diff --git a/red/runtime/nodes/context/index.js b/red/runtime/nodes/context/index.js
index de34b3dc8..633dc22d5 100644
--- a/red/runtime/nodes/context/index.js
+++ b/red/runtime/nodes/context/index.js
@@ -145,12 +145,12 @@ function createContext(id,seed) {
     obj.get = function(key) {
         var keyPath = parseKey(key);
         var context = getContextStorage(keyPath.storage);
-        return context.get(keyPath.key, scope);
+        return context.get(scope, keyPath.key);
     };
     obj.set = function(key, value) {
         var keyPath = parseKey(key);
         var context = getContextStorage(keyPath.storage);
-        return context.set(keyPath.key, value, scope);
+        return context.set(scope, keyPath.key, value);
     };
     obj.keys = function(storage) {
         //TODO: discuss about keys() behavior
diff --git a/red/runtime/nodes/context/localfilesystem.js b/red/runtime/nodes/context/localfilesystem.js
index e77954189..30b7f5920 100644
--- a/red/runtime/nodes/context/localfilesystem.js
+++ b/red/runtime/nodes/context/localfilesystem.js
@@ -66,7 +66,7 @@ var localfilesystem = {
             storageBaseDir = configs.dir;
         }
     },
-    get: function (key, scope) {
+    get: function (scope, key) {
         if(!storages[scope]){
             createStorage(scope);
         }
@@ -82,7 +82,7 @@ var localfilesystem = {
         }
     },
 
-    set: function (key, value, scope) {
+    set: function (scope, key, value) {
         if(!storages[scope]){
             createStorage(scope);
         }
diff --git a/red/runtime/nodes/context/memory.js b/red/runtime/nodes/context/memory.js
index deed13d36..820039747 100644
--- a/red/runtime/nodes/context/memory.js
+++ b/red/runtime/nodes/context/memory.js
@@ -17,19 +17,18 @@
 var util = require("../../util");
 
 var data;
-var seedFlg = false;
 
 var memory = {
     init: function(config) {
         data = {};
     },
-    get: function(key, scope) {
+    get: function(scope, key) {
         if(!data[scope]){
             data[scope] = {};
         }
         return util.getMessageProperty(data[scope],key);
     },
-    set: function(key, value, scope) {
+    set: function(scope, key, value) {
         if(!data[scope]){
             data[scope] = {};
         }
diff --git a/test/red/runtime/nodes/context/index_spec.js b/test/red/runtime/nodes/context/index_spec.js
index 4b488657a..56135e52a 100644
--- a/test/red/runtime/nodes/context/index_spec.js
+++ b/test/red/runtime/nodes/context/index_spec.js
@@ -335,7 +335,7 @@ describe('context', function() {
                     contextStorage:{
                         "#%&":{module:"memory"},
                         \u3042:{module:"memory"},
-                        1:{module:"localfilesystem"},
+                        1:{module:"memory"},
                     }
                 });
                 try {
diff --git a/test/red/runtime/nodes/context/localfilesystem_spec.js b/test/red/runtime/nodes/context/localfilesystem_spec.js
index d0d545413..8fc538c8d 100644
--- a/test/red/runtime/nodes/context/localfilesystem_spec.js
+++ b/test/red/runtime/nodes/context/localfilesystem_spec.js
@@ -38,36 +38,36 @@ describe('localfilesystem',function() {
 
     describe('#get/set',function() {
         it('should store property',function() {
-            should.not.exist(context.get("foo","nodeX"));
-            context.set("foo","test","nodeX");
-            context.get("foo","nodeX").should.eql("test");
+            should.not.exist(context.get("nodeX","foo"));
+            context.set("nodeX","foo","test");
+            context.get("nodeX","foo").should.eql("test");
         });
 
         it('should store property - creates parent properties',function() {
-            context.set("foo.bar","test","nodeX");
-            context.get("foo","nodeX").should.eql({bar:"test"});
+            context.set("nodeX","foo.bar","test");
+            context.get("nodeX","foo").should.eql({bar:"test"});
         });
 
