DELETE FROM `tb_repair_bill_comments`;
DELETE FROM `tb_repair_return_visits`;
DELETE FROM `tb_repair_bill_materials`;
DELETE FROM `tb_repair_bill_support_users`;
DELETE FROM `tb_repair_operate_records`;
DELETE FROM `tb_repair_bills`;

DELETE FROM `tb_app_notice`;
DELETE FROM `tb_email_send`;
DELETE FROM `tb_phone_message`;
DELETE FROM `tb_wxtemplate_message`;