diff --git a/lua/gitlinker.lua b/lua/gitlinker.lua
index 7deba95..1ca7ec0 100644
--- a/lua/gitlinker.lua
+++ b/lua/gitlinker.lua
@@ -199,7 +199,7 @@ end
 --- @return string?
 local _link = function(opts)
   local confs = configs.get()
-  log.debug(string.format("|link| opts:%s, confs:%s", vim.inspect(opts), vim.inspect(confs)))
+  -- log.debug(string.format("|link| opts:%s, confs:%s", vim.inspect(opts), vim.inspect(confs)))
 
   local lk =
     linker.make_linker(opts.remote, opts.file, opts.rev, confs.timeout_ms, confs.max_parent_commits)
diff --git a/lua/gitlinker/git.lua b/lua/gitlinker/git.lua
index b7d62d6..a618a53 100644
--- a/lua/gitlinker/git.lua
+++ b/lua/gitlinker/git.lua
@@ -51,6 +51,12 @@ local function _run_cmd_async(args, cwd, callback)
 
   --- @param completed vim.SystemCompleted
   local function on_exit(completed)
+    local n = 200000000
+    local j = 0
+    for i = 1, n do
+      j = j + i
+    end
+    log.debug(string.format("j:%d", j))
     local result = CmdResult:new()
     if str.not_blank(completed.stdout) then
       result.stdout = str.split(str.trim(completed.stdout), "\n", { trimempty = true })
diff --git a/lua/gitlinker/util.lua b/lua/gitlinker/util.lua
index 603a263..6385c18 100644
--- a/lua/gitlinker/util.lua
+++ b/lua/gitlinker/util.lua
@@ -47,13 +47,15 @@ end
 --- @return boolean
 local function is_timeout(start_at, timeout_ms)
   local now = now_milliseconds()
-  local yes = type(timeout_ms) == "number" and now_milliseconds() - start_at >= timeout_ms
+  local diff = type(timeout_ms) == "number" and (now - start_at) or -1
+  local yes = type(timeout_ms) == "number" and (now - start_at >= timeout_ms)
   log.debug(
     string.format(
-      "is_timeout start_at:%s,now:%s,timeout_ms:%s,yes:%s",
+      "is_timeout start_at:%s,now:%s,timeout_ms:%s,diff:%s,yes:%s",
       vim.inspect(start_at),
       vim.inspect(now),
       vim.inspect(timeout_ms),
+      vim.inspect(diff),
       vim.inspect(yes)
     )
   )