feat: optimzie file model

poetry.lock

@@ -1,5 +1,22 @@
 # This file is automatically @generated by Poetry 2.1.4 and should not be changed by hand.
 
+[[package]]
+name = "aiofiles"
+version = "24.1.0"
+description = "File support for asyncio."
+optional = false
+python-versions = ">=3.8"
+groups = ["main"]
+files = [
+    {file = "aiofiles-24.1.0-py3-none-any.whl", hash = "sha256:b4ec55f4195e3eb5d7abd1bf7e061763e864dd4954231fb8539a0ef8bb8260e5"},
+    {file = "aiofiles-24.1.0.tar.gz", hash = "sha256:22a075c9e5a3810f0c2e48f3008c94d68c65d763b9b03857924c99e57355166c"},
+]
+
+[package.source]
+type = "legacy"
+url = "https://pypi.tuna.tsinghua.edu.cn/simple"
+reference = "tsinghua"
+
 [[package]]
 name = "aiohappyeyeballs"
 version = "2.6.1"
@@ -5302,4 +5319,4 @@ reference = "tsinghua"
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.11"
-content-hash = "2810596afff09cb064d7405e54b066ac6d9aa3100c27da274789b0fe6b828a60"
+content-hash = "fbb45d7f436c48a7873e4ed94f6bd5561ceb6eaec4a51be64692a011ed1b85fe"

pyproject.toml

@@ -29,6 +29,7 @@ llama-index = "0.12.42"
 llama-index-vector-stores-milvus = "0.8.7"
 llama-index-llms-openai-like = "0.4.0"
 pymilvus = "2.6.1"
+aiofiles = "^24.1.0"
 
 
 [tool.poetry.group.dev.dependencies]