diff --git a/document_ai/doc_client.py b/document_ai/doc_client.py
new file mode 100644
index 0000000..a82ab20
--- /dev/null
+++ b/document_ai/doc_client.py
@@ -0,0 +1,8 @@
+import grpc
+import documents_pb2_grpc
+import documents_pb2
+
+print("正在连接...")
+channel = grpc.insecure_channel('localhost:8081')
+
+stub = documents_pb2_grpc.DocumentSearchServiceStub(channel)
diff --git a/document_ai/document_query.proto b/document_ai/document_query.proto
new file mode 100644
index 0000000..4cc520e
--- /dev/null
+++ b/document_ai/document_query.proto
@@ -0,0 +1,16 @@
+syntax = "proto3";
+
+service DocumentQuery {
+  rpc Query(QueryRequest) returns (QueryResponse) {}
+}
+
+
+message QueryRequest {
+  string question = 1;
+  uint64 user_id = 2;
+}
+
+message QueryResponse {
+  string text = 1;
+}
+
diff --git a/document_ai/document_query_pb2.py b/document_ai/document_query_pb2.py
new file mode 100644
index 0000000..11b1ff3
--- /dev/null
+++ b/document_ai/document_query_pb2.py
@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: document_query.proto
+"""Generated protocol buffer code."""
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import descriptor_pool as _descriptor_pool
+from google.protobuf import symbol_database as _symbol_database
+from google.protobuf.internal import builder as _builder
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+
+
+DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x14\x64ocument_query.proto\"1\n\x0cQueryRequest\x12\x10\n\x08question\x18\x01 \x01(\t\x12\x0f\n\x07user_id\x18\x02 \x01(\x04\"\x1d\n\rQueryResponse\x12\x0c\n\x04text\x18\x01 \x01(\t29\n\rDocumentQuery\x12(\n\x05Query\x12\r.QueryRequest\x1a\x0e.QueryResponse\"\x00\x62\x06proto3')
+
+_globals = globals()
+_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals)
+_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'document_query_pb2', _globals)
+if _descriptor._USE_C_DESCRIPTORS == False:
+  DESCRIPTOR._options = None
+  _globals['_QUERYREQUEST']._serialized_start=24
+  _globals['_QUERYREQUEST']._serialized_end=73
+  _globals['_QUERYRESPONSE']._serialized_start=75
+  _globals['_QUERYRESPONSE']._serialized_end=104
+  _globals['_DOCUMENTQUERY']._serialized_start=106
+  _globals['_DOCUMENTQUERY']._serialized_end=163
+# @@protoc_insertion_point(module_scope)
diff --git a/document_ai/document_query_pb2_grpc.py b/document_ai/document_query_pb2_grpc.py
new file mode 100644
index 0000000..74994a9
--- /dev/null
+++ b/document_ai/document_query_pb2_grpc.py
@@ -0,0 +1,66 @@
+# Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!
+"""Client and server classes corresponding to protobuf-defined services."""
+import grpc
+
+import document_query_pb2 as document__query__pb2
+
+
+class DocumentQueryStub(object):
+    """Missing associated documentation comment in .proto file."""
+
+    def __init__(self, channel):
+        """Constructor.
+
+        Args:
+            channel: A grpc.Channel.
+        """
+        self.Query = channel.unary_unary(
+                '/DocumentQuery/Query',
+                request_serializer=document__query__pb2.QueryRequest.SerializeToString,
+                response_deserializer=document__query__pb2.QueryResponse.FromString,
+                )
+
+
+class DocumentQueryServicer(object):
+    """Missing associated documentation comment in .proto file."""
+
+    def Query(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+
+def add_DocumentQueryServicer_to_server(servicer, server):
+    rpc_method_handlers = {
+            'Query': grpc.unary_unary_rpc_method_handler(
+                    servicer.Query,
+                    request_deserializer=document__query__pb2.QueryRequest.FromString,
+                    response_serializer=document__query__pb2.QueryResponse.SerializeToString,
+            ),
+    }
+    generic_handler = grpc.method_handlers_generic_handler(
+            'DocumentQuery', rpc_method_handlers)
+    server.add_generic_rpc_handlers((generic_handler,))
+
+
+ # This class is part of an EXPERIMENTAL API.
