diff --git a/ChannelCharts.cpp b/ChannelCharts.cpp
index 6d713e3..2b905a3 100644
--- a/ChannelCharts.cpp
+++ b/ChannelCharts.cpp
@@ -3,6 +3,7 @@
 
 #include <iostream>
 #include "IconHelper.h"
+#include "common/utils/SettingConfig.h"
 
 extern QVector<QVector<QStringList>> phaseVector;
 extern QVector<QVector<double>> channelAllan;
@@ -74,15 +75,15 @@
     ui->dataPlot->yAxis->grid()->setPen(QPen(QColor(130, 130, 130), 0, Qt::SolidLine));
     ui->dataPlot->yAxis->grid()->setSubGridPen(QPen(QColor(130, 130, 130), 0, Qt::DotLine));
 
-    if (phaseVector[index].isEmpty() == false)
+    if (phaseVector[index].size() > SettingConfig::getInstance().SKIP_HEADER)
     {
-        double minTm = phaseVector[index].first().at(0).toLongLong() / 1000;
+        double minTm = phaseVector[index].at(SettingConfig::getInstance().SKIP_HEADER).at(0).toLongLong() / 1000;
         double maxTm = phaseVector[index].last().at(0).toLongLong() / 1000;
-        double minValue = phaseVector[index].first().at(1).toDouble();
-        double maxValue = phaseVector[index].first().at(1).toDouble();
+        double minValue = phaseVector[index].at(SettingConfig::getInstance().SKIP_HEADER).at(1).toDouble();
+        double maxValue = phaseVector[index].at(SettingConfig::getInstance().SKIP_HEADER).at(1).toDouble();
         QVector<QCPGraphData> vecPoints;
 
-        for (int i = 0; i < phaseVector[index].size(); i++)
+        for (int i = SettingConfig::getInstance().SKIP_HEADER; i < phaseVector[index].size(); i++)
         {
             // 新的数据点
             QCPGraphData onePoint;

diff --git a/ChannelCharts.cpp b/ChannelCharts.cpp
index 6d713e3..2b905a3 100644
--- a/ChannelCharts.cpp
+++ b/ChannelCharts.cpp
@@ -3,6 +3,7 @@
 
 #include <iostream>
 #include "IconHelper.h"
+#include "common/utils/SettingConfig.h"
 
 extern QVector<QVector<QStringList>> phaseVector;
 extern QVector<QVector<double>> channelAllan;
@@ -74,15 +75,15 @@
     ui->dataPlot->yAxis->grid()->setPen(QPen(QColor(130, 130, 130), 0, Qt::SolidLine));
     ui->dataPlot->yAxis->grid()->setSubGridPen(QPen(QColor(130, 130, 130), 0, Qt::DotLine));
 
-    if (phaseVector[index].isEmpty() == false)
+    if (phaseVector[index].size() > SettingConfig::getInstance().SKIP_HEADER)
     {
-        double minTm = phaseVector[index].first().at(0).toLongLong() / 1000;
+        double minTm = phaseVector[index].at(SettingConfig::getInstance().SKIP_HEADER).at(0).toLongLong() / 1000;
         double maxTm = phaseVector[index].last().at(0).toLongLong() / 1000;
-        double minValue = phaseVector[index].first().at(1).toDouble();
-        double maxValue = phaseVector[index].first().at(1).toDouble();
+        double minValue = phaseVector[index].at(SettingConfig::getInstance().SKIP_HEADER).at(1).toDouble();
+        double maxValue = phaseVector[index].at(SettingConfig::getInstance().SKIP_HEADER).at(1).toDouble();
         QVector<QCPGraphData> vecPoints;
 
-        for (int i = 0; i < phaseVector[index].size(); i++)
+        for (int i = SettingConfig::getInstance().SKIP_HEADER; i < phaseVector[index].size(); i++)
         {
             // 新的数据点
             QCPGraphData onePoint;
diff --git a/PhaseDevice.cpp b/PhaseDevice.cpp
index 0db4c72..fa8ebd7 100644
--- a/PhaseDevice.cpp
+++ b/PhaseDevice.cpp
@@ -116,7 +116,7 @@
 
             // 3.3 将补偿前的时差数据存入数据栈, 用于计算allen方差
             QStringList valueList;
-            valueList << QString::number(phaseData->milisecond) << QString::number(phaseData->channelBeforeDelay.at(i), 'e', 4);
+            valueList << QString::number(phaseData->milisecond) << QString::number(phaseData->channelBeforeDelay.at(i), 'e', 6);
             QMutex mutex;
             mutex.lock();
             phaseVector[i].append(valueList);