diff --git a/build/mapv.js b/build/mapv.js
index be2e67fb..22752163 100644
--- a/build/mapv.js
+++ b/build/mapv.js
@@ -4,7 +4,7 @@
 	(factory((global.mapv = global.mapv || {})));
 }(this, (function (exports) { 'use strict';
 
-var version = "2.0.11";
+var version = "2.0.12";
 
 /**
  * @author kyle / http://nikai.us/
diff --git a/build/mapv.min.js b/build/mapv.min.js
index e486534d..942f1869 100644
--- a/build/mapv.min.js
+++ b/build/mapv.min.js
@@ -1,3 +1,3 @@
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t*t*t*t*t},Out:function(t){return--t*t*t*t*t+1},InOut:function(t){return(t*=2)<1?.5*t*t*t*t*t:.5*((t-=2)*t*t*t*t+2)}},Sinusoidal:{In:function(t){return 1-Math.cos(t*Math.PI/2)},Out:function(t){return Math.sin(t*Math.PI/2)},InOut:function(t){return.5*(1-Math.cos(Math.PI*t))}},Exponential:{In:function(t){return 0===t?0:Math.pow(1024,t-1)},Out:function(t){return 1===t?1:1-Math.pow(2,-10*t)},InOut:function(t){return 0===t?0:1===t?1:(t*=2)<1?.5*Math.pow(1024,t-1):.5*(-Math.pow(2,-10*(t-1))+2)}},Circular:{In:function(t){return 1-Math.sqrt(1-t*t)},Out:function(t){return Math.sqrt(1- --t*t)},InOut:function(t){return(t*=2)<1?-.5*(Math.sqrt(1-t*t)-1):.5*(Math.sqrt(1-(t-=2)*t)+1)}},Elastic:{In:function(t){return 0===t?0:1===t?1:-Math.pow(2,10*(t-1))*Math.sin(5*(t-1.1)*Math.PI)},Out:function(t){return 0===t?0:1===t?1:Math.pow(2,-10*t)*Math.sin(5*(t-.1)*Math.PI)+1},InOut:function(t){return 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n},CatmullRom:function(t,e){var n=t.length-1,i=n*e,r=Math.floor(i),o=kt.Interpolation.Utils.CatmullRom;return t[0]===t[n]?(e<0&&(r=Math.floor(i=n*(1+e))),o(t[(r-1+n)%n],t[r],t[(r+1)%n],t[(r+2)%n],i-r)):e<0?t[0]-(o(t[0],t[0],t[1],t[1],-i)-t[0]):e>1?t[n]-(o(t[n],t[n],t[n-1],t[n-1],i-n)-t[n]):o(t[r?r-1:0],t[r],t[n<r+1?n:r+1],t[n<r+2?n:r+2],i-r)},Utils:{Linear:function(t,e,n){return(e-t)*n+t},Bernstein:function(t,e){var n=kt.Interpolation.Utils.Factorial;return n(t)/n(e)/n(t-e)},Factorial:function(){var t=[1];return function(e){var n=1;if(t[e])return t[e];for(var i=e;i>1;i--)n*=i;return t[e]=n,n}}(),CatmullRom:function(t,e,n,i,r){var o=.5*(n-t),a=.5*(i-e),s=r*r,u=r*s;return(2*e-2*n+o+a)*u+(-3*e+3*n-2*o-a)*s+o*r+e}}};var Ft={draw:function(t,e,i){var r=e instanceof n?e.get():e;t.fillStyle="white",t.textAlign="center",t.textBaseline="middle";for(var o in i)t[o]=i[o];for(var a=i.offset||{x:0,y:0},s=i.textKey||"text",u=0,l=r.length;u<l;u++){var g=r[u].geometry._coordinates||r[u].geometry.coordinates;t.fillText(r[u][s],g[0]+a.x,g[1]+a.y)}}},Rt={draw:function(t,e,i){var r=e instanceof n?e.get():e;t.fillStyle="white",t.textAlign="center",t.textBaseline="middle";for(var o=i.offset||{x:0,y:0},a=0,s=r.length;a<s;a++)if(r[a].geometry){var u=r[a].deg||i.deg,l=r[a].icon||i.icon,g=r[a].geometry._coordinates||r[a].geometry.coordinates,h=g[0],c=g[1];u&&(t.save(),t.translate(h,c),t.rotate(u*Math.PI/180),t.translate(-h,-c));var f=i._width||i.width||l.width,p=i._height||i.height||l.height;h=h-f/2+o.x,c=c-p/2+o.y,i.sx&&i.sy&&i.swidth&&i.sheight&&i.width&&i.height?t.drawImage(l,i.sx,i.sy,i.swidth,i.sheight,h,c,f,p):i.width&&i.height?t.drawImage(l,h,c,f,p):t.drawImage(l,h,c),u&&t.restore()}}};"undefined"!