         it('should delete property',function() {
-            context.set("foo.abc.bar1","test1","nodeX");
-            context.set("foo.abc.bar2","test2","nodeX");
-            context.get("foo.abc","nodeX").should.eql({bar1:"test1",bar2:"test2"});
-            context.set("foo.abc.bar1",undefined,"nodeX");
-            context.get("foo.abc","nodeX").should.eql({bar2:"test2"});
-            context.set("foo.abc",undefined,"nodeX");
-            should.not.exist(context.get("foo.abc","nodeX"));
-            context.set("foo",undefined,"nodeX");
-            should.not.exist(context.get("foo","nodeX"));
+            context.set("nodeX","foo.abc.bar1","test1");
+            context.set("nodeX","foo.abc.bar2","test2");
+            context.get("nodeX","foo.abc").should.eql({bar1:"test1",bar2:"test2"});
+            context.set("nodeX","foo.abc.bar1",undefined);
+            context.get("nodeX","foo.abc").should.eql({bar2:"test2"});
+            context.set("nodeX","foo.abc",undefined);
+            should.not.exist(context.get("nodeX","foo.abc"));
+            context.set("nodeX","foo",undefined);
+            should.not.exist(context.get("nodeX","foo"));
         });
 
         it('should not shared context with other scope', function() {
-            should.not.exist(context.get("foo","nodeX"));
-            should.not.exist(context.get("foo","nodeY"));
-            context.set("foo","testX","nodeX");
-            context.set("foo","testY","nodeY");
+            should.not.exist(context.get("nodeX","foo"));
+            should.not.exist(context.get("nodeY","foo"));
+            context.set("nodeX","foo","testX");
+            context.set("nodeY","foo","testY");
 
-            context.get("foo","nodeX").should.eql("testX");
-            context.get("foo","nodeY").should.eql("testY");
+            context.get("nodeX","foo").should.eql("testX");
+            context.get("nodeY","foo").should.eql("testY");
         });
     });
 
@@ -77,12 +77,12 @@ describe('localfilesystem',function() {
             keys.should.be.an.Array();
             keys.should.be.empty();
 
-            context.set("foo","bar","nodeX");
+            context.set("nodeX","foo","bar");
             keys = context.keys("nodeX");
             keys.should.have.length(1);
             keys[0].should.eql("foo");
 
-            context.set("abc.def","bar","nodeX");
+            context.set("nodeX","abc.def","bar");
             keys = context.keys("nodeX");
             keys.should.have.length(2);
             keys[1].should.eql("abc");
@@ -97,8 +97,8 @@ describe('localfilesystem',function() {
             keysY.should.be.an.Array();
             keysY.should.be.empty();
 
-            context.set("foo","bar","nodeX");
-            context.set("hoge","piyo","nodeY");
+            context.set("nodeX","foo","bar");
+            context.set("nodeY","hoge","piyo");
             keysX = context.keys("nodeX");
             keysX.should.have.length(1);
             keysX[0].should.eql("foo");
@@ -111,16 +111,16 @@ describe('localfilesystem',function() {
 
     describe('#delete',function() {
         it('should delete context',function() {
-            should.not.exist(context.get("foo","nodeX"));
-            should.not.exist(context.get("foo","nodeY"));
-            context.set("foo","abc","nodeX");
-            context.set("foo","abc","nodeY");
-            context.get("foo","nodeX").should.eql("abc");
-            context.get("foo","nodeY").should.eql("abc");
+            should.not.exist(context.get("nodeX","foo"));
+            should.not.exist(context.get("nodeY","foo"));
+            context.set("nodeX","foo","abc");
+            context.set("nodeY","foo","abc");
+            context.get("nodeX","foo").should.eql("abc");
+            context.get("nodeY","foo").should.eql("abc");
 
             context.delete("nodeX");
-            should.not.exist(context.get("foo","nodeX"));
-            should.exist(context.get("foo","nodeY"));
+            should.not.exist(context.get("nodeX","foo"));
+            should.exist(context.get("nodeY","foo"));
         });
     });
 });
\ No newline at end of file
diff --git a/test/red/runtime/nodes/context/memory_spec.js b/test/red/runtime/nodes/context/memory_spec.js
index 59acd67e1..91f4ab917 100644
--- a/test/red/runtime/nodes/context/memory_spec.js
+++ b/test/red/runtime/nodes/context/memory_spec.js
@@ -25,36 +25,36 @@ describe('memory',function() {
 
     describe('#get/set',function() {
         it('should store property',function() {
-            should.not.exist(context.get("foo","nodeX"));
-            context.set("foo","test","nodeX");
-            context.get("foo","nodeX").should.eql("test");
+            should.not.exist(context.get("nodeX","foo"));
+            context.set("nodeX","foo","test");
+            context.get("nodeX","foo").should.eql("test");
         });
 
