diff --git a/source/shared_lib/sources/platform/sdl/gl_wrap.cpp b/source/shared_lib/sources/platform/sdl/gl_wrap.cpp
index 3c95041e..6a927b44 100644
--- a/source/shared_lib/sources/platform/sdl/gl_wrap.cpp
+++ b/source/shared_lib/sources/platform/sdl/gl_wrap.cpp
@@ -33,6 +33,15 @@ using namespace Shared::PlatformCommon;
 
 namespace Shared{ namespace Platform{
 
+// Example values:
+// DEFAULT_CHARSET (English) = 1
+// GB2312_CHARSET (Chinese)  = 134
+#ifdef WIN32
+DWORD PlatformContextGl::charSet = DEFAULT_CHARSET;
+#else
+int PlatformContextGl::charSet = 1;
+#endif
+
 // ======================================
 //	class PlatformContextGl
 // ======================================
diff --git a/source/shared_lib/sources/platform/unix/gl_wrap.cpp b/source/shared_lib/sources/platform/unix/gl_wrap.cpp
index 8d3e8e59..07f6c74f 100644
--- a/source/shared_lib/sources/platform/unix/gl_wrap.cpp
+++ b/source/shared_lib/sources/platform/unix/gl_wrap.cpp
@@ -28,14 +28,6 @@ using namespace Shared::Util;
 
 namespace Shared { namespace Platform {
 
-// Example values:
-// DEFAULT_CHARSET (English) = 1
-// GB2312_CHARSET (Chinese)  = 134
-#ifdef WIN32
-DWORD PlatformContextGl::charSet = DEFAULT_CHARSET;
-#else
-int PlatformContextGl::charSet = 1;
-#endif
 
 // ======================================
 //	Global Fcs