perf: 历史记录: 匹配消息的提示

src/views/ChatHistory.jsx

@@ -323,6 +323,7 @@ function ChatHistory() {
           <Flex className='h-full relative'>
             {(selectedConversation.matchMsgList || []).length > 1 && isNotEmpty(formValues.search) && (
               <div className='w-80 overflow-y-auto overflow-x-hidden'>
+                <p className='text-center'><mark>{formValues.search}</mark> 的相关记录, 点击定位上下文</p>
                 {selectedConversation.matchMsgList.map((item) => (
                   <ChatItem
                     {...item}