diff --git a/astrbot/core/star/filter/command.py b/astrbot/core/star/filter/command.py
index 10dc540c0..1715846c5 100644
--- a/astrbot/core/star/filter/command.py
+++ b/astrbot/core/star/filter/command.py
@@ -12,7 +12,7 @@ from ..star_handler import StarHandlerMetadata
 # 标准指令受到 wake_prefix 的制约。
 class CommandFilter(HandlerFilter, ParameterValidationMixin):
     '''标准指令过滤器'''
-    def __init__(self, command_name: str, alias: set, handler_md: StarHandlerMetadata = None):
+    def __init__(self, command_name: str, alias: set = None, handler_md: StarHandlerMetadata = None):
         self.command_name = command_name
         self.alias = alias if alias else set()
         if handler_md:
diff --git a/astrbot/core/star/filter/command_group.py b/astrbot/core/star/filter/command_group.py
index 36135b3d0..228615d81 100644
--- a/astrbot/core/star/filter/command_group.py
+++ b/astrbot/core/star/filter/command_group.py
@@ -11,7 +11,7 @@ from ..star_handler import StarHandlerMetadata
 
 # 指令组受到 wake_prefix 的制约。
 class CommandGroupFilter(HandlerFilter):
-    def __init__(self, group_name: str, alias: set):
+    def __init__(self, group_name: str, alias: set = None):
         self.group_name = group_name
         self.alias = alias if alias else set()
         self.sub_command_filters: List[Union[CommandFilter, CommandGroupFilter]] = []