配置键盘文件
mkdir -p ~/.termux/
echo "extra-keys = [[{key: 'ESC', popup: {macro: 'CTRL Z', display: 'CTRL+Z'}}, {key: 'TAB', popup: {macro: 'CTRL C', display: 'CTRL+C'}}, CTRL, ALT, {key: '-', popup: '|'}, {key: 'UP', popup: 'PGUP'}, {key: 'DOWN', popup: 'PGDN'}, {key: 'LEFT', popup: 'HOME'}, {key: 'RIGHT', popup: 'END'}]]" >> ~/.termux/termux.properties
重启服务
termux-reload-settings