根据您的 gitignor ，CI永远不会获得 gradle-wrapper.jar 库，因为它尚未提交，但必须提交，因为它用于运行包装程序.

According to your gitignor, CI is never getting the gradle-wrapper.jar library, because it wasn't commited yet, but it has to be, since it is used to run the wrapper.

检查是否已提交 gradle-wrapper.jar ，如果否，则只需提交.

Check, whether is gradle-wrapper.jar commited, if no, then just commit it.