diff --git a/docs/.vuepress/public/images/demos/tuyongtao.top.jpeg b/docs/.vuepress/public/images/demos/tuyongtao.top.jpeg
new file mode 100644
index 00000000..45af7d48
Binary files /dev/null and b/docs/.vuepress/public/images/demos/tuyongtao.top.jpeg differ
diff --git a/docs/.vuepress/public/images/demos/tuyongtao.top.png b/docs/.vuepress/public/images/demos/tuyongtao.top.png
deleted file mode 100644
index 6ab127af..00000000
Binary files a/docs/.vuepress/public/images/demos/tuyongtao.top.png and /dev/null differ
diff --git a/docs/.vuepress/public/images/qq_qrcode.png b/docs/.vuepress/public/images/qq_qrcode.png
index dd80f06d..fd59eddd 100644
Binary files a/docs/.vuepress/public/images/qq_qrcode.png and b/docs/.vuepress/public/images/qq_qrcode.png differ
diff --git a/docs/demos.md b/docs/demos.md
index f9465224..54c613e5 100644
--- a/docs/demos.md
+++ b/docs/demos.md
@@ -44,7 +44,7 @@ blog:
     logo: http://tuyongtao.top/fettjob/imgs/head.jpg
     url: http://tuyongtao.top/fettjob/
     repo: https://github.com/tuyongtao-T
-    preview: /images/demos/tuyongtao.top.png
+    preview: /images/demos/tuyongtao.top.jpeg
 ---
 
 :::important