feat: update

app.py

@@ -13,7 +13,7 @@ API_TOKEN = os.getenv("API_TOKEN")
 
 # 验证必要的环境变量
 if not API_URL or not API_TOKEN:
-    raise ValueError("请确保设置了环境变量 API_URL 和 API_TOKEN")
+    raise ValueError("make sure API_URL & API_TOKEN is right")
 
 print(f"[INFO] starting:")
 print(f"[INFO] API_URL: {API_URL[:6]}...{API_URL[-13:]}")
@@ -63,6 +63,7 @@ def respond(
     print(f"[INFO] reqData: {data}")
 
     response = ""
+    current_response = ""
     
     with requests.post(API_URL, headers=headers, json=data, stream=True) as r:
         for line in r.iter_lines():
@@ -72,14 +73,18 @@ def respond(
                     if 'choices' in json_response and len(json_response['choices']) > 0:
                         token = json_response['choices'][0].get('delta', {}).get('content', '')
                         if token:
-                            response += token
-                            if response:
-                                yield response
+                            current_response += token
+                            if '**Final Answer**' in current_response:
+                                final_answer = current_response.split('**Final Answer**')[-1].strip()
+                                if final_answer:
+                                    yield final_answer
                 except json.JSONDecodeError:
                     continue
         
-        if response:
-            yield response
+        if current_response and '**Final Answer**' in current_response:
+            final_answer = current_response.split('**Final Answer**')[-1].strip()
+            if final_answer:
+                yield final_answer
 
 
 """