rollback orjson

app/factory.py

@@ -1,6 +1,5 @@
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
-from fastapi.responses import ORJSONResponse
 
 from app.core.config import settings
 from app.startup.lifecycle import lifespan
@@ -13,8 +12,7 @@ def create_app() -> FastAPI:
     _app = FastAPI(
         title=settings.PROJECT_NAME,
         openapi_url=f"{settings.API_V1_STR}/openapi.json",
-        lifespan=lifespan,
-        default_response_class=ORJSONResponse
+        lifespan=lifespan
     )
 
     # 配置 CORS 中间件