1、download kernel from "https://www.kernel.org/pub/linux/kernel/v3.x/"
2、mv to /usr/src/,then tar with order "tar -xvf linux-3.***.tar.gz"
3、switch to source code dir,run by root
4、run "sudo apt-get install libncurses-dev" to install lib files while next step need.
5、run "make menuconfig",choose config,then generate .config file
6、run "make" .may take 1-2 hours
7、run "make modules"
8、run "make modules_install"
9、run "make install" .install kernel
10、reboot pc,choose new kernel,done!