diff --git a/doc/asset/js/echartsExample.js b/doc/asset/js/echartsExample.js
index 642d1247f7506034555d9c5d61fb26c6a5364d32..297e12ae58282b575c1569c6d96aca035af24cff 100644
--- a/doc/asset/js/echartsExample.js
+++ b/doc/asset/js/echartsExample.js
@@ -61,7 +61,8 @@ function needMap() {
     var href = location.href;
     return href.indexOf('map') != -1
            || href.indexOf('mix3') != -1
-           || href.indexOf('mix5') != -1;
+           || href.indexOf('mix5') != -1
+           || href.indexOf('dataRange') != -1;
 
 }
 
diff --git a/doc/example/dataRange.html b/doc/example/dataRange.html
index 3f12bd514f04ba9e133ed9dad9a51fced66ccf40..807759dc41c7b3bc58c5b8ef35bd5ad655fca00b 100644
--- a/doc/example/dataRange.html
+++ b/doc/example/dataRange.html
@@ -75,13 +75,19 @@ dataRangeStyle = [
 // 0
     {
         min: 0,
-        max: 2000
+        max: 2000,
+        formatter : function(v, v2){
+            if (v2 < 1000) { return '低于' + v2}
+            else if (v > 1000) { return '高于' + v}
+            else { return '中' }
+        }
     },
 // 1
     {
         orient: 'horizontal', // 'vertical'
         min: 0,
-        max: 2000
+        max: 2000,
+        formatter : '{value} 到 {value2}'
     },
 // 2
     {
@@ -128,7 +134,12 @@ dataRangeStyle = [
     {
         calculable : true,
         min: 0,
-        max: 2000
+        max: 2000,
+        formatter : function(v) {
+            if (v > 1500) {return v + ' (高)'}
+            else if (v < 500) {return v + ' (低)'}
+            else {return v + ' (中)'};
+        }
     },
 // 9
     {
diff --git a/doc/example/map15.html b/doc/example/map15.html
index 639ffdd64464251952b69687a7b3937bd2cd3418..44d7e90aba18a95afef903bd69c867371f6fb61c 100644
--- a/doc/example/map15.html
+++ b/doc/example/map15.html
@@ -286,14 +286,6 @@ option = {
             color: '#fff'
         }
     },
-    dataRangde: {
-        min : 0,
-        max : 100,
-        color: ['#fff','#1e90ff'],
-        textStyle : {
-            color: '#fff'
-        }
-    },
     toolbox: {
         show : true,
         orient : 'vertical',
@@ -335,7 +327,7 @@ option = {
                         geoCoord = placeList[len % placeList.length].geoCoord;
                         data.push({
                             name : placeList[len % placeList.length].name + len,
-                            value : 50,
+                            value : 10,
                             geoCoord : [
                                 geoCoord[0] + Math.random() * 5 * -1,
                                 geoCoord[1] + Math.random() * 3 * -1
diff --git a/src/component/dataRange.js b/src/component/dataRange.js
index 4b0da2d9379514c8d457e767bec02af9ef25df96..ad9ab3eecb0c967914958bccb2de7829f1c25d1e 100644
--- a/src/component/dataRange.js
+++ b/src/component/dataRange.js
@@ -42,6 +42,9 @@ define(function (require) {
         self._ondragend = function() {
             return self.__ondragend();
         };
+        self._dataRangeSelected = function(param) {
+            return self.__dataRangeSelected(param);
+        }
         this._selectedMap = {};
         this._range = {};
         
@@ -334,17 +337,8 @@ define(function (require) {
             var font = this.getFont(this.dataRangeOption.textStyle);
             var textHeight = zrArea.getTextHeight('国', font);
             var textWidth = Math.max(
-                    zrArea.getTextWidth(
-                        this.dataRangeOption.max.toFixed(
-                            this.dataRangeOption.precision
-                        ),
-                        font),
-                    zrArea.getTextWidth(
-                        this.dataRangeOption.min.toFixed(
-                            this.dataRangeOption.precision
-                        ), 
-                        font
-                    )
+                    zrArea.getTextWidth(this._textFormat(this.dataRangeOption.max), font),
+                    zrArea.getTextWidth(this._textFormat(this.dataRangeOption.min), font)
                 ) + 2;
             
             var pointListStart;
@@ -504,9 +498,7 @@ define(function (require) {
             this._startShape = {
                 style : {
                     pointList : pointListStart,
-                    text : this.dataRangeOption.max.toFixed(
-                               this.dataRangeOption.precision
-                           ),
+                    text : this._textFormat(this.dataRangeOption.max),
                     textX : textXStart,
                     textY : textYStart,
                     color : this.getColor(this.dataRangeOption.max),
@@ -525,9 +517,7 @@ define(function (require) {
             this._endShape = {
                 style : {
                     pointList : pointListEnd,
-                    text : this.dataRangeOption.min.toFixed(
-                               this.dataRangeOption.precision
-                           ),
+                    text : this._textFormat(this.dataRangeOption.min),
                     textX : textXEnd,
                     textY : textYEnd,
                     color : this.getColor(this.dataRangeOption.min),
@@ -1083,39 +1073,31 @@ define(function (require) {
                 this._startShape.style.y - this._startShape.style._y
             ];
             
