diff --git a/customtime.cpp b/customtime.cpp
index a2dca75..511f76d 100644
--- a/customtime.cpp
+++ b/customtime.cpp
@@ -1,14 +1,14 @@
 #include "customtime.h"
 
-CustomTimeThread::CustomTimeThread(QObject *parent)
+CustomTime::CustomTime(QObject *parent)
         : QThread{parent} {}
 
-void CustomTimeThread::setValue(QVector<int> vector, QString string) {
+void CustomTime::setValue(QVector<int> vector, QString string) {
     this->jd = vector;
     this->dataName = string;
 }
 
-void CustomTimeThread::run() {
+void CustomTime::run() {
     m_PlotView.clear();
     rule.clear();
 
diff --git a/customtime.h b/customtime.h
index 807fe15..7c04bf0 100644
--- a/customtime.h
+++ b/customtime.h
@@ -4,10 +4,10 @@
 #include <QThread>
 #include "global.h"
 
-class CustomTimeThread : public QThread {
+class CustomTime : public QThread {
 Q_OBJECT
 public:
-    explicit CustomTimeThread(QObject *parent = nullptr);
+    explicit CustomTime(QObject *parent = nullptr);
 
     void setValue(QVector<int> vector, QString string);
 
diff --git a/global.h b/global.h
index a6d5e49..aba8f61 100644
--- a/global.h
+++ b/global.h
@@ -15,12 +15,12 @@ extern QMap<QString, bool> namelist; //存储数据名以及数据是否是数
 extern QFile file;  //打开文件
 extern QCompleter *completer;   //下拉框选项
 extern QWidget *widget; //新窗口
-extern QDateTime beginTime;
-extern QDateTime endTime;
-extern QVector<QCustomPlot *> m_PlotView;
-extern QVector<QString> rule;
-extern QVector<double> xData[4];
-extern QVector<double> yData[4];
+extern QDateTime beginTime; //开始时间
+extern QDateTime endTime;   //结束时间
+extern QVector<QCustomPlot *> m_PlotView;   //custom图
+extern QVector<QString> rule;   //Y轴映射
+extern QVector<double> xData[4];    //X轴数据
+extern QVector<double> yData[4];    //Y轴数据
 
 
 #endif //READLOG_GLOBAL_H
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 0a59567..b360ff2 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -8,7 +8,7 @@
 
 
 MainWindow::MainWindow(QWidget *parent)
-        : QMainWindow(parent), ui(new Ui::MainWindow), readThread(new ReadThread), customTime(new CustomTimeThread) {
+        : QMainWindow(parent), ui(new Ui::MainWindow), readThread(new ReadThread), customTime(new CustomTime) {
     ui->setupUi(this);
     // 创建版本号标签并添加到状态栏的右端
     QLabel *m_versionLabel = new QLabel(tr("v1.2.0"), this);
@@ -21,15 +21,14 @@ MainWindow::MainWindow(QWidget *parent)
     connect(readThread, &ReadThread::clearCombo, this, &MainWindow::clearCombo);
     connect(readThread, &ReadThread::showStatusbar, this, &MainWindow::showStatusbar);
     connect(readThread, &ReadThread::setProgressBar, this, &MainWindow::setProgressBar);
-    connect(readThread, &ReadThread::setBeginTime, this, &MainWindow::setBeginTime);
-    connect(readThread, &ReadThread::setEndTime, this, &MainWindow::setEndTime);
+    connect(readThread, &ReadThread::setTime, this, &MainWindow::setTime);
     connect(readThread, &ReadThread::addCombo, this, &MainWindow::addCombo);
     connect(readThread, &ReadThread::closeProg, this, &MainWindow::closeProg);
 
     //customTime
-    connect(customTime, &CustomTimeThread::setProgressBar, this, &MainWindow::setProgressBar);
-    connect(customTime, &CustomTimeThread::setPlotView, this, &MainWindow::setPlotView);
-    connect(customTime, &CustomTimeThread::setWidget, this, &MainWindow::setWidget);
+    connect(customTime, &CustomTime::setProgressBar, this, &MainWindow::setProgressBar);
+    connect(customTime, &CustomTime::setPlotView, this, &MainWindow::setPlotView);
+    connect(customTime, &CustomTime::setWidget, this, &MainWindow::setWidget);
 
 }
 
@@ -62,20 +61,46 @@ void MainWindow::on_openFileBtn_clicked() {
 
 
 void MainWindow::on_timeCustomBtn_clicked() {
-    if (file.fileName().isEmpty()) {
-        QMessageBox::warning(this, "警告", "请先打开一个日志");
-        return;
+    //校验数据
+    if (!inspectionData()) { return; }
+
+    //传入数据绘图
+    customTime->setValue(jd, dataName);
+
+    // 获取文件大小
+    int fileSize = 0;
+    for (int i : jd) {
+        fileSize += g_param[i].size();
     }
 
