diff --git a/Txgy.FilesWatcher/ViewModels/MainViewModel.cs b/Txgy.FilesWatcher/ViewModels/MainViewModel.cs
index c5f96d6..68e4fbd 100644
--- a/Txgy.FilesWatcher/ViewModels/MainViewModel.cs
+++ b/Txgy.FilesWatcher/ViewModels/MainViewModel.cs
@@ -334,28 +334,33 @@ namespace Txgy.FilesWatcher.ViewModels
             DateTime lastWriteTime = File.GetLastWriteTime(e.FullPath);
             watcher.EnableRaisingEvents = false;
             Debug.WriteLine($"最后修改时间：{lastWriteTime}");
-            string lastLine = File.ReadAllLines(e.FullPath).Last();
-            System.Windows.Application.Current.Dispatcher.BeginInvoke(new Action(() =>
+            string lastLine = File.ReadAllLines(e.FullPath).Last().Trim();
+            var str=  dataList.Where(f => f.Data == lastLine).FirstOrDefault();
+            if (!string.IsNullOrWhiteSpace(lastLine)
+                && str==null)
             {
-                DataList.Add(new WatcherFileModel
+                System.Windows.Application.Current.Dispatcher.BeginInvoke(new Action(() =>
                 {
-                    CreateTime = DateTime.Now.ToString(),
-                    ChangeType = e.ChangeType,
-                    Name = e.Name,
-                    FullPath = e.FullPath,
-                    Data = lastLine,
-                    IsSend = false
-                });
-
-                CSDevicePublish cSDevicePublish = new CSDevicePublish()
-                {
-                    type = CSMessage.publish,
-                    message = lastLine,
-                    serialNumber = DataList.Count,
-                };
-                string jsonStr = JsonSerializer.Serialize(cSDevicePublish);
-                _websocketClient.SendMes(jsonStr);
-            }));
+                    DataList.Add(new WatcherFileModel
+                    {
+                        CreateTime = DateTime.Now.ToString(),
+                        ChangeType = e.ChangeType,
+                        Name = e.Name,
+                        FullPath = e.FullPath,
+                        Data = lastLine,
+                        IsSend = false
+                    });
+
+                    CSDevicePublish cSDevicePublish = new CSDevicePublish()
+                    {
+                        type = CSMessage.publish,
+                        message = lastLine,
+                        serialNumber = DataList.Count,
+                    };
+                    string jsonStr = JsonSerializer.Serialize(cSDevicePublish);
+                    _websocketClient.SendMes(jsonStr);
+                }));
+            }
             watcher.EnableRaisingEvents = true;
         }