diff --git a/lua/core/keymap.lua b/lua/core/keymap.lua
index d396b2e..2f7f49d 100644
--- a/lua/core/keymap.lua
+++ b/lua/core/keymap.lua
@@ -3,11 +3,13 @@
 -- ===
 
 local function mapkey(mode, lhs, rhs, opts)
-    vim.keymap.set(mode, lhs, rhs, vim.tbl_extend("force", { silent = true, nowait = true }, opts or {}))
+	vim.keymap.set(mode, lhs, rhs, vim.tbl_extend("force", { silent = true, nowait = true }, opts or {}))
 end
 
 local function mapcmd(key, cmd)
-	vim.keymap.set("n", key, "<cmd>" .. cmd .. "<cr>", { silent = true })
+	vim.keymap.set("n", key, function()
+		vim.cmd(cmd)
+	end, { silent = true })
 end
 
 local function maplua(modes, key, action, desc)
@@ -180,58 +182,55 @@ mapkey("x", "<s-tab>", "<gv")
 mapkey("x", "<tab>", ">gv")
 
 -- ===
--- === 批量替换
+-- === 批量替换 (修复 Shell 逃逸与正则符冲突版)
 -- ===
 
 -- 替换当前目录及子目录下所有文件内容
 local function search_and_replace()
-	return function ()
-	-- 获取用户输入的查找内容,使用 input() 函数动态输入替换内容
-	local search_text = vim.fn.input("Search for: ")
+	return function()
+		local search_text = vim.fn.input("Search for: ")
+		if search_text == "" then return end
+		local replace_text = vim.fn.input("Replace with: ")
 
-	-- 获取用户输入的替换内容
-	local replace_text = vim.fn.input("Replace with: ")
+		-- 为 sed 转义分隔符 '/'，防止 s/a/b/g 出现语法错误
+		local sed_search = vim.fn.escape(search_text, '/')
+		local sed_replace = vim.fn.escape(replace_text, '/')
 
-	-- 执行替换命令
-	if search_text ~= "" and replace_text ~= "" then
-		local cmd = 'execute "!grep -rl \\"'
-				.. search_text
-				.. '\\" ./ | xargs sed -i \\"s/'
-				.. search_text
-				.. "/"
-				.. replace_text
-				.. '/g\\""'
+		-- 利用内核自动转义并生成安全的单引号包裹
+		local grep_arg = vim.fn.shellescape(search_text)
+		local sed_arg = vim.fn.shellescape('s/' .. sed_search .. '/' .. sed_replace .. '/g')
+
+		-- 执行拼接：grep 增加 -F 参数表示“固定字符串”，彻底无视正则符号(如括号、星号)
+		local cmd = '!grep -rlF ' .. grep_arg .. ' ./ | xargs sed -i ' .. sed_arg
 		vim.cmd(cmd)
-		print("Replaced all occurrences of '" .. search_text .. "' with '" .. replace_text .. "'")
-	else
-		print("Search or replace text cannot be empty.")
-	end
+		-- 强制 Neovim 检查文件在外部的改动并立即刷新 UI
+		vim.cmd("checktime")
+		print("\n✅ Replaced occurrences of '" .. search_text .. "' in workspace.")
 	end
 end
 
 -- 替换当前文件内容
 local function search_and_replace_current_file()
 	return function()
-		-- 获取用户输入的查找内容
 		local search_text = vim.fn.input("Search for in current file: ")
-
-		-- 获取用户输入的替换内容
+		if search_text == "" then return end
 		local replace_text = vim.fn.input("Replace with: ")
 
-		-- 执行替换命令
-		if search_text ~= "" and replace_text ~= "" then
-			-- 使用 sed 替换当前文件中的匹配内容，并正确转义引号
-			local cmd = string.format("!sed -i 's/%s/%s/g' %%", search_text, replace_text)
-			vim.cmd(cmd)
-			print("Replaced all occurrences of '" .. search_text .. "' with '" .. replace_text .. "' in current file.")
-		else
-			print("Search or replace text cannot be empty.")
-		end
+		local sed_search = vim.fn.escape(search_text, '/')
+		local sed_replace = vim.fn.escape(replace_text, '/')
+		local sed_arg = vim.fn.shellescape('s/' .. sed_search .. '/' .. sed_replace .. '/g')
+
+		-- % 代表当前文件
+		local cmd = '!sed -i ' .. sed_arg .. ' %'
+		vim.cmd(cmd)
+
+		vim.cmd("checktime")
+		print("\n✅ Replaced occurrences in current file.")
 	end
 end
 
