diff --git a/home/base/desktop/editors/neovim/astronvim_user/init.lua b/home/base/desktop/editors/neovim/astronvim_user/init.lua
index be7bcf2e..030eaae4 100644
--- a/home/base/desktop/editors/neovim/astronvim_user/init.lua
+++ b/home/base/desktop/editors/neovim/astronvim_user/init.lua
@@ -445,41 +445,46 @@ return {
           offsetEncoding = "utf-8",
         },
       },
+      scheme_langserver = {
+        filetypes = { "scheme", "scm" },
+        single_file_support = true,
+      },
     },
     -- enable servers that installed by home-manager instead of mason
     servers = {
       ---- Frontend & NodeJS
-      "tsserver",   -- typescript/javascript language server
-      "tailwindcss", -- tailwindcss language server
-      "html",       -- html language server
-      "cssls",      -- css language server
-      "prismals",   -- prisma language server
-      "volar",      -- vue language server
+      "tsserver",       -- typescript/javascript language server
+      "tailwindcss",    -- tailwindcss language server
+      "html",           -- html language server
+      "cssls",          -- css language server
+      "prismals",       -- prisma language server
+      "volar",          -- vue language server
       ---- Configuration Language
-      "marksman",   -- markdown ls
-      "jsonls",     -- json language server
-      "yamlls",     -- yaml language server
-      "taplo",      -- toml language server
+      "marksman",       -- markdown ls
+      "jsonls",         -- json language server
+      "yamlls",         -- yaml language server
+      "taplo",          -- toml language server
       ---- Backend
-      "lua_ls",     -- lua
-      "gopls",      -- go
-      "rust_analyzer", -- rust
-      "pyright",    -- python
-      "ruff_lsp",   -- extremely fast Python linter and code transformation
-      "jdtls",      -- java
-      "nil_ls",     -- nix language server
-      "bufls",      -- protocol buffer language server
-      "zls",        -- zig language server
+      "lua_ls",         -- lua
+      "gopls",          -- go
+      "rust_analyzer",  -- rust
+      "pyright",        -- python
+      "ruff_lsp",       -- extremely fast Python linter and code transformation
+      "jdtls",          -- java
+      "nil_ls",         -- nix language server
+      "bufls",          -- protocol buffer language server
+      "zls",            -- zig language server
       ---- HDL
-      "verible",    -- verilog language server
+      "verible",        -- verilog language server
       ---- Operation & Cloud Nativautoindente
-      "bashls",     -- bash
-      "cmake",      -- cmake language server
-      "clangd",     -- c/c++
-      "dockerls",   -- dockerfile
-      "jsonnet_ls", -- jsonnet language server
-      "terraformls", -- terraform hcl
-      "nushell",    -- nushell language server
+      "bashls",         -- bash
+      "cmake",          -- cmake language server
+      "clangd",         -- c/c++
+      "dockerls",       -- dockerfile
+      "jsonnet_ls",     -- jsonnet language server
+      "terraformls",    -- terraform hcl
+      "nushell",        -- nushell language server
+      "scheme_langserver", -- scheme language server
     },
     formatting = {
       disabled = {},