詹汉杰

给 README 文件增加了一些程序中涉及到的注解解释，以及配置文件中的配置解释。

示例代码运行会有错误，无法获取数据 报错：CLEARTEXT communication to www.baidu.com not permitted by network security policy 因为Android 9.0 限制了明文流量的网络请求，非加密的流量请求会被系统禁止掉 需要在application节点添加android:usesCleartextTraffic="true"或者http换成https

[BUG] demo-orm-mybatis-plus 模块启动报错

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**请先看[《提问的智慧》](https://github.com/ryanhanwu/How-To-Ask-Questions-The-Smart-Way/blob/master/README-zh_CN.md?utm_source=hacpai.com)**，并尝试到 **[issue 列表](https://github.com/xkcoding/spring-boot-demo/issues)** 搜寻是否已经有人遇到过同样的问题。 ---- ### 描述问题 demo-orm-mybatis-plus 启动报错，SpringBootDemoHikariCP 在启动时关闭 ```bash 日志内容 Connected to the target VM, address: '127.0.0.1:54509', transport: 'socket' . ____ _ __ _ _ /\\ / ___'_...

修复这个issue： https://github.com/xkcoding/spring-boot-demo/issues/255

Due to the loss of parameters, the method of process definition query cannot be queried in pages

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I found that the pagination query of the following method is invalid. `org.activiti.runtime.api.impl.ProcessRuntimeImpl#processDefinitions(org.activiti.api.runtime.shared.query.Pageable, org.activiti.api.process.model.payloads.GetProcessDefinitionsPayload, java.util.List)`  It should query this method like process instance to do paging query.