cmake-make過程當中遇到鏈接被對方重設問題

如題，我在網上扒了個程序下來，在make時遇到 fatal: unable to access ‘http://github.com/dorian3d/DLib/’: Recv failure: 鏈接被對方重設 CMake Error at /home/zhang/dbow/DBow-master/build/dependencies/tmp/DLib-gitupdate.cmake:58 (me

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