diff --git a/logPlus/mainwindowcurve.cpp b/logPlus/mainwindowcurve.cpp
index 5061bbd..b086f5f 100644
--- a/logPlus/mainwindowcurve.cpp
+++ b/logPlus/mainwindowcurve.cpp
@@ -5275,6 +5275,9 @@ void MainWindowCurve::s_hvDraw()
 	double topDep = getVisibleTopDepth();
 	m_dBottomDepth = this->getVisibleBottomDepth();
 	emit CallManage::getInstance()->sig_ResizeDepth(m_strUuid, m_nObjDrawH, topDep, m_dBottomDepth);
+
+    //锁头
+    s_showHeadTable();
 }
 
 //显示/隐藏图头(手动点击工具栏)