diff --git a/logPlus/mainwindowcurve.cpp b/logPlus/mainwindowcurve.cpp
index bb41165..8cfd3fd 100644
--- a/logPlus/mainwindowcurve.cpp
+++ b/logPlus/mainwindowcurve.cpp
@@ -594,31 +594,9 @@ void MainWindowCurve::vertScrollBarChanged(int iValue)
         iHeightOfScreen = g_iHeight_MyCustom;
     }
 
-    QRect rect2 = ui->centralwidget->geometry();
-    int left, top, right, bottom;
-    if (ui->centralwidget->layout())
-    {
-        ui->centralwidget->layout()->getContentsMargins(&left, &top, &right, &bottom);
-    }
-    //获取井well前2行的高度
-    int iTableSize_Head = 0;
-    getTableSize_Head(iTableSize_Head);
-    int iTableWellTrack_height = ui->tableWidget_2->rowHeight(0) + (5) + iTableSize_Head -1;
-    //可视区域高度
-    int iScreenHeight = 0;
-    //锁头
-    if(m_fixwellsectionHeaderAc->isChecked())
-    {
-        iScreenHeight = (double)(rect2.height()-10- top -bottom - iTableWellTrack_height)/g_dPixelPerCm * m_iScale;
-    }
-    else{
-        iScreenHeight = (double)(rect2.height()-10- top -bottom - 4)/g_dPixelPerCm * m_iScale;
-    }
-    //double dScrollHeight = (iHeightOfScreen-g_WorkSpace_Height)/g_dPixelPerCm/100.0 * (double)m_iScale;
+    double dScrollHeight = (iHeightOfScreen-g_WorkSpace_Height)/g_dPixelPerCm/100.0 * (double)m_iScale;
     double dScrollHeight_setGeometry = iHeightOfScreen/g_dPixelPerCm/100.0 * (double)m_iScale;
 
-    double dScreenHeightMi = (double)iScreenHeight/100.0;
-    double dScrollHeight = dScrollHeight_setGeometry - dScreenHeightMi;
     //
     double dDelta = value - upper;
     int iNumShow = dDelta/dScrollHeight;