+class DocumentQuery(object):
+    """Missing associated documentation comment in .proto file."""
+
+    @staticmethod
+    def Query(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/DocumentQuery/Query',
+            document__query__pb2.QueryRequest.SerializeToString,
+            document__query__pb2.QueryResponse.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
diff --git a/document_ai/documents.proto b/document_ai/documents.proto
new file mode 100644
index 0000000..1cfc135
--- /dev/null
+++ b/document_ai/documents.proto
@@ -0,0 +1,52 @@
+syntax = "proto3";
+
+option go_package="./utils";
+package utils;
+
+message Document {
+  uint64 id = 1;
+  string title = 2;
+  string description = 3;
+  string content = 4;
+  uint64 vector_id = 5;
+  uint64 library_id = 6;
+  uint64 user_id = 7;
+}
+
+message GetDocumentsRequest {
+  string library = 1;
+  string text = 2;
+}
+
+message GetDocumentsResponse {
+  repeated Document documents = 1;
+}
+
+message GetNoVectorDocumentsRequest {
+  Document document = 1;
+}
+
+message GetNoVectorDocumentsResponse {
+  repeated Document documents = 1;
+}
+
+
+message UpdateDocumentRequest {
+  uint64 id = 1;
+  uint64 vector_id = 2;
+}
+
+message UpdateDocumentResponse {
+  Document document = 1;
+}
+
+message GetDocumentByIdRequest {
+  uint64 id = 1;
+}
+
+
+service DocumentSearchService {
+  rpc GetNoVectorDocuments(GetNoVectorDocumentsRequest) returns (GetNoVectorDocumentsResponse);
+  rpc UpdateDocument(UpdateDocumentRequest) returns (UpdateDocumentResponse);
+  rpc GetDocumentById(GetDocumentByIdRequest) returns (Document);
+}
diff --git a/document_ai/documents_pb2.py b/document_ai/documents_pb2.py
new file mode 100644
index 0000000..a38abd4
--- /dev/null
+++ b/document_ai/documents_pb2.py
@@ -0,0 +1,42 @@
+# -*- coding: utf-8 -*-
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: documents.proto
+"""Generated protocol buffer code."""
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import descriptor_pool as _descriptor_pool
+from google.protobuf import symbol_database as _symbol_database
+from google.protobuf.internal import builder as _builder
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+
+
+DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x0f\x64ocuments.proto\x12\x05utils\"\x83\x01\n\x08\x44ocument\x12\n\n\x02id\x18\x01 \x01(\x04\x12\r\n\x05title\x18\x02 \x01(\t\x12\x13\n\x0b\x64\x65scription\x18\x03 \x01(\t\x12\x0f\n\x07\x63ontent\x18\x04 \x01(\t\x12\x11\n\tvector_id\x18\x05 \x01(\x04\x12\x12\n\nlibrary_id\x18\x06 \x01(\x04\x12\x0f\n\x07user_id\x18\x07 \x01(\x04\"4\n\x13GetDocumentsRequest\x12\x0f\n\x07library\x18\x01 \x01(\t\x12\x0c\n\x04text\x18\x02 \x01(\t\":\n\x14GetDocumentsResponse\x12\"\n\tdocuments\x18\x01 \x03(\x0b\x32\x0f.utils.Document\"@\n\x1bGetNoVectorDocumentsRequest\x12!