diff --git a/README.md b/README.md
index 0f6ae53..08afc8f 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,7 @@ The plugin covers most features required for a gopher.
 - Go 1.18 support, configure your go to `go1.18` in config
 - GoFixPlural, FixStruct, FxiSwitch, Add comment, IfErr, ModTidy, GoGet ... Most of the tools are built on top of
   treesitter AST or go AST. It is fast and accurate.
+- GoCheat get go cheatsheet from [cheat.sh](https://cheat.sh/).
 
 ## Installation
 
@@ -253,6 +254,7 @@ Support table based unit test auto generate, parse current function/method name
 | command                  | Description                                             |
 | ------------------------ | ------------------------------------------------------- |
 | GoTestFunc               | run test for current func                               |
+| GoTestFunc -s            | select the test function you want to run                |
 | GoTestFunc -tags=yourtag | run test for current func with `-tags yourtag` option   |
 | GoTestFile               | run test for current file                               |
 | GoTestFile -tags=yourtag | run test for current folder with `-tags yourtag` option |
@@ -275,6 +277,10 @@ GoTestXXX Arugments
 Note: For GoTestXXX
 You can add available arguments e.g. `GoTest -tags=integration ./internal/web -bench=. -count=1 -`
 
+## GoCheat
+
+Show cheat.sh for api in neovim new buffer. e.g. `GoCheat `sort
+
 ## GoDoc
 
 Show go doc for api in neovim floating window. e.g. `GoDoc fmt.Println`
diff --git a/doc/go.txt b/doc/go.txt
index b63f0d5..9148f20 100644
--- a/doc/go.txt
+++ b/doc/go.txt
@@ -184,8 +184,9 @@ COMMANDS                                                     *go-nvim-commands*
 :GoTestFile {-tags=tagname}                                  *:GoTestFile*
         Test current file
 
-:GoTestFunc {-tags=tagname}                                  *:GoTestFunc*
+:GoTestFunc {args} {-tags=tagname}                           *:GoTestFunc*
         Test current function
+        {args} -s: select the function you want to run
 
 :GoAddTest                                                  *:GoAddTest*
         Add unit test for current function
@@ -194,6 +195,8 @@ COMMANDS                                                     *go-nvim-commands*
         Format code with golines+gofumpt package
 :GoVet                                                          *:GoVet*
         Run go vet
+:GoCheat query                                                  *:GoCheat*
+        Run `curl cheat.sh/go/query`
 :GoGet {package_url}                                            *:GoGet*
         Run go get {package_url}, if package_url not provided, will parse
         current line and use it as url if valid
diff --git a/lua/go.lua b/lua/go.lua
index 152b730..3cce95f 100644
--- a/lua/go.lua
+++ b/lua/go.lua
@@ -141,6 +141,7 @@ function go.setup(cfg)
   )
 
   vim.cmd([[command! -nargs=* GoProject    lua require('go.project').setup(<f-args>)]])
+  vim.cmd([[command! -nargs=* GoCheat      lua require('go.chtsh').run(<f-args>)]])
   -- e.g. GoTestFunc unit
   vim.cmd([[command! -nargs=* GoTestFunc     lua require('go.gotest').test_fun(<f-args>)]])
 
diff --git a/lua/go/chtsh.lua b/lua/go/chtsh.lua
new file mode 100644
index 0000000..58298fa
--- /dev/null
+++ b/lua/go/chtsh.lua
@@ -0,0 +1,24 @@
+local utils = require("go.utils")
+local log = utils.log
+local curl = "curl"
+local run = function(...)
+  local query = select(1, ...)
+  local cmd = string.format('%s cht.sh/go/%s?T', curl, query)
+
+  local data = vim.fn.systemlist(cmd, vim.fn.bufnr('%'))
+
+  data = utils.handle_job_data(data)
+  if not data then
+    return
+  end
+  -- log(data)
+  if #data > 0 then
+    data = vim.list_slice(data, 4, #data)
+    local name = vim.fn.tempname() .. ".go"
+    vim.fn.writefile(data, name)
+    cmd = " silent exe 'e " .. name .. "'"
+    vim.cmd(cmd)
+    vim.cmd('e')
+  end
+end
+return {run = run}
diff --git a/lua/go/format.lua b/lua/go/format.lua
index 5641d79..bd9b154 100644
--- a/lua/go/format.lua
+++ b/lua/go/format.lua
@@ -26,6 +26,10 @@ local run = function(fmtargs, from_buffer, cmd)
     log("formatting... " .. vim.inspect(args), vim.lsp.log_levels.DEBUG)
   end
 
+  if vim.fn.getbufinfo('%')[1].changed == 1 then
+    api.nvim_command("w")
+  end
+
   local old_lines = api.nvim_buf_get_lines(0, 0, -1, true)
   if cmd then
     table.insert(args, 1, cmd)