diff --git a/src/kiwano/macros.h b/src/kiwano/macros.h
index 23940124..79e97e45 100644
--- a/src/kiwano/macros.h
+++ b/src/kiwano/macros.h
@@ -24,51 +24,27 @@
 #	error Kiwano only supports C++ 
 #endif
 
-#ifndef _MSC_VER
-#   error Kiwano only supports MSVC compiler
+#ifdef _WIN32
+#	define KGE_WIN32
+#	ifdef _WIN64
+#		define KGE_WIN64
+#	endif
+#elif __ANDROID__
+#	define KGE_ANDROID
+#elif __linux__
+#	define KGE_LINUX
+#elif __APPLE__
+#	if TARGET_OS_IPHONE
+#		define KGE_IPHONE
+#	elif TARGET_OS_MAC
+#		define KGE_MACOS
+#	else
+#		error "Unsupported Apple platform"
+#	endif
+#else
+#	error "Unsupported compiler"
 #endif
 
-#ifndef KGE_VS_VER
-#	define KGE_VS_VER _MSC_VER
-#	define KGE_VS_2013 1800
-#	define KGE_VS_2015 1900
-#	define KGE_VS_2017 1900
-#	define KGE_VS_2019 1920
-#endif
-
-#if KGE_VS_VER < KGE_VS_2015
-#	error Kiwano only supports Visual Studio 2015 and above
-#endif
-
-#ifndef WINVER
-#	define WINVER 0x0700	   // Allow use of features specific to Windows 7 or later
-#endif
-
-#ifndef _WIN32_WINNT
-#	define _WIN32_WINNT 0x0700 // Allow use of features specific to Windows 7 or later
-#endif
-
-#ifndef NTDDI_VERSION
-#	define NTDDI_VERSION NTDDI_WIN7
-#endif
-
-#ifndef UNICODE
-#	define UNICODE
-#endif
-
-// Exclude rarely-used items from Windows headers
-#ifndef WIN32_LEAN_AND_MEAN
-#	define WIN32_LEAN_AND_MEAN
-#endif
-
-#ifndef NOMINMAX
-#	define NOMINMAX
-#endif
-
-
-// Windows Header Files
-#include <windows.h>
-#include <wincodec.h>
 
 // C++ RunTime Header Files
 #include <cassert>
@@ -77,41 +53,91 @@
 #include <kiwano/config.h>
 
 
-#if defined(DEBUG) || defined(_DEBUG)
-#	define KGE_DEBUG
-#endif
+// Windows platform
+
+#ifdef KGE_WIN32
+
+#	ifndef _MSC_VER
+#		error Kiwano only supports MSVC compiler
+#	endif
+
+#	ifndef KGE_VS_VER
+#		define KGE_VS_VER _MSC_VER
+#		define KGE_VS_2013 1800
+#		define KGE_VS_2015 1900
+#		define KGE_VS_2017 1900
+#		define KGE_VS_2019 1920
+#	endif
+
+#	if KGE_VS_VER < KGE_VS_2015
+#		error Kiwano only supports Visual Studio 2015 and above
+#	endif
+
+#	ifndef WINVER
+#		define WINVER 0x0700	   // Allow use of features specific to Windows 7 or later
+#	endif
+
+#	ifndef _WIN32_WINNT
+#		define _WIN32_WINNT 0x0700 // Allow use of features specific to Windows 7 or later
+#	endif
+
+#	ifndef NTDDI_VERSION
+#		define NTDDI_VERSION NTDDI_WIN7
+#	endif
+
+#	ifndef UNICODE
+#		define UNICODE
+#	endif
+
+	// Exclude rarely-used items from Windows headers
+#	ifndef WIN32_LEAN_AND_MEAN
+#		define WIN32_LEAN_AND_MEAN
+#	endif
+
+#	ifndef NOMINMAX
+#		define NOMINMAX
+#	endif
+
+#	if defined(DEBUG) || defined(_DEBUG)
+#		define KGE_DEBUG
+#	endif
+
+#	ifndef KGE_ASSERT
+#		ifdef KGE_DEBUG
+#			define KGE_ASSERT(EXPR) do { (void)((!!(EXPR)) || (_wassert(_CRT_WIDE(#EXPR), _CRT_WIDE(__FUNCTION__), (unsigned)(__LINE__)), 0)); } while(0)
+#		else
+#			define KGE_ASSERT __noop
+#		endif
+#	endif
 
 
-#ifndef KGE_ASSERT
-#	ifdef KGE_DEBUG
-#		define KGE_ASSERT(EXPR) do { (void)((!!(EXPR)) || (_wassert(_CRT_WIDE(#EXPR), _CRT_WIDE(__FUNCTION__), (unsigned)(__LINE__)), 0)); } while(0)
+#	ifndef KGE_API
+#		if defined(KGE_USE_DLL)
+#			define KGE_API __declspec( dllimport )
+#		elif defined(KGE_EXPORT_DLL)
+#			define KGE_API __declspec( dllexport )
+#		endif
+#	endif
+
+
+#	ifndef KGE_API
+	/* Building or calling Kiwano as a static library */
+#		define KGE_API
 #	else
-#		define KGE_ASSERT __noop
+	/*
+	 * C4251 can be ignored if you are deriving from a type in the 
+	 * C++ Standard Library, compiling a debug release (/MTd) and 
+	 * where the compiler error message refers to _Container_base.
+	 */
+#		pragma warning (disable: 4251)
 #	endif
-#endif
 
+#	define KGE_NOT_USED(VAR) ((void)VAR)
 
-#ifndef KGE_API
-#	if defined(KGE_USE_DLL)
-#		define KGE_API __declspec( dllimport )
-#	elif defined(KGE_EXPORT_DLL)
-#		define KGE_API __declspec( dllexport )
-#	endif
-#endif
+#	define KGE_DEPRECATED(...) __declspec(deprecated(__VA_ARGS__))
 
+	// Windows Header Files
+#	include <windows.h>
+#	include <wincodec.h>
 
-#ifndef KGE_API
-/* Building or calling Kiwano as a static library */
-#	define KGE_API
-#else
-/*
- * C4251 can be ignored if you are deriving from a type in the 
- * C++ Standard Library, compiling a debug release (/MTd) and 
- * where the compiler error message refers to _Container_base.
- */
-#	pragma warning (disable: 4251)
-#endif
-
-#define KGE_NOT_USED(VAR) ((void)VAR)
-
-#define KGE_DEPRECATED(...) __declspec(deprecated(__VA_ARGS__))
+#endif  // KGE_WIN32
diff --git a/src/kiwano/platform/Window.h b/src/kiwano/platform/Window.h
index 148a1e82..75455bbe 100644
--- a/src/kiwano/platform/Window.h
+++ b/src/kiwano/platform/Window.h
@@ -77,7 +77,7 @@ namespace kiwano
 
 	/**
 	* \~chinese
-	* @brief 窗口实例，控制窗口标题、大小、图标等
+	* @brief 窗口类，控制窗口标题、大小、图标等
 	*/
 	class KGE_API Window
 		: public Singleton<Window>
@@ -151,6 +151,7 @@ namespace kiwano
 		*/
 		void SetCursor(CursorType cursor);
 
+#ifdef KGE_WIN32
 	public:
 		void Init(WindowConfig const& config, WNDPROC proc);
 
@@ -169,6 +170,7 @@ namespace kiwano
 		void SetActive(bool actived);
 
 		void Destroy();
+#endif
 
 	private:
 		Window();