diff --git a/lua/bookmarks.lua b/lua/bookmarks.lua
index c0bd01e..ca14749 100644
--- a/lua/bookmarks.lua
+++ b/lua/bookmarks.lua
@@ -49,7 +49,6 @@ M.detach_all = void(function(bufnr)
    bufnr = bufnr or current_buf()
    scheduler()
    actions.detach(bufnr)
-   actions.saveBookmarks()
 end)
 
 local function on_or_after_vimenter(fn)
diff --git a/lua/bookmarks/actions.lua b/lua/bookmarks/actions.lua
index 3fccffc..e60896d 100644
--- a/lua/bookmarks/actions.lua
+++ b/lua/bookmarks/actions.lua
@@ -16,35 +16,41 @@ M.detach = function(bufnr, keep_signs)
    end
 end
 
+local function updateBookmarks_fpath(filepath, lnum, mark, ann)
+    if filepath == nil then
+        return
+    end
+    local data = config.cache["data"]
+    local marks = data[filepath]
+    local isIns = false
+    if lnum == -1 then
+        marks = nil
+        isIns = true
+        -- check buffer auto_save to file
+    end
+    for k, _ in pairs(marks or {}) do
+        if k == tostring(lnum) then
+            isIns = true
+            if mark == "" then
+                marks[k] = nil
+            end
+            break
+        end
+    end
+    if isIns == false or ann then
+        marks = marks or {}
+        marks[tostring(lnum)] = ann and { m = mark, a = ann } or { m = mark }
+    end
+    data[filepath] = marks
+    M.saveBookmarks()  -- always save to file
+end
+
 local function updateBookmarks(bufnr, lnum, mark, ann)
    local filepath = uv.fs_realpath(api.nvim_buf_get_name(bufnr))
    if filepath == nil then
       return
    end
-   local data = config.cache["data"]
-   local marks = data[filepath]
-   local isIns = false
-   if lnum == -1 then
-      marks = nil
-      isIns = true
-      -- check buffer auto_save to file
-   end
-   for k, _ in pairs(marks or {}) do
-      if k == tostring(lnum) then
-         isIns = true
-         if mark == "" then
-            marks[k] = nil
-         end
-         break
-      end
-   end
-   if isIns == false or ann then
-      marks = marks or {}
-      marks[tostring(lnum)] = ann and { m = mark, a = ann } or { m = mark }
-      -- check buffer auto_save to file
-      -- M.saveBookmarks()
-   end
-   data[filepath] = marks
+   updateBookmarks_fpath(filepath, lnum, mark, ann)
 end
 
 M.toggle_signs = function(value)
@@ -74,6 +80,12 @@ M.bookmark_toggle = function()
    end
 end
 
+M.bookmark_reload = function()
+    M.loadBookmarks()
+    M.setup()
+    M.refresh()
+end
+
 M.bookmark_clean = function()
    local bufnr = current_buf()
    signs:remove(bufnr)
@@ -99,7 +111,17 @@ M.bookmark_ann = function()
       if answer == nil then return end
       local line = api.nvim_buf_get_lines(bufnr, lnum - 1, lnum, false)[1]
       signs:remove(bufnr, lnum)
-      local text = config.keywords[string.sub(answer or "", 1, 2)]
+      local text = nil
+      local ann = answer or ""
+      if string.sub(ann, 1, 1) == "@" then
+          text = config.keywords[string.sub(ann, 1, 2)]
+      else
+          local first_char = vim.fn.strcharpart(ann, 0, 1)
+          if first_char ~= "" and first_char ~= " " then
+              text = first_char
+          end
+      end
+      
       if text then
          signlines[1]["text"] = text
       end
@@ -108,6 +130,21 @@ M.bookmark_ann = function()
    end)
 end
 
+M.bookmark_del = function(filename, lnum)
+    local buf_list = api.nvim_list_bufs()
+    for _, buf in ipairs(buf_list) do
+        if api.nvim_buf_is_loaded(buf) then
+            local buf_name = api.nvim_buf_get_name(buf)
+            local buf_path = uv.fs_realpath(buf_name)
+            if buf_path == filename or buf_name == filename then
+                signs:remove(buf, lnum)
+                break
+            end
+        end
+    end
+    updateBookmarks_fpath(filename, lnum, "")
+end
+
 local jump_line = function(prev)
    local lnum = api.nvim_win_get_cursor(0)[1]
    local marks = M.bookmark_line()
@@ -177,8 +214,18 @@ M.refresh = function(bufnr)
             type = v.a and "ann" or "add",
             lnum = tonumber(k),
          }
-         local pref = string.sub(v.a or "", 1, 2)
-         local text = config.keywords[pref]
+         local ann = v.a or ""
+         local text = nil
+         if string.sub(ann, 1, 1) == "@" then
+             local pref = string.sub(ann, 1, 2)
+             text = config.keywords[pref]
+         else
+             local first_char = vim.fn.strcharpart(ann, 0, 1)
+             if first_char ~= "" and first_char ~= " " then
+                 text = first_char
+             end
+         end
+
          if text then
             ma["text"] = text
          end
diff --git a/lua/telescope/_extensions/bookmarks.lua b/lua/telescope/_extensions/bookmarks.lua
index f6420d5..f4d8c38 100644
--- a/lua/telescope/_extensions/bookmarks.lua
+++ b/lua/telescope/_extensions/bookmarks.lua
@@ -8,66 +8,107 @@ local pickers = require "telescope.pickers"
 local entry_display = require "telescope.pickers.entry_display"
 local conf = require("telescope.config").values
 local config = require("bookmarks.config").config
+local bm = require("bookmarks")
 local utils = require "telescope.utils"
+local actions = require('telescope.actions')
+local action_state = require('telescope.actions.state')
+local transform_mod = require('telescope.actions.mt').transform_mod
 