\n\x08\x64ocument\x18\x01 \x01(\x0b\x32\x0f.utils.Document\"B\n\x1cGetNoVectorDocumentsResponse\x12\"\n\tdocuments\x18\x01 \x03(\x0b\x32\x0f.utils.Document\"6\n\x15UpdateDocumentRequest\x12\n\n\x02id\x18\x01 \x01(\x04\x12\x11\n\tvector_id\x18\x02 \x01(\x04\";\n\x16UpdateDocumentResponse\x12!\n\x08\x64ocument\x18\x01 \x01(\x0b\x32\x0f.utils.Document\"$\n\x16GetDocumentByIdRequest\x12\n\n\x02id\x18\x01 \x01(\x04\x32\x8a\x02\n\x15\x44ocumentSearchService\x12_\n\x14GetNoVectorDocuments\x12\".utils.GetNoVectorDocumentsRequest\x1a#.utils.GetNoVectorDocumentsResponse\x12M\n\x0eUpdateDocument\x12\x1c.utils.UpdateDocumentRequest\x1a\x1d.utils.UpdateDocumentResponse\x12\x41\n\x0fGetDocumentById\x12\x1d.utils.GetDocumentByIdRequest\x1a\x0f.utils.DocumentB\tZ\x07./utilsb\x06proto3')
+
+_globals = globals()
+_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals)
+_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'documents_pb2', _globals)
+if _descriptor._USE_C_DESCRIPTORS == False:
+  DESCRIPTOR._options = None
+  DESCRIPTOR._serialized_options = b'Z\007./utils'
+  _globals['_DOCUMENT']._serialized_start=27
+  _globals['_DOCUMENT']._serialized_end=158
+  _globals['_GETDOCUMENTSREQUEST']._serialized_start=160
+  _globals['_GETDOCUMENTSREQUEST']._serialized_end=212
+  _globals['_GETDOCUMENTSRESPONSE']._serialized_start=214
+  _globals['_GETDOCUMENTSRESPONSE']._serialized_end=272
+  _globals['_GETNOVECTORDOCUMENTSREQUEST']._serialized_start=274
+  _globals['_GETNOVECTORDOCUMENTSREQUEST']._serialized_end=338
+  _globals['_GETNOVECTORDOCUMENTSRESPONSE']._serialized_start=340
+  _globals['_GETNOVECTORDOCUMENTSRESPONSE']._serialized_end=406
+  _globals['_UPDATEDOCUMENTREQUEST']._serialized_start=408
+  _globals['_UPDATEDOCUMENTREQUEST']._serialized_end=462
+  _globals['_UPDATEDOCUMENTRESPONSE']._serialized_start=464
+  _globals['_UPDATEDOCUMENTRESPONSE']._serialized_end=523
+  _globals['_GETDOCUMENTBYIDREQUEST']._serialized_start=525
+  _globals['_GETDOCUMENTBYIDREQUEST']._serialized_end=561
+  _globals['_DOCUMENTSEARCHSERVICE']._serialized_start=564
+  _globals['_DOCUMENTSEARCHSERVICE']._serialized_end=830
+# @@protoc_insertion_point(module_scope)
diff --git a/document_ai/documents_pb2_grpc.py b/document_ai/documents_pb2_grpc.py
new file mode 100644
index 0000000..1465f89
--- /dev/null
+++ b/document_ai/documents_pb2_grpc.py
@@ -0,0 +1,132 @@
+# Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!
+"""Client and server classes corresponding to protobuf-defined services."""
+import grpc
+
+import documents_pb2 as documents__pb2
+
+
+class DocumentSearchServiceStub(object):
+    """Missing associated documentation comment in .proto file."""
+
+    def __init__(self, channel):
+        """Constructor.
+
+        Args:
+            channel: A grpc.Channel.
