PK3Err0040 The target device is not ready for debugging. Please check your configuration bit settings and program the device before proceeding.（目标器件未准备好调试。请检查配置位设置并编程该器件，然后继续。）
在配置位正确的前提下，晶振脱焊也会出现这个问题。重新连一下就好了。
