diff --git a/maubot_llmplus/thrid_platform.py b/maubot_llmplus/thrid_platform.py
index 7f0bddd..3aa74ac 100644
--- a/maubot_llmplus/thrid_platform.py
+++ b/maubot_llmplus/thrid_platform.py
@@ -184,15 +184,15 @@ class Anthropic(Platform):
         async with self.http.post(endpoint, headers=headers, data=json.dumps(req_body)) as response:
             if response.status != 200:
                 raise ValueError(f"Error: {await response.text()}")
-            async for line_bytes in response.content:
+            async for line_bytes in response.content.iter_lines():
                 line = line_bytes.decode("utf-8").strip()
                 if not line.startswith("data: "):
                     continue
                 data_str = line[6:]
-                if data_str == "[DONE]":
-                    break
                 try:
                     data = json.loads(data_str)
+                    if data.get("type") == "message_stop":
+                        break
                     if data.get("type") == "content_block_delta":
                         delta = data.get("delta", {})
                         if delta.get("type") == "text_delta":