diff --git a/src/backend/main.py b/src/backend/main.py
index 139ad5c..b12cac0 100644
--- a/src/backend/main.py
+++ b/src/backend/main.py
@@ -25,12 +25,13 @@
 
 
 @app.middleware("http")
-async def add_static_filter(request: Request, call_next):
+async def static_filter(request: Request, call_next):
     urlpath = request.url.path
     # 如果是 fastapi 相关的路由，直接返回
     if (
         urlpath.startswith("/api")
         or urlpath.startswith("/docs")
+        or urlpath.startswith("/redoc")
         or urlpath == "/openapi.json"
     ):
         return await call_next(request)
diff --git a/src/backend/routers.py b/src/backend/routers.py
index 071141e..7c6bdb4 100644
--- a/src/backend/routers.py
+++ b/src/backend/routers.py
@@ -26,6 +26,7 @@ def wrapper(*args, **kwargs):
 
 # FastAPI Dependency
 def get_session():
+    # 获得一个 session
     session = db.ScopedSession()
     try:
         yield session