Update app.py

app.py

@@ -14,6 +14,7 @@ from Gradio_UI import GradioUI
 
 AMAP_API_BASE = "https://restapi.amap.com/v3/weather/weatherInfo"
 AMAP_API_KEY = os.environ.get("AMAP_API_KEY", "")
+USER_AGENT = "amap-weather-mcp-server/1.0"
 
 city_to_adcode = {}