fix bugs

src/classes/mutual_action/drive_away.py

@@ -23,6 +23,10 @@ class DriveAway(MutualAction):
 
     def _can_start(self, target: "Avatar") -> tuple[bool, str]:
         """驱赶无额外检查条件"""
+        # 必须在有效区域内才能驱赶（因为需要指定 MoveAwayFromRegion 的目标区域）
+        if self.avatar.tile.region is None:
+            return False, "荒野之中无法驱赶"
+            
         from src.classes.observe import is_within_observation
         if not is_within_observation(self.avatar, target):
             return False, "目标不在交互范围内"

src/classes/mutual_action/occupy.py

@@ -57,11 +57,10 @@ class Occupy(MutualAction):
     def start(self, region_name: str) -> Event:
         region, host, _ = self._get_region_and_host(region_name)
 
-        # 必须初始化开始时间
         self._start_month_stamp = self.world.month_stamp
 
-        target_name = host.name if host else "无主之地"
-        event_text = f"{self.avatar.name} 对 {target_name} 的 {self.avatar.tile.location_name} 发起抢夺"
+        region_display_name = region.name if region else self.avatar.tile.location_name
+        event_text = f"{self.avatar.name} 对 {host.name} 的 {region_display_name} 发起抢夺"
 
         rel_ids = [self.avatar.id]
         if host:

src/sim/simulator.py

@@ -87,7 +87,7 @@ class Simulator:
                             # 记录事件
                             event = Event(
                                 self.world.month_stamp,
-                                f"{avatar.name} 路过 {avatar.tile.location_name}，发现无主，将其占据。",
+                                f"{avatar.name} 路过 {region.name}，发现无主，将其占据。",
                                 related_avatars=[avatar.id]
                             )
                             avatar.add_event(event)