pytorch中 cnocr安装失败

Anaconda中pip install cnocr出现以下错误，是什么原因？应该怎么解决呀？

这里写的很明显啊，缺少c++ build tools， 自行搜索下载 或者用这个别人的资源下载 https://download.csdn.net/download/qq_35411224/59272595?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522169179700316800197099357%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fdownload.%2522%257D&request_id=169179700316800197099357&biz_id=1&utm_medium=distribute.pc_search_result.none-task-download-2~download~first_rank_ecpm_v1~rank_v31_ecpm-1-59272595-null-null.269^v2^control&utm_term=c%2B%2B%20build%20tools&spm=1018.2226.3001.4451.2