diff --git a/build/cocos2d_libs.xcodeproj/project.pbxproj b/build/cocos2d_libs.xcodeproj/project.pbxproj
index a518e62b73..a10ddb016d 100644
--- a/build/cocos2d_libs.xcodeproj/project.pbxproj
+++ b/build/cocos2d_libs.xcodeproj/project.pbxproj
@@ -5749,7 +5749,7 @@
 		1551A336158F2AB200E66CFE /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0500;
+				LastUpgradeCheck = 0600;
 				ORGANIZATIONNAME = "";
 			};
 			buildConfigurationList = 1551A339158F2AB200E66CFE /* Build configuration list for PBXProject "cocos2d_libs" */;
@@ -6610,7 +6610,6 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = YES;
-				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
 				CLANG_CXX_LANGUAGE_STANDARD = "c++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_WARN_BOOL_CONVERSION = YES;
@@ -6648,7 +6647,6 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = YES;
-				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
 				CLANG_CXX_LANGUAGE_STANDARD = "c++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_WARN_BOOL_CONVERSION = YES;
@@ -6683,7 +6681,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = YES;
-				ARCHS = "$(ARCHS_STANDARD)";
+				COMBINE_HIDPI_IMAGES = YES;
 				EXECUTABLE_EXTENSION = a;
 				EXECUTABLE_PREFIX = "";
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
@@ -6717,7 +6715,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = YES;
-				ARCHS = "$(ARCHS_STANDARD)";
+				COMBINE_HIDPI_IMAGES = YES;
 				EXECUTABLE_EXTENSION = a;
 				EXECUTABLE_PREFIX = "";
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
@@ -6752,7 +6750,6 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = YES;
-				ARCHS = "$(ARCHS_STANDARD)";
 				EXECUTABLE_PREFIX = "";
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = "../cocos/cocos2d-prefix.pch";
@@ -6784,7 +6781,6 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = YES;
-				ARCHS = "$(ARCHS_STANDARD)";
 				EXECUTABLE_PREFIX = "";
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
diff --git a/build/cocos2d_tests.xcodeproj/project.pbxproj b/build/cocos2d_tests.xcodeproj/project.pbxproj
index dec67dde2c..1a0d03b575 100644
--- a/build/cocos2d_tests.xcodeproj/project.pbxproj
+++ b/build/cocos2d_tests.xcodeproj/project.pbxproj
@@ -7319,7 +7319,7 @@
 		29B97313FDCFA39411CA2CEA /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0510;
+				LastUpgradeCheck = 0600;
 			};
 			buildConfigurationList = C01FCF4E08A954540054247B /* Build configuration list for PBXProject "cocos2d_tests" */;
 			compatibilityVersion = "Xcode 3.2";
@@ -8557,7 +8557,6 @@
 		1A0EE2B018CDF6DA004CD58F /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD)";
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(inherited)",
@@ -8572,7 +8571,6 @@
 		1A0EE2B118CDF6DA004CD58F /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD)";
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(inherited)",
@@ -8588,7 +8586,6 @@
 		1A0EE31218CDF733004CD58F /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD)";
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(inherited)",
 					CC_TARGET_OS_MAC,
@@ -8608,7 +8605,6 @@
 		1A0EE31318CDF733004CD58F /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD)";
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(inherited)",
 					CC_TARGET_OS_MAC,
@@ -8703,7 +8699,6 @@
 		1ABCA2B318CD91520087CE3A /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD)";
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(inherited)",
 					CC_TARGET_OS_MAC,
@@ -8723,7 +8718,6 @@
 		1ABCA2B418CD91520087CE3A /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD)";
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(inherited)",
 					CC_TARGET_OS_MAC,
@@ -8785,7 +8779,6 @@
 		1D6058940D05DD3E006BFB54 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD)";
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(inherited)",
 					CC_TARGET_OS_MAC,
@@ -8799,7 +8792,6 @@
 		1D6058950D05DD3E006BFB54 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD)";
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(inherited)",
 					CC_TARGET_OS_MAC,
diff --git a/cocos/scripting/lua-bindings/proj.ios_mac/cocos2d_lua_bindings.xcodeproj/project.pbxproj b/cocos/scripting/lua-bindings/proj.ios_mac/cocos2d_lua_bindings.xcodeproj/project.pbxproj
index 260b98b268..05f642556d 100644
--- a/cocos/scripting/lua-bindings/proj.ios_mac/cocos2d_lua_bindings.xcodeproj/project.pbxproj
+++ b/cocos/scripting/lua-bindings/proj.ios_mac/cocos2d_lua_bindings.xcodeproj/project.pbxproj
@@ -871,7 +871,7 @@
 		1551A336158F2AB200E66CFE /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0510;
+				LastUpgradeCheck = 0600;
 				ORGANIZATIONNAME = "";
 			};
 			buildConfigurationList = 1551A339158F2AB200E66CFE /* Build configuration list for PBXProject "cocos2d_lua_bindings" */;
@@ -1107,7 +1107,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = YES;
-				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
+				COMBINE_HIDPI_IMAGES = YES;
 				EXECUTABLE_PREFIX = "";
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = "";
@@ -1129,7 +1129,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = YES;
-				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
+				COMBINE_HIDPI_IMAGES = YES;
 				EXECUTABLE_PREFIX = "";
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;