diff --git a/config/init.lua b/config/init.lua
index 3ea87da..44dd5d4 100644
--- a/config/init.lua
+++ b/config/init.lua
@@ -48,21 +48,46 @@ vim.cmd([[
 -- language server setup
 local lspconfig = require('lspconfig')
 
-lspconfig.gopls.setup{}
+-- Go
+lspconfig.gopls.setup{
+    cmd = {"gopls", "server"},
+    filetypes = {"go", "gomod"},
+    settings = {
+        gopls = {
+            analyses = {
+                unusedparams = true,
+            },
+            staticcheck = true,
+        },
+    },
+}
+
+-- C/C++
 lspconfig.clangd.setup{}
+
+-- Lua
 lspconfig.lua_ls.setup{
     settings = {
         Lua = {
-            diagnostics = { globals = { 'vim' } },
+            diagnostics = {globals = {'vim'}},
         },
         telemetry = {
             enable = false,
         },
     },
 }
+
+-- Rust
 lspconfig.rust_analyzer.setup{}
+
+-- Python
 lspconfig.pylsp.setup{}
 
+-- TypeScript
+lspconfig.tsserver.setup{}
+
 -- lsp mappingsd
 vim.keymap.set('n', '<leader>gD', vim.lsp.buf.declaration, opts)
 vim.keymap.set('n', '<leader>gd', vim.lsp.buf.definition, opts)
+vim.keymap.set('n', '<leader>rn', vim.lsp.buf.rename, opts)
+vim.keymap.set('n', '<leader>H', vim.lsp.buf.hover, opts)