Update app.py

app.py

@@ -26,7 +26,7 @@ async def send_chat_message(LLM_URL, LLM_API, category, file_url):
         "query": category,
         "conversation_id": "",
         "user": USER_ID,
-        "response_mode": "streaming",   # ⬅️ 一定要加        
+        "response_mode": "streaming",
         "files": [
             {
                 "type": "image",
@@ -36,6 +36,7 @@ async def send_chat_message(LLM_URL, LLM_API, category, file_url):
         ]
     }
 
+    answer = ""
     async with aiohttp.ClientSession() as session:
         async with session.post(
             f"{LLM_URL}/chat-messages",
@@ -45,11 +46,16 @@ async def send_chat_message(LLM_URL, LLM_API, category, file_url):
             },
             json=payload
         ) as response:
-            if response.status != 200:
-                error_text = await response.text()
-                return f"Error: Server returned status {response.status} - {error_text}"
-            data = await response.json()
-            return data.get("answer") or data.get("thought") or "No answer returned"
+            async for line_bytes in response.content:
+                line = line_bytes.decode("utf-8").strip()
+                if line.startswith("data: "):
+                    try:
+                        data = json.loads(line[6:])
+                        if "answer" in data:
+                            answer += data["answer"]
+                    except:
+                        continue
+    return answer or "No answer returned"
             
 # async def send_chat_message(LLM_URL, LLM_API, category, file_id):
 #     payload = {