Git error: the requested URL returned error: 500

When Git clone found the following error, research for a long time did not find the reason

$ git clone --bare http://github/lqiqiqi/deepchem deepchem
Cloning into bare repository 'deepchem'...
fatal: unable to access 'http://github/lqiqiqi/deepchem/': The requested URL returned error: 500

Finally found the correct is http://github.com/lqiqiqi/deepchem
url to write wrong, grieve

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