diff --git a/config/demo_config.yaml b/config/demo_config.yaml
index 33ed7954..c2aa5890 100644
--- a/config/demo_config.yaml
+++ b/config/demo_config.yaml
@@ -65,4 +65,8 @@ worker:
     generation_model: dashscope_generation
     embedding_model: dashscope_embedding
     rank_model: dashscope_rank
+  retrieve_store_worker:
+    class: memory.worker.read.retrieve_store_worker
+    retrieve_obs_top_k: 100
+    retrieve_ins_pf_top_k: 100
 
diff --git a/memory_scope/constants/common_constants.py b/memory_scope/constants/common_constants.py
index c38ed926..7863f55c 100644
--- a/memory_scope/constants/common_constants.py
+++ b/memory_scope/constants/common_constants.py
@@ -8,6 +8,7 @@ CHAT_KWARGS = "chat_kwargs"
 
 QUERY_WITH_TS = "query_with_ts"
 
+RETRIEVE_MEMORY_NODES = "RETRIEVE_MEMORY_NODES"
 
 
 
diff --git a/memory_scope/memory/worker/base_worker.py b/memory_scope/memory/worker/base_worker.py
index 85426cc3..a62cc1f7 100644
--- a/memory_scope/memory/worker/base_worker.py
+++ b/memory_scope/memory/worker/base_worker.py
@@ -1,3 +1,4 @@
+import asyncio
 from abc import ABCMeta, abstractmethod
 from typing import Any, Dict
 
@@ -25,6 +26,13 @@ class BaseWorker(metaclass=ABCMeta):
         self.continue_run: bool = True
         self.logger: Logger = Logger.get_logger()
 
+    @staticmethod
+    def _async_run(fn_list, *args, **kwargs):
+        async def async_gather():
+            return await asyncio.gather(*[fn(*args, **kwargs) for fn in fn_list])
+
+        return asyncio.run(async_gather())
+
     @abstractmethod
     def _run(self):
         raise NotImplementedError
diff --git a/memory_scope/memory/worker/read/extract_time_worker.py b/memory_scope/memory/worker/read/extract_time_worker.py
index 34107113..1cbc0381 100644
--- a/memory_scope/memory/worker/read/extract_time_worker.py
+++ b/memory_scope/memory/worker/read/extract_time_worker.py
@@ -7,7 +7,7 @@ from memory_scope.utils.tool_functions import time_to_formatted_str
 
 
 class ExtractTimeWorker(MemoryBaseWorker):
-    Extract_Time_PATTERN = r'-\s*(\S+)：(\d+)'
+    EXTRACT_TIME_PATTERN = r'-\s*(\S+)：(\d+)'
 
     def _run(self):
         query, query_timestamp = self.get_context(QUERY_WITH_TS)
@@ -44,7 +44,7 @@ class ExtractTimeWorker(MemoryBaseWorker):
 
         # re-match time info to dict
         extract_time_dict = {}
-        matches = re.findall(self.Extract_Time_PATTERN, response_text)
+        matches = re.findall(self.EXTRACT_TIME_PATTERN, response_text)
         for key, value in matches:
             if key in DATATIME_KEY_MAP.keys():
                 extract_time_dict[DATATIME_KEY_MAP[key]] = value
diff --git a/memory_scope/memory/worker/read/retrieve_store_worker.py b/memory_scope/memory/worker/read/retrieve_store_worker.py
new file mode 100644
index 00000000..4da85f70
--- /dev/null
+++ b/memory_scope/memory/worker/read/retrieve_store_worker.py
@@ -0,0 +1,44 @@
+from typing import List
+
+from memory_scope.constants.common_constants import QUERY_WITH_TS, RETRIEVE_MEMORY_NODES
+from memory_scope.enumeration.memory_status_enum import MemoryNodeStatus
+from memory_scope.enumeration.memory_type_enum import MemoryTypeEnum
+from memory_scope.memory.worker.memory_base_worker import MemoryBaseWorker
+from memory_scope.scheme.memory_node import MemoryNode
+
+
+class RetrieveStoreWorker(MemoryBaseWorker):
+
+    async def retrieve_from_observation(self, query: str) -> List[MemoryNode]:
+        filter_dict = {
+            "user_id": self.user_id,
+            "status": MemoryNodeStatus.ACTIVE.value,
+            "memory_type": [MemoryTypeEnum.OBSERVATION.value, MemoryTypeEnum.OBS_CUSTOMIZED.value],
+        }
+        return await self.vector_store.async_retrieve(query=query,
+                                                      top_k=self.retrieve_obs_top_k,
+                                                      filter_dict=filter_dict)
+
+    async def retrieve_from_insight_and_profile(self, query: str) -> List[MemoryNode]:
+        filter_dict = {
+            "user_id": self.user_id,
+            "status": MemoryNodeStatus.ACTIVE.value,
+            "memory_type": [MemoryTypeEnum.INSIGHT.value, MemoryTypeEnum.PROFILE.value],
+        }
+        return await self.vector_store.async_retrieve(query=query,
+                                                      top_k=self.retrieve_ins_pf_top_k,
+                                                      filter_dict=filter_dict)
+
+    def _run(self):
+        query, _ = self.get_context(QUERY_WITH_TS)
+        memory_node_list: List[MemoryNode] = []
+        fn_list = [self.retrieve_from_observation, self.retrieve_from_insight_and_profile]
+        for result in self._async_run(fn_list=fn_list, query=query):
+            if result:
+                memory_node_list.extend(result)
+        memory_node_list = sorted(memory_node_list, key=lambda x: x.score_similar, reverse=True)
+
+        self.logger.info(f"memory_node_list.size={len(memory_node_list)}")
+        for i, node in enumerate(memory_node_list):
+            self.logger.info(f"{i}: node={node.content} score={node.score_similar} type={node.memory_type}")
+        self.set_context(RETRIEVE_MEMORY_NODES, memory_node_list)
diff --git a/memory_scope/storage/base_vector_store.py b/memory_scope/storage/base_vector_store.py
index 9c5589b8..d0ba4f6f 100644
--- a/memory_scope/storage/base_vector_store.py
+++ b/memory_scope/storage/base_vector_store.py
@@ -7,11 +7,11 @@ from memory_scope.scheme.memory_node import MemoryNode
 class BaseVectorStore(metaclass=ABCMeta):
 
     @abstractmethod
-    def retrieve(self, query: str, top_k: int, filter_dict: Dict[str, List[str]]):
+    def retrieve(self, query: str, top_k: int, filter_dict: Dict[str, List[str]]) -> List[MemoryNode]:
         pass
 
     @abstractmethod
-    async def async_retrieve(self, query: str, top_k: int, filter_dict: Dict[str, List[str]]):
+    async def async_retrieve(self, query: str, top_k: int, filter_dict: Dict[str, List[str]]) -> List[MemoryNode]:
         pass
 
     @abstractmethod