diff --git a/maubot_llmplus/thrid_platform.py b/maubot_llmplus/thrid_platform.py
index 3239ecb..ffc3ced 100644
--- a/maubot_llmplus/thrid_platform.py
+++ b/maubot_llmplus/thrid_platform.py
@@ -1,4 +1,5 @@
 import json
+from collections import deque
 
 from typing import List
 
@@ -83,15 +84,13 @@ class Anthropic(Platform):
 
     async def create_chat_completion(self, plugin: AbsExtraConfigPlugin, evt: MessageEvent) -> ChatCompletion:
         full_chat_context = []
-        system_context = await maubot_llmplus.platforms.get_system_context(plugin, self, evt)
-        full_system_context = []
+        system_context = deque()
         chat_context = await maubot_llmplus.platforms.get_chat_context(system_context, plugin, self, evt)
         full_chat_context.extend(list(chat_context))
-        full_system_context.extend(list(system_context))
 
         endpoint = f"{self.url}/v1/messages"
         headers = {"x-api-key": self.api_key, "anthropic-version": "2023-06-01", "content-type": "application/json"}
-        req_body = {"model": self.model, "max_tokens": self.max_tokens, "system": full_system_context, "messages": full_chat_context}
+        req_body = {"model": self.model, "max_tokens": self.max_tokens, "system": self.system_prompt, "messages": full_chat_context}
 
         async with self.http.post(endpoint, headers=headers, data=json.dumps(req_body)) as response:
             # plugin.log.debug(f"响应内容：{response.status}, {await response.json()}")