diff --git a/core/utils.coffee b/core/utils.coffee
index 262cc1e..be1feff 100644
--- a/core/utils.coffee
+++ b/core/utils.coffee
@@ -34,3 +34,8 @@ exports.randomString = (length) ->
 
 exports.hashPassword = (password, password_salt) ->
   return exports.sha256 password_salt + exports.sha256(password)
+
+exports.wrapAsync = (func) ->
+  return (callback) ->
+    func (result) ->
+      callback null, result
diff --git a/plugin/linux/index.coffee b/plugin/linux/index.coffee
index 322d898..d33d205 100644
--- a/plugin/linux/index.coffee
+++ b/plugin/linux/index.coffee
@@ -1,5 +1,9 @@
+_ = require 'underscore'
+async = require 'async'
+
 {pluggable, config} = app
 {requireAuthenticate} = app.middleware
+{wrapAsync} = app.utils
 
 linux = require './linux'
 monitor = require './monitor'
@@ -46,21 +50,10 @@ exports.registerServiceHook 'disable',
 
 app.get '/public/monitor', requireAuthenticate, (req, res) ->
   async.parallel
-    resources_usage: (callback) ->
-      linux.getResourceUsageByAccounts (resources_usage) ->
-        callback null, resources_usage
-
-    system: (callback) ->
-      linux.getSystemInfo (system_info) ->
-        callback null, system_info
-
-    storage: (callback) ->
-      linux.getStorageInfo (storage_info) ->
-        callback null, storage_info
-
-    process_list: (callback) ->
-      linux.getProcessList (process_list) ->
-        callback null, process_list
+    resources_usage: wrapAsync linux.getResourceUsageByAccounts
+    system: wrapAsync linux.getSystemInfo
+    storage: wrapAsync linux.getStorageInfo
+    process_list: wrapAsync linux.getProcessList
 
   , (err, result) ->
     exports.render 'monitor', req, result, (html) ->
diff --git a/plugin/linux/linux.coffee b/plugin/linux/linux.coffee
index ef3a43c..23acc2c 100644
--- a/plugin/linux/linux.coffee
+++ b/plugin/linux/linux.coffee
@@ -5,6 +5,7 @@ async = require 'async'
 _ = require 'underscore'
 
 {cache} = app
+{wrapAsync} = app.utils
 
 monitor = require './monitor'
 
@@ -239,13 +240,8 @@ exports.getResourceUsageByAccounts = (callback) ->
     is_json: true
   , (callback) ->
     async.parallel
-      storage_quota: (callback) ->
-        exports.getStorageQuota (storage_quota) ->
-          callback null, storage_quota
-
-      process_list: (callback) ->
-        exports.getProcessList (process_list) ->
-          callback null, process_list
+      storage_quota: wrapAsync exports.getStorageQuota
+      process_list: wrapAsync exports.getProcessList
 
     , (err, result) ->
       resources_usage_by_accounts = []