diff --git a/src/views/Conversations/Components/InputComposer.jsx b/src/views/Conversations/Components/InputComposer.jsx
index 3b1e26c..f810df3 100644
--- a/src/views/Conversations/Components/InputComposer.jsx
+++ b/src/views/Conversations/Components/InputComposer.jsx
@@ -57,8 +57,9 @@ const InputComposer = ({ mobile }) => {
   const sentOrReceivedNewMessage = useConversationStore((state) => state.sentOrReceivedNewMessage);
 
   const talkabled = !isEmpty(currentConversation.sn) && websocketOpened;
+  const isExpired = dayjs(currentConversation.conversation_expiretime).add(8, 'hours').isBefore(dayjs());
   const gt24h = currentConversation.last_received_time ? dayjs().diff(dayjs(currentConversation.last_received_time), 'hour') > 24 : true;
-  const textabled = talkabled && !gt24h;
+  const textabled = talkabled && (!gt24h || !isExpired); // 只要有一个时间没过期, 目前未知明确规则
 
   const textInputRef = useRef(null);
   const [textContent, setTextContent] = useState('');
@@ -252,14 +253,20 @@ const InputComposer = ({ mobile }) => {
         size='large'
         maxLength={2000}
         showCount={textabled}
-        placeholder={gt24h ? 'This session has expired. Please send a template message to activate the session' : 'Enter 发送, Shift+Enter 换行\n支持复制粘贴 [截图/文件] 以备发送'}
+        placeholder={
+          gt24h
+            ? 'This session has expired. Please send a template message to activate the session'
+            : mobile === undefined
+            ? 'Enter 发送, Shift+Enter 换行\n支持复制粘贴 [截图/文件] 以备发送'
+            : 'Enter 换行, 点击 Send 发送'
+        }
         rows={2}
         disabled={!textabled}
         value={textContent}
         onChange={(e) => setTextContent(e.target.value)}
         className='rounded-b-none emoji'
         onPressEnter={(e) => {
-          if (!e.shiftKey) {
+          if (!e.shiftKey && mobile === undefined) {
             e.preventDefault();
             handleSendText();
           }