diff --git a/home/hyprland/default.nix b/home/hyprland/default.nix
index bdb7e40b..88df3021 100644
--- a/home/hyprland/default.nix
+++ b/home/hyprland/default.nix
@@ -9,8 +9,8 @@
     # copy the scripts directory recursively
     recursive = true;
   };
-  home.file.".config/hypr/wallpapers/lockscreen.webp".source = ../wallpapers/lockscreen.webp;
-  home.file.".config/hypr/wallpapers/wallpaper.webp".source = ../wallpapers/wallpaper.webp;
+  home.file.".config/hypr/wallpapers/lockscreen.png".source = ../wallpapers/lockscreen.png;
+  home.file.".config/hypr/wallpapers/wallpaper.png".source = ../wallpapers/wallpaper.png;
 
   # allow fontconfig to discover fonts and configurations installed through home.packages
   fonts.fontconfig.enable = true;
diff --git a/home/hyprland/hypr-conf/scripts/lockscreen b/home/hyprland/hypr-conf/scripts/lockscreen
index 2ca73db1..46fc2195 100755
--- a/home/hyprland/hypr-conf/scripts/lockscreen
+++ b/home/hyprland/hypr-conf/scripts/lockscreen
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 # Background Image
-IMAGE="$HOME/.config/hypr/wallpapers/lockscreen.webp"
+IMAGE="$HOME/.config/hypr/wallpapers/lockscreen.png"
 
 # Colors
 bg='1e1e2e'		bgl='313244'		fg='d9e0ee'
diff --git a/home/hyprland/hypr-conf/scripts/startup b/home/hyprland/hypr-conf/scripts/startup
index ed290cfb..b5178059 100755
--- a/home/hyprland/hypr-conf/scripts/startup
+++ b/home/hyprland/hypr-conf/scripts/startup
@@ -14,7 +14,7 @@ done
 /usr/lib/xfce-polkit/xfce-polkit &
 
 # Set wallpaper
-swaybg --output '*' --mode fill --image ~/.config/hypr/wallpapers/wallpaper.webp &
+swaybg --output '*' --mode fill --image ~/.config/hypr/wallpapers/wallpaper.png &
 
 # Apply themes
 ~/.config/hypr/scripts/gtkthemes &
diff --git a/home/i3/config b/home/i3/config
index 2c63c153..6c6b2e4e 100644
--- a/home/i3/config
+++ b/home/i3/config
@@ -346,7 +346,7 @@ exec --no-startup-id dex --autostart --environment i3
 
 # set wallpaper
 # exec --no-startup-id sleep 2 && nitrogen --restore
-exec --no-startup-id sleep 1 && feh --bg-fill ~/.config/i3/wallpaper.webp
+exec --no-startup-id sleep 1 && feh --bg-fill ~/.config/i3/wallpaper.png
 
 # set powersavings for display:
 exec --no-startup-id xset s 480 dpms 600 600 600
diff --git a/home/i3/default.nix b/home/i3/default.nix
index 89b62315..51f301bb 100644
--- a/home/i3/default.nix
+++ b/home/i3/default.nix
@@ -7,7 +7,7 @@
   # 直接从当前文件夹中读取配置文件作为配置内容
 