=typeof window&&requestAnimationFrame(K);var zt=function(){function t(e,i,r){it(this,t),i instanceof n||(i=new n(i)),this.dataSet=i,this.map=e}return rt(t,[{key:"getDefaultContextConfig",value:function(){return{globalAlpha:1,globalCompositeOperation:"source-over",imageSmoothingEnabled:!0,strokeStyle:"#000000",fillStyle:"#000000",shadowOffsetX:0,shadowOffsetY:0,shadowBlur:0,shadowColor:"rgba(0, 0, 0, 0)",lineWidth:1,lineCap:"butt",lineJoin:"miter",miterLimit:10,lineDashOffset:0,font:"10px sans-serif",textAlign:"start",textBaseline:"alphabetic"}}},{key:"initDataRange",value:function(t){var e=this;if(e.intensity=new r({maxSize:e.options.maxSize,minSize:e.options.minSize,gradient:e.options.gradient,max:e.options.max||this.dataSet.getMax("count")}),e.category=new J(e.options.splitList),e.choropleth=new Q(e.options.splitList),void 0===e.options.splitList&&e.category.generateByDataSet(this.dataSet),void 0===e.options.splitList){var n=e.options.min||this.dataSet.getMin("count"),i=e.options.max||this.dataSet.getMax("count");e.choropleth.generateByMinMax(n,i)}}},{key:"getLegend",value:function(t){this.options.draw;if("intensity"==self.options.draw||"heatmap"==self.options.draw)return this.intensity.getLegend(t)}},{key:"processData",value:function(t){var e=this,n=e.options.draw;if("bubble"==n||"intensity"==n||"category"==n||"choropleth"==n||"simple"==n)for(var i=0;i<t.length;i++){var r=t[i];"bubble"==e.options.draw?t[i]._size=e.intensity.getSize(r.count):t[i]._size=void 0,"intensity"==e.options.draw?"LineString"===t[i].geometry.type?t[i].strokeStyle=r.strokeStyle||e.intensity.getColor(r.count):t[i].fillStyle=r.fillStyle||e.intensity.getColor(r.count):"category"==e.options.draw?t[i].fillStyle=r.fillStyle||e.category.get(r.count):"choropleth"==e.options.draw&&(t[i].fillStyle=r.fillStyle||e.choropleth.get(r.count))}}},{key:"isEnabledTime",value:function(){var t=this.options.animation,e=t&&!(t.enabled===!1);return e}},{key:"argCheck",value:function(t){"heatmap"==t.draw&&t.strokeStyle&&console.warn("[heatmap] options.strokeStyle is discard, pleause use options.strength [eg: options.strength = 0.1]")}},{key:"drawContext",value:function(t,e,n,i){var r=this;switch(r.options.draw){case"heatmap":ht.draw(t,e,r.options);break;case"grid":case"honeycomb":r.options.offset={x:i.x,y:i.y},"grid"==r.options.draw?ct.draw(t,e,r.options):ft.draw(t,e,r.options);break;case"text":Ft.draw(t,e,r.options);break;case"icon":Rt.draw(t,e,r.options);break;case"clip":t.save(),t.fillStyle=r.options.fillStyle||"rgba(0, 0, 0, 0.5)",t.fillRect(0,0,t.canvas.width,t.canvas.height),lt.draw(t,e,r.options),t.beginPath(),ut.drawDataSet(t,e,r.options),t.clip(),et(t),t.restore();break;default:"webgl"==r.options.context?St.draw(r.canvasLayer.canvas.getContext("webgl"),e,r.options):lt.draw(t,e,r.options)}}},{key:"isPointInPath",value:function(t,e){for(var t=this.canvasLayer.canvas.getContext(this.context),n=this.dataSet.get(),i=0;i<n.length;i++)if(t.beginPath(),ut.draw(t,n[i],this.options),t.isPointInPath(e.x*this.canvasLayer.devicePixelRatio,e.y*this.canvasLayer.devicePixelRatio))return n[i]}},{key:"clickEvent",value:function(t,e){var n=this.isPointInPath(this.getContext(),t);n?this.options.methods.click(n,e):this.options.methods.click(null,e)}},{key:"mousemoveEvent",value:function(t,e){var n=this.isPointInPath(this.getContext(),t);n?this.options.methods.mousemove(n,e):this.options.methods.mousemove(null,e)}},{key:"update",value:function(t,e){var n=this,i=t.options,r=n.options;for(var o in i)r[o]=i[o];n.init(r),e!