feat: 启动时就自动检查下载nltk

app/create_app.py

@@ -10,6 +10,7 @@ from starlette.staticfiles import StaticFiles
 from app.middlewares.app_middlewares import add_app_middlewares
 from app.utils.db_utils import check_database_connection
 from app.utils.milvus_utils import milvus_service
+from app.utils.nltk_utils import check_nltk
 from app.utils.postgres_checkpointer import check_postgres_connection, close_postgres_connection
 from app.utils.redis_utils import redis_utils
 
@@ -23,6 +24,7 @@ def create_app():
       asyncio.create_task(check_postgres_connection()),
       asyncio.create_task(milvus_service.check_milvus_connection()),
       asyncio.create_task(redis_utils.check_redis_connection()),
+      asyncio.create_task(check_nltk()),
     )
     async_engine = async_results[0]
     yield