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

Data/Entities/DbMqtt.cs

@@ -2,7 +2,7 @@
 
 namespace PMSWPF.Data.Entities;
 
-[SugarTable("Mqtt")]
+
 public class DbMqtt
 {
     [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]//数据库是自增才配自增 

Data/Entities/DbNlog.cs

@@ -0,0 +1,32 @@
+using SqlSugar;
+
+namespace PMSWPF.Data.Entities;
+
+[SugarTable("nlog")]
+public class DbNlog
+{
+    // INSERT INTO [dbo].[NLog] (
+    // [Application], [Logged], [Level], [ThreadID],[Message],
+    // [Logger], [Callsite], [Exception], [Url], [Action], [User]
+    // ) VALUES (
+    //     @Application, @Logged, @Level,@ThreadID, @Message,
+    //     @Logger, @Callsite, @Exception, @Url, @Action, @User
+    // )
+    [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]//数据库是自增才配自增 
+    public int Id { get; set; }
+    public DateTime LogTime { get; set; }
+    public string Level { get; set; }
+    public int ThreadID { get; set; }
+    [SugarColumn(IsNullable = true)]
+    public string ThreadName { get; set; }
+    public string Logger { get; set; }
+    public string Callsite { get; set; }
+    public int CallsiteLineNumber { get; set; }
+    public string Message { get; set; }
+    [SugarColumn(IsNullable = true,ColumnDataType = "text")]
+    public string Exception { get; set; }
+
+    
+    
+    
+}