diff --git a/src/views/Conversations/Online/Components/ChatListItem.jsx b/src/views/Conversations/Online/Components/ChatListItem.jsx
index c6dcf02..91aea2b 100644
--- a/src/views/Conversations/Online/Components/ChatListItem.jsx
+++ b/src/views/Conversations/Online/Components/ChatListItem.jsx
@@ -254,8 +254,7 @@ const ChatListItem = (({item, refreshConversationList,setListUpdateFlag,onSwitch
             {...item}
             key={item.sn}
             id={item.sn}
-            letterItem={{ id: item.show_default, letter: (item?.show_default || '').split("@")[0].slice(0, 5) }}
-            // letterItem={{ id: '群', letter: '群' }}
+            letterItem={ item.session_type === 1 ? { id: '群', letter: '群' } : { id: item.show_default, letter: (item?.show_default || '').split("@")[0].slice(0, 5) }}
             alt={item.whatsapp_name}
             title={
               <span>
diff --git a/src/views/Conversations/Online/ReplyWrapper.jsx b/src/views/Conversations/Online/ReplyWrapper.jsx
index 032d56b..ef1734f 100644
--- a/src/views/Conversations/Online/ReplyWrapper.jsx
+++ b/src/views/Conversations/Online/ReplyWrapper.jsx
@@ -50,6 +50,7 @@ const ReplyWrapper = () => {
   };
 
   const [referenceMsg] = useConversationStore((state) => [state.referenceMsg]);
+  const [sessionType] = useConversationStore((state) => [state.currentConversation.session_type]);
   const activeMessages = useConversationStore(
     useShallow((state) => (state.currentConversation.sn && state.activeConversations[state.currentConversation.sn] ? state.activeConversations[state.currentConversation.sn] : []))
   );
@@ -73,7 +74,7 @@ const ReplyWrapper = () => {
   const replyTypes = [
     // { key: 'waba', label: mobile ? '' : (<WABASwitcher />), icon: <WABIcon />, children: <InputComposer channel={'waba'} /> },
     {
-      key: 'waba',
+      key: 'waba', disabled: sessionType === 1,
       label: mobile ? '' : `商业号(${WABAccountsMapped[whatsAppBusiness]?.verifiedName || '-'})`,
       icon: <WABIcon />,
       children: <InputComposer currentActive={activeChannel === 'waba'} channel={'waba'} />,