diff --git a/lib/units/device/plugins/filesystem.js b/lib/units/device/plugins/filesystem.js
index 16060a55..e0c938fe 100644
--- a/lib/units/device/plugins/filesystem.js
+++ b/lib/units/device/plugins/filesystem.js
@@ -19,7 +19,7 @@ module.exports = syrup.serial()
     var log = logger.createLogger('device:plugins:filesystem')
     var plugin = Object.create(null)
 
-    plugin.retrive = function(file) {
+    plugin.retrieve = function(file) {
       log.info('Retriving file %s', file)
 
       return adb.pull(options.serial, file)
@@ -37,7 +37,7 @@ module.exports = syrup.serial()
               // if this is a new store type, somethings need add to units/storage/plugins/
               return storage.store('blob', transfer, { 
                 filename: path.basename(file),
-                contentType: 'text/plain', // FIXME(ssx): need to detect file type
+                contentType: 'application/octet-stream', // FIXME(ssx): need to detect file type
                 knownLength: stats.size
               })
             })
@@ -49,7 +49,7 @@ module.exports = syrup.serial()
 
     router.on(wire.FileSystemGetMessage, function(channel, message) {
       var reply = wireutil.reply(options.serial)
-      plugin.retrive(message.file)
+      plugin.retrieve(message.file)
         .then(function(file){
           push.send([
             channel,
@@ -57,7 +57,7 @@ module.exports = syrup.serial()
           ])
         })
         .catch(function(err){
-          log.error('File retrive %s failed\n%s', message.file, err.stack)
+          log.error('File retrieve %s failed\n%s', message.file, err.stack)
           push.send([
             channel,
             reply.fail(err.message)
diff --git a/lib/units/websocket/index.js b/lib/units/websocket/index.js
index 7aeccb79..9c0e26b0 100644
--- a/lib/units/websocket/index.js
+++ b/lib/units/websocket/index.js
@@ -826,7 +826,7 @@ module.exports = function(options) {
             )
           ])
         })
-        .on('fs.retrive', function(channel, responseChannel, data) {
+        .on('fs.retrieve', function(channel, responseChannel, data) {
           joinChannel(responseChannel)
           push.send([
             channel
diff --git a/res/app/components/stf/control/control-service.js b/res/app/components/stf/control/control-service.js
index 5db6b015..d3b23fdf 100644
--- a/res/app/components/stf/control/control-service.js
+++ b/res/app/components/stf/control/control-service.js
@@ -225,8 +225,8 @@ module.exports = function ControlServiceFactory(
       return sendTwoWay('screen.capture')
     }
 
-    this.fsretrive = function(file){
-      return sendTwoWay('fs.retrive', {
+    this.fsretrieve = function(file){
+      return sendTwoWay('fs.retrieve', {
         file: file,
       })
     }
diff --git a/res/app/control-panes/filesystem/fs-controller.js b/res/app/control-panes/filesystem/fs-controller.js
index 4e67c63b..7238148b 100644
--- a/res/app/control-panes/filesystem/fs-controller.js
+++ b/res/app/control-panes/filesystem/fs-controller.js
@@ -32,7 +32,7 @@ module.exports = function FsCtrl($scope, $timeout) {
 
   $scope.getFile = function(file){
     var path = '/'+$scope.paths.join('/')+'/'+file;
-    $scope.control.fsretrive(path)
+    $scope.control.fsretrieve(path)
       .then(function(result){
         location.href = result.body.href+"?download"
       })