添加了NLog日志，并且配置了写入数据库，修改了Notification通知不使用依赖注入，而是使用Message的方式

Message/NotificationMessage.cs

@@ -0,0 +1,15 @@
+using CommunityToolkit.Mvvm.Messaging.Messages;
+using PMSWPF.Enums;
+
+namespace PMSWPF.Message;
+
+public class NotificationMessage:ValueChangedMessage<string>
+{
+    public NotificationType Type { get; set; }
+    public bool IsGlobal { get; set; }
+    public NotificationMessage(string msg,NotificationType type=NotificationType.Info,bool isGlobal=false) : base(msg)
+    {
+        this.Type = type;
+        this.IsGlobal = isGlobal;
+    }
+}