+        """
+        self.GetNoVectorDocuments = channel.unary_unary(
+                '/utils.DocumentSearchService/GetNoVectorDocuments',
+                request_serializer=documents__pb2.GetNoVectorDocumentsRequest.SerializeToString,
+                response_deserializer=documents__pb2.GetNoVectorDocumentsResponse.FromString,
+                )
+        self.UpdateDocument = channel.unary_unary(
+                '/utils.DocumentSearchService/UpdateDocument',
+                request_serializer=documents__pb2.UpdateDocumentRequest.SerializeToString,
+                response_deserializer=documents__pb2.UpdateDocumentResponse.FromString,
+                )
+        self.GetDocumentById = channel.unary_unary(
+                '/utils.DocumentSearchService/GetDocumentById',
+                request_serializer=documents__pb2.GetDocumentByIdRequest.SerializeToString,
+                response_deserializer=documents__pb2.Document.FromString,
+                )
+
+
+class DocumentSearchServiceServicer(object):
+    """Missing associated documentation comment in .proto file."""
+
+    def GetNoVectorDocuments(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+    def UpdateDocument(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+    def GetDocumentById(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+
+def add_DocumentSearchServiceServicer_to_server(servicer, server):
+    rpc_method_handlers = {
+            'GetNoVectorDocuments': grpc.unary_unary_rpc_method_handler(
+                    servicer.GetNoVectorDocuments,
+                    request_deserializer=documents__pb2.GetNoVectorDocumentsRequest.FromString,
+                    response_serializer=documents__pb2.GetNoVectorDocumentsResponse.SerializeToString,
+            ),
+            'UpdateDocument': grpc.unary_unary_rpc_method_handler(
+                    servicer.UpdateDocument,
+                    request_deserializer=documents__pb2.UpdateDocumentRequest.FromString,
+                    response_serializer=documents__pb2.UpdateDocumentResponse.SerializeToString,
+            ),
+            'GetDocumentById': grpc.unary_unary_rpc_method_handler(
+                    servicer.GetDocumentById,
+                    request_deserializer=documents__pb2.GetDocumentByIdRequest.FromString,
+                    response_serializer=documents__pb2.Document.SerializeToString,
+            ),
+    }
+    generic_handler = grpc.method_handlers_generic_handler(
+            'utils.DocumentSearchService', rpc_method_handlers)
+    server.add_generic_rpc_handlers((generic_handler,))
+
+
+ # This class is part of an EXPERIMENTAL API.
+class DocumentSearchService(object):
+    """Missing associated documentation comment in .proto file."""
+
+    @staticmethod
+    def GetNoVectorDocuments(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/utils.DocumentSearchService/GetNoVectorDocuments',
+            documents__pb2.GetNoVectorDocumentsRequest.SerializeToString,
+            documents__pb2.GetNoVectorDocumentsResponse.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
+
+    @staticmethod
+    def UpdateDocument(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/utils.DocumentSearchService/UpdateDocument',
+            documents__pb2.UpdateDocumentRequest.SerializeToString,
+            documents__pb2.UpdateDocumentResponse.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
+
+    @staticmethod
+    def GetDocumentById(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/utils.DocumentSearchService/GetDocumentById',
+            documents__pb2.GetDocumentByIdRequest.SerializeToString,
+            documents__pb2.Document.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
diff --git a/document_ai/init.py b/document_ai/init.py
new file mode 100644
index 0000000..0b8d87e
--- /dev/null
+++ b/document_ai/init.py
@@ -0,0 +1,73 @@
+import os
+
+from langchain.embeddings import OpenAIEmbeddings
+from pymilvus import (
+    connections,
+    utility,
+    FieldSchema,
+    CollectionSchema,
+    DataType,
+    Collection,
+)
+
+# init
+MILVUS_HOST = os.getenv("MILVUS_HOST") or "127.0.0.1"
+MILVUS_PORT = os.getenv("MILVUS_PORT") or "19530"
+
+connections.connect("default", host=MILVUS_HOST, port=MILVUS_PORT)
+
+if not utility.has_collection("leaf_documents"):
+    _document_id = FieldSchema(
+        name="document_id",
+        dtype=DataType.INT64,
+        is_primary=True,
+    )
+    _user_id = FieldSchema(
+        name="user_id",
+        dtype=DataType.INT64,
+
+    )
+    _document_vector = FieldSchema(
+        name="vector",
+        dtype=DataType.FLOAT_VECTOR,
+        dim=1536
+    )
+    schema = CollectionSchema(
+        fields=[_document_id, _user_id, _document_vector],
+        enable_dynamic_field=True
+    )
+    collection_name = "leaf_documents"
+    print("Create collection...")
