diff --git a/plugins/message_summary/config.toml b/plugins/message_summary/config.toml
index ca94d4b..52a0763 100644
--- a/plugins/message_summary/config.toml
+++ b/plugins/message_summary/config.toml
@@ -23,6 +23,6 @@ summary_image_template_path = "plugins/message_summary/templates/gemini_summary_
 # 1. 这里可以覆盖 md2image 默认 780 宽；
 # 2. 模板卡片宽度约 420，截图建议 460~520 区间；
 # 3. scale 提高后字体与线条会更清晰。
-template_viewport_width = 780
+template_viewport_width = 580
 template_viewport_height = 960
 template_device_scale_factor = 2.0