diff --git a/dbgpt/storage/vector_store/milvus_store.py b/dbgpt/storage/vector_store/milvus_store.py
index c03ede6d0..ea69b35fd 100644
--- a/dbgpt/storage/vector_store/milvus_store.py
+++ b/dbgpt/storage/vector_store/milvus_store.py
@@ -354,8 +354,7 @@ def _add_documents(
         res = self.col.insert(
             insert_list, partition_name=partition_name, timeout=timeout
         )
-        # make sure data is searchable.
-        self.col.flush()
+
         return res.primary_keys
 
     def load_document(self, chunks: List[Chunk]) -> List[str]: