diff --git a/pages/message/chat.scss b/pages/message/chat.scss
index 320ab16..72447c2 100644
--- a/pages/message/chat.scss
+++ b/pages/message/chat.scss
@@ -6,13 +6,15 @@ $text-color-sub: #999;
 $primary-color: #0877F1;
 
 .chat-page {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
   display: flex;
   flex-direction: column;
-  height: 100vh;
   background-color: #f5f5f5;
   overflow: hidden;
-  position: relative;
-  width: 100%;
 }
 
 /* 患者信息栏样式 - 固定在顶部 */
@@ -24,10 +26,8 @@ $primary-color: #0877F1;
   background: #fff;
   border-bottom: 1rpx solid #f0f0f0;
   padding: 20rpx 32rpx;
-  z-index: 100;
-  flex-shrink: 0; /* 防止被压缩 */
-  width: 100%;
-  box-sizing: border-box;
+  z-index: 10;
+  flex-shrink: 0;
 }
 
 .patient-info-content {
@@ -91,15 +91,14 @@ $primary-color: #0877F1;
 }
 
 .chat-content {
-  flex: 1;
+  position: fixed;
+  top: 100rpx; /* 患者信息栏高度，根据实际调整 */
+  left: 0;
+  right: 0;
+  bottom: 200rpx; /* 输入框高度，根据实际调整 */
   box-sizing: border-box;
   overflow-x: hidden;
   overflow-y: auto;
-  min-height: 0;
-  margin-top: 120rpx;
-  margin-bottom: 0;
-  position: relative;
-  z-index: 1;
 }
 
 .chat-content-compressed {
@@ -364,19 +363,31 @@ $primary-color: #0877F1;
 }
 
 .input-section {
+  position: fixed;
+  bottom: 0;
+  left: 0;
+  right: 0;
   background: #fff;
-  border-top: 1rpx solid #e0e0e0;
-  position: relative;
   z-index: 200;
-  padding-bottom: env(safe-area-inset-bottom);
   flex-shrink: 0;
+  transform: translateZ(0); /* 开启硬件加速，提升性能 */
+  display: flex;
+  flex-direction: column;
+}
+
+.ai-assistant-slot {
+  width: 100%;
+  background: #fff;
 }
 
 .input-toolbar {
   display: flex;
   align-items: center;
-  padding: 16rpx 20rpx;
+  padding: 12rpx 20rpx;
+  padding-bottom: env(safe-area-inset-bottom);
   gap: 12rpx;
+  border-top: 1rpx solid #e0e0e0;
+  background: #fff;
 }
 
 .voice-toggle-btn {
@@ -499,7 +510,8 @@ $primary-color: #0877F1;
   justify-content: flex-start;
   background: #fff;
   border-top: 1rpx solid #eee;
-  padding: 20rpx 0 40rpx 60rpx;
+  padding: 20rpx 0 20rpx 60rpx;
+  padding-bottom: env(safe-area-inset-bottom);
   gap: 40rpx 50rpx;
   flex-wrap: wrap;
   background-color: #f5f5f5;
diff --git a/pages/message/components/ai-assistant-buttons.vue b/pages/message/components/ai-assistant-buttons.vue
index 40b93af..634cf87 100644
--- a/pages/message/components/ai-assistant-buttons.vue
+++ b/pages/message/components/ai-assistant-buttons.vue
@@ -383,7 +383,6 @@ defineExpose({
   gap: 16rpx;
   padding: 16rpx 24rpx;
   background-color: #f8f9fa;
-  border-bottom: 1rpx solid #e5e5e5;
 
