function
	local taskname="userDataTask"
	log.info(taskname,"start")
	local nid,netr,nets=1,"",""
	local uid,uartr,uarts=1,"",""
	local oldkey =nil
	local in1os,in2os,in3os,in4os=nil,nil,nil,nil
	local needup=1
	local lastuptime=0
	
	PronetStopProRecCh(1)
	UartStopProRecCh(1) --如果串口数据还需要透传，需要删除
	PerSetDo(1,0)
	PerSetDo(2,0)
	while true do
	    --解析网络数据
		netr = PronetGetRecChAndDel(nid)
		if netr then 
			log.info(taskname,"netr data",netr)
			local j =json.decode(netr)
			if j and type(j)=="table" and (j.relay1 ~= nil or j.relay2 ~= nil) then 
				if j.relay1 == true then 
					PerSetDo(1,1)
				elseif j.relay1 == false then
					PerSetDo(1,0)
				end
				if j.relay2 == true then 
					PerSetDo(2,1)
				elseif j.relay2 == false then
					PerSetDo(2,0)
				end
				
				local jb={}
				jb.cmd ="cmdbck"
				jb.res =1
				jb.In1=PerGetDiById(1)
				jb.In2=PerGetDiById(2)
				jb.csq=mobile.csq()
				
				local bck = json.encode(jb)
				if bck and 1==PronetGetNetSta(nid) then 
					PronetSetSendCh(nid,bck)
				end 
			end 
		end 
		
        --检查输入通道1是否变化控制继电器
		local key=PerGetDiById(1)
		if oldkey~=key then 
			oldkey=key
			if key==0 then 
				local s = PerGetDoSta(1)
				if s ==0 then 
					PerSetDo(1,1)
				else 
					PerSetDo(1,0)
				end
			end 
		end 
		
		--周期上报设备状态
		local nowtime = os.time()
		if nowtime-lastuptime > 60 then 
			lastuptime = nowtime
			needup=1
		end 
		
		--检查输入状态变化马上上报
		local d ={}
		local in1s=PerGetDiById(1)
		local in2s =PerGetDiById(2)
		
		d.datetime=os.date("%Y-%m-%d %H:%M:%S")
		d.csq=mobile.csq()
		d.imei=mobile.imei()
		d.iccid = PerGetIccid()
		d.vbat = PerGetVbattV()
		d.In1 = in1s
		d.In2 = in2s
		
		if in1s~=in1os then 
			in1os =in1s
			needup=1
		end 
		if in2s~=in2os then 
			in2os =in2s
			needup=1
		end 
		
		if needup ==1 then 
			local updata = json.encode(d)
			netsta = PronetGetNetSta(nid)
			log.info(taskname,"updata",updata,"netsta",netsta)
			if updata and netsta ==1 then 
				PronetSetSendCh(nid,updata)
			end
			needup=0
		end 
		sys.wait(100)
	end
end