diff --git a/api.py b/api.py
index 94a31c7..c6f1d4c 100644
--- a/api.py
+++ b/api.py
@@ -3,6 +3,7 @@
 
 logger = get_logger()
 action_list = {}
+ob11_api_list = {}
 
 '''
 def register_action(name: str) -> Callable:
@@ -17,4 +18,8 @@ def decorator(func: Callable) -> None:
 
 def register_action(func: Callable) -> None:
     action_list[func.__name__] = func
-    logger.debug(f"成功注册动作：{func.__name__}")
\ No newline at end of file
+    logger.debug(f"成功注册动作：{func.__name__}")
+
+def register_ob11_api(func: Callable) -> None:
+    ob11_api_list[func.__name__] = func
+    logger.debug(f"成功注册接口：{func.__name__} (OneBot V11)")
diff --git a/call_action.py b/call_action.py
index f3c188c..09b0738 100644
--- a/call_action.py
+++ b/call_action.py
@@ -1,4 +1,4 @@
-from api import action_list
+from api import action_list, ob11_api_list
 from typing import Callable
 import inspect
 import return_object 
@@ -38,19 +38,40 @@ def check_params(func: Callable, params: dict) -> tuple[bool, dict]:
     return True, {}
         
 
-            
+def get_action_function(action: str, protocol_version: int) -> Callable | None:
+    """
+    获取动作函数
+
+    Args:
+        action (str): 动作/接口名
+        protocol_version (int): 协议版本 11/12
+
+    Returns:
+        Callable: 动作执行函数
+    """
+    if protocol_version == 11 and action not in ob11_api_list.keys() and config["system"].get("allow_v12_actions", True):
+        logger.warning(f"接口 {action} (V11) 不存在，尝试使用 V12")
+        return action_list.get(action)
+    elif protocol_version == 11:
+        logger.error(f"接口 {action} (V11) 不存在")
+        return ob11_api_list.get(action)
+    elif protocol_version == 12 and action not in action_list.keys() and config["system"].get("allow_v11_actions", False):
+        logger.warning(f"动作 {action} 不存在，尝试使用 V11")
+        return ob11_api_list.get(action)
+    else:
+        return action_list.get(action)
 
 
-async def on_call_action(action: str, params: dict, echo: str | None = None, **_) -> dict:
-    logger.debug(f"请求执行动作：{action} ({params=}, {echo=})")
+async def on_call_action(action: str, params: dict, echo: str | None = None, protocol_version: int = 12, **_) -> dict:
+    logger.debug(f"请求执行动作：{action} ({params=}, {echo=}, {protocol_version=})")
     if config['system'].get("allow_strike") and random.random() <= 0.1:
         return return_object.get(36000, "I am tried.")
-    if action not in action_list.keys():
+    if not (action_function := get_action_function(action, protocol_version)):
         return return_object.get(10002, "action not found")
-    if not (params_checking_result := check_params(action_list[action], params))[0]:
+    if not (params_checking_result := check_params(action_function, params))[0]:
         return params_checking_result[1]
     try:
-        return_data = await action_list[action](**params)
+        return_data = await action_function(**params)
     except UnsupportedSegment as e:
         return return_object.get(10005, str(e))
     except BadSegmentData as e: