$sql="select * from game_member_sign where uid=$uid and game_code='ylc' and add_time < '".strtotime(date('Y-m-d'))."' and add_time > '".strtotime(date('Y-m-d',time()-(60*60*24)))."' order by add_time desc";
// $sql = "select * from ".get_table("game_global_task")." where uid=$uid and en_name='$taskEnName' and add_time > '".date('Y-m-d')."' order by add_time desc";