Update api.py

api.py

@@ -14,6 +14,7 @@ from fastapi import BackgroundTasks
 import time
 from bilibili_api import sync, video_uploader, Credential#bili上传部分
 import asyncio #保证后台任务的先后
+import json #对bili_meta_data进行dumps ->str和loads—>dict
 
 
 sessdata = os.getenv('sessdata')