1. 访问令牌，增加 Redis 作为缓存

2. 删除多余的 order 代码

system-service-project/system-service-integration-test/pom.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>system-service-project</artifactId>
+        <groupId>cn.iocoder.mall</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>system-service-integration-test</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>cn.iocoder.mall</groupId>
+            <artifactId>system-service-app</artifactId>
+            <version>1.0-SNAPSHOT</version>
+        </dependency>
+
+        <!-- Test 相关 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+</project>

system-service-project/system-service-integration-test/src/test/java/cn/iocoder/mall/systemservice/service/oauth/OAuth2ServiceImplTest.java

@@ -0,0 +1,21 @@
+package cn.iocoder.mall.systemservice.service.oauth;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class OAuth2ServiceImplTest {
+
+    @Autowired
+    private OAuth2ServiceImpl oauth2Service;
+
+    @Test
+    public void testCheckAccessToken() {
+        oauth2Service.checkAccessToken("yunai");
+    }
+
+}

system-service-project/system-service-integration-test/src/test/java/cn/iocoder/mall/systemservice/service/package-info.java

@@ -0,0 +1 @@
+package cn.iocoder.mall.systemservice.service;