diff --git a/backend/requirements.txt b/backend/requirements.txt
index bee8762f..2367c96a 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,7 +1,7 @@
 # FastAPI 和 Web 框架
 fastapi==0.104.1
 uvicorn[standard]==0.24.0
-python-multipart==0.0.6
+python-multipart==0.0.20
 websockets==12.0
 
 # 数据库和ORM