升级ss加密方式（高级加密）

apt-get install build-essential

wget https://download.libsodium.org/libsodium/releases/LATEST.tarhttps://github.com/jedisct1/libsodium/releases/download/1.0.18/libsodium-1.0.18.tar.gz
tar xf libsodium-1.0.18.tar.gz && cd libsodium-1.0.18

./configure && make -j4 && make install

ldconfig