-            if (this.dataRangeOption.precision === 0) {
-                this._startShape.style.text = Math.round(
-                    this._gap * this._range.start + this.dataRangeOption.min
-                ) + '';
-            } else {
-                this._startShape.style.text =(
-                    this._gap * this._range.start + this.dataRangeOption.min
-                ).toFixed(this.dataRangeOption.precision);
-            }
-            this._startShape.style.color 
-            = this._startShape.highlightStyle.strokeColor
-            = this.getColor(
+            this._startShape.style.text = this._textFormat(
                 this._gap * this._range.start + this.dataRangeOption.min
             );
             
+            this._startShape.style.color 
+                = this._startShape.highlightStyle.strokeColor
+                = this.getColor(
+                    this._gap * this._range.start + this.dataRangeOption.min
+                );
+            
             this._endShape.position = [
                 this._endShape.style.x - this._endShape.style._x,
                 this._endShape.style.y - this._endShape.style._y
             ];
             
-            if (this.dataRangeOption.precision === 0) {
-                this._endShape.style.text = Math.round(
-                    this._gap * this._range.end + this.dataRangeOption.min
-                ) + '';
-            } else {
-                this._endShape.style.text = (
-                    this._gap * this._range.end + this.dataRangeOption.min
-                ).toFixed(this.dataRangeOption.precision);
-            }
-            this._endShape.style.color = this._endShape.highlightStyle.strokeColor = this.getColor(
+            this._endShape.style.text = this._textFormat(
                 this._gap * this._range.end + this.dataRangeOption.min
             );
             
+            this._endShape.style.color 
+                = this._endShape.highlightStyle.strokeColor 
+                = this.getColor(
+                    this._gap * this._range.end + this.dataRangeOption.min
+                );
+            
             this.zr.modShape(this._startShape.id);
             this.zr.modShape(this._endShape.id);
             this.zr.modShape(this._startMask.id);
@@ -1140,12 +1122,33 @@ define(function (require) {
         },
 
 
-        _dataRangeSelected : function (param) {
+        __dataRangeSelected : function (param) {
             var idx = param.target._idx;
             this._selectedMap[idx] = !this._selectedMap[idx];
             this.messageCenter.dispatch(ecConfig.EVENT.REFRESH);
         },
 
+        _textFormat : function(valueStart, valueEnd) {
+            valueStart = valueStart.toFixed(this.dataRangeOption.precision);
+            valueEnd = typeof valueEnd != 'undefined' 
+                       ? valueEnd.toFixed(this.dataRangeOption.precision) : ''
+            if (this.dataRangeOption.formatter) {
+                if (typeof this.dataRangeOption.formatter == 'string') {
+                    return this.dataRangeOption.formatter.replace('{value}', valueStart)
+                                                         .replace('{value2}', valueEnd);
+                }
+                else if (typeof this.dataRangeOption.formatter == 'function') {
+                    return this.dataRangeOption.formatter(valueStart, valueEnd);
+                }
+            }
+            
+            if (valueEnd != '') {
+                return valueStart + ' - ' + valueEnd;
+            }
+
+            return valueStart;
+        },
+        
         /**
          * 刷新
          */
@@ -1200,9 +1203,10 @@ define(function (require) {
                 for (var i = 0; i < splitNumber; i++) {
                     this._selectedMap[i] = true;
                     this._valueTextList.unshift(
-                        (i * this._gap + this.dataRangeOption.min).toFixed(precision)
-                        + ' - ' 
-                        + ((i + 1) * this._gap + this.dataRangeOption.min).toFixed(precision)
+                        this._textFormat(
+                            i * this._gap + this.dataRangeOption.min,
+                            (i + 1) * this._gap + this.dataRangeOption.min
+                        )
                     );
                 }
             }
diff --git a/src/config.js b/src/config.js
index 8ee14bada77928fdcdeb290d309a798671905dc9..de0dd14162ccf7d496ce940204a420ad6b537c87 100644
--- a/src/config.js
+++ b/src/config.js
@@ -130,6 +130,7 @@ define(function() {
             calculable: false,         // 是否值域漫游，启用后无视splitNumber，线性渐变
             realtime: true,
             color:['#006edd','#e0ffff'],//颜色 
+            //formatter: null,
             //text:['高','低'],           // 文本，默认为数值文本
             textStyle: {
                 color: '#333'          // 值域文字颜色