   .ai-button {
     display: flex;
diff --git a/pages/message/components/chat-input.vue b/pages/message/components/chat-input.vue
index fb83473..515345b 100644
--- a/pages/message/components/chat-input.vue
+++ b/pages/message/components/chat-input.vue
@@ -1,5 +1,10 @@
 <template>
   <view class="input-section">
+    <!-- AI助手按钮组 -->
+    <view class="ai-assistant-slot">
+      <slot name="ai-assistant"></slot>
+    </view>
+    
     <view class="input-toolbar">
       <view @click="toggleVoiceInput" class="voice-toggle-btn">
         <image v-if="showVoiceInput" src="/static/jianpan.png" class="voice-toggle-icon" mode="aspectFit"></image>
@@ -8,7 +13,8 @@
       <view class="input-area">
         <textarea v-if="!showVoiceInput" class="text-input" v-model="inputText" placeholder="我来说两句..." 
           @confirm="sendTextMessage" @focus="handleInputFocus" @input="handleInput" 
-          :auto-height="true" :show-confirm-bar="false" :adjust-position="true" :cursor-spacing="30"
+          :auto-height="true" :show-confirm-bar="false" :hold-keyboard="true"
+          ref="textareaRef"
           />
         <input v-else class="voice-input-btn" :class="{ recording: isRecording }" @touchstart="startRecord"
           @touchmove="onRecordTouchMove" @touchend="stopRecord" @touchcancel="cancelRecord" :placeholder="isRecording ? '松开发送' : '按住说话'" disabled>
@@ -100,6 +106,7 @@ const showVoiceInput = ref(false);
 const showMorePanel = ref(false);
 const isRecording = ref(false);
 const recordingText = ref("录音中...");
+const textareaRef = ref(null);
 const cloudCustomData = computed(() => {
   const arr = [
     props.chatRoomBusiness.businessType,
@@ -167,8 +174,19 @@ const initRecorderManager = () => {
 const sendTextMessage = async () => {
   if (!inputText.value.trim()) return;
 
-  await sendMessage("text", inputText.value);
+  const textToSend = inputText.value;
   inputText.value = "";
+  
+  await sendMessage("text", textToSend);
+  
+  // 发送后保持焦点，不收起键盘
+  nextTick(() => {
+    // 通过设置 focus 属性来保持键盘显示
+    // 注意：在某些情况下可能需要延迟执行
+    setTimeout(() => {
+      // 这里不需要手动聚焦，因为 hold-keyboard 会保持键盘
+    }, 50);
+  });
 };
 
 // 从常用语发送文本消息
diff --git a/pages/message/index.vue b/pages/message/index.vue
index c8da4b5..bb66e2e 100644
--- a/pages/message/index.vue
+++ b/pages/message/index.vue
@@ -133,23 +133,6 @@
       @cancel="handleRejectReasonCancel"
     />
 
-    <!-- AI助手按钮组 -->
-    <AIAssistantButtons
-      v-if="
-        !isEvaluationPopupOpen &&
-        !showConsultAccept &&
-        orderStatus === 'processing'
-      "
-      ref="aiAssistantRef"
-      :groupId="groupId"
-      :patientAccountId="chatInfo.userID || ''"
-      :patientId="patientId"
-      :corpId="corpId"
-      @streamText="handleStreamText"
-      @clearInput="handleClearInput"
-      @generatingStateChange="handleGeneratingStateChange"
-    />
-
     <!-- 聊天输入组件 -->
     <ChatInput
       v-if="!isEvaluationPopupOpen && !showConsultAccept"
@@ -172,7 +155,22 @@
       @messageSent="() => scrollToBottom(true)"
       @endConsult="handleEndConsult"
       @openConsult="handleOpenConsult"
-    />
+    >
+      <!-- AI助手按钮组插槽 -->
+      <template #ai-assistant>
+        <AIAssistantButtons
+          v-if="orderStatus === 'processing'"
+          ref="aiAssistantRef"
+          :groupId="groupId"
+          :patientAccountId="chatInfo.userID || ''"
+          :patientId="patientId"
+          :corpId="corpId"
+          @streamText="handleStreamText"
+          @clearInput="handleClearInput"
+          @generatingStateChange="handleGeneratingStateChange"
+        />
+      </template>
+    </ChatInput>
   </view>
 </template>
 
@@ -214,6 +212,7 @@ const timChatManager = globalTimChatManager;
 const PENDING_FOLLOWUP_SEND_STORAGE_KEY = "ykt_followup_pending_send";
 const pendingFollowUpSendConsumed = ref(false);
 const initialMessageListLoaded = ref(false);
+const isCallbacksInitialized = ref(false); // 标记回调是否已初始化
 
 function normalizeGroupId(v) {
   const s = String(v || "").trim();
@@ -302,6 +301,7 @@ const chatInfo = ref({
   userID: "",
   avatar: "/static/home/avatar.svg",
 });
+
 // 评价弹窗状态
 const isEvaluationPopupOpen = ref(false);
 
