cn.wizzer.app.code.commons.builder.Generator 这个类找不到 应该怎么办？

Connected to the target VM, address: '127.0.0.1:51753', transport: 'socket'
错误: 找不到或无法加载主类 cn.wizzer.app.code.commons.builder.Generator
Disconnected from the target VM, address: '127.0.0.1:51753', transport: 'socket'

Process finished with exit code 1