==!1&&n.draw()}},{key:"setOptions",value:function(t){var e=this;e.init(t),e.draw()}},{key:"set",value:function(t){var e=this,n=this.getContext(),i=this.getDefaultContextConfig();for(var r in i)n[r]=i[r];e.init(t.options),e.draw()}},{key:"destroy",value:function(){this.unbindEvent(),this.hide()}},{key:"initAnimator",value:function(){var t=this,e=t.options.animation;if("time"==t.options.draw||t.isEnabledTime()){e.stepsRange||(e.stepsRange={start:this.dataSet.getMin("time")||0,end:this.dataSet.getMax("time")||0}),this.steps={step:e.stepsRange.start},t.animator=new kt.Tween(this.steps).onUpdate(function(){t._canvasUpdate(this.step)}).repeat(1/0),this.addAnimatorEvent();var n=1e3*e.duration||5e3;t.animator.to({step:e.stepsRange.end},n),t.animator.start()}else t.animator&&t.animator.stop()}},{key:"addAnimatorEvent",value:function(){}},{key:"animatorMovestartEvent",value:function(){var t=this.options.animation;this.isEnabledTime()&&this.animator&&(this.steps.step=t.stepsRange.start,this.animator.stop())}},{key:"animatorMoveendEvent",value:function(){this.isEnabledTime()&&this.animator&&this.animator.start()}}]),t}(),It=function(t){function e(t,n,i){it(this,e);var r=st(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,n,i)),o=r;i=i||{},o.init(i),o.argCheck(i),o.transferToMercator(),r.dataSet.on("change",function(){o.transferToMercator()});var a=r.canvasLayer=new X({map:t,context:r.context,paneName:i.paneName,mixBlendMode:i.mixBlendMode,enableMassClear:i.enableMassClear,zIndex:i.zIndex,update:function(){o._canvasUpdate()}});return n.on("change",function(){a.draw()}),r.clickEvent=r.clickEvent.bind(r),r.mousemoveEvent=r.mousemoveEvent.bind(r),r.bindEvent(),r}return at(e,t),rt(e,[{key:"clickEvent",value:function(t){var n=t.pixel;ot(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"clickEvent",this).call(this,n,t)}},{key:"mousemoveEvent",value:function(t){var n=t.pixel;ot(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"mousemoveEvent",this).call(this,n,t)}},{key:"bindEvent",value:function(t){var e=this.map;this.options.methods&&(this.options.methods.click&&(e.setDefaultCursor("default"),e.addEventListener("click",this.clickEvent)),this.options.methods.mousemove&&e.addEventListener("mousemove",this.mousemoveEvent))}},{key:"unbindEvent",value:function(t){var e=this.map;this.options.methods&&(this.options.methods.click&&e.removeEventListener("click",this.clickEvent),this.options.methods.mousemove&&e.removeEventListener("mousemove",this.mousemoveEvent))}},{key:"transferToMercator",value:function(){var t=this.map.getMapType().getProjection();if("bd09mc"!==this.options.coordType){var e=this.dataSet.get();e=this.dataSet.transferCoordinate(e,function(e){var n=t.lngLatToPoint({lng:e[0],lat:e[1]});return[n.x,n.y]},"coordinates","coordinates_mercator"),this.dataSet._set(e)}}},{key:"getContext",value:function(){return this.canvasLayer.canvas.getContext(this.context)}},{key:"_canvasUpdate",value:function(t){if(this.canvasLayer){var e=this,n=e.options.animation,i=this.canvasLayer._map,r=Math.pow(2,18-i.getZoom()),o=i.getMapType().getProjection(),a=o.lngLatToPoint(i.getCenter()),s=new BMap.Pixel(a.x-i.getSize().width/2*r,a.y+i.getSize().height/2*r),u=this.getContext();if(e.isEnabledTime()){if(void 0===t)return void et(u);"2d"==this.context&&(u.save(),u.globalCompositeOperation="destination-out",u.fillStyle="rgba(0, 0, 0, .1)",u.fillRect(0,0,u.canvas.width,u.canvas.height),u.restore())}else et(u);if("2d"==this.context)for(var l in e.options)u[l]=e.options[l];else u.clear(u.COLOR_BUFFER_BIT);if(!