view class="message-avatar" v-if="message.type === 'ai'">
-            <u-avatar :src="petInfo.avatar || '/static/default-pet.png'" size="32" shape="circle"></u-avatar>
-          </view>
-          
-          <view class="message-content">
-            <view class="message-bubble" :class="message.type">
-              <u-text :text="message.content" size="14" :color="message.type === 'user' ? '#ffffff' : '#333333'"></u-text>
-            </view>
-            <view class="message-time">
-              <u-text :text="formatTime(message.timestamp)" type="tips" size="10"></u-text>
-            </view>
-          </view>
-
-          <view class="message-avatar" v-if="message.type === 'user'">
-            <u-avatar src="/static/user-avatar.png" size="32" shape="circle"></u-avatar>
-          </view>
-        </view>
-
-        <!-- AI正在输入提示 -->
-        <view class="message-item ai" v-if="aiTyping">
-          <view class="message-avatar">
-            <u-avatar :src="petInfo.avatar || '/static/default-pet.png'" size="32" shape="circle"></u-avatar>
-          </view>
-          <view class="message-content">
-            <view class="message-bubble ai typing">
-              <view class="typing-dots">
-                <view class="dot"></view>
-                <view class="dot"></view>
-                <view class="dot"></view>
-              </view>
-            </view>
-          </view>
-        </view>
-      </view>
-    </scroll-view>
-
-    <!-- 输入区域 -->
-    <view class="chat-input-area">
-      <view class="input-container">
-        <u-input 
-          v-model="inputMessage"
-          placeholder="和你的宠物说点什么..."
-          :border="false"
-          :custom-style="inputStyle"
-          @keyboardheightchange="onKeyboardHeightChange"
-          @confirm="sendMessage"
-          confirm-type="send"
-        ></u-input>
-        <view class="input-actions">
-          <u-icon name="mic" size="20" color="#999" @click="startVoiceInput" v-if="!inputMessage"></u-icon>
-          <u-button 
-            type="primary" 
-            size="mini" 
-            text="发送" 
-            @click="sendMessage"
-            :disabled="!inputMessage.trim()"
-            v-else
-          ></u-button>
-        </view>
-      </view>
-    </view>
-
-    <!-- 聊天菜单弹窗 -->
-    <u-popup v-model="showMenu" mode="bottom" border-radius="20">
-      <view class="chat-menu">
-        <view class="menu-title">
-          <u-text text="聊天设置" type="primary" size="16" bold></u-text>
-        </view>
-        <view class="menu-items">
-          <view class="menu-item" @click="clearHistory">
-            <u-icon name="delete" size="20" color="#ff6b6b"></u-icon>
-            <u-text text="清空聊天记录" size="14"></u-text>
-          </view>
-          <view class="menu-item" @click="exportHistory">
-            <u-icon name="download" size="20" color="#64B5F6"></u-icon>
-            <u-text text="导出聊天记录" size="14"></u-text>
-          </view>
-          <view class="menu-item" @click="togglePersonality">
-            <u-icon name="setting" size="20" color="#81C784"></u-icon>
-            <u-text text="个性化设置" size="14"></u-text>
-          </view>
-        </view>
-        <view class="menu-cancel" @click="showMenu = false">
-          <u-text text="取消" type="info" size="14"></u-text>
-        </view>
-      </view>
-    </u-popup>
-  </view>
-</template>
-
-<script>
-import { ref, reactive, onMounted, nextTick } from 'vue'
-
-export default {
-  name: 'PetChat',
-  setup() {
-    // 响应式数据
-    const state = reactive({
-      petId: '',
-      petInfo: {},
-      messageList: [],
-      inputMessage: '',
