update: 更新了默认的配置参数

update: 更新了测试代码中的默认ip与端口

tests/integration_test/backend_test.py

@@ -1,7 +1,6 @@
 from tests.unit_test.user_test import user_test
 from tests.unit_test.character_test import character_test
 from tests.unit_test.chat_test import chat_test
-import asyncio
 
 if __name__ == '__main__':
     user_test()