diff --git a/.cursor/rules/service.mdc b/.cursor/rules/service.mdc
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+---
+description: 服务(Service)
+globs: 
+---
+# 服务(Service)
+
+我们一般将业务逻辑写在`Service`层，`Controller`层只做参数校验、数据转换等操作，`Service`层做具体的业务逻辑处理。
+
+`cool-admin`对基本的`Service`进行封装；
+
+## 重写 CRUD
+
+`Controller`的六个快速方法，`add`、`update`、`delete`、`info`、`list`、`page`，是通过调用一个通用的`BaseService`的方法实现，所以我们可以重写`Service`的方法来实现自己的业务逻辑。
+
+**示例**
+
+重写 add 方法
+
+```ts
+import { DemoGoodsEntity } from "./../entity/goods";
+import { Provide } from "@midwayjs/core";
+import { BaseService } from "@cool-midway/core";
+import { InjectEntityModel } from "@midwayjs/typeorm";
+import { Repository } from "typeorm";
+
+/**
+ * 商品示例
+ */
+@Provide()
+export class DemoGoodsService extends BaseService {
+	@InjectEntityModel(DemoGoodsEntity)
+	demoGoodsEntity: Repository<DemoGoodsEntity>;
+
+	/**
+	 * 新增
+	 * @param param
+	 * @returns
+	 */
+	async add(param: any) {
+		// 调用原本的add，如果不需要可以不用这样写，完全按照自己的新增逻辑写
+		const result = await super.add(param);
+		// 你自己的业务逻辑
+		return result;
+	}
+}
+```
+
+记得在`Controller`上配置对应的`Service`才会使其生效
+
+```ts
+import { DemoGoodsService } from "../../service/goods";
+import { DemoGoodsEntity } from "../../entity/goods";
+import { Body, Inject, Post, Provide } from "@midwayjs/core";
+import { CoolController, BaseController } from "@cool-midway/core";
+import { InjectEntityModel } from "@midwayjs/typeorm";
+import { Repository } from "typeorm";
+
+/**
+ * 测试
+ */
+@Provide()
+@CoolController({
+	api: ["add", "delete", "update", "info", "list", "page"],
+	entity: DemoGoodsEntity,
+	service: DemoGoodsService
+})
+export class AppDemoGoodsController extends BaseController {}
+```
+
+## 普通查询(TypeOrm)
+
+普通查询基于[TypeOrm](mdc:https:/typeorm.io)，点击查看官方详细文档
+
+**示例**
+
+```ts
+import { DemoGoodsEntity } from "./../entity/goods";
+import { Provide } from "@midwayjs/core";
+import { BaseService } from "@cool-midway/core";
+import { InjectEntityModel } from "@midwayjs/typeorm";
+import { In, Repository } from "typeorm";
+
+/**
+ * 商品示例
+ */
+@Provide()
+export class DemoGoodsService extends BaseService {
+	@InjectEntityModel(DemoGoodsEntity)
+	demoGoodsEntity: Repository<DemoGoodsEntity>;
+
+	async typeorm() {
+		// 新增单个，传入的参数字段在数据库中一定要存在
+		await this.demoGoodsEntity.insert({ title: "xxx" });
+		// 新增单个，传入的参数字段在数据库中可以不存在
+		await this.demoGoodsEntity.save({ title: "xxx" });
+		// 新增多个
+		await this.demoGoodsEntity.save([{ title: "xxx" }]);
+		// 查找单个
+		await this.demoGoodsEntity.findOneBy({ id: 1 });
+		// 查找多个
+		await this.demoGoodsEntity.findBy({ id: In([1, 2]) });
+		// 删除单个
+		await this.demoGoodsEntity.delete(1);
+		// 删除多个
+		await this.demoGoodsEntity.delete([1]);
+		// 根据ID更新
+		await this.demoGoodsEntity.update(1, { title: "xxx" });
+		// 根据条件更新
+		await this.demoGoodsEntity.update({ price: 20 }, { title: "xxx" });
+		// 多条件操作
+		await this.demoGoodsEntity
+			.createQueryBuilder()
+			.where("id = :id", { id: 1 })
+			.andWhere("price = :price", { price: 20 })
+			.getOne();
+	}
+}
+```
+
+## 高级查询(SQL)
+
+**1、普通 SQL 查询**
+
+```ts
+import { DemoGoodsEntity } from "./../entity/goods";
+import { Provide } from "@midwayjs/core";
+import { BaseService } from "@cool-midway/core";
+import { InjectEntityModel } from "@midwayjs/typeorm";
+import { Repository } from "typeorm";
+
+/**
+ * 商品示例
+ */
+@Provide()
+export class DemoGoodsService extends BaseService {
+	@InjectEntityModel(DemoGoodsEntity)
+	demoGoodsEntity: Repository<DemoGoodsEntity>;
+
+	/**
+	 * 执行sql
+	 */
+	async sql(query) {
+		return this.nativeQuery("select * from demo_goods a where a.id = ?", [query.id]);
+	}
+}
+```
+
+**2、分页 SQL 查询**
+
+```ts
+import { DemoGoodsEntity } from "./../entity/goods";
+import { Provide } from "@midwayjs/core";
