diff --git a/app/src/main/cpp/SensorsProtocol.cpp b/app/src/main/cpp/SensorsProtocol.cpp
index c57bff12..7c0c97b7 100644
--- a/app/src/main/cpp/SensorsProtocol.cpp
+++ b/app/src/main/cpp/SensorsProtocol.cpp
@@ -2969,7 +2969,7 @@ void ShxyProtocolDataProcess(int devno)
 	int			i, j, aipnt, datanum;
 	SERIAL_DEV_DEF	*pPortParam;
 	SIO_PARAM_SERIAL_DEF *curserial;
-	char			szbuf[64];
+	char			szbuf[128];
 
 	pPortParam = &srdt.ms_dev[devno];
 	curserial = &serialport[devparam[devno].commid];