diff --git a/packages/dbgpt-core/src/dbgpt/agent/core/memory/hybrid.py b/packages/dbgpt-core/src/dbgpt/agent/core/memory/hybrid.py
index 2d46d3951..2e879804b 100644
--- a/packages/dbgpt-core/src/dbgpt/agent/core/memory/hybrid.py
+++ b/packages/dbgpt-core/src/dbgpt/agent/core/memory/hybrid.py
@@ -69,7 +69,7 @@ class HybridMemory(Memory, Generic[T]):
     @classmethod
     def from_chroma(
         cls,
-        vstore_name: Optional[str] = "_chroma_agent_memory_",
+        vstore_name: Optional[str] = "agent_memory_long_term",
         vstore_path: Optional[str] = None,
         embeddings: Optional[Embeddings] = None,
         executor: Optional[Executor] = None,
diff --git a/packages/dbgpt-core/src/dbgpt/agent/resource/tool/pack.py b/packages/dbgpt-core/src/dbgpt/agent/resource/tool/pack.py
index 1cbb8a4c1..424768d84 100644
--- a/packages/dbgpt-core/src/dbgpt/agent/resource/tool/pack.py
+++ b/packages/dbgpt-core/src/dbgpt/agent/resource/tool/pack.py
@@ -102,6 +102,7 @@ class ToolPack(ResourcePack):
         args: Optional[Dict[str, Any]] = None,
         function: Optional[Callable] = None,
         parse_execute_args_func: Optional[PARSE_EXECUTE_ARGS_FUNCTION] = None,
+        overwrite: bool = False,
     ) -> None:
         """Add a command to the commands.
 
@@ -118,6 +119,8 @@ class ToolPack(ResourcePack):
                 the command is executed. Defaults to None.
             parse_execute_args (callable, optional): A callable function to parse the
                 execute arguments. Defaults to None.
+            overwrite (bool, optional): Whether to overwrite the command if it already
+                exists. Defaults to False.
         """
         if args is not None:
             tool_args = {}
@@ -151,7 +154,7 @@ class ToolPack(ResourcePack):
             description=command_label,
             parse_execute_args_func=parse_execute_args_func,
         )
-        self.append(ft)
+        self.append(ft, overwrite=overwrite)
 
     def _get_execution_tool(
         self,
@@ -347,6 +350,7 @@ class MCPToolPack(ToolPack):
         ssl_verify: Optional[Dict[str, Union[ssl.SSLContext, str, bool]]] = None,
         default_ssl_verify: Union[ssl.SSLContext, str, bool] = True,
         default_ssl_cafile: Optional[str] = None,
+        overwrite_same_tool: bool = True,
         **kwargs,
     ):
         """Create an Auto-GPT plugin tool pack."""
@@ -363,6 +367,7 @@ class MCPToolPack(ToolPack):
         self._default_ssl_verify = default_ssl_verify
         self._ssl_verify_map = ssl_verify or {}
         self.server_ssl_verify_map = {}
+        self._overwrite_same_tool = overwrite_same_tool
 
     def switch_mcp_input_schema(self, input_schema: dict):
         args = {}
@@ -450,5 +455,6 @@ class MCPToolPack(ToolPack):
                             args,
                             call_mcp_tool,
                             parse_execute_args_func=json_parse_execute_args_func,
+                            overwrite=self._overwrite_same_tool,
                         )
         self._loaded = True
diff --git a/packages/dbgpt-serve/src/dbgpt_serve/agent/agents/controller.py b/packages/dbgpt-serve/src/dbgpt_serve/agent/agents/controller.py
index 02c97fb85..2cde0f370 100644
--- a/packages/dbgpt-serve/src/dbgpt_serve/agent/agents/controller.py
+++ b/packages/dbgpt-serve/src/dbgpt_serve/agent/agents/controller.py
@@ -142,7 +142,7 @@ class MultiAgents(BaseComponent, ABC):
         ).create()
 
         storage_manager = StorageManager.get_instance(self.system_app)
-        index_name = "_agent_memory_"
+        index_name = "agent_memory_long_term"
         vector_store = storage_manager.create_vector_store(index_name=index_name)
         if not vector_store.vector_name_exists():
             vector_store.create_collection(collection_name=index_name)