(e.options.minZoom&&i.getZoom()<e.options.minZoom||e.options.maxZoom&&i.getZoom()>e.options.maxZoom)){var g=1;"2d"!=this.context&&(g=this.canvasLayer.devicePixelRatio);var h={fromColumn:"bd09mc"==e.options.coordType?"coordinates":"coordinates_mercator",transferCoordinate:function(t){var e=(t[0]-s.x)/r*g,n=(s.y-t[1])/r*g;return[e,n]}};void 0!==t&&(h.filter=function(e){var i=n.trails||10;return!!(t&&e.time>t-i&&e.time<t)});var c=e.dataSet.get(h);this.processData(c);var f=i.pointToPixel(new BMap.Point(0,0));"m"==e.options.unit?(e.options.size&&(e.options._size=e.options.size/r),e.options.width&&(e.options._width=e.options.width/r),e.options.height&&(e.options._height=e.options.height/r)):(e.options._size=e.options.size,e.options._height=e.options.height,e.options._width=e.options.width),this.drawContext(u,c,e.options,f),e.options.updateCallback&&e.options.updateCallback(t)}}}},{key:"init",value:function(t){var e=this;e.options=t,this.initDataRange(t),this.context=e.options.context||"2d",e.options.zIndex&&this.canvasLayer&&this.canvasLayer.setZIndex(e.options.zIndex),this.initAnimator()}},{key:"addAnimatorEvent",value:function(){this.map.addEventListener("movestart",this.animatorMovestartEvent.bind(this)),this.map.addEventListener("moveend",this.animatorMoveendEvent.bind(this))}},{key:"show",value:function(){this.map.addOverlay(this.canvasLayer)}},{key:"hide",value:function(){this.map.removeOverlay(this.canvasLayer)}},{key:"draw",value:function(){self.canvasLayer.draw()}}]),e}(zt),Tt="undefined"==typeof window?{}:window;Tt.google&&Tt.google.maps&&($.prototype=new google.maps.OverlayView,$.DEFAULT_PANE_NAME_="overlayLayer",$.CSS_TRANSFORM_=function(){for(var t=document.createElement("div"),e=["transform","WebkitTransform","MozTransform","OTransform","msTransform"],n=0;n<e.length;n++){var i=e[n];if(void 0!==t.style[i])return i}return e[0]}(),$.prototype.requestAnimFrame_=Tt.requestAnimationFrame||Tt.webkitRequestAnimationFrame||Tt.mozRequestAnimationFrame||Tt.oRequestAnimationFrame||Tt.msRequestAnimationFrame||function(t){return Tt.setTimeout(t,1e3/60)},$.prototype.cancelAnimFrame_=Tt.cancelAnimationFrame||Tt.webkitCancelAnimationFrame||Tt.mozCancelAnimationFrame||Tt.oCancelAnimationFrame||Tt.msCancelAnimationFrame||function(t){},$.prototype.setOptions=function(t){void 0!==t.animate&&this.setAnimate(t.animate),void 0!==t.paneName&&this.setPaneName(t.paneName),void 0!==t.updateHandler&&this.setUpdateHandler(t.updateHandler),void 0!==t.resizeHandler&&this.setResizeHandler(t.resizeHandler),void 0!==t.resolutionScale&&this.setResolutionScale(t.resolutionScale),void 0!==t.map&&this.setMap(t.map)},$.prototype.setAnimate=function(t){this.isAnimated_=!!t,this.isAnimated_&&this.scheduleUpdate()},$.prototype.isAnimated=function(){return this.isAnimated_},$.prototype.setPaneName=function(t){this.paneName_=t,this.setPane_()},$.prototype.getPaneName=function(){return this.paneName_},$.prototype.setPane_=function(){if(this.isAdded_){var t=this.getPanes();if(!t[this.paneName_])throw new Error('"'+this.paneName_+'" is not a valid MapPane name.');t[this.paneName_].appendChild(this.canvas)}},$.prototype.setResizeHandler=function(t){this.resizeHandler_=t},$.prototype.setResolutionScale=function(t){"number"==typeof