[BUG]when i run it in floydhub(Cloud computing server),the part of renderer will be faulse

[zhangzhenyu-zzy]

1.when i run in my pc,it will be ok,but i choose to run it in floydhub,the renderer will be false like that: ,but it will be wrong : i guess it have the problem in there: but i dont know how to deal with it,i just need the array after render,i dont need to show image,can you help me?