diff --git a/src/components/CreateServiceOrder/index.vue b/src/components/CreateServiceOrder/index.vue
index b024687..14d019b 100644
--- a/src/components/CreateServiceOrder/index.vue
+++ b/src/components/CreateServiceOrder/index.vue
@@ -19,8 +19,8 @@
         <view
           class="bg-F5F7FA border-box flex flex-items-center p-12 rounded-10 font-size-14 color-171717 mb-12"
         >
-          <text class="font-500 line-height-22 mr-20">房间号</text>
-          <input placeholder="请填写房间号" v-model="roomId" />
+          <text class="font-500 line-height-22 mr-20">所在位置</text>
+          <input placeholder="请填写所在位置" v-model="roomId" />
         </view>
 
         <view
@@ -90,7 +90,7 @@
       <view v-else class="border-box card-content flex flex-items-center p-12">
         <view class="border-box left flex-full pr-20">
           <view class="font-size-12 color-525866 line-height-20 mb-4"
-            >房间号：{{ roomId }}</view
+            >所在位置：{{ roomId }}</view
           >
           <view class="font-size-12 color-525866 line-height-20 mb-4"
             >联系方式: {{ contactPhone }}</view
@@ -210,7 +210,7 @@ const handleCall = async () => {
   }
 
   if (!roomId.value.trim()) {
-    uni.showToast({ title: "请填写房间号", icon: "none" });
+    uni.showToast({ title: "请填写所在位置", icon: "none" });
     return;
   }
 
diff --git a/src/pages/index/components/chat/ChatMainList/index.vue b/src/pages/index/components/chat/ChatMainList/index.vue
index 81a283d..e1290c6 100644
--- a/src/pages/index/components/chat/ChatMainList/index.vue
+++ b/src/pages/index/components/chat/ChatMainList/index.vue
@@ -10,7 +10,7 @@
       :scroll-with-animation="true" @scroll="handleScroll" @scrolltolower="handleScrollToLower">
       <!-- welcome栏 -->
       <ChatTopWelcome ref="welcomeRef" :mainPageDataModel="mainPageDataModel" />
-      <NoticeMessage></NoticeMessage>
+      <NoticeMessage v-if="notitceConent"></NoticeMessage>
 
       <view class="area-msg-list-content" v-for="item in chatMsgList" :key="item.msgId" :id="item.msgId">
         <template v-if="item.msgType === MessageRole.AI">
@@ -32,7 +32,7 @@
                 item.toolCall && item.toolCall.componentName === CompName.mapCard
               " />
               <GeneratorPhotoComponent v-else-if="
-                item.toolCall && item.toolCall.componentName === CompName.generateMessageId
+                item.toolCall && item.toolCall.componentName === CompName.aigcPhotoGeneratorCard
               " />
               <Feedback v-else-if="
                 item.toolCall && item.toolCall.componentName === CompName.feedbackCard
@@ -95,7 +95,7 @@ import {
   NOTICE_EVENT_LOGOUT,
   NOTICE_EVENT_LOGIN_SUCCESS,
 } from "@/constant/constant";
-import { MessageRole, CompName } from "@/model/ChatModel";
+import { MessageRole, MessageType, CompName, Command } from "@/model/ChatModel";
 import ChatTopWelcome from "../ChatTopWelcome/index.vue";
 import NoticeMessage from "../NoticeMessage/index.vue";
 import ChatTopNavBar from "../ChatTopNavBar/index.vue";
@@ -135,6 +135,7 @@ const statusBarHeight = ref(20);
 const inputAreaRef = ref(null);
 const topNavBarRef = ref();
 const welcomeRef = ref();
+const notitceConent = ref("");
 
 const holdKeyboardTimer = ref(null);
 /// focus时，点击页面的时候不收起键盘
@@ -419,6 +420,16 @@ const initWebSocket = async () => {
         console.log("WebSocket连接成功");
         // 重置会话状态
         isSessionActive.value = false; // 连接成功时重置会话状态，避免影响新消息发送
+
+        // 连接成功后发送 welcome 消息 (messageType=4)
+        try {
+          // fire-and-forget, sendWebSocketMessage 会处理重连与队列
+          sendWebSocketMessage(MessageType.notice, Command.welcome, { tryReconnect: true, messageId:IdUtils.generateMessageId() }).catch((e) => {
+            console.warn('发送 Command.welcome 消息失败:', e);
+          });
+        } catch (e) {
+          console.warn('发送 Command.welcome 消息时异常:', e);
+        }
       },
 
       // 连接断开回调
@@ -475,6 +486,15 @@ const handleWebSocketMessage = (data) => {
     return;
   }
 
+  // Welcome 消息 (messageType=4)：用于更新顶部欢迎栏内容
+  if (data.messageType && data.messageType === 'broadcast') {
+    console.log("收到 welcome 类型消息:", data);
+    if (data.content) {
+      notitceConent.value = data.content;
+    }
+    return;
+  }
+
   let aiMsgIndex = -1;
   // Prefer matching by replyMessageId if provided
   if (data.replyMessageId) {
@@ -732,7 +752,7 @@ const sendWebSocketMessage = async (messageType, messageContent, options = {}) =
   const args = {
     conversationId: conversationId.value,
     agentId: agentId.value,
-    messageType: String(messageType), // 消息类型 0-对话 1-指令 2-中断停止 3-心跳检测
+    messageType: String(messageType), // 消息类型 0-对话 1-指令 2-中断停止 3-心跳检测 4-消息
     messageContent: messageContent,
     messageId: options.messageId || currentSessionMessageId,
   };
@@ -839,7 +859,7 @@ const sendChat = async (message, isInstruct = false) => {
     return;
   }
 
-  const messageType = isInstruct ? 1 : 0;
+  const messageType = isInstruct ? MessageType.command : MessageType.dialog;
   const messageContent = isInstruct ? messageCommonType : message;
   // 生成 messageId 并保存到当前会话变量（stopRequest 可能使用）
   currentSessionMessageId = IdUtils.generateMessageId();
@@ -902,7 +922,7 @@ const stopRequest = async () => {
 
   // 发送中断消息给服务器 (messageType=2)，带上当前 messageId
   try {
-    await sendWebSocketMessage(2, "stop_request", { messageId: currentSessionMessageId, silent: true });
+    await sendWebSocketMessage(MessageType.stop, "stop_request", { messageId: currentSessionMessageId, silent: true });
   } catch (e) {
     console.warn("stopRequest send failed:", e);
   }