   # wallpaper, binary file
-  home.file.".config/i3/wallpaper.webp".source = ../wallpapers/wallpaper.webp;
+  home.file.".config/i3/wallpaper.png".source = ../wallpapers/wallpaper.png;
   home.file.".config/i3/config".source = ./config;
   home.file.".config/i3/i3blocks.conf".source = ./i3blocks.conf;
   home.file.".config/i3/keybindings".source = ./keybindings;
diff --git a/home/wallpapers/convert_to_png.nu b/home/wallpapers/convert_to_png.nu
new file mode 100644
index 00000000..57bca9b6
--- /dev/null
+++ b/home/wallpapers/convert_to_png.nu
@@ -0,0 +1,22 @@
+# convert all images to png
+
+def to_png [old_path: string, old_format: string] {
+  # 将后缀改为 .png 得到新图片的 path
+  let webp_path = ($old_path | split row $old_format | append ".png" | str join)
+  # 使用 ffmpeg 进行格式转换
+  ffmpeg -y -i $old_path $webp_path
+  # 删除旧图片
+  rm $old_path
+}
+
+def convert_format [old_format: string] {
+    # 递归找出所有大于 10kib 的图片
+    let old_paths = (ls $"**/*($old_format)" | where size > 10kb | each {|it| $it.name})
+    $old_paths | to md
+
+    # 1. 执行图片格式转换与压缩，同时删除原图片
+    $old_paths | each { |it| to_png $it $old_format }
+}
+
+convert_format ".webp"
+# convert_format ".jpg"
\ No newline at end of file
diff --git a/home/wallpapers/convert_to_webp.nu b/home/wallpapers/convert_to_webp.nu
deleted file mode 100644
index d6d5b1dd..00000000
--- a/home/wallpapers/convert_to_webp.nu
+++ /dev/null
@@ -1,37 +0,0 @@
-# convert all png/jpeg images to webp
-
-def to_webp [old_path: string, old_format: string] {
-  # 将后缀改为 .webp 得到新图片的 path
-  let webp_path = ($old_path | split row $old_format | append ".webp" | str collect)
-  # 使用 ffmpeg 进行格式转换
-  ffmpeg -y -i $old_path -c:v libwebp $webp_path
-  # 删除旧图片
-  rm $old_path
-}
-
-def replace_with_webp [old_path: string, old_format: string] {
-  # 将后缀改为 .webp 得到新图片的 path
-  let webp_path = ($old_path | split row $old_format | append ".webp" | str collect)
-  # 图片的旧名称与新名称
-  let old_name = ($old_path | path basename)
-  let webp_name = ($webp_path | path basename)
-  # 批量将 .md 文件中的所有图片名称，改为对应的 webp 图片名称
-  # 注：MacOS 需要首先安装好 gsed，Linux 请将下面的 gsed 替换为 sed
-  let cmd = $"gsed -ri 's/($old_name)/($webp_name)/g' `find . -name "*.md"`"
-  echo $cmd
-  bash -c $cmd
-}
-
-def convert_format(old_format: string) {
-    # 递归找出所有大于 10kib 的图片
-    let old_paths = (ls $"**/*($old_format)" | where size > 10kb | each {|it| $it.name})
-    $old_paths | to md | save --raw ./old_paths.txt
-
-    # 1. 执行图片格式转换与压缩，同时删除原图片
-    $old_paths | each { |it| to_webp $it $old_format }
-    # 2. 执行 .md 文档中的图片名称替换
-    $old_paths | each { |it| replace_with_webp $it $old_format }
-}
-
-convert_format ".png"
-convert_format ".jpg"
\ No newline at end of file
diff --git a/home/wallpapers/lockscreen.png b/home/wallpapers/lockscreen.png
new file mode 100644
index 00000000..8804c9d4
Binary files /dev/null and b/home/wallpapers/lockscreen.png differ
diff --git a/home/wallpapers/lockscreen.webp b/home/wallpapers/lockscreen.webp
deleted file mode 100644
index f2d1b05f..00000000
Binary files a/home/wallpapers/lockscreen.webp and /dev/null differ
diff --git a/home/wallpapers/wallpaper-1.webp b/home/wallpapers/wallpaper-1.webp
deleted file mode 100644
index d73bfee3..00000000
Binary files a/home/wallpapers/wallpaper-1.webp and /dev/null differ
diff --git a/home/wallpapers/wallpaper-2.png b/home/wallpapers/wallpaper-2.png
new file mode 100644
index 00000000..b1140344
Binary files /dev/null and b/home/wallpapers/wallpaper-2.png differ
diff --git a/home/wallpapers/wallpaper.png b/home/wallpapers/wallpaper.png
new file mode 100644
index 00000000..c5dd3396
Binary files /dev/null and b/home/wallpapers/wallpaper.png differ
diff --git a/home/wallpapers/wallpaper.webp b/home/wallpapers/wallpaper.webp
deleted file mode 100644
index eb5d2a6f..00000000
Binary files a/home/wallpapers/wallpaper.webp and /dev/null differ