diff --git a/db/gateway.db b/db/gateway.db
index 540f044..fc64590 100644
Binary files a/db/gateway.db and b/db/gateway.db differ
diff --git a/worker.go b/worker.go
index 8504b1c..d240d8c 100644
--- a/worker.go
+++ b/worker.go
@@ -41,6 +41,11 @@ func yunhorn_ys_l_v1(data_buf []byte){
 	device.ID=demoDevice.ID
 	device.VERSION=demoDevice.VERSION
 	device.ONLINE=demoDevice.ONLINE
+
+  demoDevice.DATA["data"+strconv.Itoa(1)]=rand.Intn(2)
+  demoDevice.DATA["data"+strconv.Itoa(2)]=rand.Intn(2)
+  demoDevice.DATA["data"+strconv.Itoa(3)]=rand.Intn(2)
+
   demoDevice.DATA["data"+strconv.Itoa(7)]=data_int[0]
   demoDevice.DATA["data"+strconv.Itoa(8)]=rand.Intn(2)
 	device.DATA=demoDevice.DATA