diff --git a/examples/knowledge_embedding/pdf_embedding_test.py b/examples/knowledge_embedding/pdf_embedding_test.py
new file mode 100644
index 000000000..03aa35d23
--- /dev/null
+++ b/examples/knowledge_embedding/pdf_embedding_test.py
@@ -0,0 +1,10 @@
+from pilot.source_embedding.pdf_embedding import PDFEmbedding
+
+path = "xxx.pdf"
+model_name = "/Users/chenketing/Desktop/project/all-MiniLM-L6-v2"
+vector_store_path = "/pilot/source_embedding/"
+
+
+pdf_embedding = PDFEmbedding(file_path=path, model_name=model_name, vector_store_config={"vector_store_name": "ob", "vector_store_path": "vector_store_path"})
+pdf_embedding.source_embedding()
+print("success")
\ No newline at end of file
diff --git a/pilot/source_embedding/Text2Vectors.py b/pilot/source_embedding/Text2Vectors.py
deleted file mode 100644
index 99b03bc75..000000000
--- a/pilot/source_embedding/Text2Vectors.py
+++ /dev/null
@@ -1,17 +0,0 @@
-from typing import List
-from langchain.embeddings.huggingface import HuggingFaceEmbeddings
-import torch
-
-
-device = "cuda" if torch.cuda.is_available() else "cpu"
-from langchain.embeddings.base import Embeddings
-
-
-
-class Text2Vectors(Embeddings):
-    def embed_documents(self, texts: List[str]) -> List[List[float]]:
-        """Embed search docs."""
-
-    def embed_query(self, text: str) -> List[float]:
-        hfemb = HuggingFaceEmbeddings(model_name="/Users/chenketing/Desktop/project/all-MiniLM-L6-v2")
-        return hfemb.embed_documents(text)[0]
\ No newline at end of file
diff --git a/pilot/source_embedding/chroma_test.py b/pilot/source_embedding/chroma_test.py
deleted file mode 100644
index d250f4dde..000000000
--- a/pilot/source_embedding/chroma_test.py
+++ /dev/null
@@ -1,14 +0,0 @@
-from langchain.document_loaders import UnstructuredFileLoader
-from langchain.text_splitter import CharacterTextSplitter
-
-from pilot import TextToVector
-
-path="/Users/chenketing/Downloads/OceanBase-数据库-V4.1.0-OceanBase-介绍.pdf"
-
-
-loader = UnstructuredFileLoader(path)
-text_splitor = CharacterTextSplitter()
-docs = loader.load_and_split(text_splitor)
-
-
-# doc["vector"] = TextToVector.textToVector(doc["content"])[0]
diff --git a/pilot/source_embedding/search_milvus.py b/pilot/source_embedding/search_milvus.py
index 181ca630d..a7898f183 100644
--- a/pilot/source_embedding/search_milvus.py
+++ b/pilot/source_embedding/search_milvus.py
@@ -1,7 +1,6 @@
 from langchain.vectorstores import Milvus
 from pymilvus import Collection,utility
 from pymilvus import connections, DataType, FieldSchema, CollectionSchema
-from pilot.source_embedding.Text2Vectors import Text2Vectors
 
 # milvus = connections.connect(
 #   alias="default",
@@ -43,7 +42,7 @@ milvus = connections.connect(
   port="19530"
 )
 data = ["aaa", "bbb"]
-text_embeddings = Text2Vectors()
+# text_embeddings = Text2Vectors()
 mivuls = Milvus(collection_name='document', embedding_function= text_embeddings, connection_args={"host": "127.0.0.1", "port": "19530", "alias":"default"}, text_field="")
 
 mivuls.from_texts(texts=data, embedding=text_embeddings)
diff --git a/pilot/source_embedding/text_to_vector.py b/pilot/source_embedding/text_to_vector.py
deleted file mode 100644
index 1f8183f91..000000000
--- a/pilot/source_embedding/text_to_vector.py
+++ /dev/null
@@ -1,18 +0,0 @@
-from langchain.embeddings.huggingface import HuggingFaceEmbeddings
-import torch
-
-
-device = "cuda" if torch.cuda.is_available() else "cpu"
-
-
-class TextToVector:
-
-    @staticmethod
-    def textToVector(text):
-        hfemb = HuggingFaceEmbeddings(model_name="/Users/chenketing/Desktop/project/all-MiniLM-L6-v2")
-        return hfemb.embed_documents([text])
-
-    @staticmethod
-    def textlist_to_vector(textlist):
-        hfemb = HuggingFaceEmbeddings(model_name="/Users/chenketing/Desktop/project/all-MiniLM-L6-v2")
-        return hfemb.embed_documents(textlist)
\ No newline at end of file