diff --git a/nvim/lazy-lock.json b/nvim/lazy-lock.json
index 3e66c2b..974e93f 100644
--- a/nvim/lazy-lock.json
+++ b/nvim/lazy-lock.json
@@ -62,5 +62,6 @@
   "vim-illuminate": { "branch": "master", "commit": "49062ab1dd8fec91833a69f0a1344223dd59d643" },
   "vim-repeat": { "branch": "master", "commit": "24afe922e6a05891756ecf331f39a1f6743d3d5a" },
   "vim-startuptime": { "branch": "master", "commit": "6580cf539c33a212f4f5542068a3b4dd2b3ad834" },
+  "vimtex": { "branch": "master", "commit": "b527d75dca0e2fef64b9d0ef8ccd6d707e1c0d33" },
   "which-key.nvim": { "branch": "main", "commit": "5224c261825263f46f6771f1b644cae33cd06995" }
 }
\ No newline at end of file
diff --git a/nvim/lua/plugins/cmp.lua b/nvim/lua/plugins/cmp.lua
index b726f8a..0fa4d85 100644
--- a/nvim/lua/plugins/cmp.lua
+++ b/nvim/lua/plugins/cmp.lua
@@ -12,6 +12,7 @@ return {
     },
     opts = function()
       local cmp = require("cmp")
+      local luasnip = require("luasnip")
       return {
         completion = {
           completeopt = "menu,menuone,noinsert",
@@ -30,6 +31,28 @@ return {
           ["<C-Space>"] = cmp.mapping.complete(),
           ["<C-e>"] = cmp.mapping.abort(),
           ["<CR>"] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
+          ["<C-j>"] = cmp.mapping(function(fallback)
+            if luasnip.expandable() then
+              luasnip.expand()
+            elseif luasnip.expand_or_jumpable() then
+              luasnip.expand_or_jump()
+            else
+              fallback()
+            end
+          end, {
+            "i",
+            "s",
+          }),
+          ["<C-k>"] = cmp.mapping(function(fallback)
+            if luasnip.expand_or_jumpable(-1) then
+              luasnip.jump(-1)
+            else
+              fallback()
+            end
+          end, {
+            "i",
+            "s",
+          }),
         }),
         sources = cmp.config.sources({
           { name = "nvim_lsp" },
diff --git a/nvim/lua/plugins/lsp.lua b/nvim/lua/plugins/lsp.lua
index 9eeb7a7..2b31de6 100644
--- a/nvim/lua/plugins/lsp.lua
+++ b/nvim/lua/plugins/lsp.lua
@@ -74,7 +74,7 @@ return {
             },
           },
         },
-        ltex = {},
+        -- ltex = {},
         jdtls = {},
         gopls = {},
         sqls = {},
diff --git a/nvim/lua/plugins/plugins.lua b/nvim/lua/plugins/plugins.lua
index 3b6e30c..7704469 100644
--- a/nvim/lua/plugins/plugins.lua
+++ b/nvim/lua/plugins/plugins.lua
@@ -91,4 +91,18 @@ return {
       t.load_extension("zoxide")
     end,
   },
+  {
+    "lervag/vimtex",
+    lazy = true,
+    event = "FileType tex",
+    config = function()
+      -- require("vimtex").setup()
+      vim.cmd("let g:vimtex_quickfix_mode=0")
+      vim.cmd("let g:vimtex_view_general_viewer = 'evince'")
+      vim.cmd("let g:vimtex_compiler_method = 'latexmk'")
+      vim.cmd(
+        "let g:vimtex_compiler_latexmk = {'options': ['-pdf', '-shell-escape', '-file-line-error', '--extra-mem-bot=10000000', '-synctex=1', '-interaction=nonstopmode',],}"
+      )
+    end,
+  },
 }