diff --git a/cocos2dx/platform/android/java/src/org/cocos2dx/lib/Cocos2dxBitmap.java b/cocos2dx/platform/android/java/src/org/cocos2dx/lib/Cocos2dxBitmap.java
index fcd4598cde..2a0a915a02 100644
--- a/cocos2dx/platform/android/java/src/org/cocos2dx/lib/Cocos2dxBitmap.java
+++ b/cocos2dx/platform/android/java/src/org/cocos2dx/lib/Cocos2dxBitmap.java
@@ -128,7 +128,7 @@ public class Cocos2dxBitmap {
 		
 		if ( shadow ) {
 
-			int shadowColor = 0xff7d7d7d;
+			int shadowColor = 0x54000000;
 			paint.setShadowLayer(shadowBlur, shadowDX, shadowDY, shadowColor);
 	
 			bitmapPaddingX = Math.abs(shadowDX);
diff --git a/cocos2dx/platform/ios/CCImage.mm b/cocos2dx/platform/ios/CCImage.mm
index cdd3a8a2c4..6c5f7e0a8c 100644
--- a/cocos2dx/platform/ios/CCImage.mm
+++ b/cocos2dx/platform/ios/CCImage.mm
@@ -365,10 +365,14 @@ static bool _initWithString(const char * pText, cocos2d::Image::ETextAlign eAlig
             textOrigingY = startH - shadowStrokePaddingY;
         }
         
+        CGRect rect = CGRectMake(textOriginX, textOrigingY, textWidth, textHeight);
         
+        CGContextBeginTransparencyLayerWithRect(context, rect, NULL);
         // actually draw the text in the context
 		// XXX: ios7 casting
-        [str drawInRect:CGRectMake(textOriginX, textOrigingY, textWidth, textHeight) withFont:font lineBreakMode:NSLineBreakByWordWrapping alignment:(NSTextAlignment)align];
+        [str drawInRect: rect withFont:font lineBreakMode:NSLineBreakByWordWrapping alignment:(NSTextAlignment)align];
+
+        CGContextEndTransparencyLayer(context);
         
         // pop the context
         UIGraphicsPopContext();