+    collection = Collection(
+        name=collection_name,
+        schema=schema,
+        using='default',
+        shards_num=2
+    )
+    collection.create_index(
+        field_name="vector",
+        index_params={"metric_type": "L2", "M": 8, "efConstruction": 64, "index_type": "HNSW"},
+    )
+    collection.create_index(
+        field_name="user_id",
+        index_name="idx_user_id"
+    )
+
+collection = Collection("leaf_documents")
+collection.load()
+
+embeddings = OpenAIEmbeddings(model="text-embedding-ada-002")
+
+
+def text_to_vector(text: str):
+    return embeddings.embed_query(text)
+
+
+def insert_document(document_id: int, user_id: int, vector: list):
+    return collection.insert(
+        data=[
+            [document_id],
+            [user_id],
+            [vector]
+        ],
+    ).primary_keys[0]
diff --git a/document_ai/run.py b/document_ai/run.py
new file mode 100644
index 0000000..e69de29
diff --git a/document_ai/search.py b/document_ai/search.py
new file mode 100644
index 0000000..3c2b527
--- /dev/null
+++ b/document_ai/search.py
@@ -0,0 +1,79 @@
+import json
+import documents_pb2
+from langchain import text_splitter
+from langchain.chains.qa_with_sources import load_qa_with_sources_chain
+from langchain.embeddings import OpenAIEmbeddings
+from langchain.llms.openai import OpenAI
+from langchain.schema.document import Document
+from pymilvus import (
+    connections,
+    utility,
+    FieldSchema,
+    CollectionSchema,
+    DataType,
+    Collection,
+)
+
+import init
+import doc_client
+
+
+question = """
+yarn : File C:\\Users\\ivamp\\AppData\\Roaming\\npm\\yarn.ps1 cannot be loaded because running scripts is disabled on this sy
+stem. For more information, see about_Execution_Policies at https:/go.microsoft.com/fwlink/?LinkID=135170.
+At line:1 char:1
++ yarn config set registry https://registry.npm.taobao.org/
++ ~~~~
+    + CategoryInfo          : SecurityError: (:) [], PSSecurityException
+    + FullyQualifiedErrorId : UnauthorizedAccess
+    
+是什么问题，该怎么解决
+"""
+
+vec = init.text_to_vector(question + " (必须使用中文回复)")
+
+# vec = ""
+#
+# with open("../question_vec.json", "r") as f:
+#     vec = json.load(f)
+
+search_param = {
+    "data": [vec],
+    "anns_field": "vector",
+    "param": {"metric_type": "L2"},
+    "limit": 10,
+    "expr": "user_id == 2",
+    "output_fields": ["todo_id", "title", "source", "todo_description", "language", "text", "user_id"],
+}
+res = init.collection.search(**search_param)
+
+document_ids = []
+real_document = []
+
+for i in range(len(res[0])):
+    _doc_id = res[0][i].id
+    print("正在获取 " + str(_doc_id) + " 的内容...")
+
+    try:
+        _doc_content = doc_client.stub.GetDocumentById(documents_pb2.GetDocumentByIdRequest(
+            id=_doc_id
+        ))
+        _doc_content_full = _doc_content.title + "\n" + _doc_content.content
+
+        # real_document.append(_doc_content)
+        doc_obj = Document(page_content=_doc_content_full, metadata={"source": _doc_content.title})
+
+        real_document.append(doc_obj)
+
+    except Exception as e:
+        print(e)
+
+
+
+print(real_document)
+
+print("正在调用 LLM...")
