diff --git a/README.md b/README.md
index 41139505..5ea067e3 100644
--- a/README.md
+++ b/README.md
@@ -24,8 +24,8 @@ If you are experiencing issues, please make sure you have the latest versions.
 External Requirements:
 - Basic utils: `git`, `make`, `unzip`, C Compiler (`gcc`)
 - [ripgrep](https://github.com/BurntSushi/ripgrep#installation),
-  [fd-find](https://github.com/sharkdp/fd#installation)
-- Clipboard tool (xclip/xsel/win32yank or other depending on the platform)
+- [fd-find](https://github.com/sharkdp/fd#installation)
+- Clipboard tool (xclip/xsel/win32yank or other dependiing on the platform)
 - A [Nerd Font](https://www.nerdfonts.com/): optional, provides various icons
   - if you have it set `vim.g.have_nerd_font` in `init.lua` to true
 - Emoji fonts (Ubuntu only, and only if you want emoji!) `sudo apt install fonts-noto-color-emoji`
diff --git a/init.lua b/init.lua
index f3df5ee2..81363841 100644
--- a/init.lua
+++ b/init.lua
@@ -40,7 +40,6 @@ What is Kickstart?
     - :help lua-guide
     - (or HTML version): https://neovim.io/doc/user/lua-guide.html
 
-Kickstart Guide:
 
   TODO: The very first thing you should do is to run the command `:Tutor` in Neovim.
 
@@ -166,6 +165,7 @@ vim.o.scrolloff = 10
 vim.o.confirm = true
 
 -- [[ Basic Keymaps ]]
+
 --  See `:help vim.keymap.set()`
 
 -- Clear highlights on search when pressing <Esc> in normal mode
@@ -436,14 +436,6 @@ require('lazy').setup({
       vim.keymap.set('n', '<leader>s.', builtin.oldfiles, { desc = '[S]earch Recent Files ("." for repeat)' })
       vim.keymap.set('n', '<leader><leader>', builtin.buffers, { desc = '[ ] Find existing buffers' })
 
-      ---Setting Custom key map
-      vim.api.nvim_create_autocmd('FileType', {
-        pattern = 'dart',
-        callback = function()
-          vim.keymap.set('n', '<S-F10>', ':!dart run %<CR>', { desc = 'Run Dart file' })
-        end,
-      })
-
       -- Slightly advanced example of overriding default behavior and theme
       vim.keymap.set('n', '<leader>/', function()
         -- You can pass additional configuration to Telescope to change the theme, layout, etc.
@@ -497,11 +489,11 @@ require('lazy').setup({
       { 'j-hui/fidget.nvim', opts = {} },
 
       -- Allows extra capabilities provided by blink.cmp
-      'saghen/blink.cmp',
+      { 'saghen/blink.cmp' },
     },
     config = function()
       -- Brief aside: **What is LSP?**
-      --
+
       -- LSP is an initialism you've probably heard, but might not understand what it is.
       --
       -- LSP stands for Language Server Protocol. It's a protocol that helps editors
@@ -842,7 +834,12 @@ require('lazy').setup({
         --
         -- See :h blink-cmp-config-keymap for defining your own keymap
         preset = 'default',
-
+        ['<S-Tab>'] = { 'select_prev', 'snippet_backward', 'fallback' },
+        ['<Tab>'] = { 'select_next', 'snippet_forward', 'fallback' },
+        ['<CR>'] = { 'accept', 'fallback' },
+        ['<Esc>'] = { 'hide', 'fallback' },
+        ['<PageUp>'] = { 'scroll_documentation_up', 'fallback' },
+        ['<PageDown>'] = { 'scroll_documentation_down', 'fallback' },
         -- For more advanced Luasnip keymaps (e.g. selecting choice nodes, expansion) see:
         --    https://github.com/L3MON4D3/LuaSnip?tab=readme-ov-file#keymaps
       },
@@ -985,10 +982,8 @@ require('lazy').setup({
   require 'kickstart.plugins.autopairs',
   require 'kickstart.plugins.neo-tree',
   -- require 'kickstart.plugins.gitsigns', -- adds gitsigns recommend keymaps
-
   -- NOTE: The import below can automatically add your own plugins, configuration, etc from `lua/custom/plugins/*.lua`
   --    This is the easiest way to modularize your config.
-  --
   --  Uncomment the following line and add your plugins to `lua/custom/plugins/*.lua` to get going.
   { import = 'custom.plugins' },
   --
@@ -1018,5 +1013,8 @@ require('lazy').setup({
   },
 })
 
+--custom key map
+require 'custom.keymaps.init'
+
 -- The line beneath this is called `modeline`. See `:help modeline`
 -- vim: ts=2 sts=2 sw=2 et
diff --git a/lua/custom/keymaps/init.lua b/lua/custom/keymaps/init.lua
new file mode 100644
index 00000000..526cb57f
--- /dev/null
+++ b/lua/custom/keymaps/init.lua
@@ -0,0 +1,27 @@
+--keymap reset
+vim.keymap.del('i', '<Tab>')
+vim.keymap.del('i', '<S-Tab>')
+
+--dart
+vim.api.nvim_create_autocmd('FileType', {
+  pattern = 'dart',
+  callback = function()
+    vim.bo.tabstop = 2
+    vim.bo.shiftwidth = 2
+    vim.bo.softtabstop = 2
+    vim.bo.expandtab = true
+  end,
+})
+--dart run
+vim.api.nvim_create_autocmd('FileType', {
+  pattern = 'dart',
+  callback = function()
+    vim.keymap.set('n', '<S-F10>', ':!dart run --enable-asserts %<CR>', { desc = 'Run Dart file' })
+  end,
+})
+--LSP Menu
+vim.keymap.set('n', '<leader>ca', function()
+  vim.lsp.buf.code_action {
+    apply = false,
+  }
+end, { desc = 'Quick fix (Dart LSP)' })
diff --git a/lua/custom/plugins/hlchunk.lua b/lua/custom/plugins/hlchunk.lua
index 7b12aede..1e155130 100644
--- a/lua/custom/plugins/hlchunk.lua
+++ b/lua/custom/plugins/hlchunk.lua
@@ -2,6 +2,21 @@ return {
   'shellRaining/hlchunk.nvim',
   event = { 'BufReadPre', 'BufNewFile' },
   config = function()
-    require('hlchunk').setup {}
+    require('hlchunk').setup {
+      indent = {
+        enable = true,
+        style = { { fg = '#3c6370' } },
+      },
+      chunk = {
+        enable = true,
+        style = { { fg = '#abb2bf' } },
+      },
+      line_num = {
+        enable = true,
+      },
+      blank = {
+        enable = false,
+      },
+    }
   end,
 }