-maplua("n","<leader>sa",search_and_replace(), "替换当前目录及子目录下所有文件内容")
-maplua("n","<leader>sr",search_and_replace_current_file(), "替换当前文件内容")
+maplua("n", "<leader>sa", search_and_replace(), "替换当前目录及子目录下所有文件内容")
+maplua("n", "<leader>sr", search_and_replace_current_file(), "替换当前文件内容")
 
 -- ===
 -- === 临时“存档”文件当前的版本，并与后续的修改进行 diff 对比
@@ -305,7 +304,9 @@ function map:key(mode, lhs, rhs)
 end
 
 function map:cmd(key, cmd)
-	vim.keymap.set("n", key, "<cmd>" .. cmd .. "<cr>", { silent = true })
+	vim.keymap.set("n", key, function()
+		vim.cmd(cmd)
+	end, { silent = true })
 end
 
 function map:lua(key, txt_or_func)
diff --git a/lua/pack/configs/conform.lua b/lua/pack/configs/conform.lua
index 8f8366c..113908d 100644
--- a/lua/pack/configs/conform.lua
+++ b/lua/pack/configs/conform.lua
@@ -41,7 +41,7 @@ local function get_ensure_installed_for_ft(ft, ft_table)
 end
 
 -- 快捷键纯懒加载：只在按下快捷键时激活
-vim.keymap.set({ "n", "v" }, "<leader>f", function()
+vim.keymap.set({ "n", "x" }, "<leader>f", function()
 	PackUtils.load(P, function()
 		require("conform").setup({ -- At a minimum, you will need to set up some formatters by filetype
 			formatters_by_ft = formatters_by_ft
diff --git a/lua/pack/configs/outline.lua b/lua/pack/configs/outline.lua
new file mode 100644
index 0000000..e3142a7
--- /dev/null
+++ b/lua/pack/configs/outline.lua
@@ -0,0 +1,55 @@
+-- === outline大纲 ===
+if vim.g.vscode then return end
+
+local P = {
+	name = "outline.nvim",
+}
+
+vim.keymap.set({ "n", "x" }, "<leader>v", function()
+	PackUtils.load(P, function()
+		require("outline").setup({
+			outline_window = {
+				position = "left",
+				width = 20,
+			},
+			keymaps = {
+				show_help = "?",
+				close = { "<Esc>", "q" },
+				-- Jump to symbol under cursor.
+				-- It can auto close the outline window when triggered, see
+				-- 'auto_close' option above.
+				goto_location = "<Cr>",
+				-- Jump to symbol under cursor but keep focus on outline window.
+				peek_location = "o",
+				-- Visit location in code and close outline immediately
+				goto_and_close = "<S-Cr>",
+				-- Change cursor position of outline window to match current location in code.
+				-- 'Opposite' of goto/peek_location.
+				restore_location = "<C-g>",
+				-- Open LSP/provider-dependent symbol hover information
+				hover_symbol = "<C-space>",
+				-- Preview location code of the symbol under cursor
+				toggle_preview = "K",
+				rename_symbol = "r",
+				code_actions = "a",
+				-- These fold actions are collapsing tree nodes, not code folding
+				fold = "n",
+				unfold = "i",
+				fold_toggle = "<Tab>",
+				-- Toggle folds for all nodes.
+				-- If at least one node is folded, this action will fold all nodes.
+				-- If all nodes are folded, this action will unfold all nodes.
+				fold_toggle_all = "<S-Tab>",
+				fold_all = "N",
+				unfold_all = "I",
+				fold_reset = "R",
+				-- Move down/up by one line and peek_location immediately.
+				-- You can also use outline_window.auto_jump=true to do this for any
+				-- j/k/<down>/<up>.
+				down_and_jump = "<C-e>",
+				up_and_jump = "<C-u>",
+			},
+		})
+	end)
+	vim.cmd("Outline")
+end, { desc = "Toggle outline" })
diff --git a/lua/pack/configs/tv.lua b/lua/pack/configs/tv.lua
index f27e52b..c7af234 100644
--- a/lua/pack/configs/tv.lua
+++ b/lua/pack/configs/tv.lua
@@ -35,7 +35,7 @@ local function load_plugin()
 	end)
 end
 
