diff --git a/.gitignore b/.gitignore
index 8dc4e25..0dac025 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,6 @@
 /othersoft/calibration_console/build/
 /othersoft/shuttercali/project/LocationCali/cmake-build-debug
 /othersoft/calibration_console/cmake-build-debug/
+/othersoft/movingliner/cmake-build-debug/
+/othersoft/movingliner/cmake-build-debug-toweris2/
+/othersoft/movingliner/cmake-build-release/
diff --git a/othersoft/movingliner/main.cpp b/othersoft/movingliner/main.cpp
index 4f4e4fb..aa813f8 100644
--- a/othersoft/movingliner/main.cpp
+++ b/othersoft/movingliner/main.cpp
@@ -35,10 +35,12 @@ int main(int argc, char *argv[]) {
     // m_qsDeviceConfig->value("LINEAR SHUTTER/Port").toString()
    if( m_qsDeviceConfig->value("LINEAR SHUTTER/Port").toString()=="GPIO")
    {
+       //cout1<<"ERROR number position"<<flush;
        int positionnumber=m_qsDeviceConfig->value("LINEAR SHUTTER/TotalPosition").toInt();
-       if (str>=positionnumber)
+       if (str.toInt()>=positionnumber)
        {
            cout1<<"ERROR number position"<<flush;
+           return 0;
        }
 
         int targetpos=m_qsDeviceConfig->value("LINEAR SHUTTER/Position"+str).toLongLong();
@@ -51,10 +53,10 @@ int main(int argc, char *argv[]) {
            system(com.toStdString().c_str());
 
        }
-       QThread::sleep(500);
+       QThread::msleep(500);
        QString com="gpio write "+QString::number(targetpos)+" 1";
        system(com.toStdString().c_str());
-       QThread::sleep(500);
+       QThread::msleep(500);
        cout1<<"FINISH Change Shutter <br>"<<flush;
 
        return 0;