Change achcop default to close stdout/stderr
Change achcop default to close stdout/stderr

chen0510566/ach,chen0510566/ach,golems/ach,chen0510566/ach,chen0510566/ach,chen0510566/ach,golems/ach,golems/ach,chen0510566/ach,golems/ach,golems/ach,golems/ach