diff --git a/src/classes/history.py b/src/classes/history.py
index 5c0bfc4..e407344 100644
--- a/src/classes/history.py
+++ b/src/classes/history.py
@@ -1,6 +1,6 @@
 import asyncio
 import logging
-from dataclasses import dataclass
+from dataclasses import dataclass, field
 from pathlib import Path
 from typing import Dict, Any, Optional, Callable, TYPE_CHECKING, Coroutine
 
@@ -14,6 +14,11 @@ from src.run.log import get_logger
 if TYPE_CHECKING:
     from src.classes.world import World
 
+@dataclass
+class History:
+    text: str = ""
+    modifications: dict = field(default_factory=dict)
+
 class HistoryManager:
     """
     历史管理器
@@ -142,7 +147,7 @@ class HistoryManager:
                 sect = sects_by_id.get(sid)
                 if sect:
                     old_name = sect.name
-                    self._update_obj_attrs(sect, data)
+                    self._update_obj_attrs(sect, data, "sects", sid_str)
                     
                     # 同步 sects_by_name 索引
                     if sect.name != old_name:
@@ -161,8 +166,8 @@ class HistoryManager:
     def _apply_item_changes(self, result: Dict[str, Any]):
         """处理物品/功法变更"""
         self._update_techniques(result.get("techniques_change", {}))
-        self._update_items(result.get("weapons_change", {}), weapons_by_name)
-        self._update_items(result.get("auxiliarys_change", {}), None)
+        self._update_items(result.get("weapons_change", {}), weapons_by_name, "weapons")
+        self._update_items(result.get("auxiliarys_change", {}), None, "auxiliaries")
 
     # --- Update Logic ---
 
@@ -177,7 +182,7 @@ class HistoryManager:
                 if self.world and self.world.map:
                     region = self.world.map.regions.get(rid)
                     if region:
-                        self._update_obj_attrs(region, data)
+                        self._update_obj_attrs(region, data, "regions", rid_str)
                         self.logger.info(f"[History] 区域变更 - ID: {rid}, Name: {region.name}, Desc: {region.desc}")
                         count += 1
             except Exception as e:
@@ -197,7 +202,7 @@ class HistoryManager:
                 tech = techniques_by_id.get(tid)
                 if tech:
                     old_name = tech.name
-                    self._update_obj_attrs(tech, data)
+                    self._update_obj_attrs(tech, data, "techniques", tid_str)
                     
                     if tech.name != old_name:
                         if old_name in techniques_by_name:
@@ -212,7 +217,7 @@ class HistoryManager:
         if count > 0:
             self.logger.info(f"[History] 更新了 {count} 本功法")
 
-    def _update_items(self, changes: Dict[str, Any], by_name_index: Optional[Dict[str, Any]]):
+    def _update_items(self, changes: Dict[str, Any], by_name_index: Optional[Dict[str, Any]], category: str):
         """更新物品 (ItemRegistry)"""
         if not changes: return
 
@@ -223,7 +228,7 @@ class HistoryManager:
                 item = ItemRegistry.get(iid)
                 if item:
                     old_name = item.name
-                    self._update_obj_attrs(item, data)
+                    self._update_obj_attrs(item, data, category, iid_str)
                     
                     if by_name_index is not None and item.name != old_name:
                         if old_name in by_name_index:
@@ -238,12 +243,25 @@ class HistoryManager:
         if count > 0:
             self.logger.info(f"[History] 更新了 {count} 件装备")
 
-    def _update_obj_attrs(self, obj: Any, data: Dict[str, Any]):
-        """通用属性更新 helper"""
+    def _update_obj_attrs(self, obj: Any, data: Dict[str, Any], category: str = None, id_str: str = None):
+        """通用属性更新 helper，并记录差分"""
+        
+        recorded_changes = {}
+        
         if "name" in data and data["name"]:
-            obj.name = str(data["name"])
+            val = str(data["name"])
+            obj.name = val
+            recorded_changes["name"] = val
+            
         if "desc" in data and data["desc"]:
-            obj.desc = str(data["desc"])
+            val = str(data["desc"])
+            obj.desc = val
+            recorded_changes["desc"] = val
+
+        # 记录差分到 World
+        if category and id_str and recorded_changes and self.world:
+            self.world.record_modification(category, id_str, recorded_changes)
+
 
