This directory name is not supported under Windows

[natahew]

"git" checkout "master"
error: invalid path 'B树算法/README.md'
error: invalid path 'B树算法/btree.cc'
error: invalid path 'B树算法/btree.h'
error: invalid path 'B树算法/btree.tar.gz'
error: invalid path 'B树算法/btree_main.cc'
error: invalid path 'B树算法/fplan.cc'
error: invalid path 'B树算法/fplan.h'
error: invalid path 'B树算法/makefile'
error: invalid path 'B树算法/sa.cc'
error: invalid path 'B树算法/sa.h'
Done

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[natahew]