text: insert into user (id, username, name, age, balance) values (1, 'account1', '张三', 20, 100.00);
  insert into user (id, username, name, age, balance) values (2, 'account1', '李四', 26, 180.00);
  insert into user (id, username, name, age, balance) values (3, 'account1', '王五', 32, 200.00);