diff --git a/libzqt/widgetplot2d.cpp b/libzqt/widgetplot2d.cpp
index 0fca44f..9c47202 100644
--- a/libzqt/widgetplot2d.cpp
+++ b/libzqt/widgetplot2d.cpp
@@ -4,7 +4,7 @@
 
 #include "ui_widgetplot2d.h"
 
-WidgetPlot2D::WidgetPlot2D(QWidget* parent) : QWidget(parent), ui(new Ui::WidgetPlot2D), time(QTime::currentTime()) {
+WidgetPlot2D::WidgetPlot2D(QWidget* parent) : QWidget(parent), ui(new Ui::WidgetPlot2D) {
   ui->setupUi(this);
   // QCP绘图初始化
   initQCP();
@@ -19,7 +19,7 @@ WidgetPlot2D::WidgetPlot2D(QWidget* parent) : QWidget(parent), ui(new Ui::Widget
   // 滚动条设置
   ui->horizontalScrollBar->setRange(0, 0);
   // 拖动水平滚动条，图幅跟随变化
-  connect(ui->horizontalScrollBar, SIGNAL(valueChanged(int)), this, SLOT(horzScrollBarChanged(int)));
+  // connect(ui->horizontalScrollBar, SIGNAL(valueChanged(int)), this, SLOT(horzScrollBarChanged(int)));
   // 默认坐标范围
   ui->customPlot->yAxis->setRange(-20, 20);
   ui->customPlot->replot();
@@ -113,17 +113,29 @@ void WidgetPlot2D::initGraphName(QStringList name) {
 void WidgetPlot2D::addData(QString name, double value, int offms) {
   // 如果点击了“暂停”按钮，则不绘制图形
   if (ui->pausePBtn->text() == "开始") return;
+
+  double key = 0;
+  double val = value;
+
+  pointCnt[nameToGraphMap[name]]++;
+  key = pointCnt[nameToGraphMap[name]];
+
+  if (ui->autoRangeCheck->isChecked()) {
+    ui->customPlot->rescaleAxes();
+  }
+  ui->customPlot->graph(nameToGraphMap[name])->addData(key, value);
+  ui->customPlot->xAxis->setRange(key, ui->customPlot->xAxis->range().size(), Qt::AlignRight);
+  ui->customPlot->replot(QCustomPlot::rpQueuedReplot);
+
+#if 0
   // 系统当前时间 = 系统运行初始时间 + 系统运行时间
   static double start = time.hour() * 60 * 60 + time.minute() * 60 + time.second() + time.msec() / 1000.0;
   double        key   = start + time.elapsed() / 1000.0 + offms / 1000;
-  //    double start = 0;
-  //    static int key = 0;
-  //    key++;
-  //    qDebug() << "start" << start;
-  //    qDebug() << "key" << key;
+
   // 子网格显示
   ui->customPlot->xAxis->grid()->setSubGridVisible(ui->subGridCheck->isChecked());
   ui->customPlot->yAxis->grid()->setSubGridVisible(ui->subGridCheck->isChecked());
+
   // 自适应量程
   if (ui->autoRangeCheck->isChecked()) {
     ui->customPlot->rescaleAxes();
@@ -165,6 +177,7 @@ void WidgetPlot2D::addData(QString name, double value, int offms) {
       valueLabelVector[t]->setText(QString::number(valueVector[t]));
     }
   }
+#endif
   //----------------------------------------------------------------------------------------//
 }
 
@@ -235,9 +248,9 @@ void WidgetPlot2D::initQCP() {
   // 可放大缩小和移动
   ui->customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
   // x轴以时间形式显示
-  QSharedPointer<QCPAxisTickerTime> timeTicker(new QCPAxisTickerTime);
-  timeTicker->setTimeFormat("%h:%m:%s");
-  ui->customPlot->xAxis->setTicker(timeTicker);
+  // QSharedPointer<QCPAxisTickerTime> timeTicker(new QCPAxisTickerTime);
+  // timeTicker->setTimeFormat("%h:%m:%s");
+  // ui->customPlot->xAxis->setTicker(timeTicker);
   ui->customPlot->axisRect()->setupFullAxesBox();
   ui->customPlot->replot();
 }
@@ -382,7 +395,10 @@ void WidgetPlot2D::plotOperation() {
         // 先获得每条曲线的数据指针，然后删除数据
         ui->customPlot->graph(i)->data()->clear();
         ui->customPlot->replot();
-        time = QTime::currentTime();
+
+        for (size_t i = 0; i < 100; i++) {
+          pointCnt[i] = 0;
+        }
       }
     }
     if (btn->text() == "整图") {
@@ -437,10 +453,4 @@ void WidgetPlot2D::savePlotPng() {
 }
 
