更新开发环境和生产环境的API服务地址，统一后端服务配置，移除不再使用的服务实例，优化请求模块以使用统一的请求方法，调整相关接口以提高代码一致性和可读性。

src/api/knowledge/dataset/index.ts

@@ -1,4 +1,4 @@
-import { newService } from '/@/utils/request';
+import request from '/@/utils/request';
 
 // 数据集查询参数
 export interface knowledgeQueryParams {
@@ -33,7 +33,7 @@ export interface knowledgeInfo {
 
 // 获取知识库列表
 export function listknowledges(params: knowledgeQueryParams) {
-	return newService({
+	return request({
 		url: '/rag-knowledge/dataset/listDataset',
 		method: 'get',
 		params,
@@ -42,7 +42,7 @@ export function listknowledges(params: knowledgeQueryParams) {
 
 // 创建知识库
 export function createknowledge(data: CreateknowledgeParams) {
-	return newService({
+	return request({
 		url: '/rag-knowledge/dataset/createDataset',
 		method: 'post',
 		data,
@@ -51,7 +51,7 @@ export function createknowledge(data: CreateknowledgeParams) {
 
 // 更新知识库
 export function updateknowledge(data: UpdateknowledgeParams) {
-	return newService({
+	return request({
 		url: '/rag-knowledge/dataset/updateDataset',
 		method: 'put',
 		data,
@@ -60,7 +60,7 @@ export function updateknowledge(data: UpdateknowledgeParams) {
 
 // 删除知识库
 export function deleteknowledge(id: string) {
-	return newService({
+	return request({
 		url: '/rag-knowledge/dataset/deleteDataset',
 		method: 'delete',
 		params: { id },