diff --git a/utils/llm_utils.py b/utils/llm_utils.py
index 913a4e7..0c823a7 100644
--- a/utils/llm_utils.py
+++ b/utils/llm_utils.py
@@ -241,13 +241,15 @@ async def call_llm(event: AstrMessageEvent, config: AstrBotConfig, context: Cont
 
         # 图片相关处理
         image_urls = []
+        image_processing_config = config.get("image_processing", {})
+        use_image_caption = image_processing_config.get("use_image_caption", False)
 
         # 首先收集当前消息链中的图片（用户刚发送的，不受 image_count 限制）
-        if hasattr(event, "message_obj") and hasattr(event.message_obj, "message"):
+        if not use_image_caption and hasattr(event, "message_obj") and hasattr(event.message_obj, "message"):
             for component in event.message_obj.message:
                 if isinstance(component, Image):
                     try:
-                        url = component.file or component.url
+                        url = await component.convert_to_file_path()
                         if url and url not in image_urls:
                             image_urls.append(url)
                     except Exception as e:
@@ -255,7 +257,7 @@ async def call_llm(event: AstrMessageEvent, config: AstrBotConfig, context: Cont
                         continue
 
         # 然后从历史消息中补充收集图片（受 image_count 限制）
-        history_image_count = config.get("image_processing", {}).get("image_count", 0)
+        history_image_count = image_processing_config.get("image_count", 0)
         if history_image_count and history_messages:
             messages_to_show = history_messages[-history_limit:] if len(history_messages) > history_limit else history_messages
 
@@ -264,7 +266,7 @@ async def call_llm(event: AstrMessageEvent, config: AstrBotConfig, context: Cont
                     for component in message.message:
                         if isinstance(component, Image):
                             try:
-                                url = component.file or component.url
+                                url = await component.convert_to_file_path()
                                 if url and url not in image_urls:
                                     image_urls.append(url)
                                     if len(image_urls) >= history_image_count:
diff --git a/utils/message_utils.py b/utils/message_utils.py
index d66dc74..7474cc1 100644
--- a/utils/message_utils.py
+++ b/utils/message_utils.py
@@ -1,6 +1,5 @@
 from astrbot.api.all import *
 from typing import List, Dict, Any, Optional
-import os
 import time
 from datetime import datetime
 from .image_caption import ImageCaptionUtils
@@ -100,16 +99,8 @@ async def outline_message_list(message_list: List[BaseMessageComponent], umo: Op
                 elif component_type == "image" or isinstance(i, Image):
                     # 图片处理逻辑
                     try:
-                        image = i.file if i.file else i.url
+                        image = await i.convert_to_file_path()
                         if image:
-                            if image.startswith("file:///"):
-                                image_path = image[8:]
-                                if not os.path.exists(image_path):
-                                    logger.warning(f"持久化图片文件不存在: {image_path}")
-                                    outline += f"[图片: 文件不存在]"
-                                    continue
-                                image = image_path
-
                             caption = await ImageCaptionUtils.generate_image_caption(image, umo=umo)
                             if caption:
                                 outline += f"[图片: {caption}]"