tortoisesvn checkout/update/commit 全都参数错误

Command : Checkout from http://**/****/***, revision HEAD, Fully recursive, Externals included
Error : Unable to connect to a repository at URL ' http://**/****/***'
Error : Error running context: 参数错误。
Completed!
网页可以正常登陆svn。求大神解答。万分感谢

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