Update app.py

app.py

@@ -16,7 +16,7 @@ logging.basicConfig(level=logging.INFO,
                     format='%(asctime)s - %(levelname)s - %(message)s')
 
 API_ENDPOINT = "https://api-st.siliconflow.cn/v1/user/info"
-TEST_MODEL_ENDPOINT = "https://api-st.siliconflow.cn/v1/chat/completions"
+TEST_MODEL_ENDPOINT = "https://api.openai.com/v1/chat/completions"
 MODELS_ENDPOINT = "https://api.openai.com/v1/models"
 EMBEDDINGS_ENDPOINT = "https://api-st.siliconflow.cn/v1/embeddings"
 IMAGE_ENDPOINT = "https://api-st.siliconflow.cn/v1/images/generations"