diff --git a/lua/plugins/10-editor.lua b/lua/plugins/10-editor.lua
index 1681275..52d78a5 100644
--- a/lua/plugins/10-editor.lua
+++ b/lua/plugins/10-editor.lua
@@ -79,6 +79,23 @@ return {
         init = function(_)
             vim.g.loaded_netrw = 1
             vim.g.loaded_netrwPlugin = 1
+
+            vim.api.nvim_create_autocmd("QuitPre", {
+                callback = function()
+                    local invalid_win = {}
+                    local wins = vim.api.nvim_list_wins()
+                    for _, w in ipairs(wins) do
+                        local bufname = vim.api.nvim_buf_get_name(vim.api.nvim_win_get_buf(w))
+                        if bufname:match("NvimTree_") ~= nil then
+                            table.insert(invalid_win, w)
+                        end
+                    end
+                    if #invalid_win == #wins - 1 then
+                        -- Should quit, so we close all invalid windows.
+                        for _, w in ipairs(invalid_win) do vim.api.nvim_win_close(w, true) end
+                    end
+                end
+            })
         end,
     }
 }