diff --git a/app/HGProductionTool/form_maininterface.cpp b/app/HGProductionTool/form_maininterface.cpp
index 1945a08..68ffe98 100644
--- a/app/HGProductionTool/form_maininterface.cpp
+++ b/app/HGProductionTool/form_maininterface.cpp
@@ -68,7 +68,12 @@ Form_mainInterface::Form_mainInterface(class MainWindow *mainwnd, const QString
         func_test_uninit(NULL);
         func_test_init(NULL, m_hg);
     }
-    ui->label_devInfo->setText(tr("Device type:") + m_devType + tr("  SerialNum:") + m_serialNum +  "  " + tr("FirmwareNum:") + m_devFwNum);
+    QString mainDevInfo;
+    mainDevInfo.append(tr("Device type:") + m_devType);
+    mainDevInfo.append(tr("  SerialNum:") + m_serialNum);
+    mainDevInfo.append("  " + tr("FirmwareNum:") + m_devFwNum);
+    mainDevInfo.append("  " + tr("Motor version:") + getDevMotorVersion());
+    ui->label_devInfo->setText(mainDevInfo);
 
     ui->label_speedMode->setText(tr("  speed mode:") + getSpeedMode());
     ui->label_sleepTime->setText(tr("  sleep time:") + getSleepTime());
@@ -946,8 +951,7 @@ void Form_mainInterface::on_tableWidget_currentItemChanged(QTableWidgetItem *cur
         if (name.toStdWString() == HGPDTTOOLDB_NAME_GET_SN)
         {
             QString snStr(tr("device serial number:") + getDevSn());
-            QString motorStr =(tr("Motor version:") + getDevMotorVersion());
-            m_textTips->setViewContent(snStr + "\n\n" + motorStr);
+            m_textTips->setViewContent(snStr);
         }
     }
 }