diff --git a/.vimrc.bundles b/.vimrc.bundles
index adcfba6..83e6411 100644
--- a/.vimrc.bundles
+++ b/.vimrc.bundles
@@ -136,6 +136,12 @@
         endif
 
     call plug#end()
+
+    " Automatically install missing plugins on startup
+    autocmd VimEnter *
+        \  if len(filter(values(g:plugs), '!isdirectory(v:val.dir)'))
+        \|   PlugInstall --sync | q
+        \| endif
 " }
 
 " only work for Plug.vim
diff --git a/coc-settings.json b/coc-settings.json
new file mode 100644
index 0000000..06a5173
--- /dev/null
+++ b/coc-settings.json
@@ -0,0 +1,3 @@
+{
+    "diagnostic.errorSign": ">"
+}