./total.sh
-bash: ./total.sh: Operation not permitted

sh ./total.sh
运行ok

ls -al  
-rwxr-xr-x@  1 dyyx  staff    88 12 22  2021 total.sh

执行
xattr -c -r *

-rwxr-xr-x   1 dyyx  staff    88 12 22  2021 total.sh

文件属性去掉了@ 后缀 ，执行ok 

https://mackuba.eu/2008/06/30/ls-on-mac-and-extended-file-attributes/