diff --git a/examples/__init__.py b/examples/__init__.py
deleted file mode 100644
index e69de29b..00000000
diff --git a/examples/api/__init__.py b/examples/api/__init__.py
deleted file mode 100644
index e69de29b..00000000
diff --git a/examples/api/chat_example.py b/examples/api/chat_example.py
new file mode 100644
index 00000000..b7781ef5
--- /dev/null
+++ b/examples/api/chat_example.py
@@ -0,0 +1,66 @@
+import sys
+
+sys.path.append(".")
+
+from memoryscope import MemoryScope, Arguments
+
+arguments = Arguments(
+    language="cn",
+    logger_to_screen=False,
+    memory_chat_class="api_memory_chat",
+    generation_backend="dashscope_generation",
+    generation_model="qwen-max",
+    embedding_backend="dashscope_embedding",
+    embedding_model="text-embedding-v2",
+    use_dummy_ranker=False,
+    rank_backend="dashscope_rank",
+    rank_model="gte-rerank",
+)
+
+
+def chat_example1():
+    with MemoryScope(config_path="memoryscope/core/config/demo_config.yaml") as ms:
+        memory_chat = ms.default_memory_chat
+        response = memory_chat.chat_with_memory(query="我的爱好是弹琴。")
+        print("回答：\n" + response.message.content)
+        print("记忆：\n" + response.meta_data["memories"])
+
+
+def chat_example2():
+    with MemoryScope(arguments=arguments) as ms:
+        memory_chat = ms.default_memory_chat
+
+        response = memory_chat.chat_with_memory(query="我的爱好是弹琴。")
+        print("回答：\n" + response.message.content)
+        print("记忆：\n" + response.meta_data["memories"])
+
+
+def chat_example3():
+    with MemoryScope(arguments=arguments) as ms:
+        memory_chat = ms.default_memory_chat
+
+        response = memory_chat.chat_with_memory(
+            query="你知道我消灭了几个星系吗？",
+            extra_memories="用户是一只哥斯拉，这是真是的，不是虚构的。\n前天用户消灭了星系0x4be？\n大前天用户消灭了星系0x5be？")
+        print("回答：\n" + response.message.content)
+
+
+def chat_example4():
+    with MemoryScope(arguments=arguments) as ms:
+        memory_chat = ms.default_memory_chat
+
+        response = memory_chat.chat_with_memory(query="我的爱好是弹琴。")
+        print("回答1：\n" + response.message.content)
+        memory_chat.memory_service.consolidate_memory()
+
+        response = memory_chat.chat_with_memory(query="你知道我的乐器爱好是什么？",
+                                                add_messages=False)
+        print("回答2：\n" + response.message.content)
+        print("记忆2：\n" + response.meta_data["memories"])
+
+
+if __name__ == "__main__":
+    chat_example1()
+    # chat_example2()
+    # chat_example3()
+    # chat_example4()
diff --git a/examples/api/test_interface.py b/examples/api/test_interface.py
deleted file mode 100644
index 05bdaef5..00000000
--- a/examples/api/test_interface.py
+++ /dev/null
@@ -1,18 +0,0 @@
-from memoryscope.cli import MemoryScope
-from memoryscope.scheme.message import Message
-
-ms = MemoryScope().read_config("config/demo_config_no_stream.yaml")
-memory_service = ms.default_service
-memory_chat = ms.default_chat_handle
-
-# new_message: Message = Message(role=MessageRoleEnum.USER.value, role_name="我", content="我的爱好是弹琴并且喜欢看电影。")
-# memory_service.add_messages(new_message)
-
-res: Message = memory_chat.chat_with_memory(query="我的爱好是弹琴。", remember_response=True)
-print(res.message.content)
-
-res: Message = memory_chat.chat_with_memory(query="昨天弹出一个光粒，消灭了星系0x4be。", remember_response=True)
-print(res.message.content)
-
-res: Message = memory_chat.chat_with_memory(query="今天弹出一个二向箔，消灭了星系0xa2e。", remember_response=True)
-print(res.message.content)
diff --git a/examples/cli/dash_cli_cn1.sh b/examples/cli/dash_cli_cn1.sh
new file mode 100644
index 00000000..2998bd29
--- /dev/null
+++ b/examples/cli/dash_cli_cn1.sh
@@ -0,0 +1 @@
+python memoryscope/cli.py -config_path=memoryscope/core/config/demo_config.yaml
\ No newline at end of file
diff --git a/examples/cli/dash_cli_cn2.sh b/examples/cli/dash_cli_cn2.sh
new file mode 100644
index 00000000..14c92cee
--- /dev/null
+++ b/examples/cli/dash_cli_cn2.sh
@@ -0,0 +1,10 @@
+python memoryscope/cli.py \
+  -language="cn" \
+  -memory_chat_class="cli_memory_chat" \
+  -generation_backend="dashscope_generation" \
+  -generation_model="qwen-max" \
+  -embedding_backend="dashscope_embedding" \
+  -embedding_model="text-embedding-v2" \
+  -use_dummy_ranker=False \
+  -rank_backend="dashscope_rank" \
+  -rank_model="gte-rerank"
\ No newline at end of file
diff --git a/examples/config/demo_config_no_stream.yaml b/examples/config/demo_config_no_stream.yaml
deleted file mode 100644
index e69de29b..00000000
diff --git a/examples/docker/__init__.py b/examples/docker/__init__.py
deleted file mode 100644
index e69de29b..00000000
diff --git a/memoryscope/__init__.py b/memoryscope/__init__.py
index 2be4eb6a..0dc03c13 100644
--- a/memoryscope/__init__.py
+++ b/memoryscope/__init__.py
@@ -1,2 +1,5 @@
+from memoryscope.core.config.arguments import Arguments
+from memoryscope.core.memoryscope import MemoryScope
+
 """ Version of MemoryScope."""
 __version__ = "0.1.0"
diff --git a/memoryscope/cli.py b/memoryscope/cli.py
index 85d5bec5..a429fda0 100644
--- a/memoryscope/cli.py
+++ b/memoryscope/cli.py
@@ -8,7 +8,9 @@ from memoryscope.core.memoryscope import MemoryScope
 
