+ [ios] bugfix:clipboard callback value not rgiht
+ [ios] bugfix:clipboard callback value not rgiht

alibaba/weex,acton393/weex,boboning/weex,KalicyZhou/incubator-weex,misakuo/incubator-weex,Neeeo/incubator-weex,Hanks10100/incubator-weex,Hanks10100/weex,LeeJay0226/weex,alibaba/weex,zhangquan/weex,dianwodaMobile/DWeex,alibaba/weex,zhangquan/weex,xiayun200825/weex,miomin/incubator-weex,KalicyZhou/incubator-weex,acton393/incubator-weex,LeeJay0226/weex,weexteam/incubator-weex,leoward/incubator-weex,leoward/incubator-weex,MrRaindrop/incubator-weex,boboning/weex,bigconvience/weex,acton393/incubator-weex,acton393/incubator-weex,Neeeo/incubator-weex,dianwodaMobile/DWeex,cxfeng1/incubator-weex,KalicyZhou/incubator-weex,acton393/weex,Hanks10100/weex,Neeeo/incubator-weex,MrRaindrop/incubator-weex,acton393/incubator-weex,yuguitao/incubator-weex,weexteam/incubator-weex,leoward/incubator-weex,KalicyZhou/incubator-weex,kfeagle/weex,Hanks10100/incubator-weex,cxfeng1/weex,MrRaindrop/weex,Hanks10100/incubator-weex,Hanks10100/weex,bigconvience/weex,xiayun200825/weex,cxfeng1/incubator-weex,LeeJay0226/weex,bigconvience/weex,miomin/incubator-weex,cxfeng1/weex,dianwodaMobile/DWeex,alibaba/weex,MrRaindrop/weex,bigconvience/weex,xiayun200825/weex,zhangquan/weex,yuguitao/incubator-weex,erha19/incubator-weex,leoward/incubator-weex,Neeeo/incubator-weex,Neeeo/incubator-weex,xiayun200825/weex,cxfeng1/incubator-weex,Hanks10100/incubator-weex,miomin/incubator-weex,boboning/weex,misakuo/incubator-weex,acton393/incubator-weex,Hanks10100/incubator-weex,erha19/incubator-weex,boboning/weex,cxfeng1/weex,dianwodaMobile/DWeex,miomin/incubator-weex,Hanks10100/weex,HomHomLin/weex,bigconvience/weex,alibaba/weex,erha19/incubator-weex,leoward/incubator-weex,kfeagle/weex,HomHomLin/weex,MrRaindrop/weex,dianwodaMobile/DWeex,alibaba/weex,erha19/incubator-weex,HomHomLin/weex,Hanks10100/weex,erha19/incubator-weex,acton393/weex,misakuo/incubator-weex,misakuo/incubator-weex,HomHomLin/weex,erha19/incubator-weex,alibaba/weex,misakuo/incubator-weex,MrRaindrop/incubator-weex,boboning/weex,MrRaindrop/incubator-weex,yuguitao/incubator-weex,weexteam/incubator-weex,yuguitao/incubator-weex,acton393/incubator-weex,KalicyZhou/incubator-weex,HomHomLin/weex,zhangquan/weex,Hanks10100/incubator-weex,bigconvience/weex,boboning/weex,xiayun200825/weex,cxfeng1/incubator-weex,zhangquan/weex,acton393/incubator-weex,Hanks10100/weex,HomHomLin/weex,miomin/incubator-weex,MrRaindrop/weex,dianwodaMobile/DWeex,cxfeng1/weex,MrRaindrop/weex,MrRaindrop/weex,yuguitao/incubator-weex,zhangquan/weex,xiayun200825/weex,kfeagle/weex,kfeagle/weex,miomin/incubator-weex,cxfeng1/weex,erha19/incubator-weex,Neeeo/incubator-weex,erha19/incubator-weex,Hanks10100/incubator-weex,yuguitao/incubator-weex,kfeagle/weex,misakuo/incubator-weex,acton393/incubator-weex,cxfeng1/incubator-weex,leoward/incubator-weex,acton393/weex,weexteam/incubator-weex,miomin/incubator-weex,weexteam/incubator-weex,cxfeng1/incubator-weex,acton393/weex,cxfeng1/weex,LeeJay0226/weex,LeeJay0226/weex,Hanks10100/incubator-weex,KalicyZhou/incubator-weex,kfeagle/weex,weexteam/incubator-weex,MrRaindrop/incubator-weex,acton393/weex,MrRaindrop/incubator-weex,miomin/incubator-weex,LeeJay0226/weex