```
go: finding github.com/lexkong/log latest
go: finding github.com/smallnest/rpcx latest
go: finding github.com/kataras/iris/context latest
go: finding github.com/kataras/iris/core/errors latest
go: finding github.com/rcrowley/go-metrics latest
go: finding github.com/kataras/iris/core latest
go: finding github.com/golang/lint v0.0.0-20180702182130-06c8688daad7
go: finding golang.org/x/lint v0.0.0-20180702182130-06c8688daad7
go: labix.org/v2/mgo@v0.0.0-20140701140051-000000000287: bzr branch --use-existing-dir https://launchpad.net/mgo/v2 . in D:\go\pkg\mod\cache\vcs\ca61c737a32b1e09a0919e1
5375f9c2b6aa09860cc097f1333b3c3d29e040ea8: exec: "bzr": executable file not found in %PATH%
```
这是说环境变量少了啥????
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