diff --git a/api/app.py b/api/app.py
index 7a0a61db75..ef32ad44e1 100644
--- a/api/app.py
+++ b/api/app.py
@@ -6,6 +6,9 @@ from werkzeug.exceptions import Unauthorized
 if not os.environ.get("DEBUG") or os.environ.get("DEBUG").lower() != 'true':
     from gevent import monkey
     monkey.patch_all()
+    if os.environ.get("VECTOR_STORE") == 'milvus':
+        import grpc.experimental.gevent
+        grpc.experimental.gevent.init_gevent()
 
 import logging
 import json
diff --git a/api/core/index/vector_index/milvus.py b/api/core/index/vector_index/milvus.py
index 067d48b5a6..013172d826 100644
--- a/api/core/index/vector_index/milvus.py
+++ b/api/core/index/vector_index/milvus.py
@@ -167,8 +167,6 @@ class Milvus(VectorStore):
         self._init()
 
     @property
-
-
     def embeddings(self) -> Embeddings:
         return self.embedding_func