Update app.py

app.py

@@ -37,14 +37,14 @@ def chat_with_groq(user_message):
         )
 
         # 確保返回結果格式正確
-        if "choices" in completion and len(completion["choices"]) > 0:
-            response = completion["choices"][0]["message"]["content"]
-            return response or "抱歉，我無法生成有效的回應。"
+        if completion.get("choices") and len(completion["choices"]) > 0:
+            response = completion["choices"][0].get("message", {}).get("content", "抱歉，我無法生成有效的回應。")
+            return response
         else:
             return "抱歉，我無法解析 API 的回應結果。"
 
     except Exception as e:
-        return f"發生錯誤：{e}"
+        return f"發生錯誤：{str(e)}"
 
 # 定義 Gradio 介面
 def gradio_chatbot():