 if __name__ == "__main__":
     # 模拟运行
diff --git a/src/classes/world.py b/src/classes/world.py
index 300c1ac..b68afbb 100644
--- a/src/classes/world.py
+++ b/src/classes/world.py
@@ -8,6 +8,7 @@ from src.classes.avatar_manager import AvatarManager
 from src.classes.event_manager import EventManager
 from src.classes.circulation import CirculationManager
 from src.classes.gathering.gathering import GatheringManager
+from src.classes.history import History
 
 if TYPE_CHECKING:
     from src.classes.avatar import Avatar
@@ -29,8 +30,8 @@ class World():
     circulation: CirculationManager = field(default_factory=CirculationManager)
     # Gathering 管理器
     gathering_manager: GatheringManager = field(default_factory=GatheringManager)
-    # 世界历史文本
-    history: str = ""
+    # 世界历史
+    history: "History" = field(default_factory=lambda: History())
 
     def get_info(self, detailed: bool = False, avatar: Optional["Avatar"] = None) -> dict:
         """
@@ -54,7 +55,25 @@ class World():
 
     def set_history(self, history_text: str):
         """设置世界历史文本"""
-        self.history = history_text
+        self.history.text = history_text
+        
+    def record_modification(self, category: str, id_str: str, changes: dict):
+        """
+        记录历史修改差分
+        
+        Args:
+            category: 修改类别 (sects, regions, techniques, weapons, auxiliaries)
+            id_str: 对象 ID 字符串
+            changes: 修改的属性字典
+        """
+        if category not in self.history.modifications:
+            self.history.modifications[category] = {}
+            
+        if id_str not in self.history.modifications[category]:
+            self.history.modifications[category][id_str] = {}
+            
+        # 累加修改（后来的覆盖前面的）
+        self.history.modifications[category][id_str].update(changes)
 
     @property
     def static_info(self) -> dict:
@@ -75,8 +94,8 @@ class World():
             "购物": "在城市区域可以购买练气级别丹药、兵器。购买丹药后会立刻服用强化自身。购买兵器可以帮自己切换兵器类型为顺手的类型。",
             "拍卖会": "每隔一段不确定的时间会有神秘人组织的拍卖会，或许有好货出售。"
         }
-        if self.history:
-            desc["历史"] = self.history
+        if self.history.text:
+            desc["历史"] = self.history.text
         return desc
 
     @classmethod
diff --git a/src/server/main.py b/src/server/main.py
index 774d180..8040895 100644
--- a/src/server/main.py
+++ b/src/server/main.py
@@ -6,6 +6,8 @@ import subprocess
 import time
 import threading
 import signal
+import random
+from omegaconf import OmegaConf
 from contextlib import asynccontextmanager
 
 from typing import List, Optional
@@ -39,8 +41,6 @@ from src.classes.long_term_objective import set_user_long_term_objective, clear_
 from src.sim.save.save_game import save_game, list_saves
 from src.sim.load.load_game import load_game
 from src.utils import protagonist as prot_utils
-import random
-from omegaconf import OmegaConf
 from src.utils.llm.client import test_connectivity
 from src.utils.llm.config import LLMConfig, LLMMode
 from src.run.data_loader import reload_all_static_data
diff --git a/src/sim/load/load_game.py b/src/sim/load/load_game.py
index 63e4f78..f2d5cdb 100644
--- a/src/sim/load/load_game.py
+++ b/src/sim/load/load_game.py
@@ -41,6 +41,103 @@ from src.classes.relation import Relation
 from src.utils.config import CONFIG
 
 
+def apply_history_modifications(world, modifications):
+    """
+    回放历史修改记录，恢复世界状态
+    """
+    if not modifications:
+        return
+        
+    print(f"正在回放历史差分 ({len(modifications)} 个分类)...")
+    
+    # 导入需要修改的对象容器
+    from src.classes.sect import sects_by_id, sects_by_name
+    from src.classes.technique import techniques_by_id, techniques_by_name
+    from src.classes.item_registry import ItemRegistry
+    
+    # 1. 宗门修改
+    sects_mod = modifications.get("sects", {})
+    for sid_str, changes in sects_mod.items():
+        try:
+            sid = int(sid_str)
+            sect = sects_by_id.get(sid)
+            if sect:
+                old_name = sect.name
+                # 应用修改
+                if "name" in changes: sect.name = changes["name"]
+                if "desc" in changes: sect.desc = changes["desc"]
+                # 同步索引
+                if sect.name != old_name:
+                    if old_name in sects_by_name: del sects_by_name[old_name]
+                    sects_by_name[sect.name] = sect
+        except Exception:
+            pass
+
+    # 2. 区域修改
+    regions_mod = modifications.get("regions", {})
+    for rid_str, changes in regions_mod.items():
+        try:
+            rid = int(rid_str)
+            region = world.map.regions.get(rid)
+            if region:
+                if "name" in changes: region.name = changes["name"]
+                if "desc" in changes: region.desc = changes["desc"]
+        except Exception:
+            pass
+
+    # 3. 功法修改
+    techniques_mod = modifications.get("techniques", {})
+    for tid_str, changes in techniques_mod.items():
+        try:
+            tid = int(tid_str)
+            tech = techniques_by_id.get(tid)
+            if tech:
+                old_name = tech.name
+                if "name" in changes: tech.name = changes["name"]
+                if "desc" in changes: tech.desc = changes["desc"]
+                if tech.name != old_name:
+                    if old_name in techniques_by_name: del techniques_by_name[old_name]
+                    techniques_by_name[tech.name] = tech
+        except Exception:
+            pass
+
+    # 4. 武器修改 (通过 ItemRegistry)
+    weapons_mod = modifications.get("weapons", {})
+    from src.classes.weapon import weapons_by_name
+    for iid_str, changes in weapons_mod.items():
+        try:
+            iid = int(iid_str)
+            item = ItemRegistry.get(iid)
+            if item:
+                old_name = item.name
+                if "name" in changes: item.name = changes["name"]
+                if "desc" in changes: item.desc = changes["desc"]
+                if item.name != old_name:
+                    if old_name in weapons_by_name: del weapons_by_name[old_name]
+                    weapons_by_name[item.name] = item
+        except Exception:
+            pass
+
+    # 5. 辅助装备修改 (通过 ItemRegistry)
+    aux_mod = modifications.get("auxiliaries", {})
+    from src.classes.auxiliary import auxiliaries_by_name
+    for iid_str, changes in aux_mod.items():
+        try:
+            iid = int(iid_str)
+            item = ItemRegistry.get(iid)
+            if item:
+                old_name = item.name
+                if "name" in changes: item.name = changes["name"]
+                if "desc" in changes: item.desc = changes["desc"]
+                if item.name != old_name:
+                    if old_name in auxiliaries_by_name: del auxiliaries_by_name[old_name]
+                    auxiliaries_by_name[item.name] = item
+        except Exception:
+            pass
+            
+    print("历史差分回放完成。")
+
+
 def get_events_db_path(save_path: Path) -> Path:
     """
     根据存档路径计算事件数据库路径。
@@ -109,9 +206,13 @@ def load_game(save_path: Optional[Path] = None) -> Tuple["World", "Simulator", L
         )
         
         # 恢复世界历史
-        history = world_data.get("history", "")
-        if history:
-            world.set_history(history)
+        history_data = world_data.get("history", {})
+        world.history.text = history_data.get("text", "")
+        world.history.modifications = history_data.get("modifications", {})
+            
+        # 恢复并回放历史修改记录（关键修复：在加载角色前还原规则）
+        if world.history.modifications:
+            apply_history_modifications(world, world.history.modifications)
         
         # 重建天地灵机
         from src.classes.celestial_phenomenon import celestial_phenomena_by_id
diff --git a/src/sim/save/save_game.py b/src/sim/save/save_game.py
index 381960c..8e26fcc 100644
--- a/src/sim/save/save_game.py
+++ b/src/sim/save/save_game.py
@@ -123,7 +123,10 @@ def save_game(
             # 出世物品流转
             "circulation": world.circulation.to_save_dict(),
             # 世界历史
-            "history": world.history,
+            "history": {
+                "text": world.history.text,
+                "modifications": world.history.modifications
+            },
         }
         
         # 保存所有Avatar（第一阶段：不含relations）