    ¸ֱ䡷ʹ˵
    1˫򿪡¸ֱ䡷ļĿ¼ļǰ+ŴļУٵѴļ뿴ݱ⣬ұݡ
    2Ŀ¼ϽǵĹرհťϷĿ¼ťرĿ¼󣬿ȫȫݣٵϷĿ¼ťɻָĿ¼