diff --git a/src/classes/action/__init__.py b/src/classes/action/__init__.py
index aabfcdf..63e6c0e 100644
--- a/src/classes/action/__init__.py
+++ b/src/classes/action/__init__.py
@@ -33,6 +33,7 @@ from .devour_mortals import DevourMortals
 from .self_heal import SelfHeal
 from .catch import Catch
 from .nurture_weapon import NurtureWeapon
+from .switch_weapon import SwitchWeapon
 
 # 注册到 ActionRegistry（标注是否为实际可执行动作）
 register_action(actual=False)(Action)
@@ -62,6 +63,7 @@ register_action(actual=True)(DevourMortals)
 register_action(actual=True)(SelfHeal)
 register_action(actual=True)(Catch)
 register_action(actual=True)(NurtureWeapon)
+register_action(actual=True)(SwitchWeapon)
 # Talk 已移动到 mutual_action 模块，在那里注册
 
 __all__ = [
@@ -93,6 +95,8 @@ __all__ = [
     "DevourMortals",
     "SelfHeal",
     "Catch",
+    "NurtureWeapon",
+    "SwitchWeapon",
     # Talk 已移动到 mutual_action 模块
 ]
 
diff --git a/src/classes/action/switch_weapon.py b/src/classes/action/switch_weapon.py
new file mode 100644
index 0000000..6472a8e
--- /dev/null
+++ b/src/classes/action/switch_weapon.py
@@ -0,0 +1,80 @@
+from __future__ import annotations
+
+from src.classes.action import InstantAction
+from src.classes.event import Event
+from src.classes.weapon import get_common_weapon
+from src.classes.weapon_type import WeaponType
+from src.classes.normalize import normalize_weapon_type
+
+
+class SwitchWeapon(InstantAction):
+    """
+    切换兵器：将当前兵器切换为指定类型的凡品兵器。
+    熟练度重置为0。
+    """
+
+    COMMENT = "切换到指定类型的凡品兵器。当前兵器会丧失，熟练度会重置为0。适用于想要更换兵器类型或从头修炼新兵器的情况。"
+    DOABLES_REQUIREMENTS = "无前置条件"
+    PARAMS = {"weapon_type_name": "str"}
+
+    def _execute(self, weapon_type_name: str) -> None:
+        # 规范化兵器类型名称
+        normalized_type = normalize_weapon_type(weapon_type_name)
+        
+        # 匹配 WeaponType 枚举
+        target_weapon_type = None
+        for wt in WeaponType:
+            if wt.value == normalized_type:
+                target_weapon_type = wt
+                break
+        
+        if target_weapon_type is None:
+            return
+        
+        # 获取凡品兵器
+        common_weapon = get_common_weapon(target_weapon_type)
+        if common_weapon is None:
+            return
+        
+        # 切换兵器（使用 Avatar 的 change_weapon 方法）
+        self.avatar.change_weapon(common_weapon)
+
+    def can_start(self, weapon_type_name: str | None = None) -> tuple[bool, str]:
+        if weapon_type_name is None:
+            # AI调用：总是可以切换兵器
+            return True, ""
+        
+        # 规范化并验证兵器类型
+        normalized_type = normalize_weapon_type(weapon_type_name)
+        target_weapon_type = None
+        for wt in WeaponType:
+            if wt.value == normalized_type:
+                target_weapon_type = wt
+                break
+        
+        if target_weapon_type is None:
+            return False, f"未知兵器类型: {weapon_type_name}（支持的类型：剑/刀/枪/棍/扇/鞭/琴/笛/暗器）"
+        
+        # 检查是否已经是该类型的凡品兵器
+        if self.avatar.weapon.weapon_type == target_weapon_type and \
+           self.avatar.weapon.name == f"凡品{target_weapon_type.value}":
+            return False, f"已经装备了凡品{target_weapon_type.value}"
+        
+        # 检查凡品兵器是否存在
+        common_weapon = get_common_weapon(target_weapon_type)
+        if common_weapon is None:
+            return False, f"系统中不存在凡品{target_weapon_type.value}"
+        
+        return True, ""
+
+    def start(self, weapon_type_name: str) -> Event:
+        normalized_type = normalize_weapon_type(weapon_type_name)
+        return Event(
+            self.world.month_stamp,
+            f"{self.avatar.name} 切换兵器为凡品{normalized_type}",
+            related_avatars=[self.avatar.id]
+        )
+
+    def finish(self, weapon_type_name: str) -> list[Event]:
+        return []
+
diff --git a/src/classes/normalize.py b/src/classes/normalize.py
index b77a0aa..84d7639 100644
--- a/src/classes/normalize.py
+++ b/src/classes/normalize.py
@@ -130,3 +130,30 @@ def normalize_item_name(name: str) -> str:
     s = s.rstrip(" -").strip()
     return s
 
