控制台错误

B56AFEFE-AC42-482F-ADBF-681D9E3C4358.png
http://blog.csdn.net/dengbin9009/article/details/43485617

###接收类型错误

7559DB06-E490-4605-8E61-DFBC81233EFD.png
http://www.jianshu.com/p/90d5323cf510
B721D5E8-94B1-4BC9-87A9-6433DE54A053.png
http://www.jianshu.com/p/38700f97c884 7E2B27FE-010F-4F27-9EEB-2D952776F80D.png