diff --git a/HPPA/HPPA.cpp b/HPPA/HPPA.cpp
index 61d299f..f0be0cc 100644
--- a/HPPA/HPPA.cpp
+++ b/HPPA/HPPA.cpp
@@ -762,7 +762,8 @@ void HPPA::recordFromRobotArm(int fileCounter)
 
 	if (fileCounter - 1 == 0)
 	{
-		m_imageViewerTabWidget->clear();
+		//m_imageViewerTabWidget->clear();
+		removeAllLayersInRasterGroup();
 	}
 
 	onCreateTab("img");
@@ -1144,6 +1145,7 @@ void HPPA::onStartRecordStep1()
 		if (m_RecordState % 2 == 1)
 		{
 			//m_imageViewerTabWidget->clear();
+			removeAllLayersInRasterGroup();
 
 			m_Imager->setFileName2Save(imgPath);
 			m_Imager->setFrameNumber(this->frame_number->text().toInt());
@@ -1158,7 +1160,7 @@ void HPPA::onStartRecordStep1()
 			m_RecordState -= 1;
 
 			ui.action_start_recording->setText(QString::fromLocal8Bit("采集"));
-		 ui.mainToolBar->widgetForAction(ui.action_start_recording)->setStyleSheet("QWidget{background-color:rgb(0,255,0);}");
+			ui.mainToolBar->widgetForAction(ui.action_start_recording)->setStyleSheet("QWidget{background-color:rgb(0,255,0);}");
 		}
 		return;
 	}
@@ -1169,9 +1171,10 @@ void HPPA::onStartRecordStep1()
 		if (m_RecordState % 2 == 1)
 		{
 			//m_imageViewerTabWidget->clear();
+			removeAllLayersInRasterGroup();
 
 			ui.action_start_recording->setText(QString::fromLocal8Bit("停止采集"));
-		 ui.mainToolBar->widgetForAction(ui.action_start_recording)->setStyleSheet("QWidget{background-color:rgb(255,0,0);}");
+			ui.mainToolBar->widgetForAction(ui.action_start_recording)->setStyleSheet("QWidget{background-color:rgb(255,0,0);}");
 
 			//应该先控制马达运动，当马达运动后，再开始光谱仪采集（发射开始采集信号）
 			m_Imager->setFileName2Save(imgPath);
@@ -1185,7 +1188,7 @@ void HPPA::onStartRecordStep1()
 			m_RecordState -= 1;
 
 			ui.action_start_recording->setText(QString::fromLocal8Bit("采集"));
-		 ui.mainToolBar->widgetForAction(ui.action_start_recording)->setStyleSheet("QWidget{background-color:rgb(0,255,0);}");
+			ui.mainToolBar->widgetForAction(ui.action_start_recording)->setStyleSheet("QWidget{background-color:rgb(0,255,0);}");
 		}
 		return;
 	}
@@ -1196,6 +1199,7 @@ void HPPA::onStartRecordStep1()
 		if (m_RecordState % 2 == 1)
 		{
 			//m_imageViewerTabWidget->clear();
+			removeAllLayersInRasterGroup();
 
 			m_Imager->setFileName2Save(imgPath);
 			m_Imager->setFrameNumber(this->frame_number->text().toInt());
@@ -1204,16 +1208,16 @@ void HPPA::onStartRecordStep1()
 			m_tmc->run();
 
 			ui.action_start_recording->setText(QString::fromLocal8Bit("停止采集"));
-		 ui.mainToolBar->widgetForAction(ui.action_start_recording)->setStyleSheet("QWidget{background-color:rgb(255,0,0);}");
+			ui.mainToolBar->widgetForAction(ui.action_start_recording)->setStyleSheet("QWidget{background-color:rgb(255,0,0);}");
 		}
 		else
 		{
-		 m_tmc->stop();
+			 m_tmc->stop();
 
-		 m_RecordState--;
+			 m_RecordState--;
 
-		 ui.action_start_recording->setText(QString::fromLocal8Bit("采集"));
-		 ui.mainToolBar->widgetForAction(ui.action_start_recording)->setStyleSheet("QWidget{background-color:rgb(0,255,0);}");
+			 ui.action_start_recording->setText(QString::fromLocal8Bit("采集"));
+			 ui.mainToolBar->widgetForAction(ui.action_start_recording)->setStyleSheet("QWidget{background-color:rgb(0,255,0);}");
 		}
 
 		return;