 /* 水平滚动条移动 */
-void WidgetPlot2D::horzScrollBarChanged(int value) {
-  // 若全程显示，则不移动绘图坐标
-  if (ui->fullShowCheck->isChecked()) return;
-  int timeAxis = ui->timeAxisSpin->value();
-  ui->customPlot->xAxis->setRange(value, timeAxis, Qt::AlignRight);
-  ui->customPlot->replot();
-}
+void WidgetPlot2D::horzScrollBarChanged(int value) {}
diff --git a/libzqt/widgetplot2d.h b/libzqt/widgetplot2d.h
index 806e4a6..8880ee1 100644
--- a/libzqt/widgetplot2d.h
+++ b/libzqt/widgetplot2d.h
@@ -1,54 +1,52 @@
 #ifndef WIDGETPLOT2D_H
 #define WIDGETPLOT2D_H
 
-#include <QWidget>
 #include <QCheckBox>
 #include <QLabel>
 #include <QPushButton>
+#include <QWidget>
+
 #include "qcustomplot.h"
 
 namespace Ui {
 class WidgetPlot2D;
 }
 
-class WidgetPlot2D : public QWidget
-{
-    Q_OBJECT
-
-public:
-    explicit WidgetPlot2D(QWidget *parent = 0);
-    ~WidgetPlot2D();
+class WidgetPlot2D : public QWidget {
+  Q_OBJECT
 
-    void initGraphName(QStringList name);
+ public:
+  explicit WidgetPlot2D(QWidget *parent = 0);
+  ~WidgetPlot2D();
 
-private:
-    Ui::WidgetPlot2D *ui;
+  void initGraphName(QStringList name);
 
-    QVector<QCheckBox*> isShowCheckBoxVector;              // 是否显示勾选框
-    QVector<QLabel*> valueLabelVector;                     // label数值显示
-    QVector<QPushButton*>   GraphColorPushButtonVector;    // 曲线颜色选择按钮
-    QMap<QString, int> nameToGraphMap;                     // 曲线名称对应曲线序号
-    QVector<double> valueVector;                           // 存储曲线的当前值
-    QTime time;
+ private:
+  Ui::WidgetPlot2D *ui;
 
-    int pointNum = 0;
+  QVector<QCheckBox *>   isShowCheckBoxVector;        // 是否显示勾选框
+  QVector<QLabel *>      valueLabelVector;            // label数值显示
+  QVector<QPushButton *> GraphColorPushButtonVector;  // 曲线颜色选择按钮
+  QMap<QString, int>     nameToGraphMap;              // 曲线名称对应曲线序号
+  QVector<double>        valueVector;                 // 存储曲线的当前值
 
-    void initQCP();
-    void initWidget();
-    void setTheme(QColor axis, QColor background);
-    bool isDirExist(QString fullPath);
-    void savePlotPng();
+  int pointCnt[100] = {0};
 
+  void initQCP();
+  void initWidget();
+  void setTheme(QColor axis, QColor background);
+  bool isDirExist(QString fullPath);
+  void savePlotPng();
 
-private slots:
-    void changeGraphVisible();
-    void changeGraphColor();
-    void plotOperation();
-    void horzScrollBarChanged(int value);
-    void changePlotTheme();
+ private slots:
+  void changeGraphVisible();
+  void changeGraphColor();
+  void plotOperation();
+  void horzScrollBarChanged(int value);
+  void changePlotTheme();
 
-public slots:
-    void addData(QString name, double value,int offms);
+ public slots:
+  void addData(QString name, double value, int offms);
 };
 
-#endif // WIDGETPLOT2D_H
+#endif  // WIDGETPLOT2D_H