luo han

Results 3 issues of luo han

the code in function `music_prop`: ``` if(ct.cov){ Sigma.ct = sc.basis$Sigma.ct[, m.sc]; if(sum(Yjg[, i] == 0) > 0){ D1.temp = D1[Yjg[, i]!=0, ]; Yjg.temp = Yjg[Yjg[, i]!=0, i]; Sigma.ct.temp = Sigma.ct[,...

是上传的时候被限定了宽高吗,能否保持原始图片的尺寸?具体有代码demo吗