diff --git a/logPlus/TransparentDraggableSwallCore.cpp b/logPlus/TransparentDraggableSwallCore.cpp
index a6801e9..7b9312f 100644
--- a/logPlus/TransparentDraggableSwallCore.cpp
+++ b/logPlus/TransparentDraggableSwallCore.cpp
@@ -295,8 +295,9 @@ void TransparentDraggableSwallCore::setRange(double left_Low, double right_Hight
 
     drawOil(left_Low2, right_Hight2, lY1, lY2);
 
-    mItemTitle->position->setCoords(mPlot->xAxis->pixelToCoord(x2+8),
-                                  mPlot->yAxis->pixelToCoord(y1+(m_fLeftSpace+m_fTriangleLen)+m_fImageWidth+12));
+    int textLength = mstrTitle.size() * m_textWidth;
+    mItemTitle->position->setCoords(mPlot->xAxis->pixelToCoord(x2+2),
+                                  mPlot->yAxis->pixelToCoord(y1+(m_fLeftSpace+m_fTriangleLen)+m_fImageWidth+2+textLength/2.0));
 
 
 
@@ -430,10 +431,12 @@ void TransparentDraggableSwallCore::initRect()
 //	mPixmap_Color->setScaled(true, Qt::IgnoreAspectRatio); // 设置缩放方式 KeepAspectRatio
 //	mPixmap_Color->setLayer("overlay"); // 确保在最上层
 
+    QFont font(QFont("Arial", 6, QFont::Light));
+
 	mItemTitle = new QCPItemText(mPlot);
 	mItemTitle->setText(mstrTitle);
 	//mItemTitle->setBrush(QBrush(Qt::red));
-    mItemTitle->setFont(QFont("Arial", 6, QFont::Light));
+    mItemTitle->setFont(font);
 	mItemTitle->setColor(Qt::black);
 	mItemTitle->setPositionAlignment(Qt::AlignTop | Qt::AlignHCenter);
 	mItemTitle->position->setType(QCPItemPosition::ptPlotCoords);
@@ -441,6 +444,11 @@ void TransparentDraggableSwallCore::initRect()
 	mItemTitle->position->setCoords(0.5, 0);
 	mItemTitle->setLayer("overlay");
 
+    //字体宽度
+    QFontMetrics metrics(font);
+    QString text = "1";
+    m_textWidth = metrics.width(text); // 获取文本宽度
+
     //三角形2边
     m_qcpItemLine1 = new QCPItemLine(mPlot);
     m_qcpItemLine1->setPen(QPen(QColor(0, 0, 0, 200)));
diff --git a/logPlus/TransparentDraggableSwallCore.h b/logPlus/TransparentDraggableSwallCore.h
index b4172fd..6a5a365 100644
--- a/logPlus/TransparentDraggableSwallCore.h
+++ b/logPlus/TransparentDraggableSwallCore.h
@@ -110,6 +110,8 @@ public:
     //
     float m_fColorWordLen=30;//颜色文字长度
 
+    int m_textWidth = 0;
+
     //鼠标形状
     bool m_bArrow = false;
     bool m_bMoveRect = false;