Your answer, "Yes", is not correct.
The correct answer to
Is God the author of evil?
is
No
as shown by
Deuteronomy 32:4
which is
- KJV
- He is the Rock, his work is perfect: for all his ways are judgment: a God of truth and without iniquity, just and right is he.
- NIV
- He is the Rock, his works are perfect, and all his ways are just. A faithful God who does no wrong, upright and just is he.