.config/nvim/lua/plugins/oil.lua

@@ -20,7 +20,7 @@ return {
             ["<leader>v"] = "actions.select_vsplit",
             ["<leader>s"] = "actions.select_split",
             ["<leader>p"] = "actions.preview",
-            ["<backspace>"] = "actions.close",
+            ["<backspace>"] = function() vim.cmd("q!") end,
             ["<leader>r"] = "actions.refresh",
             ["-"] = function() require("oil").open(); save_dir() end,
             ["_"] = "actions.open_cwd",