4247 修复主线任务BUG，修复狂怒塔支线任务BUG

cehua-TT

2018-10-19 cc9fba8a69ef07d3d21e9b40cbe8a01659f5c2ea

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#lostTick Íæ¼Ò±¾´Î´ðÌâËùÓõÄʱ¼ä ºÁÃë 
( 
   int(max(0,min(10,10 - max(0,lostTick - 5000)/1000.0*0.5))) 
   
)