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/Fishing2~/Map/Map.cs

@@ -0,0 +1,94 @@
+using System;
+using System.Collections.Generic;
+using Fantasy;
+using NBC;
+using Fantasy.Entitas;
+using Fantasy.Entitas.Interface;
+
+namespace NBF.Fishing2
+{
+    public class Map : Entity
+    {
+        public int MapId;
+
+        public string RoomCode;
+
+        /// <summary>
+        /// 自己的实体id
+        /// </summary>
+        public long SelfId;
+
+        /// <summary>
+        /// 好友房地图
+        /// </summary>
+        public bool IsRoomMap => !string.IsNullOrEmpty(RoomCode);
+
+        /// <summary>
+        /// 地图中的单位
+        /// </summary>
+        public Dictionary<long, MapUnit> Units = new Dictionary<long, MapUnit>();
+
+        /// <summary>
+        /// 自己的实体
+        /// </summary>
+        public MapUnit SelfMapUnit => GetUnit(SelfId);
+
+
+        #region System
+
+        public class MapDestroySystem : DestroySystem<Map>
+        {
+            protected override void Destroy(Map self)
+            {
+                self.MapId = 0;
+                self.SelfId = 0;
+                self.RoomCode = string.Empty;
+                self.Units.Clear();
+            }
+        }
+
+        #endregion
+
+        public MapUnit CreateMapUnit(MapUnitInfo unitInfo)
+        {
+            var mapUnit = Create<MapUnit>(Scene, unitInfo.Id, true, true);
+            mapUnit.SetUnitInfo(unitInfo);
+            Add(mapUnit);
+            return mapUnit;
+        }
+
+        /// <summary>
+        /// 获取一个单位
+        /// </summary>
+        /// <param name="self"></param>
+        /// <param name="id"></param>
+        /// <returns></returns>
+        public MapUnit GetUnit(long id)
+        {
+            return Units.GetValueOrDefault(id);
+        }
+
+        /// <summary>
+        /// 进入地图
+        /// </summary>
+        /// <param name="map"></param>
+        /// <param name="unit"></param>
+        /// <returns></returns>
+        public bool Add(MapUnit unit)
+        {
+            Units.Add(unit.Id, unit);
+            return true;
+        }
+
+        /// <summary>
+        /// 离开地图
+        /// </summary>
+        /// <param name="self"></param>
+        /// <param name="id"></param>
+        /// <returns></returns>
+        public bool Remove(long id)
+        {
+            return Units.Remove(id);
+        }
+    }
+}