发送时，上传到微信，获取URL，进行发送

plugins/message_push_task/main.py

@@ -1,4 +1,6 @@
+import base64
 import json
+import os
 from datetime import datetime, timedelta
 from typing import Dict, Any, List, Optional, Tuple
 
@@ -209,6 +211,22 @@ class MessagePushTask(MessagePluginInterface):
                     if not self.bot:
                         raise Exception("机器人实例未初始化")
 
+                    # 发送链接消息，提前进行数据整理，上传缩略图
+                    if content_link:
+                        # content_link json 读取内容
+                        link_data = json.loads(content_link)
+                        thumburl_path = link_data.get('thumburl', '')
+                        thumburl_wx = ""
+                        if thumburl_path and os.path.exists(thumburl_path):
+                            # Read local image file
+                            with open(thumburl_path, 'rb') as image_file:
+                                # Convert image to base64
+                                base64_string = base64.b64encode(image_file.read()).decode('utf-8')
+                                # Call upload method with base64 string
+                                thumburl_wx = await self.bot.friend_circle_upload(base64=base64_string)
+                        else:
+                            print(f"Image file not found at: {thumburl_path}")
+
                     success_count = 0
                     fail_count = 0
 
@@ -229,7 +247,7 @@ class MessagePushTask(MessagePluginInterface):
                                 xml_content = f"{LINK_XML_NORMAL}".format(title=link_data.get('title', ''),
                                                                           des=link_data.get('des', ''),
                                                                           url=link_data.get('url', ''),
-                                                                          thumburl=link_data.get('thumburl', '')
+                                                                          thumburl=thumburl_wx
                                                                           )
                                 await self.bot.send_link_xml_message(xml_content, group_id)
 
@@ -373,7 +391,8 @@ class MessagePushTask(MessagePluginInterface):
                     else:
                         days_ahead = next_weekday - current_weekday
 
-                    next_time = now.replace(hour=hour, minute=minute, second=second, microsecond=0) + timedelta(days=days_ahead)
+                    next_time = now.replace(hour=hour, minute=minute, second=second, microsecond=0) + timedelta(
+                        days=days_ahead)
 
                 except (json.JSONDecodeError, ValueError, IndexError) as e:
                     self.LOG.error(f"处理每周执行日失败: {e}")