Update app.py

app.py

@@ -42,7 +42,7 @@ def bing_translate(text: str, from_lang: str, to_lang: str):
         "X-ClientTraceId": str(uuid.uuid4()),
     }
     resp = requests.post(
-        url="https://api.cognitive.microsofttranslator.com/translate",
+        url="https://api.niutrans.com/",
         params={"api-version": "3.0", "from": from_lang, "to": to_lang},
         json=[{"text": text}],
         headers=headers,