-      scrollTop: 0,
-      aiTyping: false,
-      showMenu: false,
-      hasMoreMessages: true,
-      loadingMore: false,
-      keyboardHeight: 0
-    })
-
-    // 样式配置
-    const inputStyle = {
-      backgroundColor: '#f8f9fa',
-      borderRadius: '20px',
-      padding: '10px 15px'
-    }
-
-    // 生命周期
-    onMounted(() => {
-      initPage()
-    })
-
-    // 初始化页面
-    const initPage = () => {
-      // 获取宠物ID（从路由参数）
-      const pages = getCurrentPages()
-      const currentPage = pages[pages.length - 1]
-      state.petId = currentPage.options.petId || '1'
-      
-      loadPetInfo()
-      loadChatHistory()
-    }
-
-    // 加载宠物信息
-    const loadPetInfo = () => {
-      // 模拟从本地存储获取宠物信息
-      const mockPets = [
-        {
-          id: '1',
-          name: '小橘',
-          breed: '橘猫',
-          personality: '活泼好动，喜欢撒娇',
-          avatar: '/static/cat-avatar.jpg'
-        },
-        {
-          id: '2', 
-          name: '小白',
-          breed: '金毛',
-          personality: '温顺友好，聪明伶俐',
-          avatar: '/static/dog-avatar.jpg'
-        }
-      ]
-      
-      state.petInfo = mockPets.find(pet => pet.id === state.petId) || mockPets[0]
-    }
-
-    // 加载聊天历史
-    const loadChatHistory = () => {
-      // 模拟聊天历史数据
-      const mockMessages = [
-        {
-          id: '1',
-          type: 'ai',
-          content: `你好主人！我是${state.petInfo.name}，今天感觉特别开心呢！有什么想和我聊的吗？`,
-          timestamp: Date.now() - 3600000
-        },
-        {
-          id: '2',
-          type: 'user', 
-          content: '小橘今天吃饭怎么样？',
-          timestamp: Date.now() - 3500000
-        },
-        {
-          id: '3',
-          type: 'ai',
-          content: '今天的小鱼干特别香！我吃得可开心了，还想要更多呢～主人你也要记得按时吃饭哦！',
-          timestamp: Date.now() - 3400000
-        },
-        {
-          id: '4',
-          type: 'user',
-          content: '那你今天有没有调皮捣蛋？',
-          timestamp: Date.now() - 3300000
-        },
-        {
-          id: '5',
-          type: 'ai',
-          content: '嘿嘿，我今天把你的拖鞋藏起来了！不过是因为太想你了，想要你的味道陪着我～',
-          timestamp: Date.now() - 3200000
-        }
-      ]
-      
-      state.messageList = mockMessages
-      scrollToBottom()
-    }
-
-    // 发送消息
-    const sendMessage = () => {
-      if (!state.inputMessage.trim()) return
-
-      const userMessage = {
-        id: Date.now().toString(),
-        type: 'user',
-        content: state.inputMessage.trim(),
-        timestamp: Date.now()
-      }
-
-      state.messageList.push(userMessage)
-      const messageContent = state.inputMessage.trim()
-      state.inputMessage = ''
-
-      // 滚动到底部
-      scrollToBottom()
-
-      // 模拟AI回复
-      simulateAIReply(messageContent)
-    }
-
-    // 模拟AI回复
-    const simulateAIReply = (userMessage) => {
-      state.aiTyping = true
-      scrollToBottom()
-
-      setTimeout(() => {
-        const aiResponse = generateAIResponse(userMessage)
-        const aiMessage = {
-          id: (Date.now() + 1).toString(),
-          type: 'ai',
-          content: aiResponse,
-          timestamp: Date.now()
-        }
-
-        state.messageList.push(aiMessage)
-        state.aiTyping = false
-        scrollToBottom()
-      }, 1500 + Math.random() * 1000) // 1.5-2.5秒随机延迟
-    }
-
-    // 生成AI回复内容
-    const generateAIResponse = (userMessage) => {
-      const petName = state.petInfo.name
-      const responses = {
-        // 问候类
-        greeting: [
-          `${petName}最喜欢和主人聊天了！今天过得怎么样呀？`,
-          `主人好！${petName}今天心情特别好呢～`,
-          `哇！主人来找我聊天了，${petName}好开心！`
-        ],
-        // 食物相关
-        food: [
-          `说到吃的，${petName}就兴奋了！今天的小鱼干特别香呢～`,
-          `${petName}最爱吃主人准备的美食了！什么时候再给我加餐呀？`,
-          `嘿嘿，${petName}今天偷偷多吃了一点，不要告诉其他人哦！`
-        ],
-        // 健康相关
-        health: [
-          `${petName}今天身体棒棒的！谢谢主人这么关心我～`,
-          `${petName}觉得自己越来越健康了，都是主人照顾得好！`,
-          `主人真贴心！${petName}会好好保护自己的身体的！`
-        ],
-        // 玩耍相关
-        play: [
-          `${petName}最喜欢和主人一起玩了！我们什么时候再玩游戏呀？`,
-          `玩耍时间到！${petName}已经准备好了，主人快来陪我！`,
-          `${petName}今天学会了新的小把戏，想不想看看？`
-        ],
-        // 情感相关
-        emotion: [
-          `${petName}最爱主人了！每天都想和你在一起～`,
-          `主人不在的时候，${petName}会想念你的味道呢！`,
-          `${petName}觉得自己是世界上最幸福的小宝贝！`
-        ],
-        // 默认回复
-        default: [
-          `${petName}听不太懂，但是很开心能和主人聊天！`,
-          `主人说的话${petName}都会认真听的！`,
-          `${petName}觉得主人说得很有道理呢！`,
-          `虽然${petName}不太明白，但是感觉很厉害的样子！`
-        ]
-      }
-
-      // 简单的关键词匹配
-      const message = userMessage.toLowerCase()
-      let category = 'default'
-
-      if (message.includes('你好') || message.includes('hi') || message.includes('hello')) {
-        category = 'greeting'
-      } else if (message.includes('吃') || message.includes('食') || message.includes('饭') || message.includes('零食')) {
-        category = 'food'
-      } else if (message.includes('健康') || message.includes('身体') || message.includes('生病') || message.includes('医生')) {
-        category = 'health'
-      } else if (message.includes('玩') || message.includes('游戏') || message.includes('运动') || message.includes('散步')) {
-        category = 'play'
-      } else if (message.includes('爱') || message.includes('想') || message.includes('喜欢') || message.includes('亲亲')) {
-        category = 'emotion'
-      }
-
-      const categoryResponses = responses[category]
-      return categoryResponses[Math.floor(Math.random() * categoryResponses.length)]
-    }
-
-    // 滚动到底部
-    const scrollToBottom = () => {
-      nextTick(() => {
-        state.scrollTop = 99999
-      })
-    }
-
-    // 格式化时间
-    const formatTime = (timestamp) => {
-      const date = new Date(timestamp)
-      const now = new Date()
-      const diff = now - date
-
-      if (diff < 60000) { // 1分钟内
-        return '刚刚'
-      } else if (diff < 3600000) { // 1小时内
-        return `${Math.floor(diff / 60000)}分钟前`
-      } else if (diff < 86400000) { // 24小时内
-        return `${Math.floor(diff / 3600000)}小时前`
-      } else {
-        return `${date.getMonth() + 1}月${date.getDate()}日`
-      }
-    }
-
-    // 返回上一页
-    const goBack = () => {
-      uni.navigateBack()
-    }
-
-    // 显示聊天菜单
-    const showChatMenu = () => {
-      state.showMenu = true
-    }
-
-    // 加载更多消息
-    const loadMoreMessages = () => {
-      if (state.loadingMore || !state.hasMoreMessages) return
-
-      state.loadingMore = true
-
-      // 模拟加载历史消息
-      setTimeout(() => {
-        const moreMessages = [
-          {
-            id: `history_${Date.now()}`,
-            type: 'ai',
-            content: `主人，${state.petInfo.name}想你了！`,
-            timestamp: Date.now() - 7200000
-          }
-        ]
-
-        state.messageList.unshift(...moreMessages)
-        state.loadingMore = false
-
-        // 模拟没有更多消息
-        if (state.messageList.length > 20) {
-          state.hasMoreMessages = false
-        }
-      }, 1000)
-    }
-
-    // 清空聊天记录
-    const clearHistory = () => {
-      uni.showModal({
-        title: '确认清空',
-        content: '确定要清空所有聊天记录吗？此操作不可恢复。',
-        success: (res) => {
-          if (res.confirm) {
-            state.messageList = []
-            state.showMenu = false
-            uni.showToast({
-              title: '已清空聊天记录',
-              icon: 'success'
