Fixed TT_HOME for cygwin
Fixed TT_HOME for cygwin

changwu/mqa,codingafuture/book,changwu/mqa,codingafuture/book,changwu/mqa,changwu/mqa,xudong/book,changwu/mqa,xudong/book,xudong/book,codingafuture/book,xudong/book,xudong/book,codingafuture/book,codingafuture/book