+chain = load_qa_with_sources_chain(OpenAI(temperature=0), chain_type="map_reduce", return_intermediate_steps=True,
+                                   verbose=True)
+output = chain({"input_documents": real_document, "question": question}, return_only_outputs=False)
+print("回复：" + output["output_text"])
diff --git a/document_ai/server.py b/document_ai/server.py
new file mode 100644
index 0000000..64b46ae
--- /dev/null
+++ b/document_ai/server.py
@@ -0,0 +1,80 @@
+import os
+from concurrent import futures
+import document_query_pb2
+import document_query_pb2_grpc
+import grpc
+import documents_pb2
+import init
+import doc_client
+from langchain.llms.openai import OpenAI
+from langchain.schema.document import Document
+from langchain.embeddings import OpenAIEmbeddings
+from langchain.chains.qa_with_sources import load_qa_with_sources_chain
+
+
+class AIServer(document_query_pb2_grpc.DocumentQuery):
+    def Query(self, request, context):
+        vec = init.text_to_vector(request.question)
+
+        question = request.question + "(必须使用中文回复)"
+
+        search_param = {
+            "data": [vec],
+            "anns_field": "vector",
+            "param": {"metric_type": "L2"},
+            "limit": 10,
+            "expr": "user_id == " + str(request.user_id),
+            "output_fields": ["document_id", "user_id"],
+        }
+
+        res = init.collection.search(**search_param)
+
+        document_ids = []
+        real_document = []
+
+        for i in range(len(res[0])):
+            _doc_id = res[0][i].id
+            print("正在获取 " + str(_doc_id) + " 的内容...")
+
+            try:
+                _doc_content = doc_client.stub.GetDocumentById(documents_pb2.GetDocumentByIdRequest(
+                    id=_doc_id
+                ))
+                _doc_content_full = _doc_content.title + "\n" + _doc_content.content
+
+                # real_document.append(_doc_content)
+                doc_obj = Document(page_content=_doc_content_full, metadata={"source": _doc_content.title})
+
+                real_document.append(doc_obj)
+
+            except Exception as e:
+                print(e)
+
+        print(real_document)
+
+        print("正在调用 LLM...")
+        chain = load_qa_with_sources_chain(OpenAI(temperature=0), chain_type="map_reduce",
+                                           return_intermediate_steps=True,
+                                           verbose=True)
+        output = chain({"input_documents": real_document, "question": question}, return_only_outputs=False)
+        print("回复：" + output["output_text"])
+
+        return document_query_pb2.QueryResponse(
+            text=output["output_text"]
+        )
+
+
+def serve():
+    _ADDR = os.getenv("BIND")
+    if _ADDR is None:
+        _ADDR = "[::]:50051"
+    print("Listening on", _ADDR)
+
+    server = grpc.server(futures.ThreadPoolExecutor(max_workers=10))
+    document_query_pb2_grpc.add_DocumentQueryServicer_to_server(AIServer(), server)
+    server.add_insecure_port(_ADDR)
+    server.start()
+    server.wait_for_termination()
+
+
+serve()
diff --git a/document_ai/worker.py b/document_ai/worker.py
new file mode 100644
index 0000000..70b1885
--- /dev/null
+++ b/document_ai/worker.py
@@ -0,0 +1,27 @@
+import documents_pb2_grpc
+import documents_pb2
+import init
+import doc_client
+
+print("获取需要更新的数据...")
+documents_response = doc_client.stub.GetNoVectorDocuments(documents_pb2.GetNoVectorDocumentsRequest()).documents
+
+# # get all documents with no vector
+for document in documents_response:
+    docContent = document.title + "\n" + document.content
+
+    print("正在更新向量...")
+    text_vector = init.text_to_vector(docContent)
+
+    # update vector
+    update_vector_response = init.insert_document(document.id, document.user_id, text_vector)
+    print(update_vector_response)
+
+    # update vector_id
+    update_vector_id_response = doc_client.stub.UpdateDocument(documents_pb2.UpdateDocumentRequest(
+        id=document.id,
+        vector_id=update_vector_response
+    ))
+
+    print(update_vector_id_response)
+    print("更新向量完成")
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..e69de29