diff --git a/astrbot/api/event/filter/__init__.py b/astrbot/api/event/filter/__init__.py
index 89729219d..7174be0fd 100644
--- a/astrbot/api/event/filter/__init__.py
+++ b/astrbot/api/event/filter/__init__.py
@@ -16,6 +16,7 @@ from astrbot.core.star.register import (
 from astrbot.core.star.filter.event_message_type import EventMessageTypeFilter, EventMessageType
 from astrbot.core.star.filter.platform_adapter_type import PlatformAdapterTypeFilter, PlatformAdapterType
 from astrbot.core.star.filter.permission import PermissionTypeFilter, PermissionType
+from astrbot.core.star.filter.custom_filter import CustomFilter
 
 __all__ = [
     'command',
@@ -29,6 +30,7 @@ __all__ = [
     'PlatformAdapterTypeFilter',
     'PlatformAdapterType',
     'PermissionTypeFilter',
+    'CustomFilter',
     'custom_filter',
     'PermissionType',
     'on_llm_request',
diff --git a/astrbot/core/star/filter/command_group.py b/astrbot/core/star/filter/command_group.py
index 5678b1af4..750d01803 100644
--- a/astrbot/core/star/filter/command_group.py
+++ b/astrbot/core/star/filter/command_group.py
@@ -24,23 +24,18 @@ class CommandGroupFilter(HandlerFilter):
 
     # 以树的形式打印出来
     def print_cmd_tree(self,
-                       sub_command_filters: List[Union[CommandFilter,
-                       CommandGroupFilter]],
-                       prefix: str = "",
-                       event: AstrMessageEvent = None,
-                       cfg: AstrBotConfig = None,
-                        ) -> str:
+        sub_command_filters: List[Union[CommandFilter, CommandGroupFilter]],
+        prefix: str = "",
+        event: AstrMessageEvent = None,
+        cfg: AstrBotConfig = None,
+    ) -> str:
         result = ""
         for sub_filter in sub_command_filters:
             if isinstance(sub_filter, CommandFilter):
+                custom_filter_pass = True
                 if event and cfg:
-                    if sub_filter.custom_filter_ok(event, cfg):
-                        permission_pass = True
-                    else:
-                        permission_pass = False
-                else:
-                    permission_pass = True
-                if permission_pass:
+                    custom_filter_pass = sub_filter.custom_filter_ok(event, cfg)
+                if custom_filter_pass:
                     cmd_th = sub_filter.print_types()
                     result += f"{prefix}├── {sub_filter.command_name}"
                     if cmd_th:
@@ -49,14 +44,10 @@ class CommandGroupFilter(HandlerFilter):
                         result += " (无参数指令)"
                     result += "\n"
             elif isinstance(sub_filter, CommandGroupFilter):
+                custom_filter_pass = True
                 if event and cfg:
-                    if sub_filter.custom_filter_ok(event, cfg):
-                        permission_pass = True
-                    else:
-                        permission_pass = False
-                else:
-                    permission_pass = True
-                if permission_pass:
+                    custom_filter_pass = sub_filter.custom_filter_ok(event, cfg)
+                if custom_filter_pass:
                     result += f"{prefix}├── {sub_filter.group_name}"
                     result += "\n"
                     result += sub_filter.print_cmd_tree(sub_filter.sub_command_filters, prefix+"│   ", event=event, cfg=cfg)
diff --git a/astrbot/core/star/register/star_handler.py b/astrbot/core/star/register/star_handler.py
index 2c8cc5361..14e221e6a 100644
--- a/astrbot/core/star/register/star_handler.py
+++ b/astrbot/core/star/register/star_handler.py
@@ -85,7 +85,7 @@ def register_custom_filter(custom_type_filter, *args, **kwargs):
     '''注册一个自定义的 CustomFilter
 
     Args:
-        cunstom_permission_type_filter: 在裸指令时为CustomFilter对象
+        custom_type_filter: 在裸指令时为CustomFilter对象
                                         在指令组时为父指令的RegisteringCommandable对象，即self或者command_group的返回
         raise_error: 如果没有权限，是否抛出错误到消息平台，并且停止事件传播。默认为 True
     '''
@@ -95,7 +95,7 @@ def register_custom_filter(custom_type_filter, *args, **kwargs):
     # 判断是否是指令组，指令组则添加到指令组的CommandGroupFilter对象中在waking_check的时候一起判断
     if isinstance(custom_type_filter, RegisteringCommandable):
         # 子指令, 此时函数为RegisteringCommandable对象的方法，首位参数为RegisteringCommandable对象的self。
-        parent_rigister_commandable = custom_type_filter
+        parent_register_commandable = custom_type_filter
         custom_filter = args[0]
         if len(args) > 1:
             raise_error = args[1]
@@ -121,7 +121,7 @@ def register_custom_filter(custom_type_filter, *args, **kwargs):
             if not add_to_event_filters and not isinstance(awaitable, RegisteringCommandable):
                 # 底层子指令
                 handle_full_name = get_handler_full_name(awaitable)
-                for sub_handle in parent_rigister_commandable.parent_group.sub_command_filters:
+                for sub_handle in parent_register_commandable.parent_group.sub_command_filters:
                     # 所有符合fullname一致的子指令handle添加自定义过滤器。
                     # 不确定是否会有多个子指令有一样的fullname，比如一个方法添加多个command装饰器？
                     sub_handle_md = sub_handle.get_handler_md()