-            })
-          }
-        }
-      })
-    }
-
-    // 导出聊天记录
-    const exportHistory = () => {
-      uni.showToast({
-        title: '导出功能开发中',
-        icon: 'none'
-      })
-      state.showMenu = false
-    }
-
-    // 个性化设置
-    const togglePersonality = () => {
-      uni.showToast({
-        title: '个性化设置开发中',
-        icon: 'none'
-      })
-      state.showMenu = false
-    }
-
-    // 语音输入
-    const startVoiceInput = () => {
-      uni.showToast({
-        title: '语音功能开发中',
-        icon: 'none'
-      })
-    }
-
-    // 键盘高度变化
-    const onKeyboardHeightChange = (e) => {
-      state.keyboardHeight = e.detail.height
-      if (e.detail.height > 0) {
-        scrollToBottom()
-      }
-    }
-
-    return {
-      ...state,
-      inputStyle,
-      sendMessage,
-      formatTime,
-      goBack,
-      showChatMenu,
-      loadMoreMessages,
-      clearHistory,
-      exportHistory,
-      togglePersonality,
-      startVoiceInput,
-      onKeyboardHeightChange
-    }
-  }
-}
-</script>
-
-<style lang="scss" scoped>
-.pet-chat-container {
-  height: 100vh;
-  display: flex;
-  flex-direction: column;
-  background-color: #f8f9fa;
-}
-
-.pet-info-card {
-  display: flex;
-  align-items: center;
-  padding: 15px 20px;
-  background-color: #ffffff;
-  border-bottom: 1px solid #f0f0f0;
-  
-  .pet-info-text {
-    flex: 1;
-    margin-left: 10px;
-  }
-  
-  .chat-status {
-    margin-left: 10px;
-  }
-}
-
-.chat-messages {
-  flex: 1;
-  padding: 0 15px;
-}
-
-.message-list {
-  padding: 20px 0;
-}
-
-.load-more {
-  text-align: center;
-  padding: 20px 0;
-}
-
-.message-item {
-  display: flex;
-  margin-bottom: 20px;
-  
-  &.user {
-    flex-direction: row-reverse;
-    
-    .message-content {
-      align-items: flex-end;
-    }
-    
-    .message-bubble {
-      background-color: #FF8A80;
-      color: #ffffff;
-    }
-  }
-  
-  &.ai {
-    .message-bubble {
-      background-color: #ffffff;
-      border: 1px solid #f0f0f0;
-    }
-  }
-}
-
-.message-avatar {
-  margin: 0 10px;
-}
-
-.message-content {
-  display: flex;
-  flex-direction: column;
-  max-width: 70%;
-}
-
-.message-bubble {
-  padding: 12px 16px;
-  border-radius: 18px;
-  word-wrap: break-word;
-  
-  &.typing {
-    padding: 16px;
-  }
-}
-
-.message-time {
-  margin-top: 5px;
-  text-align: center;
-}
-
-.typing-dots {
-  display: flex;
-  gap: 4px;
-  
-  .dot {
-    width: 6px;
-    height: 6px;
-    border-radius: 50%;
-    background-color: #ccc;
-    animation: typing 1.4s infinite ease-in-out;
-    
-    &:nth-child(1) { animation-delay: -0.32s; }
-    &:nth-child(2) { animation-delay: -0.16s; }
-  }
-}
-
-@keyframes typing {
-  0%, 80%, 100% {
-    transform: scale(0.8);
-    opacity: 0.5;
-  }
-  40% {
-    transform: scale(1);
-    opacity: 1;
-  }
-}
-
-.chat-input-area {
-  background-color: #ffffff;
-  border-top: 1px solid #f0f0f0;
-  padding: 15px 20px;
-  padding-bottom: calc(15px + env(safe-area-inset-bottom));
-}
-
-.input-container {
-  display: flex;
-  align-items: center;
-  gap: 10px;
-}
-
-.input-actions {
-  flex-shrink: 0;
-}
-
-.chat-menu {
-  padding: 20px;
-  
-  .menu-title {
-    text-align: center;
-    padding-bottom: 20px;
-    border-bottom: 1px solid #f0f0f0;
-  }
-  
-  .menu-items {
-    padding: 20px 0;
-  }
-  
-  .menu-item {
-    display: flex;
-    align-items: center;
-    gap: 15px;
-    padding: 15px 0;
-    border-bottom: 1px solid #f8f9fa;
-    
-    &:last-child {
-      border-bottom: none;
-    }
-  }
-  
-  .menu-cancel {
-    text-align: center;
-    padding: 15px 0;
-    border-top: 1px solid #f0f0f0;
-  }
-}
-</style>