feat(ai): 优化UI

service-ai/service-ai-chat/src/main/java/com/lanyuanxiaoyao/service/ai/chat/controller/ChatController.java

@@ -62,7 +62,7 @@ public class ChatController {
             """, LocalDateTime.now().format(formatter)));
     if (ObjectUtil.isNotNull(knowledgeId)) {
       var vo = messages.select(message -> StrUtil.equals(message.getRole(), "user")).getLastOptional().orElseThrow();
-      var documents = knowledgeService.query(knowledgeId, vo.getContent(), 0.5);
+      var documents = knowledgeService.query(knowledgeId, vo.getContent(), 10, 0.5);
       if (ObjectUtil.isNotEmpty(documents)) {
         builder.append(StrUtil.format("""
             以下是与用户问题有关的外部知识，优先利用该知识回答用户的提问：

service-web/client/src/pages/ai/Conversation.tsx

@@ -27,14 +27,6 @@ const ConversationDiv = styled.div`
         margin-bottom: 30px;
         padding-left: 30px;
         padding-right: 30px;
-
-        think {
-            color: gray;
-            display: block;
-            border-left: 3px solid lightgray;
-            padding-left: 10px;
-            margin-bottom: 10px;
-        }
     }
 
     .conversation-sender {
@@ -134,6 +126,7 @@ function Conversation() {
                       ? <span/>
                       : <Collapse
                         size="small"
+                        defaultActiveKey={0}
                         items={[
                           {
                             key: 0,