forvalues stkcd=600000/601999{
forvalues date=0/120{
local reptdate: disp %dCY-N-D mdy(1,1,2017)+`date'
disp "`reptdate'"
capture copy "http://static.sse.com.cn/disclosure/listedinfo/announcement/c/`reptdate'/`stkcd'_2016_n.pdf" `stkcd'_2016.pdf,replace
if _rc==0 {
continue,break
}
}
}