diff --git a/README.md b/README.md
index a7219e2..049631d 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,3 @@
-## 学习交流微信
-![学习交流微信](https://i.loli.net/2019/10/24/VW1wFJMHhoGE5ra.jpg)
-
 ## 展示
 * 演示地址：https://show.cool-admin.com
 * 文档地址：https://docs.cool-admin.com
@@ -178,3 +175,6 @@ async page (query) {
 |  sql |  字符串 |  需要拼接的参数 |
 |  params | 数组  |  相对应的参数 |
 
+## 学习交流微信
+![学习交流微信](https://i.loli.net/2019/10/24/VW1wFJMHhoGE5ra.jpg)
+
diff --git a/app/controller/user.ts b/app/controller/user.ts
index 81f2138..5be4780 100644
--- a/app/controller/user.ts
+++ b/app/controller/user.ts
@@ -5,5 +5,6 @@ import router from 'egg-cool-router';
 export default class User extends BaseController {
     init() {
         this.setEntity(this.ctx.repo.User);
+        this.setService(this.service.user);
     }
 }
diff --git a/app/service/user.ts b/app/service/user.ts
new file mode 100644
index 0000000..63a5895
--- /dev/null
+++ b/app/service/user.ts
@@ -0,0 +1,12 @@
+import { BaseService } from 'egg-cool-service';
+import { Cache } from 'egg-cool-cache';
+
+export default class User extends BaseService {
+    /**
+     * 缓存的使用演示
+     */
+    @Cache({ ttl: 10000 })
+    async list () {
+        return await this.getRepo().User.find();
+    }
+}