当只导入表达谱时可以有结果，但是导入样本信息后不能正常运行，用cmd查错的时候，
Warning messages:
1: 'WGCNA'R3.4.4
2: 'fastcluster'R3.4.4
[1] "success_top50ExpData2.txt"
[1] "success_SampleInfo4.txt"
data frame with 0 columns and 6 rows
[1] "success_SampleInfo4.txt"
[1] "SUCC IN"
Flagging genes and samples with too many missing values...
..step 1
ERROR : datExpr must contain numeric data.
