diff --git a/logPlus/formdraw.cpp b/logPlus/formdraw.cpp
index 000a739..00408c5 100644
--- a/logPlus/formdraw.cpp
+++ b/logPlus/formdraw.cpp
@@ -804,8 +804,7 @@ void FormDraw::initWave(QMyCustomPlot *widget, QString strSlfName, QString strWa
     logio->CloseWave(index);
     delete logio;
 
-
-    float vmax = (float)_wave.TimeSamples;
+    float vmax = 0;//(float)_wave.TimeSamples;
     float vmin = 0;
     //
     double** wavedata;
@@ -825,8 +824,8 @@ void FormDraw::initWave(QMyCustomPlot *widget, QString strSlfName, QString strWa
                 continue;
             }
             //
-//            if(vmax<val)vmax=val;
-//            if(vmin>val)vmin=val;
+            if(vmax<val)vmax=val;
+            if(vmin>val)vmin=val;
         }
     }
     delete[] value;
@@ -867,8 +866,13 @@ void FormDraw::initWave(QMyCustomPlot *widget, QString strSlfName, QString strWa
       {
 //        colorMap->data()->cellToCoord(xIndex, yIndex, &x, &y);
 //        double r = 3*qSqrt(x*x+y*y)+1e-2;
-//        z = 2*x*(qCos(r+2)/r-qSin(r+2)/r); // the B field strength of dipole radiation (modulo physical constants)
-        colorMap->data()->setCell(xIndex, yIndex, wavedata[yIndex][xIndex]);
+//        z = 2*x*(qCos(r+2)/r-qSin(r+2)/r); // the B field strength of dipole radiation (modulo physical constants);
+
+          if(wavedata[yIndex][xIndex]==-9999)
+          {
+              continue;
+          }
+          colorMap->data()->setCell(xIndex, yIndex, wavedata[yIndex][xIndex]);
       }
     }
 
@@ -916,7 +920,7 @@ void FormDraw::initWave(QMyCustomPlot *widget, QString strSlfName, QString strWa
     double width=2;
     QString strScaleType = "";
     //道-对象
-    m_formTrack->Add(strSlfName, m_strWellName, m_strTrackName, strWaveName, strAliasName, strUnit, newlineColor, width, vmax, vmin, strScaleType, "waveObject");
+    m_formTrack->Add(strSlfName, m_strWellName, m_strTrackName, strWaveName, strAliasName, strUnit, newlineColor, width, _wave.TimeSamples, 0, strScaleType, "waveObject");
 
 }