交叉编译时提示下载失败

使用install-sysroot.py以及参数–arch=arm交叉编译时,提示无法下载内容
Failed to download http://120.92.49.206:3232/chromiumsrc/chrome-linux-sysroot/raw/master/public/toolchain/ef5c4f84bcafb7a3796d36bb1db7826317dde51c/debian_sid_arm_sysroot.tar.xz