diff --git a/CMakeLists.txt b/CMakeLists.txt
index a4c5fbb..4c1114c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -116,6 +116,8 @@ set(DATAPANEL_FILES
     dataPanel/dpConfigurationDialog.cpp
     dataPanel/dpBaseWidget.h
     dataPanel/dpBaseWidget.cpp
+    dataPanel/dpBaseChart.h
+    dataPanel/dpBaseChart.cpp
     dataPanel/dpLineChart.h
     dataPanel/dpLineChart.cpp
 )
diff --git a/dataPanel/dpBaseChart.cpp b/dataPanel/dpBaseChart.cpp
new file mode 100644
index 0000000..0721b0f
--- /dev/null
+++ b/dataPanel/dpBaseChart.cpp
@@ -0,0 +1,9 @@
+#include "dpBaseChart.h"
+
+dpBaseChart::dpBaseChart(QWidget* parent)
+    :dpBaseWidget(parent)
+{}
+
+dpBaseChart::~dpBaseChart()
+{
+}
diff --git a/dataPanel/dpBaseChart.h b/dataPanel/dpBaseChart.h
new file mode 100644
index 0000000..22936b6
--- /dev/null
+++ b/dataPanel/dpBaseChart.h
@@ -0,0 +1,30 @@
+#ifndef DPBASECHART_H
+#define DPBASECHART_H
+
+#include "dpBaseWidget.h"
+
+class dpBaseChart : public dpBaseWidget
+{
+    Q_OBJECT
+
+public:
+    dpBaseChart(QWidget *parent = nullptr);
+    ~dpBaseChart();
+
+    void setTimeRange(TimeUnit) {}
+    void setDateTime(const QDateTime&) {}
+    void viewHistoricalData(const QDateTime&) {}
+
+protected:
+    struct ChartStyle
+    {
+        QColor bgColor; //背景颜色
+        QColor axisColor; //坐标轴颜色
+        QColor tickColor; //刻度颜色
+        QColor tickLabelColor; //刻度label颜色
+        QFont  tickLabelFont; //刻度label字体
+        QPen   gridPen; //网格线颜色
+    };
+};
+
+#endif
diff --git a/dataPanel/dpBaseWidget.h b/dataPanel/dpBaseWidget.h
index dad2b24..30e706d 100644
--- a/dataPanel/dpBaseWidget.h
+++ b/dataPanel/dpBaseWidget.h
@@ -26,19 +26,6 @@ public:
     virtual void setTimeRange(TimeUnit) {}
     virtual void setDateTime(const QDateTime&) {}
     virtual void viewHistoricalData(const QDateTime&) {}
-
-protected:
-    struct ChartStyle
-    {
-        QColor bgColor; //背景颜色
-        QColor axisColor; //坐标轴颜色
-        QColor tickColor; //刻度颜色
-        QColor tickLabelColor; //刻度label颜色
-        QFont  tickLabelFont; //刻度label字体
-        QPen   gridPen; //网格线颜色
-    };
-
-private:
 };
 
 #endif
diff --git a/dataPanel/dpLineChart.cpp b/dataPanel/dpLineChart.cpp
index 594009b..f3beb92 100644
--- a/dataPanel/dpLineChart.cpp
+++ b/dataPanel/dpLineChart.cpp
@@ -2,7 +2,7 @@
 #include "util/Chart/qcustomplot.h"
 
 dpLineChart::dpLineChart(QWidget* parent)
-    :dpBaseWidget(parent)
+    :dpBaseChart(parent)
 {
     setAttribute(Qt::WA_TranslucentBackground,true);
 
diff --git a/dataPanel/dpLineChart.h b/dataPanel/dpLineChart.h
index 279ed06..7fa6e81 100644
--- a/dataPanel/dpLineChart.h
+++ b/dataPanel/dpLineChart.h
@@ -10,12 +10,12 @@
 **
 ******************************************************************************/
 
-#include "dpBaseWidget.h"
+#include "dpBaseChart.h"
 
 class QCustomPlot;
 class QCPRange;
 
-class dpLineChart : public dpBaseWidget
+class dpLineChart : public dpBaseChart
 {
     Q_OBJECT
 
@@ -23,9 +23,9 @@ public:
     dpLineChart(QWidget *parent = nullptr);
     ~dpLineChart();
 
-    void setTimeRange(TimeUnit);
-    void setDateTime(const QDateTime&);
-    void viewHistoricalData(const QDateTime&);
+    void setTimeRange(TimeUnit) override;
+    void setDateTime(const QDateTime&) override;
+    void viewHistoricalData(const QDateTime&) override;
 
 public slots:
     void onSignal_rangeChanged_xAxis(const QCPRange&);