Kotlin butterknife build error @BindView fields must not be private or static

Kotlin butterknife build error @BindView fields must not be private or static

1. 如何添加butterknife
   請參考鏈接https://blog.csdn.net/qq_41063141/article/details/82828047

2. 添加註解 @JvmField

  @JvmField
  @BindView(R.id.ll_yijian)
  var llYijian: LinearLayout? = null