         it('should store property - creates parent properties',function() {
-            context.set("foo.bar","test","nodeX");
-            context.get("foo","nodeX").should.eql({bar:"test"});
+            context.set("nodeX","foo.bar","test");
+            context.get("nodeX","foo").should.eql({bar:"test"});
         });
 
         it('should delete property',function() {
-            context.set("foo.abc.bar1","test1","nodeX");
-            context.set("foo.abc.bar2","test2","nodeX");
-            context.get("foo.abc","nodeX").should.eql({bar1:"test1",bar2:"test2"});
-            context.set("foo.abc.bar1",undefined,"nodeX");
-            context.get("foo.abc","nodeX").should.eql({bar2:"test2"});
-            context.set("foo.abc",undefined,"nodeX");
-            should.not.exist(context.get("foo.abc","nodeX"));
-            context.set("foo",undefined,"nodeX");
-            should.not.exist(context.get("foo","nodeX"));
+            context.set("nodeX","foo.abc.bar1","test1");
+            context.set("nodeX","foo.abc.bar2","test2");
+            context.get("nodeX","foo.abc").should.eql({bar1:"test1",bar2:"test2"});
+            context.set("nodeX","foo.abc.bar1",undefined);
+            context.get("nodeX","foo.abc").should.eql({bar2:"test2"});
+            context.set("nodeX","foo.abc",undefined);
+            should.not.exist(context.get("nodeX","foo.abc"));
+            context.set("nodeX","foo",undefined);
+            should.not.exist(context.get("nodeX","foo"));
         });
 
         it('should not shared context with other scope', function() {
-            should.not.exist(context.get("foo","nodeX"));
-            should.not.exist(context.get("foo","nodeY"));
-            context.set("foo","testX","nodeX");
-            context.set("foo","testY","nodeY");
+            should.not.exist(context.get("nodeX","foo"));
+            should.not.exist(context.get("nodeY","foo"));
+            context.set("nodeX","foo","testX");
+            context.set("nodeY","foo","testY");
 
-            context.get("foo","nodeX").should.eql("testX");
-            context.get("foo","nodeY").should.eql("testY");
+            context.get("nodeX","foo").should.eql("testX");
+            context.get("nodeY","foo").should.eql("testY");
         });
     });
 
@@ -64,12 +64,12 @@ describe('memory',function() {
             keys.should.be.an.Array();
             keys.should.be.empty();
 
-            context.set("foo","bar","nodeX");
+            context.set("nodeX","foo","bar");
             keys = context.keys("nodeX");
             keys.should.have.length(1);
             keys[0].should.eql("foo");
 
-            context.set("abc.def","bar","nodeX");
+            context.set("nodeX","abc.def","bar");
             keys = context.keys("nodeX");
             keys.should.have.length(2);
             keys[1].should.eql("abc");
@@ -84,8 +84,8 @@ describe('memory',function() {
             keysY.should.be.an.Array();
             keysY.should.be.empty();
 
-            context.set("foo","bar","nodeX");
-            context.set("hoge","piyo","nodeY");
+            context.set("nodeX","foo","bar");
+            context.set("nodeY","hoge","piyo");
             keysX = context.keys("nodeX");
             keysX.should.have.length(1);
             keysX[0].should.eql("foo");
@@ -112,16 +112,16 @@ describe('memory',function() {
 
     describe('#delete',function() {
         it('should delete context',function() {
-            should.not.exist(context.get("foo","nodeX"));
-            should.not.exist(context.get("foo","nodeY"));
-            context.set("foo","abc","nodeX");
-            context.set("foo","abc","nodeY");
-            context.get("foo","nodeX").should.eql("abc");
-            context.get("foo","nodeY").should.eql("abc");
+            should.not.exist(context.get("nodeX","foo"));
+            should.not.exist(context.get("nodeY","foo"));
+            context.set("nodeX","foo","abc");
+            context.set("nodeY","foo","abc");
+            context.get("nodeX","foo").should.eql("abc");
+            context.get("nodeY","foo").should.eql("abc");
 
             context.delete("nodeX");
-            should.not.exist(context.get("foo","nodeX"));
-            should.exist(context.get("foo","nodeY"));
+            should.not.exist(context.get("nodeX","foo"));
+            should.exist(context.get("nodeY","foo"));
         });
     });
 
@@ -135,7 +135,7 @@ describe('memory',function() {
                 foo: "bar"
             }
             context.setGlobalContext(data);
-            context.get("foo","global").should.eql("bar");
+            context.get("global","foo").should.eql("bar");
         });
     });
 });
\ No newline at end of file