update design doc
update design doc

cnbin/webuploader,Markxuxiao/webuploader,yuefengkai/webuploader,dianerdianer/webuploader,zhaosichao/webuploader,fex-team/webuploader,baiyanghese/webuploader,webwlsong/webuploader,fex-team/webuploader,zhaosichao/webuploader,orangemi/webuploader,orangemi/webuploader,orangemi/webuploader,WPG/webuploader,jimmy-yao/webuploader,BobJavascript/webuploader,webwlsong/webuploader,pjkui/webuploader,caizhifu/webuploader,admpub/webuploader,xiexingen/webuploader,allsmy/webuploader,tarobjtu/webuploader,wangyun122/webuploader,jimmywang1994/webuploader,herohenu/webuploader,Youraiseme/webuploader,2betop/webuploader,ouyang90/webuploader,herohenu/webuploader,ikenneth/webuploader,Rudy24/webuploader,webwlsong/webuploader,baitongda/webuploader,baitongda/webuploader,wxmfront/webuploader,yuefengkai/webuploader,wxmfront/webuploader,VioletLife/webuploader,Janson-Leung/webuploader,orangemi/webuploader,profitfrl/webuploader,meleslilijing/webuploader,yuefengkai/webuploader,Yumozhi/webuploader,Yumozhi/webuploader,tarobjtu/webuploader,jimmy-yao/webuploader,Markxuxiao/webuploader,greatpie/WebUploader,profitfrl/webuploader,fengshao0907/webuploader,ikenneth/webuploader,herohenu/webuploader,pjkui/webuploader,jimmywang1994/webuploader,Yumozhi/webuploader,wangyun122/webuploader,zhaosichao/webuploader,pjkui/webuploader,fengjianjunstudy/webuploader,NTASTE/webuploader,fengshao0907/webuploader,lovelykobe/webuploader,caizhifu/webuploader,baitongda/webuploader,greatpie/WebUploader,wxmfront/webuploader,Janson-Leung/webuploader,Yumozhi/webuploader,allsmy/webuploader,VioletLife/webuploader,2betop/webuploader,webwlsong/webuploader,cnbin/webuploader,yuefengkai/webuploader,dianerdianer/webuploader,allsmy/webuploader,WPG/webuploader,herohenu/webuploader,ikenneth/webuploader,MienDev/webuploader,NTASTE/webuploader,leiallen/webuploader,zhaosichao/webuploader,ouyang90/webuploader,herohenu/webuploader,profitfrl/webuploader,cnbin/webuploader,allsmy/webuploader,fengjianjunstudy/webuploader,leiallen/webuploader,ikenneth/webuploader,Janson-Leung/webuploader,Rudy24/webuploader,baiyanghese/webuploader,lovelykobe/webuploader,dianerdianer/webuploader,git-lt/webuploader,leiallen/webuploader,fex-team/webuploader,cnbin/webuploader,leiallen/webuploader,Rudy24/webuploader,2betop/webuploader,baitongda/webuploader,MienDev/webuploader,tarobjtu/webuploader,git-lt/webuploader,Youraiseme/webuploader,leiallen/webuploader,NTASTE/webuploader,NTASTE/webuploader,greatpie/WebUploader,fex-team/webuploader,Rudy24/webuploader,cnbin/webuploader,meleslilijing/webuploader,fengshao0907/webuploader,yuefengkai/webuploader,wxmfront/webuploader,zhaosichao/webuploader,Yumozhi/webuploader,jimmy-yao/webuploader,yuefengkai/webuploader,xiexingen/webuploader,Markxuxiao/webuploader,jimmy-yao/webuploader,dianerdianer/webuploader,ikenneth/webuploader,xiexingen/webuploader,BobJavascript/webuploader,wangyun122/webuploader,tarobjtu/webuploader,baiyanghese/webuploader,orangemi/webuploader,fengjianjunstudy/webuploader,wangyun122/webuploader,Youraiseme/webuploader,BobJavascript/webuploader,ikenneth/webuploader,pjkui/webuploader,lovelykobe/webuploader,Markxuxiao/webuploader,fengjianjunstudy/webuploader,Youraiseme/webuploader,VioletLife/webuploader,lovelykobe/webuploader,VioletLife/webuploader,dianerdianer/webuploader,VioletLife/webuploader,meleslilijing/webuploader,rwecho/webuploader,wangyun122/webuploader,MienDev/webuploader,rwecho/webuploader,greatpie/WebUploader,tarobjtu/webuploader,Rudy24/webuploader,meleslilijing/webuploader,caizhifu/webuploader,Youraiseme/webuploader,WPG/webuploader,2betop/webuploader,fex-team/webuploader,meleslilijing/webuploader,Rudy24/webuploader,fex-team/webuploader,fengshao0907/webuploader,BobJavascript/webuploader,lovelykobe/webuploader,BobJavascript/webuploader,baiyanghese/webuploader,greatpie/WebUploader,pjkui/webuploader,caizhifu/webuploader,VioletLife/webuploader,Markxuxiao/webuploader,jimmy-yao/webuploader,profitfrl/webuploader,leiallen/webuploader,rwecho/webuploader,caizhifu/webuploader,ouyang90/webuploader,herohenu/webuploader,MienDev/webuploader,xiexingen/webuploader,allsmy/webuploader,fengshao0907/webuploader,dianerdianer/webuploader,admpub/webuploader,caizhifu/webuploader,xiexingen/webuploader,NTASTE/webuploader,WPG/webuploader,rwecho/webuploader,greatpie/WebUploader,Youraiseme/webuploader,git-lt/webuploader,ouyang90/webuploader,meleslilijing/webuploader,WPG/webuploader,admpub/webuploader,fengjianjunstudy/webuploader,lovelykobe/webuploader,admpub/webuploader,fengjianjunstudy/webuploader,jimmywang1994/webuploader,tarobjtu/webuploader,git-lt/webuploader,wxmfront/webuploader,ouyang90/webuploader,Janson-Leung/webuploader,admpub/webuploader,BobJavascript/webuploader,wxmfront/webuploader,jimmywang1994/webuploader,NTASTE/webuploader,pjkui/webuploader,baiyanghese/webuploader,allsmy/webuploader,Janson-Leung/webuploader,zhaosichao/webuploader,admpub/webuploader,2betop/webuploader,webwlsong/webuploader,cnbin/webuploader,fengshao0907/webuploader,ouyang90/webuploader,WPG/webuploader,webwlsong/webuploader,profitfrl/webuploader,jimmywang1994/webuploader,baiyanghese/webuploader,Markxuxiao/webuploader,baitongda/webuploader,git-lt/webuploader,rwecho/webuploader,baitongda/webuploader,jimmywang1994/webuploader,MienDev/webuploader,wangyun122/webuploader,orangemi/webuploader,profitfrl/webuploader,xiexingen/webuploader,rwecho/webuploader,git-lt/webuploader,Yumozhi/webuploader,jimmy-yao/webuploader,MienDev/webuploader,Janson-Leung/webuploader