diff --git a/UI/AreaTabWidget.py b/UI/AreaTabWidget.py
index f725b74..0d4025c 100644
--- a/UI/AreaTabWidget.py
+++ b/UI/AreaTabWidget.py
@@ -282,7 +282,6 @@ class AreaWidget(QWidget):
                     
             elif dataType in ['AI','AO']:
                 self.okBtn.setText('确定')
-                # self.dataTypeCombox.setEnabled(True)
                 self.orderCombox.setEnabled(True)
                 self.byteLineEdit.setEnabled(True)
                 self.okBtnValue = True
diff --git a/UI/DeviceDialogWidget.py b/UI/DeviceDialogWidget.py
index 7533ce6..0b7387d 100644
--- a/UI/DeviceDialogWidget.py
+++ b/UI/DeviceDialogWidget.py
@@ -14,7 +14,21 @@ class DeviceDialog(QDialog):
         deviceName = QLineEdit()
         deviceName.setObjectName('deviceName')
  
+        
+
+        pvUpperLimit = QLineEdit()
+        pvUpperLimit.setObjectName('pvUpperLimit')
+
+        pvLowerLimit = QLineEdit()
+        pvLowerLimit.setObjectName('pvLowerLimit')
+
+        pvUnit = QLineEdit()
+        pvUnit.setObjectName('pvUnit')
+
         layout.addRow("设备名:", deviceName)
+        layout.addRow("量程上限:", pvUpperLimit)
+        layout.addRow("量程下限:", pvLowerLimit)
+        layout.addRow("单位:", pvUnit)
 
         button_box = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
         ok_button = button_box.button(QDialogButtonBox.Ok)
@@ -35,11 +49,22 @@ class DeviceDialog(QDialog):
 
     def getParameters(self):
         deviceName = self.findChild(QLineEdit, "deviceName").text()
-        return deviceName
+        pvUpperLimit = self.findChild(QLineEdit, "pvUpperLimit").text()
+        pvLowerLimit = self.findChild(QLineEdit, "pvLowerLimit").text()
+        pvUnit = self.findChild(QLineEdit, "pvUnit").text()
+        return deviceName,  pvUpperLimit, pvLowerLimit, pvUnit
 
     def check_input(self):
-        deviceName  = self.getParameters()
-        if not deviceName:
-            QMessageBox.warning(self, '警告', '请输入设备名')
+        deviceName, pvUpperLimit, pvLowerLimit, pvUnit = self.getParameters()
+
+        if not pvUpperLimit or not pvLowerLimit or not pvUnit or not deviceName:
+            QMessageBox.warning(self, '警告', '有值未输入。')
+            return
+        elif not re.match(r'^[-+]?\d*\.?\d*$', pvUpperLimit) or not re.match(r'^[-+]?\d*\.?\d*$', pvLowerLimit):
+            QMessageBox.warning(self, '警告', '请输入数字。')
+            return
+        elif pvUpperLimit < pvLowerLimit:
+            QMessageBox.warning(self, '警告', '量程输入有误。')
+            return
         else:
-            self.accept()  # 所有输入都是数字且不为空时接受对话框
\ No newline at end of file
+            self.accept() # 所有输入都是数字且不为空时接受对话框
\ No newline at end of file