diff --git a/internal/module/m9zTtyApi/read.go b/internal/module/m9zTtyApi/read.go
index 486de44..9008513 100644
--- a/internal/module/m9zTtyApi/read.go
+++ b/internal/module/m9zTtyApi/read.go
@@ -142,8 +142,8 @@ type DeviceStatus struct {
 // 实时监控数据
 func getDeviceStatus2(rpc towgo.JsonRpcConnection) {
 	// 临时演示模式：原串口读取实现已保留在 getDeviceStatus2Real。
-	getDeviceStatus2Real(rpc)
-	//rpc.WriteResult(buildDemoDeviceStatus2())
+	//getDeviceStatus2Real(rpc)
+	rpc.WriteResult(buildDemoDeviceStatus2())
 }
 
 func getDeviceStatus2Real(rpc towgo.JsonRpcConnection) {