ssc install dpplot
checking dpplot consistency and verifying not already installed...
file C:\Users\86133\AppData\Local\Temp\ST_f31c_000002.tmp already exists
could not copy http://fmwww.bc.edu/repec/bocode/d/dpplot.ado
(no action taken)
r(602);

这是什么原因呀，还有别的方法下载嘛？