添加项目文件。

SimpleAdmin.MessageCenter/Program.cs

@@ -0,0 +1,19 @@
+try
+{
+    Console.Title = "SimpleAdmin消息中心服务";
+}
+catch
+{
+    // ignored
+}//注册服务会报错所以要catch
+Serve.Run(GenericRunOptions.Default
+        .ConfigureBuilder(hostBuilder =>
+        {
+            hostBuilder.UseWindowsService();//支持注册成服务
+            hostBuilder.ConfigureServices((hostContext, services) =>
+            {
+                services.AddMqttClientManager();//mqtt
+            });
+            return hostBuilder;
+        })
+    );