pip安装lxml 停在那里不动了怎么办

apt update && \
apt install libxml2 libxml2-dev libxslt libxslt-dev openssl libffi libffi-dev openssl-tool openssl-dev fftw fftw-dev libzmq libzmq-dev freetype freetype-dev pkg-config scrypt -y && \
pkg install libcrypt libcrypt-dev ccrypt libgcrypt libgcrypt-dev li
bp
ng libpng-dev -y
pkg install clang python-dev -y
pip install lxml