 
 def cli_job(**kwargs):
-    MemoryScope(**kwargs).default_memory_chat.run()
+    with MemoryScope(**kwargs) as ms:
+        memory_chat = ms.default_memory_chat
+        memory_chat.run()
 
 
 if __name__ == "__main__":
diff --git a/memoryscope/core/chat/api_memory_chat.py b/memoryscope/core/chat/api_memory_chat.py
index 6aee7c75..d1e8d491 100644
--- a/memoryscope/core/chat/api_memory_chat.py
+++ b/memoryscope/core/chat/api_memory_chat.py
@@ -9,7 +9,7 @@ from memoryscope.core.service.base_memory_service import BaseMemoryService
 from memoryscope.core.utils.prompt_handler import PromptHandler
 from memoryscope.enumeration.message_role_enum import MessageRoleEnum
 from memoryscope.scheme.message import Message
-from memoryscope.scheme.model_response import ModelResponse
+from memoryscope.scheme.model_response import ModelResponse, ModelResponseGen
 
 
 class ApiMemoryChat(BaseMemoryChat):
@@ -18,6 +18,7 @@ class ApiMemoryChat(BaseMemoryChat):
                  memory_service: str,
                  generation_model: str,
                  context: MemoryscopeContext,
+                 stream: bool = False,
                  human_name: str = None,
                  assistant_name: str = None,
                  **kwargs):
@@ -27,6 +28,7 @@ class ApiMemoryChat(BaseMemoryChat):
         self._memory_service: BaseMemoryService | str = memory_service
         self._generation_model: BaseModel | str = generation_model
         self.context: MemoryscopeContext = context
+        self.stream: bool = stream
         self.generation_model_kwargs: dict = kwargs.pop("generation_model_kwargs", {})
 
         self.human_name: str = human_name
@@ -100,13 +102,31 @@ class ApiMemoryChat(BaseMemoryChat):
             self._generation_model = self.context.model_dict[self._generation_model]
         return self._generation_model
 
