id, model_no, model_name, water_gap, tonnage, oc_cycle, daily_output, company_id, current_version_id, state, is_delete, creator_id, project_id, rfid, setting_life, area, produce_company_name, initial_modulus, equipment_id, belong_project_grade, produce_company_id, run_times, is_maintain, maintain_count, holes, pre_update_id, history_run_times
update tb_mould set project_id = null ,belong_project_grade = 0 where project_id = #{project.id}
update
tb_mould
SET /*project_id = NULL , */equipment_id = NULL
where id = #{model.id}