diff --git a/maubot_llmplus/thrid_platform.py b/maubot_llmplus/thrid_platform.py
index 3aa74ac..308818d 100644
--- a/maubot_llmplus/thrid_platform.py
+++ b/maubot_llmplus/thrid_platform.py
@@ -184,7 +184,10 @@ 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.iter_lines():
+            while True:
+                line_bytes = await response.content.readline()
+                if not line_bytes:
+                    break
                 line = line_bytes.decode("utf-8").strip()
                 if not line.startswith("data: "):
                     continue