bug in extract_state_value_from_output

[haiasd]

extract_state_value_from_output function
这个函数会把-1处理成1，导致react模型无限循环

[geekan]

@better629 @garylin2099 noticed that this problem seems to be related to the code on both sides. Can you guys take a look?

[better629]

fix with #1069