diff --git a/myis11/src/is11/IS11_INST.cpp b/myis11/src/is11/IS11_INST.cpp
index 2ba5bfe..2d814b0 100644
--- a/myis11/src/is11/IS11_INST.cpp
+++ b/myis11/src/is11/IS11_INST.cpp
@@ -15,7 +15,7 @@
 #include "IS11_INST.h"
 #include "iostream"
 #include "cstring"
-
+#include <cstdio>  // 对于 snprintf
 SensorIS11 *thissensorIS11;
 int IS11SensorInit()
 {
@@ -34,10 +34,12 @@ STRsensorinfo_C Get_SensorInfo() {
     STRSensorInfo sensorinfo= thissensorIS11->SensorInfo;
     STRsensorinfo_C sensorinfo_c;
     //把sensorname 拷贝到sensorinfo_c
-    strcpy_s(sensorinfo_c.SensorName,sensorinfo.SensorName.c_str());
+    //strcpy_s(sensorinfo_c.SensorName,sensorinfo.SensorName.c_str());
+    snprintf(sensorinfo_c.SensorName, sizeof(sensorinfo_c.SensorName), "%s", sensorinfo.SensorName.c_str());
     sensorinfo_c.BandNum = sensorinfo.BandNum;
     sensorinfo_c.maxValue = sensorinfo.maxValue;
-    strcpy_s(sensorinfo_c.serialnumber,sensorinfo.serialnumber.c_str());
+    //strcpy_s(sensorinfo_c.serialnumber,sensorinfo.serialnumber.c_str());
+    snprintf(sensorinfo_c.serialnumber, sizeof(sensorinfo_c.serialnumber), "%s", sensorinfo.serialnumber.c_str());
     sensorinfo_c.a1 = sensorinfo.a1;
     sensorinfo_c.a2 = sensorinfo.a2;
     sensorinfo_c.a3 = sensorinfo.a3;