sudo -i
cat /proc/sys/kernel/syno_install_flag
echo 1 > /proc/sys/kernel/syno_install_flag
ll /dev/synoboot1*    # 正常会有 /dev/synoboot  /dev/synoboot1  /dev/synoboot2  dev/synoboot3

# 挂载第1个分区
mkdir rr
mount /dev/synoboot1 rr
ll rr