Update app.py

app.py

@@ -33,9 +33,12 @@ def chat_with_groq(user_message):
             stream=False
         )
 
-        # 處理非流式輸出
-        response = completion["choices"][0]["message"]["content"]
-        return response
+        # 確保返回結果格式正確
+        if "choices" in completion and len(completion["choices"]) > 0:
+            response = completion["choices"][0].get("message", {}).get("content", "")
+            return response or "抱歉，我無法生成有效的回應。"
+        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}"