+    def iter_response(self,
+                      remember_response: bool,
+                      resp: ModelResponseGen,
+                      memories: str,
+                      query_message: Message) -> ModelResponseGen:
+
+        model_response: ModelResponse | None = None
+        for model_response in resp:
+            yield model_response
+
+        if remember_response:
+            if model_response and model_response.message:
+                model_response.message.role_name = self.assistant_name
+                model_response.meta_data[MEMORIES] = memories
+                self.memory_service.add_messages([query_message, model_response.message])
+            else:
+                self.logger.warning("model_response or model_response.message is empty!")
+
     def chat_with_memory(self,
                          query: str,
                          role_name: Optional[str] = None,
                          system_prompt: Optional[str] = None,
                          memory_prompt: Optional[str] = None,
                          extra_memories: Optional[str] = None,
-                         add_not_memorized_messages: bool = True,
+                         add_messages: bool = True,
                          remember_response: bool = True,
                          **kwargs):
         """
@@ -118,7 +138,7 @@ class ApiMemoryChat(BaseMemoryChat):
             system_prompt (str, optional): System prompt. Defaults to the system_prompt in "memory_chat_prompt.yaml".
             memory_prompt (str, optional): Memory prompt. Defaults to the memory_prompt in "memory_chat_prompt.yaml".
             extra_memories (str, optional): Manually added user memory in this function.
-            add_not_memorized_messages (bool, optional): whether add not memorized messages to LLM.
+            add_messages (bool, optional): whether add not memorized messages to LLM.
             remember_response (bool, optional): Flag indicating whether to save the AI's response to memory.
                 Defaults to False.
         Returns:
@@ -161,7 +181,7 @@ class ApiMemoryChat(BaseMemoryChat):
         chat_messages.append(system_message)
 
         # Include past conversation history in the message list
-        if add_not_memorized_messages:
+        if add_messages:
             history_messages = self.memory_service.read_message()
             if history_messages:
                 chat_messages.extend(history_messages)
@@ -171,19 +191,8 @@ class ApiMemoryChat(BaseMemoryChat):
         self.logger.info(f"chat_messages={chat_messages}")
 
         resp = self.generation_model.call(messages=chat_messages, stream=self.stream, **self.generation_model_kwargs)
-
         if self.stream:
-            model_response: ModelResponse | None = None
-            for model_response in resp:
-                yield model_response
-
-            if remember_response:
-                if model_response and model_response.message:
-                    model_response.message.role_name = self.assistant_name
-                    model_response.meta_data[MEMORIES] = memories
-                    self.memory_service.add_messages([query_message, model_response.message])
-                else:
-                    self.logger.warning("model_response or model_response.message is empty!")
+            return self.iter_response(remember_response, resp, memories, query_message)
 
         else:
             model_response: ModelResponse = resp
diff --git a/memoryscope/core/chat/base_memory_chat.py b/memoryscope/core/chat/base_memory_chat.py
index 995d1d46..455c93e4 100644
--- a/memoryscope/core/chat/base_memory_chat.py
+++ b/memoryscope/core/chat/base_memory_chat.py
@@ -1,4 +1,5 @@
 from abc import ABCMeta, abstractmethod
+from typing import Optional
 
 from memoryscope.core.service.base_memory_service import BaseMemoryService
 from memoryscope.core.utils.logger import Logger
@@ -10,8 +11,7 @@ class BaseMemoryChat(metaclass=ABCMeta):
     It outlines the method to initiate a chat session leveraging memory data, which concrete subclasses must implement.
     """
 
-    def __init__(self, stream: bool = True, **kwargs):
-        self.stream: bool = stream
+    def __init__(self, **kwargs):
         self.kwargs: dict = kwargs
         self.logger = Logger.get_logger()
 
