diff --git a/reme_ai/config/default.yaml b/reme_ai/config/default.yaml
index 7a014111..5be66ac2 100644
--- a/reme_ai/config/default.yaml
+++ b/reme_ai/config/default.yaml
@@ -42,7 +42,7 @@ flow:
         type: "str"
         description: "workspace id"
         required: true
-      memory_dicts:
+      memory_list:
         type: "list"
         description: "A list of retrieved task memory corresponding to the current task."
         required: true
@@ -68,15 +68,6 @@ flow:
         description: "The utility/freq threshold for deleting task memory."
         required: true
 
-  agent_task:
-    flow_content: react_op
-    description: "A React-capable agent that can utilize web search and code execution tools."
-    input_schema:
-      query:
-        type: "str"
-        description: "current query"
-        required: true
-
   vector_store:
     flow_content: vector_store_action_op
     description: "directly operate the vector store."
@@ -105,23 +96,6 @@ flow:
         description: "A list of conversation trajectory information, including message content and score. This field does not need to be filled in, the system will complete it automatically."
         required: false
 
-  retrieve_task_memory_simple:
-    flow_content: build_query_op >> recall_vector_store_op >> merge_memory_op
-    description: "Retrieve the most relevant top_k memory experience from historical memory based on the query to help solve tasks better now"
-    input_schema:
-      query:
-        type: "str"
-        description: "current query"
-        required: true
-
-  summary_task_memory_simple:
-    flow_content: simple_summary_op >> update_vector_store_op
-    description: "Summarize trajectories or messages into memories"
-    input_schema:
-      trajectories:
-        type: "list"
-        description: "A list of conversation trajectory information, including message content and score. This field does not need to be filled in, the system will complete it automatically."
-        required: false
 
 op:
   # retriever ops
diff --git a/reme_ai/vector_store/vector_store_action_op.py b/reme_ai/vector_store/vector_store_action_op.py
index 7d41dec4..34c4ff9f 100644
--- a/reme_ai/vector_store/vector_store_action_op.py
+++ b/reme_ai/vector_store/vector_store_action_op.py
@@ -1,7 +1,7 @@
 from flowllm import C, BaseLLMOp
 from flowllm.schema.vector_node import VectorNode
 
-from reme_ai.schema.memory import vector_node_to_memory, dict_to_experience, BaseMemory
+from reme_ai.schema.memory import vector_node_to_memory, dict_to_memory, BaseMemory
 
 
 @C.register_op()
@@ -35,27 +35,12 @@ class VectorStoreActionOp(BaseLLMOp):
         elif action == "load":
             path: str = self.context.path
             def memory_dict_to_node(memory_dict: dict) -> VectorNode:
-                memory: BaseMemory = dict_to_experience(memory_dict=memory_dict)
+                memory: BaseMemory = dict_to_memory(memory_dict=memory_dict)
                 return memory.to_vector_node()
 
             result = self.vector_store.load_workspace(workspace_id=workspace_id,
                                                       path=path,
                                                       callback_fn=memory_dict_to_node)
-
-        elif action == "update_freq":
-            memory_ids: list = self.context.memory_ids
-            result = self.vector_store.update_freq(workspace_id=workspace_id, node_ids=memory_ids)
-        
-        elif action == "update_utility":
-            memory_ids: list = self.context.memory_ids
-            result = self.vector_store.update_utility(workspace_id=workspace_id, node_ids=memory_ids)
-        
-        elif action == "utility_based_delete":
-            freq_threshold: int = self.context.freq_threshold
-            utility_threshold: float = self.context.utility_threshold
-            result = self.vector_store.utility_based_delete(workspace_id=workspace_id, 
-                                                            freq_threshold=freq_threshold, 
-                                                            utility_threshold=utility_threshold)
         
         else:
             raise ValueError(f"invalid action={action}")