@@ -492,6 +492,9 @@ const checkLoginAndInitTIM = async () => {
 
 // 初始化IM回调函数
 const initTIMCallbacks = async () => {
+  // 标记回调已初始化
+  isCallbacksInitialized.value = true;
+  
   timChatManager.setCallback("onSDKReady", () => {
     if (messageList.value.length === 0 && !isLoading.value) {
       loadMessageList();
@@ -878,26 +881,49 @@ onShow(() => {
   if (!isIMInitialized.value) {
     checkLoginAndInitTIM();
   } else if (timChatManager.tim && !timChatManager.isLoggedIn) {
-    timChatManager.ensureIMConnection();
+    // IM未登录，尝试重连
+    timChatManager.ensureIMConnection().then(() => {
+      // 重连成功后重新注册回调
+      if (timChatManager.isLoggedIn && chatInfo.value.conversationID) {
+        console.log("✓ 重连成功，重新注册消息监听回调");
+        initTIMCallbacks();
+        timChatManager.setConversationID(chatInfo.value.conversationID);
+      }
+    });
   } else if (
     timChatManager.tim &&
     timChatManager.isLoggedIn &&
     chatInfo.value.conversationID
-  )
+  ) {
+    // IM已登录，只需要重新设置会话ID，不重新注册回调（避免影响正在发送的消息）
+    console.log("✓ 页面显示，重新设置当前会话ID");
+    timChatManager.setConversationID(chatInfo.value.conversationID);
+    
+    // 如果回调未初始化，才进行初始化
+    if (!isCallbacksInitialized.value) {
+      console.log("✓ 回调未初始化，进行初始化");
+      initTIMCallbacks();
+    }
+    
+    // 标记会话为已读
+    if (timChatManager.tim && timChatManager.isLoggedIn) {
+      timChatManager.tim
+        .setMessageRead({
+          conversationID: chatInfo.value.conversationID,
+        })
+        .then(() => {
+          console.log("✓ 页面显示时已标记会话为已读");
+        })
+        .catch((error) => {
+          console.error("✗ 标记会话已读失败:", error);
+        });
+    }
+    
     startIMMonitoring(30000);
+  }
 
   // 监听回访任务发送事件
   uni.$on("send-followup-message", handleSendFollowUpMessage);
-
-  // 监听键盘高度变化，自动滚动到底部
-  uni.onKeyboardHeightChange((res) => {
-    if (res.height > 0) {
-      // 键盘弹出，延迟滚动到底部
-      setTimeout(() => {
-        scrollToBottom(true);
-      }, 100);
-    }
-  });
 });
 
 // 处理发送回访任务消息
diff --git a/pages/work/hospital-select.vue b/pages/work/hospital-select.vue
index 6a97065..e9c6cf6 100644
--- a/pages/work/hospital-select.vue
+++ b/pages/work/hospital-select.vue
@@ -96,4 +96,8 @@ onLoad((opt) => {
   width: 40rpx;
   height: 40rpx;
 }
+
+.pt-12 {
+  padding-top: 24rpx;
+}
 </style>
diff --git a/utils/send-message-helper.js b/utils/send-message-helper.js
index c35dd93..3e1b81a 100644
--- a/utils/send-message-helper.js
+++ b/utils/send-message-helper.js
@@ -192,6 +192,7 @@ export async function sendArticleMessage(article, options = {}) {
                     userId: options.userId,
                     customerId: options.customerId,
                     corpId: options.corpId,
+                    uniqueRecord: 'YES'
                 };
                 if (options.teamId) {
                     params.teamId = options.teamId;
@@ -424,7 +425,7 @@ export async function handleFollowUpMessages(messages, context = {}) {
                     corpId: context.corpId,
                 });
             } else if (msg.type === 'questionnaire') {
-                
+
                 success = await sendSurveyMessage(msg.content, {
                     userId: context.userId,
                     customerId: context.customerId,