'1. The production manager failed to timely put forward the urgency of the production task and failed to timely put forward additional personnel to the personnel department to control the production demand, which led to overtime work in the peak season. 2. The personnel department fails to timely investigate the production task of the workshop and fails to timely coordinate and communicate with the workshop manager, resulting in overtime work per month. 3. 4. The office director failed to analyze the monthly overtime work of the workshop staff in a timely manner and take corresponding improvement plans