diff --git a/nvim/init.vim b/nvim/init.vim
index 899be1e..698809b 100644
--- a/nvim/init.vim
+++ b/nvim/init.vim
@@ -81,14 +81,9 @@ if has('nvim')
   Plug 'nvim-lua/plenary.nvim'
   Plug 'nvim-lua/popup.nvim'
   Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}
-  " Plug 'zbirenbaum/copilot.lua'
-  " Plug 'zbirenbaum/copilot-cmp'
-  " Plug 'nvim-telescope/telescope.nvim'
 
-  " Plug 'TimUntersberger/neogit'
   Plug 'akinsho/bufferline.nvim'
   Plug 'andweeb/presence.nvim'
-  Plug 'f-person/git-blame.nvim'
   Plug 'folke/which-key.nvim'
   Plug 'glepnir/dashboard-nvim'
   Plug 'kyazdani42/nvim-tree.lua'
@@ -146,7 +141,6 @@ if has('nvim')
   source ~/.config/nvim/plugin-confs/bufferline.lua
   source ~/.config/nvim/plugin-confs/dashboard-art.vim
   source ~/.config/nvim/plugin-confs/dashboard-nvim.lua
-  source ~/.config/nvim/plugin-confs/git-blame.lua
   source ~/.config/nvim/plugin-confs/gitsigns.lua
   source ~/.config/nvim/plugin-confs/lspfuzzy.lua
   source ~/.config/nvim/plugin-confs/lualine.lua
@@ -166,7 +160,7 @@ if has('nvim')
   source ~/.config/nvim/plugin-confs/nvim-cmp.lua
   source ~/.config/nvim/plugin-confs/fidget.lua
   source ~/.config/nvim/plugin-confs/symbols-outline.lua
-  source ~/.config/nvim/plugin-confs/trouble.lua
+  " source ~/.config/nvim/plugin-confs/trouble.lua
 
   " nvim and vim plugins
   source ~/.vim/plugin-confs/floaterm.vim
@@ -263,9 +257,10 @@ command! -bang -nargs=? -complete=dir Files
     \ call fzf#vim#files(<q-args>, fzf#vim#with_preview({'options': ['--layout=reverse', '--info=inline', '--preview', '~/.vim/plugged/fzf.vim/bin/preview.sh']}), <bang>0)
 
 command! -bang -nargs=? -complete=dir AllFiles
-  \ call fzf#run(fzf#wrap('allfiles', fzf#vim#with_preview({'dir': <q-args>, 'sink': 'e', 'source': 'rg --files --hidden --no-ignore', 'options': ['--layout=reverse', '--preview', '~/.vim/plugged/fzf.vim/bin/preview.sh']}), <bang>0))
+    \ call fzf#run(fzf#wrap('allfiles', fzf#vim#with_preview({'dir': <q-args>, 'sink': 'e', 'source': 'rg --files --hidden --no-ignore', 'options': ['--layout=reverse', '--preview', '~/.vim/plugged/fzf.vim/bin/preview.sh']}), <bang>0))
 
-command! Lines call fzf#vim#lines(<q-args>, fzf#vim#with_preview({'options': ['--layout=reverse']}), <bang>0)
+command! -bang -nargs=? -complete=dir Lines
+    \ call fzf#vim#lines(<q-args>, ({'options': ['--layout=reverse']}), <bang>0)
 
 command! -bang -nargs=? -complete=dir Buffers
     \ call fzf#vim#buffers(<q-args>, fzf#vim#with_preview({'options': ['--layout=reverse', '--info=inline', '--preview', '~/.vim/plugged/fzf.vim/bin/preview.sh']}), <bang>0)
diff --git a/nvim/keybindings.vim b/nvim/keybindings.vim
index e9532bd..f8c4b15 100644
--- a/nvim/keybindings.vim
+++ b/nvim/keybindings.vim
@@ -26,7 +26,7 @@ nmap gDc :lua vim.lsp.buf.declaration()<CR>
 nmap gDf :lua vim.lsp.buf.definition()<CR>
 nmap gF :edit <cfile><cr>
 nmap gT :lua vim.lsp.buf.type_definition()<CR>
-nmap gb :lua vim.lsp.buf.document_symbol()<CR>
+nmap gb :Gitsigns blame_line<CR>
 " nmap gd :lua vim.lsp.buf.definition()<CR>
 nmap gi :lua vim.lsp.buf.implementation()<CR>
 nmap gl :lua vim.lsp.buf.code_lens()<CR>
@@ -56,7 +56,7 @@ nmap <silent> <Leader>fa :DashboardFindWord<CR>
 nmap <silent> <Leader>fb :DashboardJumpMark<CR>
 nmap <silent> <Leader>fh :DashboardFindHistory<CR>
 
