diff --git a/src/plugins/chat/bot.py b/src/plugins/chat/bot.py
index 490003c8f..80d620722 100644
--- a/src/plugins/chat/bot.py
+++ b/src/plugins/chat/bot.py
@@ -148,7 +148,7 @@ class ChatBot:
 
         response = None
         # 开始组织语言
-        if random() < reply_probability:
+        if random() < reply_probability + 1:
             bot_user_info = UserInfo(
                 user_id=global_config.BOT_QQ,
                 user_nickname=global_config.BOT_NICKNAME,
@@ -183,8 +183,10 @@ class ChatBot:
                 chat_talking_prompt = get_recent_group_detailed_plain_text(
                     stream_id, limit=global_config.MAX_CONTEXT_SIZE, combine=True
                 )
-
-            await subheartflow_manager.get_subheartflow(stream_id).do_after_reply(response, chat_talking_prompt)
+            if subheartflow_manager.get_subheartflow(stream_id):
+                await subheartflow_manager.get_subheartflow(stream_id).do_after_reply(response, chat_talking_prompt)
+            else:
+                await subheartflow_manager.create_subheartflow(stream_id).do_after_reply(response, chat_talking_prompt)
             # print(f"有response: {response}")
             container = message_manager.get_container(chat.stream_id)
             thinking_message = None
diff --git a/src/plugins/chat/relationship_manager.py b/src/plugins/chat/relationship_manager.py
index 65e19d535..9221817c3 100644
--- a/src/plugins/chat/relationship_manager.py
+++ b/src/plugins/chat/relationship_manager.py
@@ -170,7 +170,7 @@ class RelationshipManager:
         if key in self.relationships:
             return self.relationships[key]
         else:
-            return 0
+            return None
 
     async def load_relationship(self, data: dict) -> Relationship:
         """从数据库加载或创建新的关系对象"""