diff --git a/lua/keymaps.lua b/lua/keymaps.lua
index 4529acc..2d70872 100644
--- a/lua/keymaps.lua
+++ b/lua/keymaps.lua
@@ -30,3 +30,15 @@ nnoremap("<leader>G", ":tab G<CR>")
 nnoremap("<leader>ff", "<Cmd>Telescope find_files theme=dropdown<CR>")
 nnoremap("<leader>fb", "<Cmd>Telescope buffers theme=dropdown<CR>")
 nnoremap("<leader>fg", "<Cmd>Telescope git_files theme=dropdown<CR>")
+
+-- terminal
+function _G.set_terminal_keymaps()
+  local opts = {noremap = true}
+  vim.api.nvim_buf_set_keymap(0, 't', '<esc>', [[<C-\><C-n>]], opts)
+  vim.api.nvim_buf_set_keymap(0, 't', '<C-h>', [[<C-\><C-n><C-W>h]], opts)
+  vim.api.nvim_buf_set_keymap(0, 't', '<C-j>', [[<C-\><C-n><C-W>j]], opts)
+  vim.api.nvim_buf_set_keymap(0, 't', '<C-k>', [[<C-\><C-n><C-W>k]], opts)
+  vim.api.nvim_buf_set_keymap(0, 't', '<C-l>', [[<C-\><C-n><C-W>l]], opts)
+end
+
+vim.cmd('autocmd! TermOpen term://* lua set_terminal_keymaps()')
diff --git a/lua/plugins.lua b/lua/plugins.lua
index ec54bce..2f550a0 100644
--- a/lua/plugins.lua
+++ b/lua/plugins.lua
@@ -119,6 +119,20 @@ return require('packer').startup(function(use)
 		config = function() require('plugins.telescope') end,
 	})
 
+    -- markdown preview
+    use({'iamcco/markdown-preview.nvim'})
+
+    -- terminal
+    use({
+        "akinsho/nvim-toggleterm.lua",
+        config = function()
+            require("toggleterm").setup({
+                size = 32,
+                open_mapping = [[<F4>]],
+            })
+        end,
+    })
+
 	if packer_bootstrap then
 		require('packer').sync()
 	end