+import { BaseService } from "@cool-midway/core";
+import { InjectEntityModel } from "@midwayjs/typeorm";
+import { Repository } from "typeorm";
+
+/**
+ * 商品示例
+ */
+@Provide()
+export class DemoGoodsService extends BaseService {
+	@InjectEntityModel(DemoGoodsEntity)
+	demoGoodsEntity: Repository<DemoGoodsEntity>;
+
+	/**
+	 * 执行分页sql
+	 */
+	async sqlPage(query) {
+		return this.sqlRenderPage("select * from demo_goods ORDER BY id ASC", query, false);
+	}
+}
+```
+
+**3、非 SQL 的分页查询**
+
+```ts
+import { DemoGoodsEntity } from "./../entity/goods";
+import { Provide } from "@midwayjs/core";
+import { BaseService } from "@cool-midway/core";
+import { InjectEntityModel } from "@midwayjs/typeorm";
+import { In, Repository } from "typeorm";
+
+/**
+ * 商品示例
+ */
+@Provide()
+export class DemoGoodsService extends BaseService {
+	@InjectEntityModel(DemoGoodsEntity)
+	demoGoodsEntity: Repository<DemoGoodsEntity>;
+
+	/**
+	 * 执行entity分页
+	 */
+	async entityPage(query) {
+		const find = this.demoGoodsEntity.createQueryBuilder();
+		find.where("id = :id", { id: 1 });
+		return this.entityRenderPage(find, query);
+	}
+}
+```
+
+**4、SQL 动态条件**
+
+分页查询和普通的 SQL 查询都支持动态条件，通过`this.setSql(条件,sql语句,参数)`来配置
+
+```ts
+import { DemoGoodsEntity } from "./../entity/goods";
+import { Provide } from "@midwayjs/core";
+import { BaseService } from "@cool-midway/core";
+import { InjectEntityModel } from "@midwayjs/typeorm";
+import { Repository } from "typeorm";
+
+/**
+ * 商品示例
+ */
+@Provide()
+export class DemoGoodsService extends BaseService {
+	@InjectEntityModel(DemoGoodsEntity)
+	demoGoodsEntity: Repository<DemoGoodsEntity>;
+
+	/**
+	 * 执行sql
+	 */
+	async sql(query) {
+		return this.nativeQuery(`
+    select * from demo_goods a
+      WHERE 1=1
+      ${this.setSql(query.id, "and a.id = ?", [query.id])}
+    ORDER BY id ASC
+    `);
+	}
+}
+```
+
+## 修改之前(modifyBefore)
+
+有时候我们需要在数据进行修改动作之前，对它进行一些处理，比如：修改密码时，需要对密码进行加密，这时候我们可以使用`modifyBefore`方法来实现
+
+```ts
+import { DemoGoodsEntity } from "./../entity/goods";
+import { Provide } from "@midwayjs/core";
+import { BaseService } from "@cool-midway/core";
+import { InjectEntityModel } from "@midwayjs/typeorm";
+import { Repository } from "typeorm";
+import * as md5 from "md5";
+
+/**
+ * 商品示例
+ */
+@Provide()
+export class DemoGoodsService extends BaseService {
+	@InjectEntityModel(DemoGoodsEntity)
+	demoGoodsEntity: Repository<DemoGoodsEntity>;
+
+	/**
+	 * 修改之前
+	 * @param data
+	 * @param type
+	 */
+	async modifyBefore(data: any, type: "delete" | "update" | "add") {
+		if (type == "update") {
+			data.password = md5(data.password);
+		}
+	}
+}
+```
+
+## 修改之后(modifyAfter)
+
+有时候我们需要在数据进行修改动作之后，对它进行一些处理，比如：修改完数据之后将它放入队列或者 ElasticSearch
+
+```ts
+import { DemoGoodsEntity } from "./../entity/goods";
+import { Provide } from "@midwayjs/core";
+import { BaseService } from "@cool-midway/core";
+import { InjectEntityModel } from "@midwayjs/typeorm";
+import { Repository } from "typeorm";
+import * as md5 from "md5";
+
+/**
+ * 商品示例
+ */
+@Provide()
+export class DemoGoodsService extends BaseService {
+	@InjectEntityModel(DemoGoodsEntity)
+	demoGoodsEntity: Repository<DemoGoodsEntity>;
+
+	/**
+	 * 修改之后
+	 * @param data
+	 * @param type
+	 */
+	async modifyAfter(data: any, type: "delete" | "update" | "add") {
+		// 你想做的其他事情
+	}
+}
+```
+
+## 设置实体
+
+`Service`与`Service`之间相互调用`BaseService`里的方法，有可能出现“未设置操作实体”的问题可以通过以下方式设置实体
+
+::: warning 建议
+但是一般不建议这样做，因为这样会导致`Service`与`Service`耦合，不利于代码的维护，如果要操作对应的表直接在当前的`Service`注入对应的表操作即可
+:::
+
+```ts
+@Provide()
+export class XxxService extends BaseService {
+	@InjectEntityModel(XxxEntity)
+	xxxEntity: Repository<XxxEntity>;
+
+	@Init()
+	async init() {
+		await super.init();
+		// 设置实体
+		this.setEntity(this.xxxEntity);
+	}
+}
+```