_ooOoo_
                        o8888888o
                         88" . "88
                          (| -_- |)
                         O\  =  /O
                   ____/`---‘\____
                     .‘ \\|      |// `.
                   /  \\||  :   |||// \
                  /  _||||| -:- |||||-\
                   |   | \\\ - /// |   |
                   | \_| ‘‘\---/‘‘ |   |
                   \  .-\__ `-` ___/-. /
                  ___`. .‘ /--.--\ `. . __
              ."" ‘< `.___\_<|>_/___.‘ >‘"".
              | | : `- \`.;`\ _ /`;.`/ - ` : | |
              \ \ `-. \_ __\ /__ _/ .-` / /

======`-.____`-.___\_____/___.-`____.-‘======
                         `=---=‘

//^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//佛祖保佑 永无bug