diff --git a/README.md b/README.md
index a6b04c4..c245528 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 # QQ群日常分析插件
 
 
-[![Plugin Version](https://img.shields.io/badge/Latest_Version-v4.3.0-blue.svg?style=for-the-badge&color=76bad9)](https://github.com/SXP-Simon/astrbot-qq-group-daily-analysis)
+[![Plugin Version](https://img.shields.io/badge/Latest_Version-v4.4.0-blue.svg?style=for-the-badge&color=76bad9)](https://github.com/SXP-Simon/astrbot-qq-group-daily-analysis)
 [![AstrBot](https://img.shields.io/badge/AstrBot-Plugin-ff69b4?style=for-the-badge)](https://github.com/AstrBotDevs/AstrBot)
 [![License](https://img.shields.io/badge/License-MIT-green.svg?style=for-the-badge)](LICENSE)
 [![](https://img.shields.io/badge/五彩斑斓的Bug群-Bug反馈群&水群-white?style=for-the-badge&color=76bad9&logo=qq&logoColor=76bad9)](https://qm.qq.com/q/oTzIrdDBIc)
@@ -108,6 +108,9 @@ simple 模板效果图(用于展示贡献指南)
 <details>
 <summary>📋 点击展开查看完整更新日志</summary>
 
+### v4.4.0
+- 修复可能的图片生成成功但是发送失败的情况，增加 Fallback 的 BASE64 编码的图片发送方式（@Heximiao）
+
 ### v4.3.0
 - 纠正关闭特定分析区但是基础样式没有去除的 bug
 
diff --git a/metadata.yaml b/metadata.yaml
index ab4a136..8158186 100644
--- a/metadata.yaml
+++ b/metadata.yaml
@@ -14,6 +14,6 @@ help: |  # 插件的帮助信息
   命令：
   /群分析 [天数] - 分析群聊活动
   /分析设置 [操作] - 管理设置（enable/disable/status/test）
-version: v4.3.0 # 插件版本号。格式：v1.1.1 或者 v1.1
+version: v4.4.0 # 插件版本号。格式：v1.1.1 或者 v1.1
 author: SXP-Simon # 作者
 repo: https://github.com/SXP-Simon/astrbot-qq-group-daily-analysis # 插件的仓库地址
diff --git a/src/scheduler/auto_scheduler.py b/src/scheduler/auto_scheduler.py
index a13fa81..aeb7d48 100644
--- a/src/scheduler/auto_scheduler.py
+++ b/src/scheduler/auto_scheduler.py
@@ -7,8 +7,6 @@ import asyncio
 import weakref
 from datetime import datetime, timedelta
 import aiohttp
-import tempfile
-import os
 import base64
 
 
@@ -489,8 +487,6 @@ class AutoScheduler:
             f"analysis_result_keys={list(analysis_result.keys()) if isinstance(analysis_result, dict) else type(analysis_result)}"
         )
 
-        
-        
         """发送分析报告到群"""
         try:
             output_format = self.config_manager.get_output_format()
@@ -503,15 +499,16 @@ class AutoScheduler:
                         image_url = await self.report_generator.generate_image_report(
                             analysis_result, group_id, self.html_render_func
                         )
-                        logger.info(
-                f"[DEBUG][SEND_REPORT] image ready "
-                f"group_id={group_id}, "
-                f"image_url={image_url}"
-            )
+                        logger.debug(
+                            f"[DEBUG][SEND_REPORT] 图片生成成功"
+                            f"group_id={group_id}, "
+                            f"image_url={image_url}"
+                        )
 
-                        
                         if image_url:
-                            success = await self._send_image_message(group_id, image_url)
+                            success = await self._send_image_message(
+                                group_id, image_url
+                            )
                             if success:
                                 logger.info(f"群 {group_id} 图片报告发送成功")
                             else:
@@ -519,8 +516,10 @@ class AutoScheduler:
                                 logger.warning(
                                     f"群 {group_id} 发送图片报告失败，回退到文本报告"
                                 )
-                                text_report = self.report_generator.generate_text_report(
-                                    analysis_result
+                                text_report = (
+                                    self.report_generator.generate_text_report(
+                                        analysis_result
+                                    )
                                 )
                                 await self._send_text_message(
                                     group_id, f"📊 每日群聊分析报告：\n\n{text_report}"
@@ -658,9 +657,7 @@ class AutoScheduler:
                     return True
 
                 except Exception as e:
-                    logger.debug(
-                        f"平台 {test_platform_id} URL 图片发送失败: {e}"
-                    )
+                    logger.debug(f"平台 {test_platform_id} URL 图片发送失败: {e}")
 
             logger.warning(f"群 {group_id} URL 方式发送图片失败，尝试 base64")
 
@@ -673,7 +670,9 @@ class AutoScheduler:
                 async with aiohttp.ClientSession(timeout=timeout) as session:
                     async with session.get(image_url) as resp:
                         if resp.status != 200:
-                            logger.error(f"群 {group_id} base64 下载图片失败: status={resp.status}")
+                            logger.error(
+                                f"群 {group_id} base64 下载图片失败: status={resp.status}"
+                            )
                             image_bytes = None
                         else:
                             max_bytes = 5 * 1024 * 1024  # 5 MiB 安全限制