text: #初始化SQL
  SET FOREIGN_KEY_CHECKS = 0;
  #活动列表
  TRUNCATE TABLE ya_activity;
  #活动数据
  TRUNCATE TABLE ya_activity_data;
  #活动票种
  TRUNCATE TABLE ya_activity_ticket;
  #玩家收藏的活动
  TRUNCATE TABLE ya_collect_activity;
  #玩家收藏的商家
  TRUNCATE TABLE ya_collect_merchant;
  #运营中心;
  TRUNCATE TABLE ya_count;
  #商家;
  TRUNCATE TABLE ya_merchant;
  #商家图片;
  TRUNCATE TABLE ya_merchant_img;
  #发送短信记录;
  TRUNCATE TABLE ya_message_code;
  #订单;
  TRUNCATE TABLE ya_order;
  #退款订单;
  TRUNCATE TABLE ya_order_refund;
  #订单票种;
  TRUNCATE TABLE ya_order_ticket;
  #员工
  TRUNCATE TABLE ya_salesman;
  #合同图片
  TRUNCATE TABLE ya_contract;
  
  
  SET FOREIGN_KEY_CHECKS = 1;
  
  
  