diff --git a/nvim/README.md b/nvim/README.md
index 6f60903..1c4d666 100644
--- a/nvim/README.md
+++ b/nvim/README.md
@@ -6,7 +6,7 @@ Because nvim have some breaking changes sometimes. I can not alwaexys use the la
 
 ### Backup
 
-Execute `get_packer_snapshot.sh`. This script will backup all the plugin commit information to a json file.
+Execute `get_packer_snapshot.sh`. And it will open vim, you should exit vim, and then it will backup all the plugin commit information to a json file.
 
 ### Restore
 
diff --git a/nvim/lock-v0.8.2.json b/nvim/lock-v0.8.2.json
new file mode 100644
index 0000000..42a77d5
--- /dev/null
+++ b/nvim/lock-v0.8.2.json
@@ -0,0 +1 @@
+{"nvim-dap": {"commit": "69b7c68"}, "FixCursorHold.nvim": {"commit": "70a9516"}, "nvcode-color-schemes.vim": {"commit": "3a0e624"}, "telescope-fzf-native.nvim": {"commit": "fab3e22"}, "codi.vim": {"commit": "6537ba6"}, "packer.nvim": {"commit": "dac4088"}, "nvim-lspconfig": {"commit": "6b43ce5"}, "playground": {"commit": "8a887bc"}, "numb.nvim": {"commit": "d95b7ea"}, "nvim-treesitter": {"commit": "12e95e1"}, "cmp-cmdline": {"commit": "23c51b2"}, "telescope-file-browser.nvim": {"commit": "304508f"}, "aerial.nvim": {"commit": "6050ff7"}, "cmp-nvim-lsp": {"commit": "5922477"}, "friendly-snippets": {"commit": "484fb38"}, "vim-vsnip": {"commit": "8dde8c0"}, "nvim-autopairs": {"commit": "03580d7"}, "nvim-colorizer.lua": {"commit": "36c610a"}, "nvim-comment": {"commit": "e9ac16a"}, "tabular": {"commit": "339091a"}, "vim-fugitive": {"commit": "99cdb88"}, "rnvimr": {"commit": "64579c4"}, "gitsigns.nvim": {"commit": "2ab3bdf"}, "glow.nvim": {"commit": "20d1cd0"}, "lspkind-nvim": {"commit": "c68b3a0"}, "which-key.nvim": {"commit": "8682d30"}, "telescope.nvim": {"commit": "a606bd1"}, "telescope-project.nvim": {"commit": "8e8ee37"}, "trouble.nvim": {"commit": "897542f"}, "nvim-ts-context-commentstring": {"commit": "4a42b30"}, "lsp_signature.nvim": {"commit": "1979f11"}, "one-monokai-vim": {"commit": "4fdfd93"}, "gruvbox.nvim": {"commit": "c64ec55"}, "nvim-lsp-installer": {"commit": "17e0bfa"}, "dashboard-nvim": {"commit": "d82ddae"}, "LuaSnip": {"commit": "e687d78"}, "vim-go-coverage": {"commit": "d9b0c9f"}, "nvim-dap-ui": {"commit": "54365d2"}, "popup.nvim": {"commit": "b7404d3"}, "cmp-vsnip": {"commit": "989a8a7"}, "nvim-bqf": {"commit": "b418b0a"}, "FTerm.nvim": {"commit": "d132089"}, "nvim-dap-virtual-text": {"commit": "2971ce3"}, "neotest-go": {"commit": "981406c"}, "nvim-ts-autotag": {"commit": "fdefe46"}, "neotest": {"commit": "414b43f"}, "vim-matchup": {"commit": "db5120d"}, "nvim-luapad": {"commit": "a5b3d6a"}, "monokai.nvim": {"commit": "45427b2"}, "lspsaga.nvim": {"commit": "5faeec9"}, "vim-markdown": {"commit": "df4be86"}, "hop.nvim": {"commit": "75f73d3"}, "barbar.nvim": {"commit": "bb2e5e4"}, "nvim-tree.lua": {"commit": "bac962c"}, "bracey.vim": {"commit": "4e1a22a"}, "fzf-lua": {"commit": "7bb05a7"}, "lsp-rooter.nvim": {"commit": "7c83364"}, "toggleterm.nvim": {"commit": "f494c61"}, "plenary.nvim": {"commit": "4b7e520"}, "nvim-cmp": {"commit": "c49ad26"}, "telescope-dap.nvim": {"commit": "313d2ea"}, "galaxyline.nvim": {"commit": "be96f3d"}, "markdown-preview.nvim": {"commit": "02cc387"}, "nvim-web-devicons": {"commit": "05e1072"}, "DAPInstall.nvim": {"commit": "bbda2b0"}, "neodev.nvim": {"commit": "c045c0f"}, "cmp-path": {"commit": "91ff86c"}, "cmp-buffer": {"commit": "3022dbc"}}
diff --git a/nvim/lua/colorscheme.lua b/nvim/lua/colorscheme.lua
index 5b6e402..3d5558b 100644
--- a/nvim/lua/colorscheme.lua
+++ b/nvim/lua/colorscheme.lua
@@ -1,9 +1,9 @@
 vim.cmd('let g:nvcode_termcolors=256')
 
 
-local cc = 'gruvbox'
---cc = 'lunar'
-vim.o.background="light"
+--local cc = 'gruvbox'
+local cc = 'lunar'
+vim.o.background="dark"
 vim.cmd('colorscheme ' .. cc)
 
 --require('monokai')