先說(shuō)嚴(yán)重性

image.png

造成LogStringToConsole高調(diào)用（不排除有一部分是代碼打印的）

You are trying to create a MonoBehaviour using the 'new' keyword.  
This is not allowed.  MonoBehaviours can only be added using AddComponent(). 

該錯(cuò)誤出自u(píng)nity的Editor.log日志中

macOS   ~/Library/Logs/Unity/Editor.log
Windows C:\Users\username\AppData\Local\Unity\Editor\Editor.log

word is poor show me the code,問(wèn)題原因就是在B類中通過(guò)New 的方式使用A component
雖然console不會(huì)報(bào)錯(cuò)，但會(huì)給性能帶來(lái)比較大的影響，component畢竟是畢竟耗性能的

public class A : MonoBehaviour {
  ... 
}

private A a = new A();
public class B: MonoBehaviour {
  ... 
}