diff --git a/dotfiles/fish/config.fish b/dotfiles/fish/config.fish
index ebdacbf..37148a4 100644
--- a/dotfiles/fish/config.fish
+++ b/dotfiles/fish/config.fish
@@ -18,6 +18,7 @@ if status is-interactive
     # abbr (from 3.6, --universal is removed)
     abbr -a -- l less
     abbr -a -- ll 'eza -la --icons --git'
+    abbr -a -- qpv 'qpdfview --unique'
 
     zoxide init fish | source
 
diff --git a/dotfiles/neovim/init.lua b/dotfiles/neovim/init.lua
index d37aed4..6445df9 100644
--- a/dotfiles/neovim/init.lua
+++ b/dotfiles/neovim/init.lua
@@ -1,7 +1,7 @@
 -----------------------------------------------------------
 -- Installing plugin manager 'lazy.nvim'
 local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
-if not vim.loop.fs_stat(lazypath) then
+if not (vim.uv or vim.loop).fs_stat(lazypath) then
     vim.fn.system({
         "git",
         "clone",
@@ -131,7 +131,40 @@ require('lazy').setup({
     },
     {
         'folke/trouble.nvim',
-        -- config = function
+        opts = {},
+        cmd = "Trouble",
+        keys = {
+            {
+                "<space>xx",
+                "<cmd>Trouble diagnostics toggle<cr>",
+                desc = "Diagnostics (Trouble)",
+            },
+            {
+                "<space>xX",
+                "<cmd>Trouble diagnostics toggle filter.buf=0<cr>",
+                desc = "Buffer Diagnostics (Trouble)",
+            },
+            {
+                "<space>cs",
+                "<cmd>Trouble symbols toggle focus=false<cr>",
+                desc = "Symbols (Trouble)",
+            },
+            {
+                "<space>cl",
+                "<cmd>Trouble lsp toggle focus=false win.position=bottom<cr>",
+                desc = "LSP Definitions / references / ... (Trouble)",
+            },
+            {
+                "<space>xL",
+                "<cmd>Trouble loclist toggle<cr>",
+                desc = "Location List (Trouble)",
+            },
+            {
+                "<space>xQ",
+                "<cmd>Trouble qflist toggle<cr>",
+                desc = "Quickfix List (Trouble)",
+            },
+        },
     },
     {
         'Julian/lean.nvim',
diff --git a/dotfiles/neovim/lua/lualine_setup.lua b/dotfiles/neovim/lua/lualine_setup.lua
index 7f412d4..ce01287 100644
--- a/dotfiles/neovim/lua/lualine_setup.lua
+++ b/dotfiles/neovim/lua/lualine_setup.lua
@@ -1,7 +1,7 @@
 -- https://qiita.com/uhooi/items/99aeff822d4870a8e269
 local lsp_names = function ()
     local clients = {}
-    for _, client in ipairs(vim.lsp.get_active_clients({ bufnr = 0})) do
+    for _, client in ipairs(vim.lsp.get_clients({ bufnr = 0})) do
         table.insert(clients, client.name)
     end
     return ' ' .. table.concat(clients, ', ')