-nmap <leader>gb :GitBlameToggle<CR>
+nmap <leader>gb :Gitsigns blame_line<CR>
 nmap <leader>gc :Commits<CR>
 nmap <leader>gf :GitFiles<CR>
 " nmap <leader>gg :Neogit<CR>
@@ -123,11 +123,11 @@ nmap <leader>wa :lua vim.lsp.buf.add_workspace_folder()<CR>
 nmap <leader>wl :lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>
 nmap <leader>wr :lua vim.lsp.buf.remove_workspace_folder()<CR>
 
-nnoremap <leader>xd <cmd>TroubleToggle document_diagnostics<cr>
-nnoremap <leader>xl <cmd>TroubleToggle loclist<cr>
-nnoremap <leader>xq <cmd>TroubleToggle quickfix<cr>
-nnoremap <leader>xw <cmd>TroubleToggle workspace_diagnostics<cr>
-nnoremap <leader>xx <cmd>TroubleToggle<cr>
+" nnoremap <leader>xd <cmd>TroubleToggle document_diagnostics<cr>
+" nnoremap <leader>xl <cmd>TroubleToggle loclist<cr>
+" nnoremap <leader>xq <cmd>TroubleToggle quickfix<cr>
+" nnoremap <leader>xw <cmd>TroubleToggle workspace_diagnostics<cr>
+" nnoremap <leader>xx <cmd>TroubleToggle<cr>
 
 nmap <leader>y "+
 vmap <leader>y "+
diff --git a/nvim/plugin-confs/lsp-signature.lua b/nvim/plugin-confs/lsp-signature.lua
index afb7bb4..899f9e7 100644
--- a/nvim/plugin-confs/lsp-signature.lua
+++ b/nvim/plugin-confs/lsp-signature.lua
@@ -6,29 +6,27 @@ cfg = {
 
     bind = true, -- This is mandatory, otherwise border config won't get registered.
     -- If you want to hook lspsaga or other signature handler, pls set to false
-    doc_lines = 10, -- will show two lines of comment/doc(if there are more than two lines in doc, will be truncated);
+    doc_lines = 12, -- will show two lines of comment/doc(if there are more than two lines in doc, will be truncated);
     -- set to 0 if you DO NOT want any API comments be shown
     -- This setting only take effect in insert mode, it does not affect signature help in normal
     -- mode, 10 by default
 
     floating_window = true, -- show hint in a floating window, set to false for virtual text only mode
-
     floating_window_above_cur_line = true, -- try to place the floating above the current line when possible Note:
     -- will set to true when fully tested, set to false will use whichever side has more space
     -- this setting will be helpful if you do not want the PUM and floating win overlap
 
     floating_window_off_x = 1, -- adjust float windows x position.
-    floating_window_off_y = 1, -- adjust float windows y position.
-
+    floating_window_off_y = -1, -- adjust float windows y position.
 
     fix_pos = false, -- set to true, the floating window will not auto-close until finish all parameters
     hint_enable = true, -- virtual hint enable
     hint_prefix = " ", -- Panda for parameter
     hint_scheme = "String",
     hi_parameter = "LspSignatureActiveParameter", -- how your parameter will be highlight
-    max_height = 12, -- max height of signature floating_window, if content is more than max_height, you can scroll down
+    max_height = 15, -- max height of signature floating_window, if content is more than max_height, you can scroll down
     -- to view the hiding contents
-    max_width = 40, -- max_width of signature floating_window, line will be wrapped if exceed max_width
+    max_width = 85, -- max_width of signature floating_window, line will be wrapped if exceed max_width
     handler_opts = {
         border = "rounded" -- double, rounded, single, shadow, none
     },
diff --git a/nvim/plugin-confs/lspconfig.lua b/nvim/plugin-confs/lspconfig.lua
index 50ed11c..25735c6 100644
--- a/nvim/plugin-confs/lspconfig.lua
+++ b/nvim/plugin-confs/lspconfig.lua
@@ -185,7 +185,7 @@ lsp_installer.on_server_ready(function(server)
 end)
 
 
-local servers = { 'jedi_language_server', 'bashls', 'vimls', 'yamlls', 'dockerls', 'html', 'sumneko_lua', 'rust_analyzer', 'clangd', 'ansiblels' }
+local servers = { 'jedi_language_server', 'bashls', 'vimls', 'yamlls', 'dockerls', 'sumneko_lua', 'rust_analyzer', 'clangd', 'ansiblels' }
 for _, lsp in pairs(servers) do
     require('lspconfig')[lsp].setup {
         on_attach = on_attach,
@@ -196,4 +196,4 @@ for _, lsp in pairs(servers) do
     }
 end
 
-require 'lspconfig'.bashls.setup {}
+-- require 'lspconfig'.bashls.setup {}
diff --git a/nvim/plugin-confs/null-ls.lua b/nvim/plugin-confs/null-ls.lua
index 9bb897b..ff9843c 100644
--- a/nvim/plugin-confs/null-ls.lua
+++ b/nvim/plugin-confs/null-ls.lua
@@ -43,6 +43,7 @@ require("null-ls").setup({
         }),
         null_ls.builtins.formatting.black,
         null_ls.builtins.formatting.isort,
+        -- null_ls.builtins.formatting.tidy
     },
 })