diff --git a/src/views/ChatWindow.jsx b/src/views/ChatWindow.jsx
index e19b4c4..17f11e6 100644
--- a/src/views/ChatWindow.jsx
+++ b/src/views/ChatWindow.jsx
@@ -45,7 +45,7 @@ const ChatWindow = () => {
 
         <Content style={{ maxHeight: 'calc(100vh - 166px)', height: 'calc(100vh - 166px)', minWidth: '360px' }}>
           <Layout className='h-full'>
-            <Header className='px-1 ant-layout-sider-light ant-card h-auto flex justify-between gap-1 items-center'>
+            <Header className='px-1 ant-layout-sider-light bg-white ant-card h-auto flex justify-between gap-1 items-center'>
               {/* <Button type='text' icon={collapsedLeft ? <MenuUnfoldOutlined /> : <MenuFoldOutlined />} onClick={() => setCollapsedLeft(!collapsedLeft)} className=' rounded-none rounded-l' /> */}
               <MessagesHeader />
               {/* <Button type='text' icon={<ReloadOutlined />} onClick={() => setCollapsedRight(!collapsedRight)} className='' title='最新消息记录' /> */}
diff --git a/src/views/Conversations/ChatAssign.jsx b/src/views/Conversations/ChatAssign.jsx
index 77d68c1..e1d5bc9 100644
--- a/src/views/Conversations/ChatAssign.jsx
+++ b/src/views/Conversations/ChatAssign.jsx
@@ -21,11 +21,14 @@ function ChatAssign() {
   const [opi, setOpi] = useState({});
 
   async function refreshConversationList() {
-    const _list = await fetchConversationsSearch({ whatsapp_id: whatsappid });
+    const _list = await fetchConversationsSearch({ whatsapp_id: whatsappid })
     if (_list.length > 0) {
-      setCurrentConversation(_list[0]);
-      setConversationid(String(_list[0].conversationid));
-      setOpi({ label: _list[0].opi_name, value: String(_list[0].opi_sn) });
+      const unassignI = _list.findIndex((item) => item.opi_sn === 0)
+      if (unassignI > -1) {
+        setCurrentConversation(_list[unassignI])
+        setConversationid(String(_list[unassignI].conversationid))
+        setOpi({ label: _list[unassignI].opi_name, value: String(_list[unassignI].opi_sn) })
+      }
     }
   }
 
@@ -39,7 +42,7 @@ function ChatAssign() {
   return (
     <>
       <Layout className='h-full chatwindow-wrapper mobilechat-wrapper' style={{ maxHeight: 'calc(100vh - 32px)', height: 'calc(100vh - 32px)', minWidth: '360px' }}>
-        <Header className=' px-2 ant-layout-sider-light ant-card h-auto flex flex-col justify-between gap-1 '>
+        <Header className=' px-2 ant-layout-sider-light bg-white ant-card h-auto flex flex-col justify-between gap-1 '>
           <InputAssign className={'block py-2'} initialValues={{ conversationid, whatsappid }} {...{ conversationid, opi }} />
           <MessagesHeader />
         </Header>