+
+def normalize_weapon_type(name: str) -> str:
+    """
+    规范化兵器类型名称：映射到标准的WeaponType枚举值。
+    
+    处理格式：
+    - 去除空格和多余符号
+    - "剑"/"剑类"/"剑兵器" -> "剑"
+    
+    Args:
+        name: 兵器类型名称
+        
+    Returns:
+        规范化后的兵器类型名称（WeaponType.value）
+        
+    Examples:
+        >>> normalize_weapon_type("剑 ")
+        '剑'
+        >>> normalize_weapon_type("刀类")
+        '刀'
+    """
+    s = str(name).strip()
+    # 移除常见后缀
+    for suffix in ["类", "兵器", "武器"]:
+        if s.endswith(suffix):
+            s = s[:-len(suffix)].strip()
+    return s
diff --git a/src/classes/weapon.py b/src/classes/weapon.py
index 99b983c..3cf0431 100644
--- a/src/classes/weapon.py
+++ b/src/classes/weapon.py
@@ -113,8 +113,8 @@ weapons_by_id, weapons_by_name, weapons_by_sect_id = _load_weapons()
 
 
 def get_common_weapon(weapon_type: WeaponType) -> Optional[Weapon]:
-    """获取指定类型的普通兵器（用于兜底）"""
-    weapon_name = f"普通{weapon_type.value}"
+    """获取指定类型的凡品兵器（用于兜底）"""
+    weapon_name = f"凡品{weapon_type.value}"
     return weapons_by_name.get(weapon_name)
 
 
diff --git a/static/game_configs/weapon.csv b/static/game_configs/weapon.csv
index c684010..8d2a133 100644
--- a/static/game_configs/weapon.csv
+++ b/static/game_configs/weapon.csv
@@ -3,15 +3,15 @@ id,name,weapon_type,grade,sect_id,desc,effects
 1,本命剑匣,剑,法宝,1,以心御剑，匣启如霆，剑意随心破万法.,{extra_battle_strength_points: 3}
 4,镇魂钟,棍,法宝,7,钟鸣摄魄，定魂镇邪，护心安魂.,"{extra_battle_strength_points: 2, extra_observation_radius: 1}"
 6,万魂幡,扇,法宝,4,幡起万魂啾啾，阴风过境.,"{legal_actions: ['DevourMortals'], extra_battle_strength_points: 'avatar.weapon.special_data.get(""devoured_souls"", 0) // 100 * 0.1'}"
-1001,普通剑,剑,普通,,平凡无奇的剑。,{extra_battle_strength_points: 1}
-1002,普通刀,刀,普通,,平凡无奇的刀。,{extra_battle_strength_points: 1}
-1003,普通枪,枪,普通,,平凡无奇的枪。,{extra_battle_strength_points: 1}
-1004,普通棍,棍,普通,,平凡无奇的棍。,{extra_battle_strength_points: 1}
-1005,普通扇,扇,普通,,平凡无奇的扇。,{extra_battle_strength_points: 1}
-1006,普通鞭,鞭,普通,,平凡无奇的鞭。,{extra_battle_strength_points: 1}
-1007,普通琴,琴,普通,,平凡无奇的琴。,{extra_battle_strength_points: 1}
-1008,普通笛,笛,普通,,平凡无奇的笛。,{extra_battle_strength_points: 1}
-1009,普通暗器,暗器,普通,,平凡无奇的暗器。,{extra_battle_strength_points: 1}
+1001,凡品剑,剑,普通,,平凡无奇的剑。,{extra_battle_strength_points: 1}
+1002,凡品刀,刀,普通,,平凡无奇的刀。,{extra_battle_strength_points: 1}
+1003,凡品枪,枪,普通,,平凡无奇的枪。,{extra_battle_strength_points: 1}
+1004,凡品棍,棍,普通,,平凡无奇的棍。,{extra_battle_strength_points: 1}
+1005,凡品扇,扇,普通,,平凡无奇的扇。,{extra_battle_strength_points: 1}
+1006,凡品鞭,鞭,普通,,平凡无奇的鞭。,{extra_battle_strength_points: 1}
+1007,凡品琴,琴,普通,,平凡无奇的琴。,{extra_battle_strength_points: 1}
+1008,凡品笛,笛,普通,,平凡无奇的笛。,{extra_battle_strength_points: 1}
+1009,凡品暗器,暗器,普通,,平凡无奇的暗器。,{extra_battle_strength_points: 1}
 2001,青霜剑,剑,宝物,,剑身寒气逼人，剑锋如霜。,{extra_battle_strength_points: 2}
 2002,破军刀,刀,宝物,,刀势霸道凌厉，破军杀阵。,{extra_battle_strength_points: 2}
 2003,龙吟枪,枪,宝物,,枪出如龙，势如破竹。,"{extra_battle_strength_points: 2, extra_max_hp: 50}"