HIBIKI

Results 2 issues of HIBIKI

![image](https://user-images.githubusercontent.com/22761531/45668282-bbf46780-bb4e-11e8-979d-7651cc5dee9b.png)

on android, sometimes will cause these error, the crash stack is reported by bugly. i dont't know how to reproduce it. # GLThread 1985(1985) SIGSEGV(SEGV_MAPERR) 1 #00 pc 00010620 /system/lib/libc.so...