diff --git a/autoload/SpaceVim.vim b/autoload/SpaceVim.vim
index 0b3de5eae..e4a156a27 100644
--- a/autoload/SpaceVim.vim
+++ b/autoload/SpaceVim.vim
@@ -1749,7 +1749,6 @@ function! s:lazy_end(...) abort
 
 endfunction
 
-function! SpaceVim#end() abort
   let g:_spacevim_mappings_prefixs['[SPC]'] = {'name' : '+SPC prefix'}
   let g:_spacevim_mappings_space.t = {'name' : '+Toggles'}
   let g:_spacevim_mappings_space.t.h = {'name' : '+Toggles highlight'}
@@ -1771,6 +1770,8 @@ function! SpaceVim#end() abort
   let g:_spacevim_mappings_space.d = {'name' : '+Debug'}
   let g:_spacevim_mappings_space.e = {'name' : '+Errors/Encoding'}
   let g:_spacevim_mappings_space.B = {'name' : '+Global buffers'}
+
+function! SpaceVim#end() abort
   let &tabline = ' '
   if has('timers')
     call timer_start(g:spacevim_lazy_conf_timeout, function('s:lazy_end'))
diff --git a/autoload/SpaceVim/layers/lang/qml.vim b/autoload/SpaceVim/layers/lang/qml.vim
index c1f39229a..40a7deba0 100644
--- a/autoload/SpaceVim/layers/lang/qml.vim
+++ b/autoload/SpaceVim/layers/lang/qml.vim
@@ -21,3 +21,9 @@ function! SpaceVim#layers#lang#qml#plugins() abort
   call add(plugins, [g:_spacevim_root_dir . 'bundle/vim-qml', {'merged' : 0}])
   return plugins
 endfunction
+
+function! SpaceVim#layers#lang#qml#health() abort
+
+  return 1
+
+endfunction
diff --git a/autoload/SpaceVim/plugins/a.vim b/autoload/SpaceVim/plugins/a.vim
index 8f772ae84..15260b366 100644
--- a/autoload/SpaceVim/plugins/a.vim
+++ b/autoload/SpaceVim/plugins/a.vim
@@ -108,7 +108,13 @@ else
   " saving cache
 
   function! s:cache() abort
-    silent call writefile([s:JSON.json_encode(s:project_config)], s:FILE.unify_path(s:cache_path, ':p'))
+    try
+      let rst = writefile([s:JSON.json_encode(s:project_config)], s:FILE.unify_path(s:cache_path, ':p'))
+      if rst !=# 0
+        call s:LOGGER.info('failed to write cache')
+      endif
+    catch
+    endtry
   endfunction
 
   function! s:load_cache() abort
diff --git a/autoload/SpaceVim/plugins/projectmanager.vim b/autoload/SpaceVim/plugins/projectmanager.vim
index c84b26a7e..d1c4db2b5 100644
--- a/autoload/SpaceVim/plugins/projectmanager.vim
+++ b/autoload/SpaceVim/plugins/projectmanager.vim
@@ -102,7 +102,13 @@ else
   let s:project_cache_path = s:FILE.unify_path(g:spacevim_data_dir, ':p') . 'SpaceVim/projects.json'
 
   function! s:cache() abort
-    call writefile([s:JSON.json_encode(s:project_paths)], s:FILE.unify_path(s:project_cache_path, ':p'))
+    try
+      let rst = writefile([s:JSON.json_encode(s:project_paths)], s:FILE.unify_path(s:project_cache_path, ':p'))
+      if rst !=# 0
+        call s:LOGGER.info('failed to write cache')
+      endif
+    catch
+    endtry
   endfunction
 
   function! s:load_cache() abort
diff --git a/lua/spacevim/plugin/statusline.lua b/lua/spacevim/plugin/statusline.lua
index 9e1607b23..88f784ce8 100644
--- a/lua/spacevim/plugin/statusline.lua
+++ b/lua/spacevim/plugin/statusline.lua
@@ -1248,7 +1248,11 @@ function M.remove_section(name)
   vim.g.spacevim_statusline_right = right
   vim.opt_local.statusline = M.get(1)
 end
-function M.health() end
+function M.health()
+
+  return true
+
+end
 function M.init()
   local group = vim.api.nvim_create_augroup('spacevim_statusline', { clear = true })
   vim.api.nvim_create_autocmd({ 'BufWinEnter', 'WinEnter', 'FileType', 'BufWritePost' }, {