diff --git a/worker.go b/worker.go
index 9124a06..b217f0d 100644
--- a/worker.go
+++ b/worker.go
@@ -102,6 +102,7 @@ func yunhorn_lora_l_v1(data_buf []byte) {
 
 }
 
+//用于演示，展示在大屏上一个厕位
 func yunhorn_ys_l_v1(data_buf []byte) {
 
 	// for _, i := range conf.RS485DEVICES {
@@ -131,7 +132,7 @@ func yunhorn_ys_l_v1(data_buf []byte) {
 	demoDevice.DATA["data"+strconv.Itoa(3)] = 0
 
 	//485
-	if data_type[0] == 2 {
+	if data_int0==0 && data_int1==0 {
 		demoDevice.DATA["data"+strconv.Itoa(8)] = data_int[0]
 		var device Device
 		device.Lock()