修复私聊PFC

src/plugins/PFC/message_sender.py

@@ -4,7 +4,7 @@ from ..chat.chat_stream import ChatStream
 from ..chat.message import Message
 from ..message.message_base import Seg
 from src.plugins.chat.message import MessageSending, MessageSet
-from src.plugins.chat.messagesender import message_manager
+from src.plugins.chat.message_sender import message_manager
 
 logger = get_module_logger("message_sender")
 
@@ -15,8 +15,8 @@ class DirectMessageSender:
     def __init__(self):
         pass
 
-    @staticmethod
     async def send_message(
+        self,
         chat_stream: ChatStream,
         content: str,
         reply_to_message: Optional[Message] = None,