diff --git a/UI/VarManages/AnalogModel.py b/UI/VarManages/AnalogModel.py
index 9f489c7..91261cc 100644
--- a/UI/VarManages/AnalogModel.py
+++ b/UI/VarManages/AnalogModel.py
@@ -159,9 +159,16 @@ class AnalogButtonDelegate(TcRtdButtonDelegate):
         sender = self.sender()
         model = self.parent().model
         value = model.datas[sender.index[0]][1]
+        varType = model.datas[sender.index[0]][6]
         min = model.datas[sender.index[0]][7]
         max = model.datas[sender.index[0]][8]
         pattern = re.compile(r'[^0-9\.-]+')
+        if varType in ['AI', 'DI']:
+            reply = QMessageBox.question(self.parent(),
+                                         '警告',
+                                         "AI,DI类型变量不允许强制值",
+                                         QMessageBox.Yes)
+            return
         if not value or re.findall(pattern, str(value)):
             reply = QMessageBox.question(self.parent(),
                                          '警告',