chore：用户提问和客服回答可以看见了

pages_tool/ai-chat/ai-chat-message.vue

@@ -1,12 +1,23 @@
 <template>
   <view class="ai-chat-container">
     <!-- 聊天消息列表 -->
+    <!-- #ifdef H5 -->
+    <scroll-view 
+      class="chat-messages" 
+      scroll-y 
+      :scroll-into-view="scrollIntoViewId"
+      :scroll-with-animation="true"
+      @scroll="onScroll">
+    <!-- #endif -->
+    
+    <!-- #ifdef MP-WEIXIN -->
     <scroll-view 
       class="chat-messages" 
       scroll-y 
       :scroll-top="scrollTop"
-       @scroll="onScroll"
-      :scroll-with-animation="false">
+      :scroll-with-animation="true"
+      @scroll="onScroll">
+    <!-- #endif -->
       
       <!-- 加载更多历史消息 -->
       <view class="load-more" v-if="hasMoreHistory">
@@ -17,6 +28,7 @@
       <view 
         v-for="(message, index) in messages.filter(msg => msg.content && msg.content.trim() !== '')" 
         :key="`msg-${message.id || message.timestamp}-${index}`"  
+        :id="`msg-${message.id || message.timestamp}-${index}`"
         class="message-item"
         :class="[message.role, { 'first-message': index === 0 }]">
         
@@ -166,7 +178,13 @@
           </view>
         </view>
       </view>
+    <!-- #ifdef H5 -->
     </scroll-view>
+    <!-- #endif -->
+    
+    <!-- #ifdef MP-WEIXIN -->
+    </scroll-view>
+    <!-- #endif -->
     
     <!-- 输入区域 -->
     <view class="input-area">
@@ -380,6 +398,7 @@ export default {
       messages: [],
       inputText: '',
       scrollTop: 0,
+      scrollIntoViewId: null,
       hasMoreHistory: false,
       loadingText: '加载更多历史消息',
       voiceInputing: false,
@@ -466,11 +485,9 @@ export default {
       messages: {
         handler() {
           this.$nextTick(() => {
-            // 仅当不是加载历史、且需要滚底时，才执行滚底
-            if (!this.isLoadingHistory && this.shouldScrollToBottom) {
+            // 仅当不是加载历史时，执行滚底
+            if (!this.isLoadingHistory) {
               this.scrollToBottom()
-              // 滚底后重置状态，避免重复触发
-              this.shouldScrollToBottom = false
             }
           })
         },
@@ -878,10 +895,11 @@ async loadChatHistoryIfExist() {
      await aiService.sendHttpStream(
        userMessage,
        (chunk) => {
-         // 实时更新内容
-         streamMessage.content += chunk;
-         this.$forceUpdate(); // 强制更新视图
-       },
+        // 实时更新内容
+        streamMessage.content += chunk;
+        this.$forceUpdate(); // 强制更新视图
+        this.scrollToBottom(); // 滚动到底部
+      },
        (completeResult) => {
          // 流结束回调
          let convId = '';
@@ -923,10 +941,11 @@ async loadChatHistoryIfExist() {
      await aiService.sendStreamMessage(
        userMessage,
        (chunk) => {
-         // 实时更新内容
-         streamMessage.content += chunk;
-         this.$forceUpdate();
-       },
+        // 实时更新内容
+        streamMessage.content += chunk;
+        this.$forceUpdate();
+        this.scrollToBottom(); // 滚动到底部
+      },
        (completeResult) => {
         // 流结束回调
         let convId = completeResult?.conversation_id || '';
@@ -1045,9 +1064,34 @@ async loadChatHistoryIfExist() {
     
     // 滚动到底部
     scrollToBottom() {
-      setTimeout(() => {
-        this.scrollTop = 999999
-      }, 100)
+      if (this.scrollTimer) {
+        clearTimeout(this.scrollTimer);
+      }
+      this.scrollTimer = setTimeout(() => {
+        // #ifdef H5
+        if (this.messages.length > 0) {
+          const filteredMessages = this.messages.filter(msg => msg.content && msg.content.trim() !== '');
+          if (filteredMessages.length > 0) {
+            const lastMessage = filteredMessages[filteredMessages.length - 1];
+            const lastIndex = this.messages.indexOf(lastMessage);
+            this.scrollIntoViewId = `msg-${lastMessage.id || lastMessage.timestamp}-${lastIndex}`;
+            this.$nextTick(() => {
+              setTimeout(() => {
+                this.scrollIntoViewId = null;
+              }, 100);
+            });
+          }
+        }
+        // #endif
+        
+        // #ifdef MP-WEIXIN
+        // 先重置为0，再设置大值，确保视图更新
+        this.scrollTop = 0;
+        this.$nextTick(() => {
+          this.scrollTop = 9999999;
+        });
+        // #endif
+      }, 50);
     },
     
     // 加载更多历史消息