@@ -28,16 +28,14 @@ class BaseMemoryChat(metaclass=ABCMeta):
     @abstractmethod
     def chat_with_memory(self,
                          query: str,
-                         role_name: str = "",
-                         remember_response: bool = True):
-        """
-        Initiates a chat interaction using the memory service, with the provided query as input.
+                         role_name: Optional[str] = None,
+                         system_prompt: Optional[str] = None,
+                         memory_prompt: Optional[str] = None,
+                         extra_memories: Optional[str] = None,
+                         add_messages: bool = True,
+                         remember_response: bool = True,
+                         **kwargs):
 
-        Args:
-            query (str): The user's query or message to start the chat.
-            role_name (str): The role's name.
-            remember_response (bool): whether update memory service.
-        """
         raise NotImplementedError
 
     def run(self):
diff --git a/memoryscope/core/chat/cli_memory_chat.py b/memoryscope/core/chat/cli_memory_chat.py
index 653b92ec..3d610468 100644
--- a/memoryscope/core/chat/cli_memory_chat.py
+++ b/memoryscope/core/chat/cli_memory_chat.py
@@ -1,22 +1,14 @@
 import os
 import time
-from typing import List
+from typing import Optional
 
 import questionary
 
-from memoryscope.constants.language_constants import DEFAULT_HUMAN_NAME
-from memoryscope.core.chat.base_memory_chat import BaseMemoryChat
-from memoryscope.core.memoryscope_context import MemoryscopeContext
-from memoryscope.core.models.base_model import BaseModel
-from memoryscope.core.service.base_memory_service import BaseMemoryService
-from memoryscope.core.utils.prompt_handler import PromptHandler
+from memoryscope.core.chat.api_memory_chat import ApiMemoryChat
 from memoryscope.core.utils.tool_functions import char_logo
-from memoryscope.enumeration.message_role_enum import MessageRoleEnum
-from memoryscope.scheme.message import Message
-from memoryscope.scheme.model_response import ModelResponse
 
 
-class CliMemoryChat(BaseMemoryChat):
+class CliMemoryChat(ApiMemoryChat):
     """
     Command-line interface for chatting with an AI that integrates memory functionality.
     Allows users to interact, manage chat history, adjust streaming settings, and view commands' help.
@@ -28,51 +20,9 @@ class CliMemoryChat(BaseMemoryChat):
         "stream": "Toggle between getting streamed responses from the model."
     }
 
-    def __init__(self,
-                 memory_service: str,
-                 generation_model: str,
-                 context: MemoryscopeContext,
-                 human_name: str = None,
-                 assistant_name: str = None,
-                 **kwargs):
-
+    def __init__(self, **kwargs):
         super().__init__(**kwargs)
-
-        self._memory_service: BaseMemoryService | str = memory_service
-        self._generation_model: BaseModel | str = generation_model
-        self.context: MemoryscopeContext = context
-        self.generation_model_kwargs: dict = kwargs.pop("generation_model_kwargs", {})
-
-        self.human_name: str = human_name
-        if not self.human_name:
-            self.human_name = DEFAULT_HUMAN_NAME[self.context.language]
-        self.context.meta_data["human_name"] = self.human_name
-
-        self.assistant_name: str = assistant_name
-        if not self.assistant_name:
-            self.assistant_name = "AI"
-        self.context.meta_data["assistant_name"] = self.assistant_name
-
         self._logo = char_logo("MemoryScope")
-        self._prompt_handler: PromptHandler | None = None
-
-    @property
-    def prompt_handler(self) -> PromptHandler:
-        """
-        Lazy initialization property for the prompt handler.
-
-        This property ensures that the `_prompt_handler` attribute is only instantiated when it is first accessed.
-        It uses the current file's path and additional keyword arguments for configuration.
-
-        Returns:
-            PromptHandler: An instance of the PromptHandler configured for this CLI session.
-        """
-        if self._prompt_handler is None:
-            self._prompt_handler = PromptHandler(__file__,
-                                                 language=self.context.language,
-                                                 prompt_file="memory_chat_prompt",
-                                                 **self.kwargs)
-        return self._prompt_handler
 
     def print_logo(self):
         """
@@ -84,104 +34,30 @@ class CliMemoryChat(BaseMemoryChat):
         for line in self._logo:
             print(line)
 
