diff --git a/lib/cli.js b/lib/cli.js
index 2eaa3682..a21f6bff 100644
--- a/lib/cli.js
+++ b/lib/cli.js
@@ -1,7 +1,7 @@
 var program = require('commander')
 
 var pkg = require('../package')
-var cliargs = require('./util/cliargs')
+var cliutil = require('./util/cliutil')
 
 program
   .version(pkg.version)
@@ -9,11 +9,11 @@ program
 program
   .command('provider [serial..]')
   .description('start provider')
-  .option('-s, --connect-sub <endpoint>', 'sub endpoint', cliargs.list)
-  .option('-p, --connect-push <endpoint>', 'push endpoint', cliargs.list)
+  .option('-s, --connect-sub <endpoint>', 'sub endpoint', cliutil.list)
+  .option('-p, --connect-push <endpoint>', 'push endpoint', cliutil.list)
   .action(function() {
-    var serials = cliargs.allUnknownArgs(arguments)
-      , options = cliargs.lastArg(arguments)
+    var serials = cliutil.allUnknownArgs(arguments)
+      , options = cliutil.lastArg(arguments)
 
     if (!options.connectSub) {
       this.missingArgument('--connect-sub')
@@ -44,8 +44,8 @@ program
 program
   .command('device <serial>')
   .description('start device worker')
-  .option('-s, --connect-sub <endpoint>', 'sub endpoint', cliargs.list)
-  .option('-p, --connect-push <endpoint>', 'push endpoint', cliargs.list)
+  .option('-s, --connect-sub <endpoint>', 'sub endpoint', cliutil.list)
+  .option('-p, --connect-push <endpoint>', 'push endpoint', cliutil.list)
   .action(function(serial, options) {
     if (!options.connectSub) {
       this.missingArgument('--connect-sub')
@@ -67,9 +67,9 @@ program
   .command('coordinator <name>')
   .description('start coordinator')
   .option('-a, --connect-app-dealer <endpoint>', 'app dealer endpoint',
-    cliargs.list)
+    cliutil.list)
   .option('-d, --connect-dev-dealer <endpoint>', 'device dealer endpoint',
-    cliargs.list)
+    cliutil.list)
   .action(function(name, options) {
     if (!options.connectAppDealer) {
       this.missingArgument('--connect-app-dealer')
@@ -110,8 +110,8 @@ program
 program
   .command('console')
   .description('start console')
-  .option('-s, --connect-sub <endpoint>', 'sub endpoint', cliargs.list)
-  .option('-p, --connect-push <endpoint>', 'push endpoint', cliargs.list)
+  .option('-s, --connect-sub <endpoint>', 'sub endpoint', cliutil.list)
+  .option('-p, --connect-push <endpoint>', 'push endpoint', cliutil.list)
   .action(function(options) {
     if (!options.connectSub) {
       this.missingArgument('--connect-sub')
@@ -144,7 +144,7 @@ program
   .option('--bind-dev-pull <endpoint>', 'device pull endpoint',
     String, 'tcp://127.0.0.1:7116')
   .action(function() {
-    var options = cliargs.lastArg(arguments)
+    var options = cliutil.lastArg(arguments)
       , fork = require('child_process').fork
 
     // app triproxy
@@ -182,7 +182,7 @@ program
       'provider'
     , '--connect-sub', options.bindDevPub
     , '--connect-push', options.bindDevPull
-    ].concat(cliargs.allUnknownArgs(arguments)))
+    ].concat(cliutil.allUnknownArgs(arguments)))
   })
 
 program.parse(process.argv)
diff --git a/lib/util/cliargs.js b/lib/util/cliutil.js
similarity index 100%
rename from lib/util/cliargs.js
rename to lib/util/cliutil.js