diff --git a/logPlus/mainwindowcurve.cpp b/logPlus/mainwindowcurve.cpp
index e44cdbc..48455bc 100644
--- a/logPlus/mainwindowcurve.cpp
+++ b/logPlus/mainwindowcurve.cpp
@@ -3338,6 +3338,12 @@ void MainWindowCurve::ZoomIn(float fNewZoom)
              }
         }
     }
+    if(columnCount>0)
+    {
+        int iNewScale = m_iScale/fNewZoom;
+        //改变缩放比例
+        s_changeScale(m_strUuid, iNewScale);
+    }
 }
 
 //放大