不能发现包 5/04/28 周二T14...错误

我在github.com下载studygolang源码在install.bat 的时候，报下面这个错误： can't load package: package util.Date: cannot find package "util.Date" in any of : C:\GO\src\util.Date (from $GOROOT) D:\GoLang\studygolang\websites\code\studygolang\src\util.Date (from $GOP ATH) D:\GoLang\studygolang\websites\code\thirdparty\src\util.Date can't load package: package 5/04/28 周二T14:33:16.95": cannot find package "5/04 /28 周二T14:33:16.95\"" in any of: C:\GO\src\5\04\28 周二T14:33:16.95" (from $GOROOT) D:\GoLang\studygolang\websites\code\studygolang\src\5\04\28 周二T14:33:1 6.95" (from $GOPATH) D:\GoLang\studygolang\websites\code\thirdparty\src\5\04\28 周二T14:33:16 .95"· 不知道这是什么错误，我判断的语句是这一句： :: -tags "debug" 表示测试 go install -tags "debug" -ldflags "-X util.version.Version "%VERSION%" "-X util.Date "%date:~3,10%T%time%"" ./... 请知道的给我解答一下，谢谢。