diff --git a/packages/dbgpt-ext/src/dbgpt_ext/rag/operators/vector_store.py b/packages/dbgpt-ext/src/dbgpt_ext/rag/operators/vector_store.py
index ed1f3acf4..347ea7791 100644
--- a/packages/dbgpt-ext/src/dbgpt_ext/rag/operators/vector_store.py
+++ b/packages/dbgpt-ext/src/dbgpt_ext/rag/operators/vector_store.py
@@ -58,7 +58,6 @@ class VectorStorageOperator(MapOperator[List[Chunk], List[Chunk]]):
         """Init the datasource operator."""
         MapOperator.__init__(self, **kwargs)
         self._vector_store = vector_store
-        self._embeddings = vector_store.embeddings
         self._max_chunks_once_load = max_chunks_once_load
         self.vector_store = vector_store