Update CHANGELOG.md

CHANGELOG.md

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 # 3.0.2
 
-* AutoComplete support {value,label} in data property
-* Added support for keydown events in AutoComplete
-* Fix `pageDate` not updated when value change for `Datepicker`
-* Datepicker added new property `menuClassName`
+> 2018-05-03
+
+* Fix: `pageDate` not updated when value change for `Datepicker`.
+* Fix: The scrolling operation throws an exception, when InputNumber `step` is a decimal.
+* AutoComplete support {value,label} in data property.
+* Added support for keydown events in AutoComplete.
+* All picker added new property `menuClassName`.
 
 # 3.0.1
 
+> 2018-04-24
+
 * Fix: styles directory not published to NPM
 
 # 3.0.0
 
+> 2018-04-24
+
 * A brand new style.
 * Support react 16+.
 * Support Internationalization.