diff --git a/CounterRealTime/CounterSettingForm.cpp b/CounterRealTime/CounterSettingForm.cpp
index 2dedd0c..c1945d1 100644
--- a/CounterRealTime/CounterSettingForm.cpp
+++ b/CounterRealTime/CounterSettingForm.cpp
@@ -502,8 +502,9 @@
             connect(clockListLeft.at(index), &QLineEditDblClick::doubleClicked, this, &CounterSettingForm::onClockNumDoubleClicked);
         } else {
             disconnect(clockListLeft.at(index), &QLineEditDblClick::doubleClicked, this, &CounterSettingForm::onClockNumDoubleClicked);
-            clockListLeft.at(index)->setText("-");
-            delayListLeft.at(index)->setValue(0.0);
+            ui->selectClockNum->hide();
+            // clockListLeft.at(index)->setText("-");
+            // delayListLeft.at(index)->setValue(0.0);
         }
     } else if (index >= 8 && index < 16) {
         clockListRight.at(index - 8)->setReadOnly(!enable);
@@ -512,8 +513,9 @@
             connect(clockListRight.at(index - 8), &QLineEditDblClick::doubleClicked, this, &CounterSettingForm::onClockNumDoubleClicked);
         } else {
             disconnect(clockListRight.at(index - 8), &QLineEditDblClick::doubleClicked, this, &CounterSettingForm::onClockNumDoubleClicked);
-            clockListRight.at(index - 8)->setText("-");
-            delayListRight.at(index - 8)->setValue(0.0);
+            ui->selectClockNum->hide();
+            // clockListRight.at(index - 8)->setText("-");
+            // delayListRight.at(index - 8)->setValue(0.0);
         }
     }
 }

diff --git a/CounterRealTime/CounterSettingForm.cpp b/CounterRealTime/CounterSettingForm.cpp
index 2dedd0c..c1945d1 100644
--- a/CounterRealTime/CounterSettingForm.cpp
+++ b/CounterRealTime/CounterSettingForm.cpp
@@ -502,8 +502,9 @@
             connect(clockListLeft.at(index), &QLineEditDblClick::doubleClicked, this, &CounterSettingForm::onClockNumDoubleClicked);
         } else {
             disconnect(clockListLeft.at(index), &QLineEditDblClick::doubleClicked, this, &CounterSettingForm::onClockNumDoubleClicked);
-            clockListLeft.at(index)->setText("-");
-            delayListLeft.at(index)->setValue(0.0);
+            ui->selectClockNum->hide();
+            // clockListLeft.at(index)->setText("-");
+            // delayListLeft.at(index)->setValue(0.0);
         }
     } else if (index >= 8 && index < 16) {
         clockListRight.at(index - 8)->setReadOnly(!enable);
@@ -512,8 +513,9 @@
             connect(clockListRight.at(index - 8), &QLineEditDblClick::doubleClicked, this, &CounterSettingForm::onClockNumDoubleClicked);
         } else {
             disconnect(clockListRight.at(index - 8), &QLineEditDblClick::doubleClicked, this, &CounterSettingForm::onClockNumDoubleClicked);
-            clockListRight.at(index - 8)->setText("-");
-            delayListRight.at(index - 8)->setValue(0.0);
+            ui->selectClockNum->hide();
+            // clockListRight.at(index - 8)->setText("-");
+            // delayListRight.at(index - 8)->setValue(0.0);
         }
     }
 }
diff --git a/CounterRealTime/CounterWindowRT.cpp b/CounterRealTime/CounterWindowRT.cpp
index 24ebb24..fedb76a 100644
--- a/CounterRealTime/CounterWindowRT.cpp
+++ b/CounterRealTime/CounterWindowRT.cpp
@@ -246,6 +246,11 @@
     QJsonObject response = httpReq->getChannelList(deviceId);
     if (response.value("code").toInt() == 200)
     {
+        //
+        for (int i = 0; i <= 16; i++) {
+            ConstCache::getInstance().channelMap.remove(QString("%1-%2").arg(deviceId).arg(i));
+        }
+
         // 将通道绘制在界面上
         QJsonArray channelArray = response.value("data").toArray();
         for (int i = 0; i < channelArray.size(); i++)
@@ -483,7 +488,6 @@
             int channelIdx = devIdx * 16 + i;
 
             // 没有测量值的通道清空
-            channelNameList.at(channelIdx)->setText(QString("CH%1：%2").arg(channelNoStr).arg("-"));
             channelValueList.at(channelIdx)->setText("");
 
             // 当通道启用时显示通道离线 不再判断后台传回来的状态
@@ -491,9 +495,13 @@
             if (channel != nullptr && channel->isActive() == true) {
                 channelNameList.at(channelIdx)->setStyleSheet(ConstCache::getInstance().qssConstMap.value("channelOffline"));
                 channelValueList.at(channelIdx)->setStyleSheet(ConstCache::getInstance().qssConstMap.value("channelOffline"));
+
+                channelNameList.at(channelIdx)->setText(QString("CH%1：%2").arg(channelNoStr).arg(channel->getChannelCode()));
             } else {
                 channelNameList.at(channelIdx)->setStyleSheet(ConstCache::getInstance().qssConstMap.value(channelNameList.at(channelIdx)->property("labType").toString()));
                 channelValueList.at(channelIdx)->setStyleSheet(ConstCache::getInstance().qssConstMap.value(channelValueList.at(channelIdx)->property("labType").toString()));
+
+                channelNameList.at(channelIdx)->setText(QString("CH%1：%2").arg(channelNoStr).arg("-"));
             }
         }
     }