diff --git a/CHANGELOG.md b/CHANGELOG.md
index 50e3845fa..c070a2beb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -23,6 +23,7 @@ CHANGELOG
 ### Fixed
 
 - Fix vim popup sign not showing.([#141](https://github.com/liuchengxu/vim-clap/pull/141))
+- Fix performance issue of async job.([#140](https://github.com/liuchengxu/vim-clap/issues/140))
 
 ## [0.2] 2019-12-10
 
diff --git a/autoload/clap/forerunner.vim b/autoload/clap/forerunner.vim
index 3f465ef21..a7224d4f2 100644
--- a/autoload/clap/forerunner.vim
+++ b/autoload/clap/forerunner.vim
@@ -158,7 +158,7 @@ else
   function! clap#forerunner#start(cmd) abort
     let s:chunks = []
     let g:clap_forerunner_status_sign = g:clap_forerunner_status_sign_running
-    call clap#forerunner#refresh()
+    call clap#spinner#refresh()
     call clap#rooter#run(function('s:start_forerunner'), a:cmd)
   endfunction
 endif
diff --git a/autoload/clap/provider/tags.vim b/autoload/clap/provider/tags.vim
index 61acf219a..5030e49fd 100644
--- a/autoload/clap/provider/tags.vim
+++ b/autoload/clap/provider/tags.vim
@@ -7,15 +7,14 @@ set cpoptions&vim
 let s:tags = {}
 
 function! s:tags.source(...) abort
-  if !exists('t:vista')
-    let [bufnr, winnr, fname, fpath] = [
-          \ g:clap.start.bufnr,
-          \ g:clap.start.winid,
-          \ bufname(g:clap.start.bufnr),
-          \ expand('#'.g:clap.start.bufnr.':p')
-          \ ]
-    call vista#source#Update(bufnr, winnr, fname, fpath)
-  endif
+  let [bufnr, winnr, fname, fpath] = [
+        \ g:clap.start.bufnr,
+        \ g:clap.start.winid,
+        \ bufname(g:clap.start.bufnr),
+        \ expand('#'.g:clap.start.bufnr.':p')
+        \ ]
+
+  call vista#source#Update(bufnr, winnr, fname, fpath)
 
   let [data, _, _] = call('vista#finder#GetSymbols', a:000)