2. Zhang Hongli has a plot to surrender. Criminals who surrender themselves may be given a lighter or mitigated punishment.
3. Zhang Hongli has rendered meritorious service and can be given a lighter or mitigated punishment.
4. Zhang Hongli was under the age of 18 when he committed the crime, and was a minor, so he should be given a lighter or mitigated punishment.
5. Zhang Hongli is an accessory and should be given a lighter, mitigated or exempted punishment.