diff --git a/build/android-build.py b/build/android-build.py
index 0309cf008b..3b36ea0424 100755
--- a/build/android-build.py
+++ b/build/android-build.py
@@ -16,11 +16,18 @@ def get_num_of_cpu():
 	''' The build process can be accelerated by running multiple concurrent job processes using the -j-option.
 	'''
 	try:
-		from numpy.distutils import cpuinfo
-		return cpuinfo.cpu._getNCPUs()
+		platform = sys.platform
+		if platform == 'win32':
+			if 'NUMBER_OF_PROCESSORS' in os.environ:
+				return int(os.environ['NUMBER_OF_PROCESSORS'])
+			else:
+				return 1
+		else:
+			from numpy.distutils import cpuinfo
+			return cpuinfo.cpu._getNCPUs()
 	except Exception:
 		print "Can't know cpuinfo, use default 1 cpu"
-        return 1
+		return 1
 
 def check_environment_variables():
     ''' Checking the environment NDK_ROOT, which will be used for building
diff --git a/cocos/network/proj.win32/libNetwork.vcxproj b/cocos/network/proj.win32/libNetwork.vcxproj
index 088538dfed..761ab39423 100644
--- a/cocos/network/proj.win32/libNetwork.vcxproj
+++ b/cocos/network/proj.win32/libNetwork.vcxproj
@@ -80,7 +80,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>$(MSBuildProgramFiles32)\Microsoft SDKs\Windows\v7.1A\include;..\Include;$(EngineRoot)cocos;$(EngineRoot)external\websockets\include\win32;$(EngineRoot)external\curl\include\win32;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_CRT_SECURE_NO_WARNINGS;COCOS2D_DEBUG=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>false</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
diff --git a/template/multi-platform-cpp/proj.android/build_native.py b/template/multi-platform-cpp/proj.android/build_native.py
index c702b81a85..13a3b37555 100755
--- a/template/multi-platform-cpp/proj.android/build_native.py
+++ b/template/multi-platform-cpp/proj.android/build_native.py
@@ -12,11 +12,18 @@ def get_num_of_cpu():
 	''' The build process can be accelerated by running multiple concurrent job processes using the -j-option.
 	'''
 	try:
-		from numpy.distutils import cpuinfo
-		return cpuinfo.cpu._getNCPUs()
+		platform = sys.platform
+		if platform == 'win32':
+			if 'NUMBER_OF_PROCESSORS' in os.environ:
+				return int(os.environ['NUMBER_OF_PROCESSORS'])
+			else:
+				return 1
+		else:
+			from numpy.distutils import cpuinfo
+			return cpuinfo.cpu._getNCPUs()
 	except Exception:
 		print "Can't know cpuinfo, use default 1 cpu"
-        return 1
+		return 1
 
 def check_environment_variables_sdk():
     ''' Checking the environment ANDROID_SDK_ROOT, which will be used for building
diff --git a/template/multi-platform-js/proj.android/build_native.py b/template/multi-platform-js/proj.android/build_native.py
index 42dd3aa9b6..561a0e8981 100755
--- a/template/multi-platform-js/proj.android/build_native.py
+++ b/template/multi-platform-js/proj.android/build_native.py
@@ -12,11 +12,18 @@ def get_num_of_cpu():
 	''' The build process can be accelerated by running multiple concurrent job processes using the -j-option.
 	'''
 	try:
-		from numpy.distutils import cpuinfo
-		return cpuinfo.cpu._getNCPUs()
+		platform = sys.platform
+		if platform == 'win32':
+			if 'NUMBER_OF_PROCESSORS' in os.environ:
+				return int(os.environ['NUMBER_OF_PROCESSORS'])
+			else:
+				return 1
+		else:
+			from numpy.distutils import cpuinfo
+			return cpuinfo.cpu._getNCPUs()
 	except Exception:
 		print "Can't know cpuinfo, use default 1 cpu"
-        return 1
+		return 1
 		
 def check_environment_variables_sdk():
     ''' Checking the environment ANDROID_SDK_ROOT, which will be used for building
diff --git a/template/multi-platform-lua/proj.android/build_native.py b/template/multi-platform-lua/proj.android/build_native.py
index b6920e2bbe..f5d485da07 100755
--- a/template/multi-platform-lua/proj.android/build_native.py
+++ b/template/multi-platform-lua/proj.android/build_native.py
@@ -12,11 +12,18 @@ def get_num_of_cpu():
 	''' The build process can be accelerated by running multiple concurrent job processes using the -j-option.
 	'''
 	try:
-		from numpy.distutils import cpuinfo
-		return cpuinfo.cpu._getNCPUs()
+		platform = sys.platform
+		if platform == 'win32':
+			if 'NUMBER_OF_PROCESSORS' in os.environ:
+				return int(os.environ['NUMBER_OF_PROCESSORS'])
+			else:
+				return 1
+		else:
+			from numpy.distutils import cpuinfo
+			return cpuinfo.cpu._getNCPUs()
 	except Exception:
 		print "Can't know cpuinfo, use default 1 cpu"
-        return 1
+		return 1
 		
 def check_environment_variables_sdk():
     ''' Checking the environment ANDROID_SDK_ROOT, which will be used for building