diff --git a/grpc.txt b/grpc.txt
new file mode 100644
index 0000000..15a604d
--- /dev/null
+++ b/grpc.txt
@@ -0,0 +1 @@
+python -m grpc_tools.protoc  -I.  --python_out=. --grpc_python_out=. .\rpc\ai.proto
\ No newline at end of file
diff --git a/rpc/ai.proto b/rpc/ai.proto
new file mode 100644
index 0000000..eab85ac
--- /dev/null
+++ b/rpc/ai.proto
@@ -0,0 +1,17 @@
+syntax = "proto3";
+
+service LLMQuery {
+  rpc AddDocument (AddDocumentRequest) returns (AddDocumentReply) {}
+}
+
+
+message AddDocumentRequest {
+  string text = 1;
+  uint64 user_id = 2;
+  string database = 3;
+  string collection = 4;
+}
+
+message AddDocumentReply {
+  string id = 1;
+}
\ No newline at end of file
diff --git a/rpc/grpc.py b/rpc/grpc.py
new file mode 100644
index 0000000..e69de29
diff --git a/text_to_vec.py b/text_to_vec.py
index 689b9a3..a5ea2fe 100644
--- a/text_to_vec.py
+++ b/text_to_vec.py
@@ -1,4 +1,5 @@
 from langchain.embeddings.openai import OpenAIEmbeddings
+import json
 
 question = "这个 yarn 为什么会发生错误，该怎么解决？使用中文回复"
 
@@ -11,7 +12,6 @@ embeddings = OpenAIEmbeddings(model="text-embedding-ada-002")
 vec = embeddings.embed_query(question)
 
 # 转换成 json 并保存到文件
-import json
 
 v_json = json.dumps(vec)