fix: 模型优先使用无需付费模型，并模型名称全局化

src/plugins/memory_system/llm_module.py

@@ -5,13 +5,13 @@ import time
 from nonebot import get_driver
 import aiohttp
 import asyncio
-
+from src.plugins.chat.config import global_config
 driver = get_driver()
 config = driver.config
 
 class LLMModel:
     # def __init__(self, model_name="deepseek-ai/DeepSeek-R1-Distill-Qwen-32B", **kwargs):
-    def __init__(self, model_name="Pro/deepseek-ai/DeepSeek-V3", **kwargs):
+    def __init__(self, model_name=global_config.SILICONFLOW_MODEL_V3, **kwargs):
         self.model_name = model_name
         self.params = kwargs
         self.api_key = config.siliconflow_key

src/plugins/memory_system/llm_module_memory_make.py

@@ -2,17 +2,17 @@ import os
 import requests
 from typing import Tuple, Union
 import time
-from ..chat.config import BotConfig
 from nonebot import get_driver
 import aiohttp
 import asyncio
+from src.plugins.chat.config import BotConfig, global_config
 
 driver = get_driver()
 config = driver.config
 
 class LLMModel:
     # def __init__(self, model_name="deepseek-ai/DeepSeek-R1-Distill-Qwen-32B", **kwargs):
-    def __init__(self, model_name="Pro/deepseek-ai/DeepSeek-V3", **kwargs):
+    def __init__(self, model_name=global_config.SILICONFLOW_MODEL_V3, **kwargs):
         self.model_name = model_name
         self.params = kwargs
         self.api_key = config.siliconflow_key