t&&(this.resolutionScale_=t,this.resize_())},$.prototype.setUpdateHandler=function(t){this.updateHandler_=t},$.prototype.onAdd=function(){this.isAdded_||(this.isAdded_=!0,this.setPane_(),this.resizeListener_=google.maps.event.addListener(this.getMap(),"resize",this.resizeFunction_),this.centerListener_=google.maps.event.addListener(this.getMap(),"center_changed",this.repositionFunction_),this.resize_(),this.repositionCanvas_())},$.prototype.onRemove=function(){this.isAdded_&&(this.isAdded_=!1,this.topLeft_=null,this.canvas.parentElement.removeChild(this.canvas),this.centerListener_&&(google.maps.event.removeListener(this.centerListener_),this.centerListener_=null),this.resizeListener_&&(google.maps.event.removeListener(this.resizeListener_),this.resizeListener_=null),this.requestAnimationFrameId_&&(this.cancelAnimFrame_.call(Tt,this.requestAnimationFrameId_),this.requestAnimationFrameId_=null))},$.prototype.resize_=function(){if(this.isAdded_){var t=this.getMap(),e=t.getDiv().offsetWidth,n=t.getDiv().offsetHeight,i=e*this.resolutionScale_,r=n*this.resolutionScale_,o=this.canvas.width,a=this.canvas.height;o===i&&a===r||(this.canvas.width=i,
 this.canvas.height=r,this.needsResize_=!0,this.scheduleUpdate()),this.canvasCssWidth_===e&&this.canvasCssHeight_===n||(this.canvasCssWidth_=e,this.canvasCssHeight_=n,this.canvas.style.width=e+"px",this.canvas.style.height=n+"px")}},$.prototype.draw=function(){this.repositionCanvas_()},$.prototype.repositionCanvas_=function(){var t=this.getMap(),e=t.getBounds().getNorthEast().lat(),n=t.getCenter(),i=Math.pow(2,t.getZoom()),r=n.lng()-180*this.canvasCssWidth_/(256*i);this.topLeft_=new google.maps.LatLng(e,r);var o=this.getProjection(),a=o.fromLatLngToDivPixel(n),s=-Math.round(this.canvasCssWidth_/2-a.x),u=-Math.round(this.canvasCssHeight_/2-a.y);this.canvas.style[$.CSS_TRANSFORM_]="translate("+s+"px,"+u+"px)",this.scheduleUpdate()},$.prototype.update_=function(){this.requestAnimationFrameId_=null,this.isAdded_&&(this.isAnimated_&&this.scheduleUpdate(),this.needsResize_&&this.resizeHandler_&&(this.needsResize_=!1,this.resizeHandler_()),this.updateHandler_&&this.updateHandler_())},$.prototype.getTopLeft=function(){return this.topLeft_},$.prototype.scheduleUpdate=function(){this.isAdded_&&!this.requestAnimationFrameId_&&(this.requestAnimationFrameId_=this.requestAnimFrame_.call(Tt,this.requestUpdateFunction_))});var Ot=function(t){function e(t,n,i){it(this,e);var r=st(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,n,i)),o=r;i=i||{},o.init(i),o.argCheck(i);var a={map:t,animate:!1,updateHandler:function(){o._canvasUpdate()},resolutionScale:resolutionScale};r.canvasLayer=new $(a);return r.clickEvent=r.clickEvent.bind(r),r.mousemoveEvent=r.mousemoveEvent.bind(r),r.bindEvent(),r}return at(e,t),rt(e,[{key:"clickEvent",value:function(t){var n=t.pixel;ot(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"clickEvent",this).call(this,n,t)}},{key:"mousemoveEvent",value:function(t){var n=t.pixel;ot(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"mousemoveEvent",this).call(this,n,t)}},{key:"bindEvent",value:function(t){var e=this.map;this.options.methods&&(this.options.methods.click&&(e.setDefaultCursor("default"),e.addListener("click",this.clickEvent)),this.options.methods.mousemove&&e.addListener("mousemove",this.mousemoveEvent))}},{key:"unbindEvent",value:function(t){var