遇到问题是这样的：
"C:\Program Files\R\R-3.5.0\bin\Rscript.exe" "C:\dec_tmp_bak\limma.R" "C:\dec_tmp_bak" DESeq2 matrix.xls sample.xls 1 0.05
载入需要的程辑包：DESeq2
Warning in install.packages("BiocInstaller", repos = a["BioCsoft", "URL"]) :
'lib = "C:/Program Files/R/R-3.5.0/library"' is not writable