diff --git a/src/classes/action.py b/src/classes/action.py
index cffe7d1..5b70ebc 100644
--- a/src/classes/action.py
+++ b/src/classes/action.py
@@ -249,7 +249,7 @@ class MoveToAvatar(DefineAction, ActualActionMixin):
         for v in self.world.avatar_manager.avatars.values():
             if v.name == avatar_name:
                 return v
-        raise ValueError(f"未找到名为 {avatar_name} 的角色")
+        return None
 
     def _execute(self, avatar_name: str) -> None:
         target = self._get_target(avatar_name)
@@ -265,6 +265,9 @@ class MoveToAvatar(DefineAction, ActualActionMixin):
         Move(self.avatar, self.world).execute(delta_x, delta_y)
 
     def can_start(self, avatar_name: str|None = None) -> bool:
+        target = self._get_target(avatar_name)
+        if target is None:
+            return False
         return True
 
     def start(self, avatar_name: str) -> Event:
@@ -837,7 +840,7 @@ class Battle(DefineAction, ActualActionMixin):
         if isinstance(res, tuple) and len(res) == 2:
             winner, loser = res
             return [Event(self.world.month_stamp, f"{winner} 战胜了 {loser}")]
-        raise ValueError(f"Battle finish error: {res}")
+        return []
 
 
 @long_action(step_month=3)
diff --git a/src/classes/avatar.py b/src/classes/avatar.py
index faf7740..efe703f 100644
--- a/src/classes/avatar.py
+++ b/src/classes/avatar.py
@@ -75,6 +75,8 @@ class Avatar:
     mp: MP = field(default_factory=lambda: MP(0, 0))  # 将在__post_init__中初始化
     relations: dict["Avatar", Relation] = field(default_factory=dict)
     alignment: Alignment = field(default_factory=lambda: random.choice(list(Alignment)))
+    # 当月/当步新设动作标记：在 commit_next_plan 设为 True，首次 tick_action 后清为 False
+    _new_action_set_this_step: bool = False
 
     def __post_init__(self):
         """
@@ -165,6 +167,8 @@ class Avatar:
             # 启动
             start_event = action.start(**plan.params)
             self.current_action = ActionInstance(action=action, params=plan.params, status="running")
+            # 标记为“本轮新设动作”，用于本月补充执行
+            self._new_action_set_this_step = True
             return start_event
         return None
 
@@ -205,6 +209,8 @@ class Avatar:
             for e in mid_events:
                 self._pending_events.append(e)
         events, self._pending_events = self._pending_events, []
+        # 本轮已执行过，清除“新设动作”标记
+        self._new_action_set_this_step = False
         return events
 
     def update_cultivation(self, new_level: int):
diff --git a/src/classes/mutual_action.py b/src/classes/mutual_action.py
index d08fafb..db7021d 100644
--- a/src/classes/mutual_action.py
+++ b/src/classes/mutual_action.py
@@ -65,6 +65,17 @@ class MutualAction(DefineAction, LLMAction):
         """
         将反馈决定落地为目标角色的立即动作（清空后加载单步动作链）。
         """
+        # 若当前已是同类同参动作，直接跳过，避免重复“发起战斗”等事件刷屏
+        try:
+            cur = target_avatar.current_action
+            if cur is not None:
+                cur_name = getattr(cur.action, "__class__", type(cur.action)).__name__
+                if cur_name == action_name:
+                    # 简单判断参数等价（键值相等）
+                    if getattr(cur, "params", {}) == dict(action_params):
+                        return
+        except Exception:
+            pass
         # 抢占：清空后续计划并中断其当前动作
         self._preempt_avatar(target_avatar)
         # 先加载为计划
diff --git a/src/sim/simulator.py b/src/sim/simulator.py
index 17ed8e9..1cb68e2 100644
--- a/src/sim/simulator.py
+++ b/src/sim/simulator.py
@@ -50,11 +50,27 @@ class Simulator:
                 if start_event is not None and not is_null_event(start_event):
                     events.append(start_event)
 
-        # 执行阶段：推进所有有当前动作的角色
-        for avatar_id, avatar in self.world.avatar_manager.avatars.items():
-            new_events = await avatar.tick_action()
-            if new_events:
-                events.extend(new_events)
+        # 执行阶段：推进当前动作，支持同月链式抢占即时结算
+        # 采用最多3轮的小循环：
+        # - 每轮遍历现有角色执行一次 tick_action
+        # - 若本轮有角色在遍历过程中被抢占并新设了动作（标记 _new_action_set_this_step=True），下一轮继续执行
+        # - 最多 3 轮以防极端互相抢占导致长链
+        MAX_LOCAL_ROUNDS = 3
+        for _ in range(MAX_LOCAL_ROUNDS):
+            new_action_happened = False
+            for avatar_id, avatar in list(self.world.avatar_manager.avatars.items()):
+                # 本轮执行前若标记为新设，则清理，执行后由 Avatar 再统一清除
+                if getattr(avatar, "_new_action_set_this_step", False):
+                    new_action_happened = True
+                new_events = await avatar.tick_action()
+                if new_events:
+                    events.extend(new_events)
+                # 若在本次执行后产生了新的动作（被别人抢占设立），则标志位会在 commit_next_plan 时被置 True
+                if getattr(avatar, "_new_action_set_this_step", False):
+                    new_action_happened = True
+            # 若本轮未检测到新动作产生，则结束本地循环
+            if not new_action_happened:
+                break
 
         # 结算战斗等导致的死亡逻辑
         for avatar_id, avatar in list(self.world.avatar_manager.avatars.items()):
diff --git a/static/game_configs/persona.csv b/static/game_configs/persona.csv
index 8c432ce..7ad232d 100644
--- a/static/game_configs/persona.csv
+++ b/static/game_configs/persona.csv
@@ -1,3 +1,3 @@
 id,name,exclusion_ids,prompt
 ,,和本persona互斥的persona的id,输入给LLM的prompt
-12,复仇,11;14,你是一个复仇心强的人，你绝不轻易放下仇怨，为了复仇愿意付出代价与时间。
\ No newline at end of file
+12,复仇,11;14,你是一个复仇心强的人，你绝不轻易放下仇怨，为了复仇愿意付出代价与时间。你要立刻复仇。
\ No newline at end of file