问题描述；

java.lang.ClassNotFoundException: kotlinx.coroutines.debug.AgentPremain
    at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
    at sun.instrument.InstrumentationImpl.loadClassAndStartAgent(InstrumentationImpl.java:304)
    at sun.instrument.InstrumentationImpl.loadClassAndCallPremain(InstrumentationImpl.java:401)
Exception in thread "main" FATAL ERROR in native method: processing of -javaagent failed

解决方案：
IDEA进入File | Settings | Build, Execution, Deployment | Debugger 关掉下面的即可