diff --git a/ChannelItem.cpp b/ChannelItem.cpp
index cc5e006..31517ab 100644
--- a/ChannelItem.cpp
+++ b/ChannelItem.cpp
@@ -35,8 +35,8 @@
     int size = phaseVector.at(index).size() - SettingConfig::getInstance().SKIP_HEADER;
     if (size < 0) size = 0;
     double ps = phaseData->channelBeforeDelay.at(index) * 1e12; // 显示ps数据
-    ui->rawValue->setText(QString::number(ps, 'f', 0) + "ps"); // 原始数据显示单位为ps
-    ui->channelValue->setText(QString::number(ps + channelDelay, 'f', 0) + "ps"); // 补偿值的单位也是ps, 补偿后也显示为ps
+    ui->rawValue->setText(QString::number(ps, 'f', 3) + "ps"); // 原始数据显示单位为ps
+    ui->channelValue->setText(QString::number(ps + channelDelay, 'f', 3) + "ps"); // 补偿值的单位也是ps, 补偿后也显示为ps
     ui->samplingOne->setText(QString::number(size));
     ui->samplingTen->setText(QString::number((int)size/10));
     ui->samplingHund->setText(QString::number((int)size/100));

diff --git a/ChannelItem.cpp b/ChannelItem.cpp
index cc5e006..31517ab 100644
--- a/ChannelItem.cpp
+++ b/ChannelItem.cpp
@@ -35,8 +35,8 @@
     int size = phaseVector.at(index).size() - SettingConfig::getInstance().SKIP_HEADER;
     if (size < 0) size = 0;
     double ps = phaseData->channelBeforeDelay.at(index) * 1e12; // 显示ps数据
-    ui->rawValue->setText(QString::number(ps, 'f', 0) + "ps"); // 原始数据显示单位为ps
-    ui->channelValue->setText(QString::number(ps + channelDelay, 'f', 0) + "ps"); // 补偿值的单位也是ps, 补偿后也显示为ps
+    ui->rawValue->setText(QString::number(ps, 'f', 3) + "ps"); // 原始数据显示单位为ps
+    ui->channelValue->setText(QString::number(ps + channelDelay, 'f', 3) + "ps"); // 补偿值的单位也是ps, 补偿后也显示为ps
     ui->samplingOne->setText(QString::number(size));
     ui->samplingTen->setText(QString::number((int)size/10));
     ui->samplingHund->setText(QString::number((int)size/100));
diff --git a/ChannelItem.ui b/ChannelItem.ui
index 77b6a14..ed4c515 100644
--- a/ChannelItem.ui
+++ b/ChannelItem.ui
@@ -542,9 +542,18 @@
     </item>
     <item>
      <widget class="QSpinBox" name="delay">
+      <property name="font">
+       <font>
+        <family>微软雅黑</family>
+        <pointsize>12</pointsize>
+       </font>
+      </property>
       <property name="suffix">
        <string>ps</string>
       </property>
+      <property name="minimum">
+       <number>-9999</number>
+      </property>
       <property name="maximum">
        <number>99999</number>
       </property>

diff --git a/ChannelItem.cpp b/ChannelItem.cpp
index cc5e006..31517ab 100644
--- a/ChannelItem.cpp
+++ b/ChannelItem.cpp
@@ -35,8 +35,8 @@
     int size = phaseVector.at(index).size() - SettingConfig::getInstance().SKIP_HEADER;
     if (size < 0) size = 0;
     double ps = phaseData->channelBeforeDelay.at(index) * 1e12; // 显示ps数据
-    ui->rawValue->setText(QString::number(ps, 'f', 0) + "ps"); // 原始数据显示单位为ps
-    ui->channelValue->setText(QString::number(ps + channelDelay, 'f', 0) + "ps"); // 补偿值的单位也是ps, 补偿后也显示为ps
+    ui->rawValue->setText(QString::number(ps, 'f', 3) + "ps"); // 原始数据显示单位为ps
+    ui->channelValue->setText(QString::number(ps + channelDelay, 'f', 3) + "ps"); // 补偿值的单位也是ps, 补偿后也显示为ps
     ui->samplingOne->setText(QString::number(size));
     ui->samplingTen->setText(QString::number((int)size/10));
     ui->samplingHund->setText(QString::number((int)size/100));
diff --git a/ChannelItem.ui b/ChannelItem.ui
index 77b6a14..ed4c515 100644
--- a/ChannelItem.ui
+++ b/ChannelItem.ui
@@ -542,9 +542,18 @@
     </item>
     <item>
      <widget class="QSpinBox" name="delay">
+      <property name="font">
+       <font>
+        <family>微软雅黑</family>
+        <pointsize>12</pointsize>
+       </font>
+      </property>
       <property name="suffix">
        <string>ps</string>
       </property>
+      <property name="minimum">
+       <number>-9999</number>
+      </property>
       <property name="maximum">
        <number>99999</number>
       </property>
diff --git a/PhaseDevice.cpp b/PhaseDevice.cpp
index 7c5e8a9..724e344 100644
--- a/PhaseDevice.cpp
+++ b/PhaseDevice.cpp
@@ -98,8 +98,8 @@
 
             QLogUtil::writeChannelDataLogByDate(phaseData->timestamp.mid(0, 10), chFilename, channelDataStr);
 
-            // 3.3 将补偿后的时差数据存入数据栈
-            phaseVector[i].append(phaseData->channelData.at(i));
+            // 3.3 将补偿前的时差数据存入数据栈, 用于计算allen方差
+            phaseVector[i].append(phaseData->channelBeforeDelay.at(i));
 
             // 3.4 分别计算不同时间维度的稳定度
             int size = phaseVector[i].size() - SettingConfig::getInstance().SKIP_HEADER;