没有问题，按照你的步骤可以安装
是你自己的网络不行


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package installation
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package name:  st0026_2.pkg
        from:  http://www.stata-journal.com/software/sj5-3/

checking st0026_2 consistency and verifying not already installed...
installing into C:\Stata15\ado\stbplus\...
installation complete.
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(click here to return to the previous screen)

谢谢你，真的是，换了一个网立马可以了。。。。