开始重构 system 模块的代码，先修改认证逻辑

system/system-biz/src/main/resources/biz.properties

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+##################### 业务模块 #####################
+## OAuth2CodeService
+modules.oauth2-code-service.access-token-expire-time-millis = 2880000
+modules.oauth2-code-service.refresh-token-expire-time-millis = 43200000

system/system-biz/src/main/resources/biz.yaml

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+spring:
+  # 数据源配置项
+  datasource:
+    url: jdbc:mysql://s1.iocoder.cn:3306/mall_system?useSSL=false&useUnicode=true&characterEncoding=UTF-8
+    driver-class-name: com.mysql.jdbc.Driver
+    username: root
+    password: ${MALL_MYSQL_PASSWORD}
+
+# MyBatis Plus 配置项
+mybatis-plus:
+  configuration:
+    map-underscore-to-camel-case: true # 虽然默认为 true ，但是还是显示去指定下。
+  global-config:
+    db-config:
+      id-type: auto
+      logic-delete-value: 1 # 逻辑已删除值(默认为 1)
+      logic-not-delete-value: 0 # 逻辑未删除值(默认为 0)
+  mapper-locations: classpath*:mapper/*.xml
+  type-aliases-package: cn.iocoder.mall.system.biz.dataobject
+