diff --git a/users/guanranwang/home-manager/resources/dotfiles/config/picom/picom.conf b/users/guanranwang/home-manager/resources/dotfiles/config/picom/picom.conf
deleted file mode 100644
index 84db1ef..0000000
--- a/users/guanranwang/home-manager/resources/dotfiles/config/picom/picom.conf
+++ /dev/null
@@ -1,67 +0,0 @@
-# Corner
-corner-radius = 0;
-round-borders = 0;
-
-
-# Shadow
-shadow = true;
-shadow-radius = 15;
-shadow-offset-x = -8;
-shadow-offset-y = -8;
-shadow-opacity = 0.2;
-shadow-exclude = [
-  "_GTK_FRAME_EXTENTS@:c",
-];
-
-
-# Fade
-fading = true;
-fade-in-step = 0.04;
-fade-out-step = 0.04;
-fade-delta = 3;
-
-
-# Dim inactive window
-inactive-dim=0
-focus-exclude = [
-  "class_g = 'Rofi'",
-];
-
-# Opacity
-frame-opacity = 1;
-active-opacity = 1;
-inactive-opacity = 1;
-dropdown_menu = { opacity = 1; }
-popup_menu = { opacity = 1; }
-
-opacity-rule = [
-  "100:_NET_WM_STATE@:32a = '_NET_WM_STATE_FULLSCREEN'",
-  "90:class_g	= 'Polybar'",
-  "90:class_g	= 'Rofi'",
-  "90:class_g	= 'Alacritty'",
-];
-
-
-# Blur
-blur: {
-  method = "dual_kawase";
-  strength = 9;
-}
-blur-background-exclude = [
-  "_GTK_FRAME_EXTENTS@:c",
-  "class_g = 'Main'",
-];
-
-backend = "glx";
-vsync = true;
-use-damage = false;
-unredir-if-possible = true;
-
-wintypes: {
-  dropdown_menu = { opacity = 1; }
-  tooltip = { fade = true; shadow = true; opacity = 0.1; focus = true; }
-  popup_menu = { opacity = 1; }
-
-  notification = { redir-ignore = true;}
-  notify = { redir-ignore = true;}
-}
diff --git a/users/guanranwang/home-manager/resources/wm/components/picom.nix b/users/guanranwang/home-manager/resources/wm/components/picom.nix
index 023aaab..e7727d0 100644
--- a/users/guanranwang/home-manager/resources/wm/components/picom.nix
+++ b/users/guanranwang/home-manager/resources/wm/components/picom.nix
@@ -1,8 +1,75 @@
 {...}: {
   services.picom = {
     enable = true;
-  };
+    settings = {
+      # Corner
+      corner-radius = 0;
+      round-borders = 0;
 
-  # TODO: picom.conf -> home-manager options
-  xdg.configFile."picom/picom.conf".source = ../../dotfiles/config/picom/picom.conf;
+      # Shadow
+      shadow = true;
+      shadow-radius = 15;
+      shadow-offset-x = -8;
+      shadow-offset-y = -8;
+      shadow-opacity = 0.2;
+      shadow-exclude = [
+        "_GTK_FRAME_EXTENTS@=c"
+      ];
+
+      # Fade
+      fading = true;
+      fade-in-step = 0.04;
+      fade-out-step = 0.04;
+      fade-delta = 3;
+
+      # Dim inactive window
+      inactive-dim = 0;
+      focus-exclude = [
+        "class_g = 'Rofi'"
+      ];
+
+      # Opacity
+      frame-opacity = 1;
+      active-opacity = 1;
+      inactive-opacity = 1;
+      dropdown_menu = {opacity = 1;};
+      popup_menu = {opacity = 1;};
+
+      opacity-rule = [
+        "100=_NET_WM_STATE@=32a = '_NET_WM_STATE_FULLSCREEN'"
+        "90=class_g	= 'Polybar'"
+        "90=class_g	= 'Rofi'"
+        "90=class_g	= 'Alacritty'"
+      ];
+
+      # Blur
+      blur = {
+        method = "dual_kawase";
+        strength = 9;
+      };
+      blur-background-exclude = [
+        "_GTK_FRAME_EXTENTS@=c"
+        "class_g = 'Main'"
+      ];
+
+      backend = "glx";
+      vsync = true;
+      use-damage = false;
+      unredir-if-possible = true;
+
+      wintypes = {
+        dropdown_menu = {opacity = 1;};
+        tooltip = {
+          fade = true;
+          shadow = true;
+          opacity = 0.1;
+          focus = true;
+        };
+        popup_menu = {opacity = 1;};
+
+        notification = {redir-ignore = true;};
+        notify = {redir-ignore = true;};
+      };
+    };
+  };
 }