-    @property
-    def memory_service(self) -> BaseMemoryService:
-        """
-        Property to access the memory service. If the service is initially set as a string,
-        it will be looked up in the memory service dictionary of context, initialized,
-        and then returned as an instance of `BaseMemoryService`. Ensures the memory service
-        is properly started before use.
-
-        Returns:
-            BaseMemoryService: An active memory service instance.
-
-        Raises:
-            ValueError: If the declaration of memory service is not found in the memory service dictionary of context.
-        """
-        if isinstance(self._memory_service, str):
-            if self._memory_service not in self.context.memory_service_dict:
-                raise ValueError(f"Missing declaration of memory_service in context: {self._memory_service}")
-
-            self._memory_service: BaseMemoryService = self.context.memory_service_dict[self._memory_service]
-            # init service & update kwargs
-            self._memory_service.init_service()
-        return self._memory_service
-
-    @property
-    def generation_model(self) -> BaseModel:
-        """
-        Property to get the generation model. If the model is set as a string, it will be resolved from the global
-        context's model dictionary.
-
-        Raises:
-            ValueError: If the declaration of generation model is not found in the model dictionary of context .
-
-        Returns:
-            BaseModel: An actual generation model instance.
-        """
-        if isinstance(self._generation_model, str):
-            if self._generation_model not in self.context.model_dict:
-                raise ValueError(f"Missing declaration of generation model in yaml config: {self._generation_model}")
-            self._generation_model = self.context.model_dict[self._generation_model]
-        return self._generation_model
-
-    def get_user_message(self, query: str, role_name: str = "") -> Message:
-        if not role_name:
-            role_name = self.human_name
-        return Message(role=MessageRoleEnum.USER.value, role_name=role_name, content=query)
-
-    def get_system_message_with_memory(self, memories: str) -> Message:
-        # Incorporate memory into the system prompt if available
-        system_prompt = self.prompt_handler.system_prompt
-        if memories:
-            memory_prompt = self.prompt_handler.memory_prompt
-            system_prompt = "\n".join([x.strip() for x in [system_prompt, memory_prompt, memories]])
-        return Message(role=MessageRoleEnum.SYSTEM, content=system_prompt)
-
     def chat_with_memory(self,
                          query: str,
-                         role_name: str = "",
-                         remember_response: bool = True):
-
-        chat_messages: List[Message] = []
-
-        new_message: Message = self.get_user_message(query=query, role_name=role_name)
-
-        # To retrieve memory, prepare the query timestamp and role name by adding new_message.
-        memories: str = self.memory_service.retrieve_memory(query=new_message.content,
-                                                            role_name=new_message.role_name,
-                                                            timestamp=new_message.time_created)
-
-        # format system_message with memories
-        system_message: Message = self.get_system_message_with_memory(memories=memories)
-        chat_messages.append(system_message)
-
-        # Include past conversation history in the message list
-        history_messages = self.memory_service.read_message()
-        if history_messages:
-            chat_messages.extend(history_messages)
-
-        # Append the current user's message to the conversation context
-        chat_messages.append(new_message)
-        self.logger.info(f"chat_messages={chat_messages}")
-
-        # Invoke the Language Model with the constructed message context, respecting streaming setting
-        resp = self.generation_model.call(messages=chat_messages,
-                                          stream=self.stream,
-                                          **self.generation_model_kwargs)
+                         role_name: Optional[str] = None,
+                         system_prompt: Optional[str] = None,
+                         memory_prompt: Optional[str] = None,
+                         extra_memories: Optional[str] = None,
+                         add_messages: bool = True,
+                         remember_response: bool = True,
+                         **kwargs):
+        resp = super().chat_with_memory(query=query,
+                                        role_name=role_name,
+                                        system_prompt=system_prompt,
+                                        memory_prompt=memory_prompt,
+                                        extra_memories=extra_memories,
+                                        add_messages=add_messages,
+                                        remember_response=remember_response,
+                                        **kwargs)
 
         if self.stream:
-            model_response: ModelResponse | None = None
-            for model_response in resp:
-                questionary.print(model_response.delta, end="")
+            for _resp in resp:
+                questionary.print(_resp.delta, end="")
             questionary.print("")
         else:
-            model_response: ModelResponse = resp
-            questionary.print(model_response.message.content)
-
-        if remember_response and model_response and model_response.message:
-            model_response.message.role_name = self.assistant_name
-            self.memory_service.add_messages([new_message, model_response.message])
+            questionary.print(resp.message.content)
 
