Mozilla/5.0 (Linux; U; Android 4.4.2; xx; Nexus 7 Build/KOT49H) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1 parameters/{scr=672_1280,cm=1,ql=l,imei=012345678912345,bm=1,eng=adrmini19,mdm=0,mdl=Nexus 7,ps=1} tiantian(securitypay)