diff --git a/Header_Files/irisximeaimager.h b/Header_Files/irisximeaimager.h
index ed41fbe..041ecf1 100644
--- a/Header_Files/irisximeaimager.h
+++ b/Header_Files/irisximeaimager.h
@@ -31,6 +31,9 @@ namespace Iris
         void setEffectiveWindowRoi(int OffsetX, int width);
         int getBufferSizeOfOneFrame();
         float getTemperature();
+
+        XI_IMG m_image; // image buffer
+
     public:
         //继承基类的
         IrisXimeaImager();//11111111111111111111
@@ -95,7 +98,6 @@ namespace Iris
         bool is_trigger_external();
     protected:
     private:
-        XI_IMG m_image; // image buffer
         uint64_t m_timestampOfCamera;
 
         int m_iSpectralBin;
diff --git a/Source_Files/irisximeaimager.cpp b/Source_Files/irisximeaimager.cpp
index f1f1242..e7b5a18 100644
--- a/Source_Files/irisximeaimager.cpp
+++ b/Source_Files/irisximeaimager.cpp
@@ -95,7 +95,7 @@ int Iris::IrisXimeaImager::getBufferSizeOfOneFrame()
 //
 //    return static_cast<int>(m_image.bp_size);
 
-    return m_iEffectiveWindow_height * m_iEffectiveWindowRoi_width * 2;
+    return m_iEffectiveWindow_height * m_iEffectiveWindow_width * 2;
 }
 
 float Iris::IrisXimeaImager::getTemperature()
@@ -236,10 +236,10 @@ unsigned short *Iris::IrisXimeaImager::get_frame(unsigned short *buffer)
 //    //方法2:此做法是错误的，虽然是指针，也是传值！
 //    buffer = (unsigned short *)m_image.bp;
 
-    for(int i=0;i<m_iEffectiveWindow_height;i++)
-    {
-        memcpy(buffer+i*m_iEffectiveWindowRoi_width, (unsigned short *)m_image.bp + i*m_iEffectiveWindow_width + m_iEffectiveWindowRoi_OffsetX, m_iEffectiveWindowRoi_width*2);
-    }
+//    for(int i=0;i<m_iEffectiveWindow_height;i++)
+//    {
+//        memcpy(buffer+i*m_iEffectiveWindowRoi_width, (unsigned short *)m_image.bp + i*m_iEffectiveWindow_width + m_iEffectiveWindowRoi_OffsetX, m_iEffectiveWindowRoi_width*2);
+//    }
 
     //强制将指针从高精度（uint64_t*）转换到低精度（unsigned short *），会有精度降低的问题???????????????????????????????????????????????????
     return (unsigned short *)&m_timestampOfCamera;
@@ -343,7 +343,7 @@ int Iris::IrisXimeaImager::get_inc_end_band()
 
 int Iris::IrisXimeaImager::get_sample_count()
 {
-    return m_iEffectiveWindowRoi_width;
+    return m_iEffectiveWindow_width;
 }
 
 int Iris::IrisXimeaImager::get_start_sample()