Update app.py

app.py

@@ -12,6 +12,7 @@ from PIL import Image
 from datetime import datetime
 from apscheduler.schedulers.background import BackgroundScheduler
 from flask import Flask, request, jsonify, Response, stream_with_context
+from werkzeug.middleware.proxy_fix import ProxyFix
 
 os.environ['TZ'] = 'Asia/Shanghai'
 time.tzset()