diff --git a/src/chart/map/MapSeries.js b/src/chart/map/MapSeries.js
index 30bdfe4c01326ab9d7404688691789b2e008926a..b0b52f9335963b4bfc0fe5a69a5951e4f302558d 100644
--- a/src/chart/map/MapSeries.js
+++ b/src/chart/map/MapSeries.js
@@ -37,10 +37,13 @@ define(function (require) {
         needsDrawMap: false,
 
         init: function (option, parentModel, ecModel, dependentModels, seriesIndex) {
+
+            option = this._fillOption(option);
+            this.option = option;
+
             SeriesModel.prototype.init.call(
                 this, option, parentModel, ecModel, dependentModels, seriesIndex
             );
-            option = this._fillOption(option);
 
             this.updateSelectedMap();
         },
@@ -56,8 +59,8 @@ define(function (require) {
         },
 
         mergeOption: function (newOption) {
-            SeriesModel.prototype.mergeOption.call(this, newOption);
             newOption = this._fillOption(newOption);
+            SeriesModel.prototype.mergeOption.call(this, newOption);
             this.updateSelectedMap();
         },
 
diff --git a/src/chart/map/MapView.js b/src/chart/map/MapView.js
index b3008eafdf571e29cc7408a6c38554bc71d816dc..6255b1f9d25912541500194d2bf77af20af59332 100644
--- a/src/chart/map/MapView.js
+++ b/src/chart/map/MapView.js
@@ -40,9 +40,6 @@ define(function (require) {
             var group = this.group;
 
             data.each('value', function (value, idx) {
-                if (isNaN(value)) {
-                    return;
-                }
                 var itemModel = data.getItemModel(idx);
                 var labelModel = itemModel.getModel('label.normal');
                 var textStyleModel = labelModel.getModel('textStyle');
@@ -51,30 +48,39 @@ define(function (require) {
                 var point = layout.point;
                 var offset = layout.offset;
 
-                var circle = new graphic.Circle({
-                    style: {
-                        fill: data.getVisual('color')
-                    },
-                    shape: {
-                        cx: point[0] + offset * 9,
-                        cy: point[1],
-                        r: 3
-                    },
-                    silent: true,
-
-                    z2: 10
-                });
-
-                if (labelModel.get('show') && !offset) {
-                    circle.setStyle({
-                        text: data.getName(idx),
-                        textFill: textStyleModel.get('color'),
-                        textPosition: 'bottom',
-                        textFont: textStyleModel.getFont()
+                var showLabel = labelModel.get('show');
+
+                var labelText = data.getName(idx);
+                var labelColor = textStyleModel.get('color');
+                var labelFont = textStyleModel.getFont();
+
+                if (!isNaN(value)) {
+                    var circle = new graphic.Circle({
+                        style: {
+                            fill: data.getVisual('color')
+                        },
+                        shape: {
+                            cx: point[0] + offset * 9,
+                            cy: point[1],
+                            r: 3
+                        },
+                        silent: true,
+
+                        z2: 10
                     });
+
+                    if (showLabel && !offset) {
+                        circle.setStyle({
+                            text: labelText,
+                            textFill: labelColor,
+                            textPosition: 'bottom',
+                            textFont: labelFont
+                        });
+                    }
+
+                    group.add(circle);
                 }
 
-                group.add(circle);
             });
         }
     });
diff --git a/src/chart/map/mapDataStatistic.js b/src/chart/map/mapDataStatistic.js
index 62f91ed10ff705d92aa933c04e7da0af3155c082..3047234cd39830167b4ed2f1a577fe97bfb44e02 100644
--- a/src/chart/map/mapDataStatistic.js
+++ b/src/chart/map/mapDataStatistic.js
@@ -2,8 +2,6 @@ define(function (require) {
 
     var zrUtil = require('zrender/core/util');
 
-    var List = require('../../data/List');
-
     // FIXME 公用？
     /**
      * @param {Array.<module:echarts/data/List>} datas
@@ -34,7 +32,7 @@ define(function (require) {
             if (statisticsType === 'average') {
                 sum /= len;
             }
-            return sum;
+            return len === 0 ? NaN : sum;
         });
     }
 
diff --git a/src/chart/map/mapSymbolLayout.js b/src/chart/map/mapSymbolLayout.js
index ab671da185120d77f2a1d0b58c8fdbe637c0177e..57888c046ad0c03331590c163336b115c10eff20 100644
--- a/src/chart/map/mapSymbolLayout.js
+++ b/src/chart/map/mapSymbolLayout.js
@@ -10,10 +10,6 @@ define(function (require) {
             var data = mapModel.getData();
 
             data.each('value', function (value, idx) {
-                if (isNaN(value)) {
-                    return;
-                }
-
                 var name = data.getName(idx);
                 var region = geo.getRegion(name);