     @staticmethod
     def parse_query_command(query: str):
diff --git a/memoryscope/core/config/arguments.py b/memoryscope/core/config/arguments.py
index f6542d3e..44ed574f 100644
--- a/memoryscope/core/config/arguments.py
+++ b/memoryscope/core/config/arguments.py
@@ -12,6 +12,8 @@ class Arguments(object):
 
     logger_name_time_suffix: str = field(default="%Y%m%d_%H%M%S")
 
+    logger_to_screen: bool = field(default=False, metadata={"help": "If false, it does not print to the screen."})
+
     memory_chat_class: str = field(default="cli_memory_chat", metadata={
         "help": "cli_memory_chat(Command-line interaction), api_memory_chat(API interface interaction), etc."})
 
diff --git a/memoryscope/core/config/config_manager.py b/memoryscope/core/config/config_manager.py
index b23eed5c..e30d51e3 100644
--- a/memoryscope/core/config/config_manager.py
+++ b/memoryscope/core/config/config_manager.py
@@ -1,5 +1,6 @@
 import json
 from dataclasses import fields
+from datetime import datetime
 from pathlib import Path
 from typing import Optional, Literal
 
@@ -7,6 +8,7 @@ import yaml
 
 from memoryscope.constants.language_constants import DEFAULT_HUMAN_NAME
 from memoryscope.core.config.arguments import Arguments
+from memoryscope.core.utils.logger import Logger
 from memoryscope.enumeration.language_enum import LanguageEnum
 
 
@@ -23,20 +25,40 @@ class ConfigManager(object):
 
         if config:
             self.config = config
+            self.logger = self._init_logger()
+            self.logger.info("init by config mode:")
 
         elif config_path:
             self.read_config(config_path)
+            self.logger = self._init_logger()
+            self.logger.info("init by config_path mode:")
 
         else:
             self.read_demo_config(demo_config_name)
+            if arguments:
+                self.update_config_by_arguments(arguments)
+                self.logger = self._init_logger()
+                self.logger.info(f"init by arguments mode: {arguments.__dict__}")
 
-        if arguments:
-            self.update_config_by_arguments(arguments)
+            elif kwargs:
+                kwargs = {k: v for k, v in kwargs.items() if k in [x.name for x in fields(Arguments)]}
+                arguments = Arguments(**kwargs)
+                self.update_config_by_arguments(arguments)
+                self.logger = self._init_logger()
+                self.logger.info(f"init by kwargs mode: {kwargs}")
 
-        elif kwargs:
-            key_list = [x.name for x in fields(Arguments)]
-            arguments = Arguments(**{k: v for k, v in kwargs.items() if k in key_list})
-            self.update_config_by_arguments(arguments)
+            else:
+                raise RuntimeError("can not init config manager without kwargs!")
+        self.logger.info(self.dump_config())
+
+    def _init_logger(self) -> Logger:
+        global_config = self.config["global"]
+        logger_name = global_config["logger_name"]
+        logger_name_time_suffix = global_config["logger_name_time_suffix"]
+        if logger_name_time_suffix:
+            suffix = datetime.now().strftime(logger_name_time_suffix)
+            logger_name = f"{logger_name}_{suffix}"
+        return Logger.get_logger(logger_name, to_stream=global_config["logger_to_screen"])
 
     def read_config(self, config_path: str):
         if config_path.endswith(".yaml"):
@@ -60,16 +82,19 @@ class ConfigManager(object):
             "thread_pool_max_workers": arguments.thread_pool_max_workers,
             "logger_name": arguments.logger_name,
             "logger_name_time_suffix": arguments.logger_name_time_suffix,
+            "logger_to_screen": arguments.logger_to_screen,
             "use_dummy_ranker": arguments.use_dummy_ranker,
         })
 
     @staticmethod
     def update_memory_chat_by_arguments(config: dict, arguments: Arguments):
         memory_chat_class_split = config["class"].split(".")
+        stream = arguments.memory_chat_class in ["cli_memory_chat", ]
         config.update({
             "class": ".".join(memory_chat_class_split[:-1] + [arguments.memory_chat_class]),
             "human_name": DEFAULT_HUMAN_NAME[LanguageEnum(arguments.language)],
             "assistant_name": "AI",
+            "stream": stream,
         })
 
     @staticmethod
diff --git a/memoryscope/core/config/demo_config.yaml b/memoryscope/core/config/demo_config.yaml
index 88680e7a..60db4b34 100644
--- a/memoryscope/core/config/demo_config.yaml
+++ b/memoryscope/core/config/demo_config.yaml
@@ -3,6 +3,7 @@ global:
   thread_pool_max_workers: 5
   logger_name: memoryscope
   logger_name_time_suffix: "%Y%m%d_%H%M%S"
+  logger_to_screen: false
   use_dummy_ranker: false
 
 memory_chat:
@@ -86,7 +87,7 @@ worker:
       obs_customized: 1.2
       insight: 2.0
     fuse_time_ratio: 2.0
-    fuse_rerank_top_k: 10
+    fuse_rerank_top_k: 20
   retrieve_top_memory:
     class: core.worker.frontend.retrieve_memory_worker
     retrieve_obs_top_k: 100
diff --git a/memoryscope/core/memoryscope.py b/memoryscope/core/memoryscope.py
index 54b429b9..1f1ece7b 100644
--- a/memoryscope/core/memoryscope.py
+++ b/memoryscope/core/memoryscope.py
@@ -1,11 +1,9 @@
-import datetime
 from concurrent.futures import ThreadPoolExecutor
 
 from memoryscope.core.chat.base_memory_chat import BaseMemoryChat
 from memoryscope.core.config.config_manager import ConfigManager
 from memoryscope.core.memoryscope_context import MemoryscopeContext
 from memoryscope.core.service.base_memory_service import BaseMemoryService
-from memoryscope.core.utils.logger import Logger
 from memoryscope.core.utils.tool_functions import init_instance_by_config
 from memoryscope.enumeration.language_enum import LanguageEnum
 from memoryscope.enumeration.model_enum import ModelEnum
@@ -15,21 +13,9 @@ class MemoryScope(ConfigManager):
 
     def __init__(self, **kwargs):
         super().__init__(**kwargs)
-
-        self.logger = self._init_logger()
-
         self.context: MemoryscopeContext = MemoryscopeContext()
         self.init_context_by_config()
 
-    def _init_logger(self) -> Logger:
-        global_config = self.config["global"]
-        logger_name = global_config["logger_name"]
-        logger_name_time_suffix = global_config["logger_name_time_suffix"]
-        if logger_name_time_suffix:
-            suffix = datetime.datetime.now().strftime(logger_name_time_suffix)
-            logger_name = f"{logger_name}_{suffix}"
-        return Logger.get_logger(logger_name, to_stream=False)
-
     def init_context_by_config(self):
         # set global config
         global_conf = self.config["global"]
@@ -86,6 +72,7 @@ class MemoryScope(ConfigManager):
 
     def __enter__(self):
         self.init_context_by_config()
+        return self
 
     def __exit__(self, exc_type, exc_val, exc_tb):
         self.close()
diff --git a/memoryscope/core/utils/logger.py b/memoryscope/core/utils/logger.py
index 9f400c6d..52d286f8 100644
--- a/memoryscope/core/utils/logger.py
+++ b/memoryscope/core/utils/logger.py
@@ -105,7 +105,8 @@ class Logger(logging.Logger):
         by the handlers are freed properly.
         """
         for handler in self.handlers:
-            handler.close()  # ⭐ Close each handler to release resources
+            # Close each handler to release resources
+            handler.close()
 
     def clear(self):
         """