mac执行sh文件

···
mymac@mymacdeMac ~ % cd /Users/mymac/Desktop/codingzxzr2/client/test_ios_admob/bin/
mymac@mymacdeMac bin % ls
android create_project.sh res_pack_gp.bat
compile_luabinding.bat lib set_encrypt.bat
compile_luabinding.sh mac set_encrypt.sh
compile_scripts.bat pack_files.bat win32
compile_scripts.sh pack_files.sh
create_project.bat res_pack.bat
mymac@mymacdeMac bin % ./pack_files.sh
zsh: permission denied: ./pack_files.sh
mymac@mymacdeMac bin % chmod -R 777 ./
mymac@mymacdeMac bin % ./pack_files.sh

usage: pack_files -i src -o output ...

···