fix(sunburst): default values for normal state

src/chart/sunburst/SunburstPiece.js

@@ -132,7 +132,7 @@ SunburstPieceProto.updateData = function (
 SunburstPieceProto.onEmphasis = function (highlightPolicy) {
     var that = this;
     this.node.hostTree.root.eachNode(function (n) {
-        if (n.piece) {
+        if (that.node !== n && n.piece) {
             if (isNodeHighlighted(n, that.node, highlightPolicy)) {
                 n.piece.childAt(0).trigger('highlight');
             }

src/chart/sunburst/SunburstSeries.js

@@ -82,6 +82,7 @@ export default SeriesModel.extend({
             // could be: 'radial', 'tangential', or 'none'
             rotate: 'radial',
             show: true,
+            opacity: 1,
             // could be 'inner', 'outside', 'left' or 'right'
             // 'left' is for inner side of inside, and 'right' is for outter
             // side for inside
@@ -93,6 +94,7 @@ export default SeriesModel.extend({
         itemStyle: {
             borderWidth: 1,
             borderColor: 'white',
+            opacity: 1,
             emphasis: {},
             highlight: {
                 opacity: 1