lkhwhkzz issues

Results 2 issues of


                                            lkhwhkzz

![6f6aa3ec7737726e0c645a328aacd59](https://github.com/bubbliiiing/centernet-pytorch/assets/144866730/231cb2d6-9290-4331-a62f-c7d00938fd45) 调试的时候卡住这里

![image](https://github.com/bubbliiiing/centernet-pytorch/assets/144866730/65bf8c61-921d-44b9-bf3f-b987c5089951)