hch
2018-11-24 16955f74b09ffc80bf7f37488719e34d152bcea5
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#lostTick Íæ¼Ò±¾´Î´ðÌâËùÓõÄʱ¼ä ºÁÃë
(
   int(max(8,min(24,8+4*(5000 - lostTick)/1000)))
  
)