longxinyun-security

Results 2 issues of longxinyun-security

![image](https://user-images.githubusercontent.com/70429515/167600807-b1707da9-62d3-475b-9b29-a4118143ce33.png) PycRef res = value.cast()->pparams().front(); value.cast()->pparams().size()==0 stack = stack_hist.top(); stack.pop(); stack_hist.size()==0

![image](https://user-images.githubusercontent.com/70429515/97071245-bca33600-1611-11eb-9b11-fc13872ceee3.png) How should I handle it?