diff --git a/src/llm_models/model_client/openai_client.py b/src/llm_models/model_client/openai_client.py
index 6902889c5..c580899ad 100644
--- a/src/llm_models/model_client/openai_client.py
+++ b/src/llm_models/model_client/openai_client.py
@@ -271,14 +271,14 @@ async def _default_stream_response_handler(
             _insure_buffer_closed()
             raise ReqAbortException("请求被外部信号中断")
         # 空 choices / usage-only 帧的防御
-        if not getattr(event, "choices", None) or len(event.choices) == 0:
-            if getattr(event, "usage", None):
+        if not hasattr(event, "choices") or not event.choices:
+            if hasattr(event, "usage") and event.usage:
                 _usage_record = (
                     event.usage.prompt_tokens or 0,
                     event.usage.completion_tokens or 0,
                     event.usage.total_tokens or 0,
                 )
-            continue  # 跳过本帧，避免访问 choices[0]        
+            continue  # 跳过本帧，避免访问 choices[0]
         delta = event.choices[0].delta  # 获取当前块的delta内容
 
         if hasattr(delta, "reasoning_content") and delta.reasoning_content:  # type: ignore
@@ -479,7 +479,7 @@ class OpenaiClient(BaseClient):
                         req_task.cancel()
                         raise ReqAbortException("请求被外部信号中断")
                     await asyncio.sleep(0.1)  # 等待0.5秒后再次检查任务&中断信号量状态
-                
+
                 # logger.info(f"OpenAI请求时间: {model_info.model_identifier}  {time.time() - start_time} \n{messages}")
 
                 resp, usage_record = async_response_parser(req_task.result())
diff --git a/src/plugin_system/apis/person_api.py b/src/plugin_system/apis/person_api.py
index c81e4747e..ed904003a 100644
--- a/src/plugin_system/apis/person_api.py
+++ b/src/plugin_system/apis/person_api.py
@@ -19,7 +19,7 @@ logger = get_logger("person_api")
 # =============================================================================
 
 
-def get_person_id(platform: str, user_id: int) -> str:
+def get_person_id(platform: str, user_id: int | str) -> str:
     """根据平台和用户ID获取person_id
 
     Args:
@@ -33,7 +33,7 @@ def get_person_id(platform: str, user_id: int) -> str:
         person_id = person_api.get_person_id("qq", 123456)
     """
     try:
-        return Person(platform=platform, user_id=user_id).person_id
+        return Person(platform=platform, user_id=str(user_id)).person_id
     except Exception as e:
         logger.error(f"[PersonAPI] 获取person_id失败: platform={platform}, user_id={user_id}, error={e}")
         return ""
diff --git a/src/plugin_system/apis/send_api.py b/src/plugin_system/apis/send_api.py
index c96679f30..870c979f7 100644
--- a/src/plugin_system/apis/send_api.py
+++ b/src/plugin_system/apis/send_api.py
@@ -98,10 +98,12 @@ async def _send_to_target(
 
         if reply_message:
             anchor_message = message_dict_to_message_recv(reply_message)
-            anchor_message.update_chat_stream(target_stream)
-            reply_to_platform_id = (
-                f"{anchor_message.message_info.platform}:{anchor_message.message_info.user_info.user_id}"
-            )            
+            if anchor_message:
+                anchor_message.update_chat_stream(target_stream)
+                assert anchor_message.message_info.user_info, "用户信息缺失"
+                reply_to_platform_id = (
+                    f"{anchor_message.message_info.platform}:{anchor_message.message_info.user_info.user_id}"
+                )            
         else:
             reply_to_platform_id = ""
             anchor_message = None