fix: 调整topic提取的设置

src/plugins/chat/config.py

@@ -41,6 +41,8 @@ class BotConfig:
     llm_normal_minor: Dict[str, str] = field(default_factory=lambda: {})
     embedding: Dict[str, str] = field(default_factory=lambda: {})
     vlm: Dict[str, str] = field(default_factory=lambda: {})
+    topic_extract: str = 'snownlp' # 只支持jieba,snownlp,llm
+    llm_topic_extract=llm_normal_minor
     
     API_USING: str = "siliconflow"  # 使用的API
     API_PAID: bool = False  # 是否使用付费API
@@ -132,6 +134,15 @@ class BotConfig:
                 if "embedding" in model_config:
                     config.embedding = model_config["embedding"]
                 
+            if 'topic' in toml_dict:
+                topic_config=toml_dict['topic']
+                if 'topic_extract' in topic_config:
+                    config.topic_extract=topic_config.get('topic_extract',config.topic_extract)
+                    print(f"载入自定义主题提取为{config.topic_extract}")
+                if config.topic_extract=='llm' and 'llm_topic' in topic_config:
+                    config.llm_topic_extract=topic_config['llm_topic']
+                    print(f"载入自定义主题提取模型为{config.llm_topic_extract['name']}")
+                
             # 消息配置
             if "message" in toml_dict:
                 msg_config = toml_dict["message"]