4.261.继续毕设2.BP算法原理的详细计算还是不太明白，矩阵求导与权阈值计算所查到的资料都写很不清楚。。。3.dancing4.reading－《房思琪的初恋乐园》－看完5.吃鸡6.English－the topic is time,the time is very long and is very short, the only thing we can do is to seize the moment!7.playing－学会休息，放松，释放，恢复快乐的能力