change

app.py

@@ -144,7 +144,7 @@ class PDFSearchApp:
     def delete(state,choice):
         #delete file in pages, then use middleware to delete collection 
         # 1. Create a milvus client
-        client = MilvusClient("localhost")
+        client = MilvusClient("./milvus_demo.db")
         path = f"pages/{choice}"
         if os.path.exists(path):
             shutil.rmtree(path)

milvus_manager.py

@@ -13,7 +13,7 @@ class MilvusManager:
         dotenv_file = dotenv.find_dotenv()
         dotenv.load_dotenv(dotenv_file)
 
-        self.client = MilvusClient("localhost")
+        self.client = MilvusClient("./milvus_demo.db")
         self.collection_name = collection_name
         self.dim = dim