+    //设置进度条
+    ui->progressBar->setValue(0);
+    ui->progressBar->setMaximum(fileSize);
+    ui->progressBar->show();
+
+    //运行线程
+    customTime->start();
+}
+
+
+void MainWindow::on_dataCustomBtn_clicked() {
+
+}
+
+bool MainWindow::inspectionData() {
     //关闭打开的窗口
     if (widget) {
         widget->close();
         delete widget;
         widget = nullptr;
     }
-
+    //判断是否已打开日志文件
+    if (file.fileName().isEmpty()) {
+        QMessageBox::warning(this, "警告", "请先打开一个日志");
+        return false;
+    }
     //获取基带id
-    QVector<int> jd;
+    jd.clear();
     if (ui->jd1->isChecked()) {
         jd.append(0);
     }
@@ -88,48 +113,30 @@ void MainWindow::on_timeCustomBtn_clicked() {
     if (ui->jd4->isChecked()) {
         jd.append(3);
     }
-
+    //判断基带是否为空
     if (jd.isEmpty()) {
         QMessageBox::warning(this, "警告", "请至少选择一个基带");
-        return;
+        return false;
     }
-
     //获取时间
     beginTime = ui->beginTimeEdit->dateTime();
     endTime = ui->endTimeEdit->dateTime();
+    //判断时间是否合法
     if (beginTime > endTime) {
         QMessageBox::warning(this, "警告", "请选择正确的时间段");
-        return;
+        return false;
     }
     //获取参数名
-    QString dataName = ui->comboBox->currentText();
+    dataName = ui->comboBox->currentText();
+    //判断参数名是否正确
     if (!namelist.keys().contains(dataName)) {
         QMessageBox::warning(this, "警告", "未找到该数据");
-        return;
+        return false;
     }
-
-    //传入数据绘图
-    customTime->setValue(jd, dataName);
+    //创建新窗口
     widget = new QWidget();
     widget->setWindowTitle(dataName);
-
-    // 获取文件大小
-    int fileSize = 0;
-    for (int i = 0; i < jd.size(); ++i) {
-        fileSize += g_param[jd[i]].size();
-    }
-
-    //设置进度条
-    ui->progressBar->setValue(0);
-    ui->progressBar->setMaximum(fileSize);
-    ui->progressBar->show();
-
-    customTime->start();
-}
-
-
-void MainWindow::on_dataCustomBtn_clicked() {
-
+    return true;
 }
 
 void MainWindow::clearCombo() {
@@ -144,11 +151,8 @@ void MainWindow::setProgressBar(int bytesRead) {
     ui->progressBar->setValue(bytesRead);
 }
 
-void MainWindow::setBeginTime(const QDateTime &beginTime) {
+void MainWindow::setTime() {
     ui->beginTimeEdit->setDateTime(beginTime);
-}
-
-void MainWindow::setEndTime(const QDateTime &endTime) {
     ui->endTimeEdit->setDateTime(endTime);
 }
 
@@ -167,6 +171,7 @@ void MainWindow::closeProg() {
 
 void MainWindow::setPlotView(int jd, bool isNum, bool isTime) {
     QCustomPlot *qCustomPlot = new QCustomPlot();
+
     //标题
     QCPTextElement *m_title;
     qCustomPlot->plotLayout()->insertRow(0);
@@ -200,12 +205,13 @@ void MainWindow::setPlotView(int jd, bool isNum, bool isTime) {
     qCustomPlot->addGraph();
     qCustomPlot->graph(0)->setData(xData[jd], yData[jd]);
 
-
     // 自动调整轴范围
     qCustomPlot->rescaleAxes();
 
+    //设置鼠标拖动和滚轮
     qCustomPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
 
+    //设置X轴范围
     if (!xData[jd].empty()) {
         qCustomPlot->xAxis->setRange(xData[jd].first(), xData[jd].last());
     }
diff --git a/mainwindow.h b/mainwindow.h
index 5ebe335..acb8220 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -33,6 +33,8 @@ private slots:
     /*绘制数据变化图*/
     void on_dataCustomBtn_clicked();
 
+    bool inspectionData();
+
     /*清空下拉框*/
     void clearCombo();
 
@@ -42,11 +44,8 @@ private slots:
     /*设置进度条进度*/
     void setProgressBar(int bytesRead);
 
-    /*设置开始时间*/
-    void setBeginTime(const QDateTime &beginTime);
-
-    /*设置结束时间*/
-    void setEndTime(const QDateTime &endTime);
+    /*设置时间*/
+    void setTime();
 
     /*设置下拉框*/
     void addCombo(const QStringList &names);
@@ -62,7 +61,9 @@ private slots:
 private:
     Ui::MainWindow *ui;
     ReadThread *readThread;
-    CustomTimeThread *customTime;
+    CustomTime *customTime;
+    QVector<int> jd;
+    QString dataName;
 };
 
 #endif // MAINWINDOW_H
diff --git a/readthread.cpp b/readthread.cpp
index ced7faf..52ff2bd 100644
--- a/readthread.cpp
+++ b/readthread.cpp
@@ -78,9 +78,9 @@ void ReadThread::run() {
             continue;
         }
 
-        //设置开始时间
+        //获取开始时间
         if (isBeginTime) {
-            emit setBeginTime(QDateTime::fromString(temtime, "yyyy-MM-dd hh:mm:ss:zzz"));
+            beginTime = QDateTime::fromString(temtime, "yyyy-MM-dd hh:mm:ss:zzz");
             isBeginTime = false;
         }
         temData.clear();
@@ -111,9 +111,11 @@ void ReadThread::run() {
         g_param[JD].append(temData);
 
     }
+    //获取结束时间
+    endTime = QDateTime::fromString(temData["时间"], "yyyy-MM-dd hh:mm:ss:zzz");
 
-    //设置结束时间
-    emit setEndTime(QDateTime::fromString(temData["时间"], "yyyy-MM-dd hh:mm:ss:zzz"));
+    //设置时间
+    emit setTime();
 
     //设置状态栏
     emit showStatusbar("打开成功：" + file.fileName());
diff --git a/readthread.h b/readthread.h
index b33fdf1..0730c22 100644
--- a/readthread.h
+++ b/readthread.h
@@ -23,9 +23,7 @@ signals:
 
     void setProgressBar(int bytesRead);
 
-    void setBeginTime(QDateTime beginTime);
-
-    void setEndTime(QDateTime beginTime);
+    void setTime();
 
     void addCombo(QStringList names);