diff --git a/lua/go/chtsh.lua b/lua/go/chtsh.lua
index 56e7600..c4b58ca 100644
--- a/lua/go/chtsh.lua
+++ b/lua/go/chtsh.lua
@@ -16,7 +16,7 @@ local run = function(...)
     return
   end
   -- log(data)
-  if #data > 0 then
+  if #data > 4 then
     data = vim.list_slice(data, 4, #data)
     local TextView = utils.load_plugin("guihua.lua", "guihua.textview")
     if TextView then
@@ -36,6 +36,8 @@ local run = function(...)
       vim.cmd(cmd)
       vim.cmd("e")
     end
+  else
+    vim.notify("No result " .. vim.inspect(data))
   end
 end
 return { run = run }
diff --git a/lua/go/dap.lua b/lua/go/dap.lua
index 077fcc6..599dae0 100644
--- a/lua/go/dap.lua
+++ b/lua/go/dap.lua
@@ -359,11 +359,15 @@ M.run = function(...)
 
   -- if breakpoint is not set add breakpoint at current pos
   local pts = require("dap.breakpoints").get()
-  if #pts == 0 then
-    require("dap").toggle_breakpoint()
+  if utils.empty(pts)  then
+    require("dap").set_breakpoint()
   end
 
   testfunc = require('go.gotest').get_test_func_name()
+
+  if testfunc then
+   optarg["t"] = true
+  end
   if optarg["t"] then
     dap_cfg.name = dap_cfg.name .. " test"
     dap_cfg.mode = "test"
diff --git a/lua/go/gotest.lua b/lua/go/gotest.lua
index a2be26b..8e5bf24 100644
--- a/lua/go/gotest.lua
+++ b/lua/go/gotest.lua
@@ -60,7 +60,7 @@ M.get_build_tags = function(args)
   if optarg["t"] then
     table.insert(tags, optarg["t"])
   end
-  if #tags > 0 then
+  if type(tags) == 'table' and #tags > 0 then
     return "-tags=" .. table.concat(tags, ","), reminder
   end
 end
@@ -128,7 +128,7 @@ local function run_test(path, args)
   end
 
   if not empty(tags) then
-    cmd = vim.list_extend(cmd, tags)
+    cmd = vim.list_extend(cmd, {tags})
   end
   if not empty(reminder) then
     cmd = vim.list_extend(cmd, reminder)
diff --git a/lua/go/tags.lua b/lua/go/tags.lua
index 26f6946..9d5c0b5 100644
--- a/lua/go/tags.lua
+++ b/lua/go/tags.lua
@@ -1,4 +1,5 @@
 local utils = require("go.utils")
+local log = utils.log
 
 local tags = {}
 -- support -add-tags, --add-options, -remove-tags, -remove-options, clear-tags, clear-options
@@ -32,18 +33,27 @@ tags.modify = function(...)
     table.insert(setup, "-struct")
     table.insert(setup, struct_name)
   end
-  if transform then
-    table.insert(setup, "-transform")
-    table.insert(setup, transform)
-  end
   local arg = { ... }
+  local transflg = false
   for _, v in ipairs(arg) do
     table.insert(setup, v)
+    if v == "-transform" or v == "-t" then
+      transflg = true
+    end
+  end
+  if not transflg then
+    if transform then
+      table.insert(setup, "-transform")
+      table.insert(setup, transform)
+    end
   end
 
   if #arg == 1 and arg[1] ~= "-clear-tags" then
     table.insert(setup, "json")
   end
+
+  log(setup)
+
   -- vim.notify(vim.inspect(setup), vim.lsp.log_levels.DEBUG)
   vim.fn.jobstart(setup, {
     on_stdout = function(_, data, _)
@@ -68,15 +78,24 @@ tags.modify = function(...)
   })
 end
 
+
+-- e.g {"json,xml", "-transform", "camelcase"}
 tags.add = function(...)
   local cmd = { "-add-tags" }
   local arg = { ... }
   if #arg == 0 then
     arg = { "json" }
   end
+
+  local tg = select(1, ...)
+  if tg == "-transform" then
+    table.insert(cmd, 'json')
+  end
+
   for _, v in ipairs(arg) do
     table.insert(cmd, v)
   end
+  log(cmd)
 
   tags.modify(unpack(cmd))
 end
diff --git a/lua/go/utils.lua b/lua/go/utils.lua
index 085c3ed..8b1f1bb 100644
--- a/lua/go/utils.lua
+++ b/lua/go/utils.lua
@@ -336,7 +336,7 @@ function util.load_plugin(name, modulename)
   if has then
     return plugin
   end
-  local pkg =  packer_plugins or nil
+  local pkg = packer_plugins or nil
   if pkg ~= nil then
     -- packer installed
     local has_packer = pcall(require, "packer")
@@ -469,6 +469,9 @@ function util.empty(t)
   if t == nil then
     return true
   end
+  if type(t) ~= "table" then
+    return false
+  end
   return next(t) == nil
 end
 
@@ -540,7 +543,7 @@ function util.lines_from(file)
 end
 
 function util.list_directory()
-   return fn.map(fn.glob(fn.fnameescape("./") .. "/{,.}*/", 1, 1), 'fnamemodify(v:val, ":h:t")')
+  return fn.map(fn.glob(fn.fnameescape("./") .. "/{,.}*/", 1, 1), 'fnamemodify(v:val, ":h:t")')
 end
 
 function util.get_active_buf()