diff --git a/CHANGELOG b/CHANGELOG
index 5f353f0c9c..2a1069805b 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,7 +2,8 @@ cocos2d-x-3.4 Jan.23 2015
     [FIX]           Animate3D: `setSpeed` has not effect if `Animate3D` is used in Sequence
     [FIX]           C++: will crash if built with armeabi-v7a enabled on Android devices that with armeabi-v7a architecture but doesn't support NEON instructions
     [FIX]           GLProgram: will cause crash on some devices that don't support more than 8 atrributes
-    [FIX]           ImageView: rendered content size is wrong if `ignoreSize` is true and `Scale9` is not enabled
+    [FIX]           ui::ImageView: rendered content size is wrong if `ignoreSize` is true and `Scale9` is not enabled
+    [FIX]           ui::Slider: when scale9 is enabled, the progress bar's rendering height is wrong
     [FIX]           Label: alpha channel of text color of system font has not effect
     [FIX]           Label: use int for dimensions that will lose the precision
     [FIX]           Label: labels will become white block after resume from background on some Android devices, such as xiaomi3