没有安装项目所需的SDK版本
Failed to find Build Tools revision 28.0.3_报错信息

Tools——>Android SDK
Failed to find Build Tools revision 28.0.3_android_02
勾选右下角的框,如何选择28.0.3,然后再Apply
Failed to find Build Tools revision 28.0.3_SDK_03
点击OK
Failed to find Build Tools revision 28.0.3_报错信息_04
等待安装完成即可。
Failed to find Build Tools revision 28.0.3_报错信息_05