结构大修改，改成朴实无华的结构，不过度架构。能跑就行

Assets/Scripts/Common/Net/Hotfix/System/SessionHelper.cs

@@ -0,0 +1,31 @@
+using System;
+using Fantasy;
+using Fantasy.Network;
+using NBC;
+
+namespace Assets.Scripts.Hotfix
+{
+    public static class SessionHelper
+    {
+        /// <summary>
+        /// 创建一个网络会话
+        /// </summary>
+        /// <param name="scene"></param>
+        /// <param name="address">远程服务器地址</param>
+        /// <param name="onConnectComplete">当连接成功执行的委托，可为空</param>
+        /// <param name="onConnectFail">当连接超时或失败执行的委托，可为空</param>
+        /// <param name="onConnectDisconnect">当连接断开执行的委托，可为空</param>
+        /// <returns></returns>
+        public static Session CreateSession(Scene scene, string address, Action onConnectComplete, Action onConnectFail,
+            Action onConnectDisconnect)
+        {
+            return scene.Connect(
+                address,
+                NetworkProtocolType.KCP,
+                onConnectComplete,
+                onConnectFail,
+                onConnectDisconnect,
+                false, 5000);
+        }
+    }
+}