-vim.keymap.set({ "n", "v" }, "<c-t>", function()
+vim.keymap.set({ "n", "x" }, "<c-t>", function()
 	load_plugin()
 	if vim.fs.root(0, '.git') then
 		vim.cmd('Tv git-files')
@@ -44,7 +44,7 @@ vim.keymap.set({ "n", "v" }, "<c-t>", function()
 	end
 end, { desc = "Smart Tv: git-files or files" })
 
-vim.keymap.set({ "n", "v" }, "<c-f>", function()
+vim.keymap.set({ "n", "x" }, "<c-f>", function()
 	load_plugin()
 	vim.cmd('Tv text')
 end, { desc = "模糊查找字符串" })
diff --git a/lua/pack/configs/yazi.lua b/lua/pack/configs/yazi.lua
index b6d1989..b876774 100644
--- a/lua/pack/configs/yazi.lua
+++ b/lua/pack/configs/yazi.lua
@@ -15,7 +15,7 @@ local P = {
 }
 
 -- 快捷键触发懒加载
-vim.keymap.set({ "n", "v" }, "tt", function()
+vim.keymap.set({ "n", "x" }, "tt", function()
 	-- 核心：直接调用引擎，把配置逻辑传进去
 	PackUtils.load(P, function()
 	require("yazi").setup({
diff --git a/lua/pack/plugins.lua b/lua/pack/plugins.lua
index db24a6b..444261e 100644
--- a/lua/pack/plugins.lua
+++ b/lua/pack/plugins.lua
@@ -27,6 +27,10 @@ local specs = {
 	"https://github.com/nvim-treesitter/nvim-treesitter-context",
 	-- bufferline.lua 顶部状态栏
 	'https://github.com/akinsho/bufferline.nvim',
+	-- lualine.lua 底部状态栏
+	"https://github.com/nvim-lualine/lualine.nvim",
+	-- outline.lua 大纲、函数变量结构
+	"https://github.com/hedyhli/outline.nvim",
 	-- noice.lua 取代消息、命令行和弹出菜单的 UI
 	"https://github.com/folke/noice.nvim",
 	"https://github.com/MunifTanjim/nui.nvim",
@@ -44,8 +48,6 @@ local specs = {
 	'https://github.com/cap153/peek.nvim',
 	-- yazi.lua 文件管理器
 	'https://github.com/mikavilpas/yazi.nvim',
-	-- lualine.lua 底部状态栏
-	"https://github.com/nvim-lualine/lualine.nvim",
 	-- sudo权限保存文件
 	"https://github.com/lambdalisue/vim-suda",
 	-- 查看可用键位
diff --git a/nvim-pack-lock.json b/nvim-pack-lock.json
index 7389f23..dda2e4e 100644
--- a/nvim-pack-lock.json
+++ b/nvim-pack-lock.json
@@ -80,6 +80,10 @@
       "rev": "6e76c5e47e957fbf080b1fdac165c66dbd2e7cfb",
       "src": "https://github.com/nvim-tree/nvim-web-devicons"
     },
+    "outline.nvim": {
+      "rev": "c293eb56db880a0539bf9d85b4a27816960b863e",
+      "src": "https://github.com/hedyhli/outline.nvim"
+    },
     "peek.nvim": {
       "rev": "803815d18689b8f9e69d433b08ed767d7555128c",
       "src": "https://github.com/cap153/peek.nvim"
diff --git a/snippets/lua.json b/snippets/lua.json
index 49028f1..3a0dd01 100644
--- a/snippets/lua.json
+++ b/snippets/lua.json
@@ -45,7 +45,7 @@
 			"\t\tend)",
 			"\tend",
 			"})",
-			"-- vim.keymap.set({ \"n\", \"v\" }, \"${8:<++>}\", function()",
+			"-- vim.keymap.set({ \"n\", \"x\" }, \"${8:<++>}\", function()",
 			"-- \tPackUtils.load(P, function()",
 			"-- \t\t$9",
 			"-- \tend)",