diff --git a/.config/nvim/.github/README.md b/.config/nvim/.github/README.md
index 42a9f6a7..892df61e 100644
--- a/.config/nvim/.github/README.md
+++ b/.config/nvim/.github/README.md
@@ -443,6 +443,7 @@
 
 - [folke/edgy.nvim](https://dotfyle.com/plugins/folke/edgy.nvim)
 - [anuvyklack/windows.nvim](https://dotfyle.com/plugins/anuvyklack/windows.nvim)
+- [nvim-zh/colorful-winsep.nvim](https://dotfyle.com/plugins/nvim-zh/colorful-winsep.nvim)
 - [mrjones2014/smart-splits.nvim](https://dotfyle.com/plugins/mrjones2014/smart-splits.nvim)
 - [aserowy/tmux.nvim](https://dotfyle.com/plugins/aserowy/tmux.nvim)
 - [sindrets/winshift.nvim](https://dotfyle.com/plugins/sindrets/winshift.nvim)
diff --git a/.config/nvim/lua/plugins/extras/ui/colorful-winsep.lua b/.config/nvim/lua/plugins/extras/ui/colorful-winsep.lua
new file mode 100644
index 00000000..cc9b1318
--- /dev/null
+++ b/.config/nvim/lua/plugins/extras/ui/colorful-winsep.lua
@@ -0,0 +1,21 @@
+return {
+  "nvim-zh/colorful-winsep.nvim",
+  event = "WinNew",
+  opts = {
+    no_exec_files = {
+      "packer",
+      "TelescopePrompt",
+      "CompetiTest",
+      "netrw",
+      "NvimTree",
+      "lazy",
+      "mason",
+      "oil",
+      "neo-tree",
+      "symbols-outline",
+      "vim-be-good",
+      "oil",
+      "outline",
+    },
+  },
+}
diff --git a/.config/nvim/lua/plugins/extras/ui/colorschemes/catppuccin.lua b/.config/nvim/lua/plugins/extras/ui/colorschemes/catppuccin.lua
index f9a330ec..b444e8d2 100644
--- a/.config/nvim/lua/plugins/extras/ui/colorschemes/catppuccin.lua
+++ b/.config/nvim/lua/plugins/extras/ui/colorschemes/catppuccin.lua
@@ -40,9 +40,14 @@ return {
           dim_context = false,
           alt_background = false,
         },
+        colorful_winsep = {
+          enabled = true,
+          color = "lavender",
+        },
         dap = true,
         dap_ui = true,
         dashboard = true,
+        diffview = true,
         flash = true,
         headlines = true,
         gitsigns = true,