bugfix: catch exception in cleaner process
bugfix: catch exception in cleaner process

fe11x/dpark,yanheven/dpark,304471720/dpark,quxiaolong1504/dpark,veritynoob/dpark,windreamer/dpark,windreamer/dpark,304471720/dpark,fe11x/dpark,ee08b397/dpark,oceanjack/dpark,yanheven/dpark,windreamer/dpark,douban/dpark,zzl0/dpark,yhj630520/dpark,Mignet/dpark,dogeyes/dpark,304471720/dpark,daishaowei/dpark,yhj630520/dpark,douban/dpark,Mignet/dpark,mageia/dpark,dogeyes/dpark,zzl0/dpark,smarthomekit/dpark,dogeyes/dpark,douban/dpark,windreamer/dpark,mageia/dpark,junmoa/dpark,quxiaolong1504/dpark,smarthomekit/dpark,smarthomekit/dpark,oceanjack/dpark,veritynoob/dpark,veritynoob/dpark,douban/dpark,douban/dpark,yhj630520/dpark,daishaowei/dpark,junmoa/dpark