diff --git a/logPlus/transparentdraggableimage.cpp b/logPlus/transparentdraggableimage.cpp
index 3c66306..0c82e08 100644
--- a/logPlus/transparentdraggableimage.cpp
+++ b/logPlus/transparentdraggableimage.cpp
@@ -204,7 +204,7 @@ void TransparentDraggableImage::setRange(double left_Low, double right_Hight)
 }
 
 // 设置矩形范围
-void TransparentDraggableImage::setRange(double left_Low, double right_Hight,double leftPercentage, double widthPercentage)
+void TransparentDraggableImage::setRange(double left_Low, double right_Hight,double leftPercentage, double widthPercentage, int flag)
 {
     if(left_Low >= right_Hight) return;
 //    qDebug() << "left_Low" << left_Low <<
@@ -214,6 +214,17 @@ void TransparentDraggableImage::setRange(double left_Low, double right_Hight,dou
     // 百分比转换实际距离
     double left;
     double width;
+    // todo 现在大小判断有问题 这里只是绘图的判断 应该在上一层保存的时候做判断
+//    if(flag == 0)
+//    {
+//        if(leftPercentage + widthPercentage > 100){
+//            leftPercentage = 100 - widthPercentage;
+//        }
+//    }
+//    else if(flag == 1)
+//    {
+//    }
+
     left = (leftPercentage/100) * mPlot->yAxis->range().upper;
     width = (widthPercentage/100) * mPlot->yAxis->range().upper;
 
diff --git a/logPlus/transparentdraggableimage.h b/logPlus/transparentdraggableimage.h
index bb26b5b..1fddd6d 100644
--- a/logPlus/transparentdraggableimage.h
+++ b/logPlus/transparentdraggableimage.h
@@ -38,7 +38,8 @@ public:
 
     // 设置矩形范围
     void setRange(double left_Low, double right_Hight);
-    void setRange(double left_Low, double right_Hight,double left, double width);
+    // flag=0边距修改 1宽度修改
+    void setRange(double left_Low, double right_Hight,double left, double width, int flag = 0);
     // 获取当前范围
     QCPRange getRange();
     QString getMResult();