diff --git a/SlnMesnac.WPF/ViewModel/IndexPage/ProductionLineViewModel.cs b/SlnMesnac.WPF/ViewModel/IndexPage/ProductionLineViewModel.cs
index c54957d..8c29704 100644
--- a/SlnMesnac.WPF/ViewModel/IndexPage/ProductionLineViewModel.cs
+++ b/SlnMesnac.WPF/ViewModel/IndexPage/ProductionLineViewModel.cs
@@ -94,6 +94,23 @@ namespace SlnMesnac.WPF.ViewModel.IndexPage
             }
         }
 
+        /// <summary>
+        /// RFID连接状态
+        /// </summary>
+        private string _rfidConnectState;
+        public string RFIDConnectState
+        {
+            get => _rfidConnectState;
+            set
+            {
+                if (_rfidConnectState != value)
+                {
+                    _rfidConnectState = value;
+                    RaisePropertyChanged(() => RFIDConnectState);
+                }
+            }
+        }
+
         public ProductionLineViewModel()
         {
             GetOrderInfoCommand = new RelayCommand<object>(t => RefreshData(t));
@@ -492,13 +509,13 @@ namespace SlnMesnac.WPF.ViewModel.IndexPage
                     if (value.AddSeconds(15) < DateTime.Now)
                     {
                         await Reconnect(device);
-                        Deviceinfo.FirstOrDefault(x => x.Deviceid == device.deviceid).IsOnline = "已连接";
+                        RFIDConnectState = "已连接";
                     }
                 }
                 else
                 {
                     await Reconnect(device);
-                    Deviceinfo.FirstOrDefault(x => x.Deviceid == device.deviceid).IsOnline = "已连接";
+                    RFIDConnectState = "已连接";
                     var res = false;
                     //无限获取心跳返回报文
                     Log.Information($"准备第一次获取心跳");
@@ -521,7 +538,7 @@ namespace SlnMesnac.WPF.ViewModel.IndexPage
             var res = false;
             do
             {
-                Deviceinfo.FirstOrDefault(x => x.Deviceid == device.deviceid).IsOnline = "未连接";
+                RFIDConnectState = "未连接";
                 Log.Information($"[{device.deviceid}]:[{device.ip}:{device.port}]连接中...");
                 res = await device.ConnectAsync(device.ip, device.port, device.deviceid);
             }