diff --git a/README.md b/README.md
index 3dddf0a..ff2b6ae 100644
--- a/README.md
+++ b/README.md
@@ -66,6 +66,7 @@ opts = {
   paths = { "path_to_your_words" }, -- word source file paths.
   build_command = "" -- Define a Command to rebuild words, eg: `BuildDatWord`, then use `BuildDatWord!` to force rebuild cache.
   spellsuggest = false,-- Enable limited spellsuggest. eg: enter `thsi` give you `this`.
+  resolve = nil -- A source:resolve hook function. see https://cmp.saghen.dev/development/source-boilerplate.html
 }
 ```
 
diff --git a/lua/blink-cmp-dat-word/init.lua b/lua/blink-cmp-dat-word/init.lua
index 450c808..ac8f615 100644
--- a/lua/blink-cmp-dat-word/init.lua
+++ b/lua/blink-cmp-dat-word/init.lua
@@ -22,10 +22,12 @@ local query = require("blink-cmp-dat-word.query")
 ---@field min_keyword_length? number
 ---@field build_command? string
 ---@field spellsuggest? boolean
+---@field resolve? fun(item: lsp.CompletionItem, callback: fun(item: lsp.CompletionItem)) @see https://cmp.saghen.dev/development/source-boilerplate.html
 local default_opts = {
   data_file_dir = vim.fn.stdpath("data"),
   paths = {},
   spellsuggest = false,
+  resolve = nil,
 }
 
 ---New Source.
@@ -164,6 +166,12 @@ function source:get_completions(ctx, callback)
   })
 end
 
+function source:resolve(item, callback)
+  if self.opts.resolve then
+    self.opts.resolve(item, callback)
+  end
+end
+
 function source:get_config_by_key(key, default_value)
   if self.config == nil then
     return default_value