remap toggle terminal and switch from terminal mode to C-_

nvim/.config/nvim/lua/lupan/plugins.lua

@@ -137,7 +137,7 @@ require('lazy').setup({
     version = "*",
     opts = {
       direction = "float",
-      open_mapping = [[<C-\>]],
+      open_mapping = [[<C-_>]],
     }
   },
 

nvim/.config/nvim/lua/lupan/remap.lua

@@ -75,7 +75,7 @@ vim.keymap.set("n", "<leader>ss", "<cmd>source ~/.config/nvim/after/plugin/luasn
 
 -- terminal
 
-key('t', '<C-g>', '<C-\\><C-n>')
+key('t', '<C-_>', '<C-\\><C-n>')
 
 -- harpoon