                        课程
                    
                        /后端开发
                        
                            /Python
                        
                        /django入门与实践

为什么我的运行之后变成这样

django.urls.exceptions.NoReverseMatch: Reverse for 'boke_contents' with arguments '('',)' not found. 1 pattern(s) tried: ['boke0/bc/(?P<boke_id>[0-9]+)$']

[09/Oct/2019 23:12:04] "GET /boke0/88/ HTTP/1.1" 500 125386