Error: Bioconductor version cannot be validated; no internet connection?

報錯圖
解決方法:options(download.file.method = 'libcurl');options(url.method = 'libcurl')
運行后再運行前面代碼:

成功圖
Error: Bioconductor version cannot be validated; no internet connection?
解決方法:options(download.file.method = 'libcurl');options(url.method = 'libcurl')
運行后再運行前面代碼: