diff --git a/.gitignore b/.gitignore
index 51164732..efc9bea1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,6 +34,7 @@ test_compact_storage/*
 test_working_memory/*
 *.code-workspace
 local_vector_store/*
+reme_local_memory/*
 chroma_vector_store/*
 bench_results/*
 meta_memory/*
diff --git a/reme/agent/memory/base_memory_agent.py b/reme/agent/memory/base_memory_agent.py
index 72c90634..361a6676 100644
--- a/reme/agent/memory/base_memory_agent.py
+++ b/reme/agent/memory/base_memory_agent.py
@@ -29,16 +29,19 @@ class BaseMemoryAgent(BaseReact, metaclass=ABCMeta):
         from ...tool.memory import ReadUserProfile
 
         read_tool = ReadUserProfile(show_id=show_id)
-        await read_tool.call(memory_target=self.memory_target)
+        await read_tool.call(memory_target=self.memory_target, service_context=self.service_context)
         return str(read_tool.response.answer)
 
-    @staticmethod
-    async def read_history_node() -> MemoryNode:
-        """Read and return the current history node from the context."""
+    async def add_history_node(self) -> MemoryNode:
+        """Add history node"""
         from ...tool.memory import AddHistory
 
         add_history_tool = AddHistory()
-        await add_history_tool.call()
+        await add_history_tool.call(
+            messages=self.messages,
+            description=self.description,
+            service_context=self.service_context,
+        )
         return add_history_tool.context.history_node
 
     @property
diff --git a/reme/agent/memory/default/personal_retriever.py b/reme/agent/memory/default/personal_retriever.py
index 1bafa317..13197304 100644
--- a/reme/agent/memory/default/personal_retriever.py
+++ b/reme/agent/memory/default/personal_retriever.py
@@ -3,7 +3,7 @@
 from ..base_memory_agent import BaseMemoryAgent
 from ....core.enumeration import Role, MemoryType
 from ....core.op import BaseTool
-from ....core.schema import Message
+from ....core.schema import Message, MemoryNode
 from ....core.utils import format_messages
 
 
@@ -12,6 +12,10 @@ class PersonalRetriever(BaseMemoryAgent):
 
     memory_type: MemoryType = MemoryType.PERSONAL
 
+    def __init__(self, **kwargs):
+        super().__init__(**kwargs)
+        self.retrieved_nodes: list[MemoryNode] = []
+
     async def build_messages(self) -> list[Message]:
         if self.context.get("query"):
             context = self.context.query
@@ -52,5 +56,6 @@ class PersonalRetriever(BaseMemoryAgent):
             step,
             memory_type=self.memory_type.value,
             memory_target=self.memory_target,
+            retrieved_nodes=self.retrieved_nodes,
             **kwargs,
         )
diff --git a/reme/agent/memory/default/personal_summarizer.py b/reme/agent/memory/default/personal_summarizer.py
index a317b713..ef14a1d0 100644
--- a/reme/agent/memory/default/personal_summarizer.py
+++ b/reme/agent/memory/default/personal_summarizer.py
@@ -5,7 +5,7 @@ from loguru import logger
 from ..base_memory_agent import BaseMemoryAgent
 from ....core.enumeration import Role, MemoryType
 from ....core.op import BaseTool
-from ....core.schema import Message
+from ....core.schema import Message, MemoryNode
 
 
 class PersonalSummarizer(BaseMemoryAgent):
@@ -13,6 +13,10 @@ class PersonalSummarizer(BaseMemoryAgent):
 
     memory_type: MemoryType = MemoryType.PERSONAL
 
+    def __init__(self, **kwargs):
+        super().__init__(**kwargs)
+        self.retrieved_nodes: list[MemoryNode] = []
+
     async def _build_phase1_messages(self) -> list[Message]:
         """Build messages for phase 1: retrieve and add memory."""
         return [
@@ -68,6 +72,7 @@ class PersonalSummarizer(BaseMemoryAgent):
             memory_target=self.memory_target,
             history_node=self.history_node,
             author=self.author,
+            retrieved_nodes=self.retrieved_nodes,
             **kwargs,
         )
 
@@ -75,7 +80,7 @@ class PersonalSummarizer(BaseMemoryAgent):
         """Execute two-phase memory processing: retrieve/add -> update profile."""
         tools = self.tools
         for i, tool in enumerate(tools):
-            logger.info(f"[{self.__class__.__name__}] tool_call[{i}]={tool.tool_call.name}")
+            logger.info(f"[{self.__class__.__name__}] tool_call[{i}]={tool.tool_call.simple_input_dump(as_dict=False)}")
 
         messages_phase1 = await self._build_phase1_messages()
         for i, message in enumerate(messages_phase1):
diff --git a/reme/agent/memory/default/reme_retriever.py b/reme/agent/memory/default/reme_retriever.py
index 4b4c3e22..46657344 100644
--- a/reme/agent/memory/default/reme_retriever.py
+++ b/reme/agent/memory/default/reme_retriever.py
@@ -52,15 +52,13 @@ class ReMeRetriever(BaseMemoryAgent):
             description=self.description,
             messages=self.messages,
             query=self.query,
-            history_node=self.history_node,
             author=self.author,
             **kwargs,
         )
 
     async def execute(self):
-        await super().execute()
-
-        tools: list[BaseTool] = self.response.metadata["tools"]
+        result = await super().execute()
+        tools: list[BaseTool] = result["tools"]
         hands_off_tool = tools[0]
         agents: list[BaseMemoryAgent] = hands_off_tool.response.metadata["agents"]
 
@@ -70,7 +68,7 @@ class ReMeRetriever(BaseMemoryAgent):
         tools = []
         for agent in agents:
             answer += "\n" + agent.response.answer
-            success = success and agent.response.metadata["success"]
+            success = success and agent.response.success
             messages += agent.response.metadata["messages"]
             tools += agent.response.metadata["tools"]
 
diff --git a/reme/agent/memory/default/reme_summarizer.py b/reme/agent/memory/default/reme_summarizer.py
index e802f908..9cae5cbd 100644
--- a/reme/agent/memory/default/reme_summarizer.py
+++ b/reme/agent/memory/default/reme_summarizer.py
@@ -14,7 +14,7 @@ class ReMeSummarizer(BaseMemoryAgent):
         self.meta_memories: list[dict] = meta_memories or []
 
     async def build_messages(self) -> list[Message]:
-        self.context.history_node = await self.read_history_node()
+        self.context.history_node = await self.add_history_node()
 
         messages = [
             Message(
@@ -53,9 +53,8 @@ class ReMeSummarizer(BaseMemoryAgent):
         )
 
     async def execute(self):
-        await super().execute()
-
-        tools: list[BaseTool] = self.response.metadata["tools"]
+        result = await super().execute()
+        tools: list[BaseTool] = result["tools"]
         hands_off_tool = tools[0]
         agents: list[BaseMemoryAgent] = hands_off_tool.response.metadata["agents"]
 
@@ -65,7 +64,7 @@ class ReMeSummarizer(BaseMemoryAgent):
         tools = []
         for agent in agents:
             answer += "\n" + agent.response.answer
-            success = success and agent.response.metadata["success"]
+            success = success and agent.response.success
             messages += agent.response.metadata["messages"]
             tools += agent.response.metadata["tools"]
 
diff --git a/reme/core/context/prompt_handler.py b/reme/core/context/prompt_handler.py
index e6b6d737..e93ee4c2 100644
--- a/reme/core/context/prompt_handler.py
+++ b/reme/core/context/prompt_handler.py
@@ -101,7 +101,6 @@ class PromptHandler(BaseContext):
             prompt_file_path = Path(prompt_file_path)
 
         if not prompt_file_path.exists():
-            logger.warning(f"Prompt file not found: {prompt_file_path}")
             return self
 
         suffix = prompt_file_path.suffix.lower()
@@ -117,7 +116,6 @@ class PromptHandler(BaseContext):
                         f"Unsupported file format: {suffix}. " f"Supported formats: .yaml, .yml, .json",
                     )
 
-            logger.info(f"Loaded {len(prompt_dict or {})} prompts from {prompt_file_path}")
             self.load_prompt_dict(prompt_dict, overwrite=overwrite)
 
         except (yaml.YAMLError, json.JSONDecodeError) as e:
diff --git a/reme/core/op/base_op.py b/reme/core/op/base_op.py
index ffa9f14b..9c2dff71 100644
--- a/reme/core/op/base_op.py
+++ b/reme/core/op/base_op.py
@@ -94,12 +94,12 @@ class BaseOp(metaclass=ABCMeta):
 
     def _handle_failure(self, e: Exception, attempt: int) -> str | None:
         """Log failures and handle final retry logic."""
-        message = f"[{self.__class__.__name__}] {self.name} failed (attempt {attempt + 1}): {e}"
+        message = f"[{self.__class__.__name__}] failed (attempt {attempt + 1}): {e}"
         if attempt == self.max_retries - 1:
             logger.exception(message)
             if self.raise_exception:
                 raise e
-            return f"{self.name} failed: {e}"
+            return f"[{self.__class__.__name__}] failed: {e}"
         else:
             logger.warning(message)
             return None
@@ -178,7 +178,7 @@ class BaseOp(metaclass=ABCMeta):
                     if k == "answer":
                         self.response.answer = v
                     elif k == "success":
-                        self.response.success = v.lower() == "true"
+                        self.response.success = v if isinstance(v, bool) else v.lower() == "true"
                     else:
                         self.response.metadata[k] = v
             else:
@@ -262,7 +262,7 @@ class BaseOp(metaclass=ABCMeta):
                 if isinstance(result, list):
                     results.extend(result)
                 else:
-                    result.append(result)
+                    results.append(result)
         self._pending_tasks.clear()
         return results
 
diff --git a/reme/core/op/base_react.py b/reme/core/op/base_react.py
index 5b24e30d..95302138 100644
--- a/reme/core/op/base_react.py
+++ b/reme/core/op/base_react.py
@@ -102,7 +102,7 @@ class BaseReact(BaseOp):
 
             # Create isolated kwargs for each tool call to avoid parameter conflicts
             tool_kwargs = {**kwargs, **tool_call.argument_dict}
-            self.submit_async_task(tool_copy.call, **tool_kwargs)
+            self.submit_async_task(tool_copy.call, service_context=self.service_context, **tool_kwargs)
             if self.tool_call_interval > 0:
                 await asyncio.sleep(self.tool_call_interval)
 
diff --git a/reme/core/vector_store/base_vector_store.py b/reme/core/vector_store/base_vector_store.py
index 40a84e99..cc15101b 100644
--- a/reme/core/vector_store/base_vector_store.py
+++ b/reme/core/vector_store/base_vector_store.py
@@ -91,6 +91,16 @@ class BaseVectorStore(ABC):
     async def get(self, vector_ids: str | list[str]) -> VectorNode | list[VectorNode]:
         """Fetch specific vector nodes from the collection by their IDs."""
 
+    async def dump(self) -> list[VectorNode]:
+        """Dump the vector store to a list of vector nodes."""
+        return await self.list()
+
+    async def load(self, nodes: list[VectorNode]):
+        """Load the vector store from a list of vector nodes."""
+        await self.delete_all()
+        if nodes:
+            await self.insert(nodes)
+
     @abstractmethod
     async def list(
         self,
diff --git a/reme/reme.py b/reme/reme.py
index d304b351..255c6a1d 100644
--- a/reme/reme.py
+++ b/reme/reme.py
@@ -108,13 +108,13 @@ class ReMe:
     ):
         """Summarize messages and store them in memory for the specified user(s)."""
         if user_name:
-            for message in messages and isinstance(user_name, str):
-                if isinstance(message, dict) and not message.get("name"):
-                    message["name"] = user_name
-                elif isinstance(message, Message) and not message.name:
-                    message.name = user_name
 
             if isinstance(user_name, str):
+                for message in messages:
+                    if isinstance(message, dict) and not message.get("name"):
+                        message["name"] = user_name
+                    elif isinstance(message, Message) and not message.name:
+                        message.name = user_name
                 user_name = [user_name]
 
             if not meta_memories:
@@ -147,7 +147,12 @@ class ReMe:
             else:
                 raise NotImplementedError
 
-            return await reme_summarizer.call(messages=messages, description=description, **kwargs)
+            return await reme_summarizer.call(
+                messages=messages,
+                description=description,
+                service_context=self.service_context,
+                **kwargs,
+            )
 
         else:
             raise NotImplementedError
@@ -166,14 +171,13 @@ class ReMe:
     ):
         """Retrieve relevant memories for the specified user(s) based on query or messages."""
         if user_name:
-            if messages:
-                for message in messages and isinstance(user_name, str):
-                    if isinstance(message, dict) and not message.get("name"):
-                        message["name"] = user_name
-                    elif isinstance(message, Message) and not message.name:
-                        message.name = user_name
-
             if isinstance(user_name, str):
+                if messages:
+                    for message in messages:
+                        if isinstance(message, dict) and not message.get("name"):
+                            message["name"] = user_name
+                        elif isinstance(message, Message) and not message.name:
+                            message.name = user_name
                 user_name = [user_name]
 
             if not meta_memories:
@@ -206,7 +210,13 @@ class ReMe:
             else:
                 raise NotImplementedError
 
-            return await reme_retriever.call(query=query, messages=messages, description=description, **kwargs)
+            return await reme_retriever.call(
+                query=query,
+                messages=messages,
+                description=description,
+                service_context=self.service_context,
+                **kwargs,
+            )
 
         else:
             raise NotImplementedError
diff --git a/reme/tool/memory/hands_off/hands_off.py b/reme/tool/memory/hands_off/hands_off.py
index c2a53872..45822381 100644
--- a/reme/tool/memory/hands_off/hands_off.py
+++ b/reme/tool/memory/hands_off/hands_off.py
@@ -90,7 +90,7 @@ class HandsOff(BaseMemoryTool):
             for k in ["query", "messages", "description", "history_node"]:
                 if k in self.context:
                     task_kwargs[k] = self.context[k]
-            self.submit_async_task(agent.call, **task_kwargs)
+            self.submit_async_task(agent.call, service_context=self.service_context, **task_kwargs)
 
         await self.join_async_tasks()
 
diff --git a/reme/tool/memory/history/add_history.py b/reme/tool/memory/history/add_history.py
index 588d42dc..d9527ff8 100644
--- a/reme/tool/memory/history/add_history.py
+++ b/reme/tool/memory/history/add_history.py
@@ -39,10 +39,10 @@ class AddHistory(BaseMemoryTool):
             author=self.author,
         )
         self.context.history_node = history_node
-        logger.info(f"Adding history node: {history_node.model_dump_json(indent=2, exclude={'content'})}")
+        logger.info(f"Adding history node: {history_node.model_dump_json(indent=2)}")
 
         vector_node = history_node.to_vector_node()
-        await self.vector_store.delete(vector_node.memory_id)
+        await self.vector_store.delete(vector_node.vector_id)
         await self.vector_store.insert([vector_node])
 
         return f"Successfully added history: {history_node.memory_id}"
diff --git a/reme/tool/memory/user_profile/update_user_profile.py b/reme/tool/memory/user_profile/update_user_profile.py
index 93f3a5dc..da561d8e 100644
--- a/reme/tool/memory/user_profile/update_user_profile.py
+++ b/reme/tool/memory/user_profile/update_user_profile.py
@@ -106,4 +106,4 @@ class UpdateUserProfile(BaseMemoryTool):
             operations.append(f"added {len(new_nodes)} new profiles.")
         operations.append("Operation completed.")
         logger.info("\n".join(operations))
-        return operations
+        return "\n".join(operations)
diff --git a/reme/tool/memory/vector/retrieve_memory.py b/reme/tool/memory/vector/retrieve_memory.py
index de20a1df..a83a1dae 100644
--- a/reme/tool/memory/vector/retrieve_memory.py
+++ b/reme/tool/memory/vector/retrieve_memory.py
@@ -122,7 +122,16 @@ class RetrieveMemory(BaseMemoryTool):
         if not new_memory_nodes:
             output = "No new memory_nodes found matching the query (duplicates removed)."
         else:
-            output = "\n".join([m.format_memory() for m in new_memory_nodes])
+            outputs = []
+            for node in new_memory_nodes:
+                line = ""
+                if "conversation_time" in node.metadata and node.metadata["conversation_time"]:
+                    line += f"conversation_time={node.metadata['conversation_time']} "
+                line += node.content.strip() + " "
+                if node.ref_memory_id:
+                    line += f"history_id={node.ref_memory_id} "
+                outputs.append(line.strip())
+            output = "\n".join(outputs)
 
         logger.info(f"Retrieved {len(memory_nodes)} memory_nodes, {len(new_memory_nodes)} new after deduplication")
         return output
diff --git a/tests/test_reme.py b/tests/test_reme.py
index f5929122..a4f383cf 100644
--- a/tests/test_reme.py
+++ b/tests/test_reme.py
@@ -2,12 +2,10 @@
 
 import asyncio
 
+from reme import ReMe
 from reme.core.schema import VectorNode, MemoryNode
-from reme.reme import ReMe
 
-reme = ReMe(
-    vector_store={"collection_name": "reme"},
-)
+reme = ReMe(vector_store={"collection_name": "reme"})
 
 
 async def test_reme():
@@ -71,7 +69,7 @@ async def test_reme():
     nodes: list[VectorNode] = await reme.default_vector_store.list()
     for i, node in enumerate(nodes, 1):
         memory_node = MemoryNode.from_vector_node(node)
-        print(f"{i} {memory_node.memory_type} {memory_node.memory_target} {memory_node.format_memory()}")
+        print(f"{i} {memory_node.model_dump_json()}")
 
     print("\n" + "=" * 60)
     print("步骤3: 测试记忆检索 - 验证个人信息")