 local function get_text(annotation)
-   local pref = string.sub(annotation, 1, 2)
-   local ret = config.keywords[pref]
+   local ret = nil
+   if string.sub(annotation, 1, 1) == "@" then
+       local pref = string.sub(annotation, 1, 2)
+       ret = config.keywords[pref]
+   else
+       local first_char = vim.fn.strcharpart(annotation, 0, 1)
+       if first_char ~= "" and first_char ~= " " then
+           ret = first_char
+       end
+   end
    if ret == nil then
       ret = config.signs.ann.text .. " "
    end
    return ret .. annotation
 end
 
-local function bookmark(opts)
-   opts = opts or {}
-   local allmarks = config.cache.data
-   local marklist = {}
-   for k, ma in pairs(allmarks) do
-      for l, v in pairs(ma) do
-         table.insert(marklist, {
-            filename = k,
-            lnum = tonumber(l),
-            text = v.a and get_text(v.a) or v.m,
-         })
-      end
-   end
-   local display = function(entry)
-      local displayer = entry_display.create {
-         separator = "▏",
-         items = {
+local function get_list() 
+    local allmarks = config.cache.data
+    local marklist = {}
+    for k, ma in pairs(allmarks) do
+        for l, v in pairs(ma) do
+            table.insert(marklist, {
+                filename = k,
+                lnum = tonumber(l),
+                text = v.a and get_text(v.a) or v.m,
+            })
+        end
+    end
+    return marklist
+end
+
+local function display(entry)
+    local displayer = entry_display.create {
+        separator = "▏",
+        items = {
             { width = 5 },
-            { width = 30 },
+            { width = 100 },
             { remaining = true },
-         },
-      }
-      local line_info = { entry.lnum, "TelescopeResultsLineNr" }
-      return displayer {
-         line_info,
-         entry.text:gsub(".* | ", ""),
-         utils.path_smart(entry.filename), -- or path_tail
-      }
-   end
-   pickers.new(opts, {
-      prompt_title = "bookmarks",
-      finder = finders.new_table {
-         results = marklist,
-         entry_maker = function(entry)
+        },
+    }
+    local line_info = { entry.lnum, "TelescopeResultsLineNr" }
+    return displayer {
+        line_info,
+        entry.text:gsub(".* | ", ""),
+        utils.path_tail(entry.filename), -- or path_tail
+    }
+end
+
+local function make_finder()
+    return finders.new_table {
+        results = get_list(),
+        entry_maker = function(entry)
             return {
-               valid = true,
-               value = entry,
-               display = display,
-               ordinal = entry.filename .. entry.text,
-               filename = entry.filename,
-               lnum = entry.lnum,
-               col = 1,
-               text = entry.text,
+                valid = true,
+                value = entry,
+                display = display,
+                ordinal = entry.filename .. entry.text,
+                filename = entry.filename,
+                lnum = entry.lnum,
+                col = 1,
+                text = entry.text,
             }
-         end,
-      },
-      sorter = conf.generic_sorter(opts),
-      previewer = conf.qflist_previewer(opts),
-   }):find()
+        end,
+    }
+end
+
+function bm_delete(prompt_bufnr)
+    local selectedEntry = action_state.get_selected_entry()
+    bm.bookmark_del(selectedEntry.filename, selectedEntry.lnum)
+    local current_picker = action_state.get_current_picker(prompt_bufnr)
+    current_picker:refresh(make_finder())
+end
+
+local bm_actions = transform_mod {
+    delete_selected = bm_delete,
+}
+
+local function bookmark(opts)
+    opts = opts or {}
+    pickers.new(opts, {
+        prompt_title = "bookmarks",
+        finder = make_finder(),
+        sorter = conf.generic_sorter(opts),
+        previewer = conf.qflist_previewer(opts),
+        attach_mappings = function(prompt_bufnr, map)
+            map('n', '<del>', bm_actions.delete_selected)
+            map('i', '<del>', bm_actions.delete_selected)
+            return true
+        end,
+    }):find()
+end
+
+local function bm_reload()
+    bm.bookmark_reload()
 end
 
-return telescope.register_extension { exports = { list = bookmark } }
+return telescope.register_extension { exports = { list = bookmark, actions = bm_actions, reload = bm_reload } }