e=this.map;this.options.methods&&(this.options.methods.click&&e.removeListener("click",this.clickEvent),this.options.methods.mousemove&&e.removeListener("mousemove",this.mousemoveEvent))}},{key:"getContext",value:function(){return this.canvasLayer.canvas.getContext(this.context)}},{key:"_canvasUpdate",value:function(t){if(this.canvasLayer){var e=this,i=e.options.animation,r=this.getContext();if(e.isEnabledTime()){if(void 0===t)return void et(r);"2d"==this.context&&(r.save(),r.globalCompositeOperation="destination-out",r.fillStyle="rgba(0, 0, 0, .1)",r.fillRect(0,0,r.canvas.width,r.canvas.height),r.restore())}else et(r);if("2d"==this.context)for(var o in e.options)r[o]=e.options[o];else r.clear(r.COLOR_BUFFER_BIT);if(!(e.options.minZoom&&s.getZoom()<e.options.minZoom||e.options.maxZoom&&s.getZoom()>e.options.maxZoom)){var a=1;"2d"!=this.context&&(a=this.canvasLayer.devicePixelRatio);var s=this.map,u=s.getProjection(),a=Math.pow(2,s.zoom)*resolutionScale,l=u.fromLatLngToPoint(this.canvasLayer.getTopLeft()),g={transferCoordinate:function(t){var e=new google.maps.LatLng(t[1],t[0]),n=u.fromLatLngToPoint(e),i={x:(n.x-l.x)*a,y:(n.y-l.y)*a};return[i.x,i.y]}};void 0!==t&&(g.filter=function(e){var n=i.trails||10;return!!(t&&e.time>t-n&&e.time<t)});var h=e.dataSet.get(g);this.processData(h);var c=new google.maps.LatLng(0,0),f=u.fromLatLngToPoint(c),p={x:(f.x-l.x)*a,y:(f.y-l.y)*a};"m"==e.options.unit&&e.options.size?e.options._size=e.options.size/zoomUnit:e.options._size=e.options.size,this.drawContext(r,new n(h),e.options,p),e.options.updateCallback&&e.options.updateCallback(t)}}}},{key:"init",value:function(t){var e=this;e.options=t,this.initDataRange(t),this.context=e.options.context||"2d",e.options.zIndex&&this.canvasLayer&&this.canvasLayer.setZIndex(e.options.zIndex),this.initAnimator()}},{key:"addAnimatorEvent",value:function(){this.map.addListener("movestart",this.animatorMovestartEvent.bind(this)),this.map.addListener("moveend",this.animatorMoveendEvent.bind(this))}},{key:"show",value:function(){this.map.addOverlay(this.canvasLayer)}},{key:"hide",value:function(){this.map.removeOverlay(this.canvasLayer)}},{key:"draw",value:function(){self.canvasLayer.draw()}}]),e}(zt),Bt={getDataSet:function(t){for(var e=[],i=t.features,r=0;r<i.length;r++){var o=i[r],a=o.geometry,s=o.properties,u={};for(var l in s)u[l]=s[l];u.geometry=a,e.push(u)}return new n(e)}},Dt={CSVToArray:function(t,e){e=e||",";for(var n=new RegExp("(\\"+e+'|\\r?\\n|\\r|^)(?:"([^"]*(?:""[^"]*)*)"|([^"\\'+e+"\\r\\n]*))","gi"),i=[[]],r=null;r=n.exec(t);){var o=r[1];o.length&&o!==e&&i.push([]);var a;a=r[2]?r[2].replace(new RegExp('""',"g"),'"'):r[3],i[i.length-1].push(a)}return i},getDataSet:function(t){for(var e=this.CSVToArray(t,","),i=[],r=e[0],o=1;o<e.length-1;o++){for(var a=e[o],s={},u=0;u<a.length;u++){var l=a[u];"geometry"==r[u]&&(l=JSON.parse(l)),s[r[u]]=l}i.push(s)}return new n(i)}};t.version=tt,t.canvasClear=et,t.canvasResolutionScale=nt,t.canvasDrawSimple=lt,t.canvasDrawHeatmap=ht,t.canvasDrawGrid=ct,t.canvasDrawHoneycomb=ft,t.webglDrawSimple=St,t.webglDrawPoint=xt,t.webglDrawLine=dt,t.webglDrawPolygon=bt,t.utilCityCenter=At,t.utilCurve=Ct,t.utilForceEdgeBundling=Lt,t.utilDataRangeIntensity=r,t.utilDataRangeCategory=J,t.utilDataRangeChoropleth=Q,t.Map=Et,t.baiduMapCanvasLayer=X,t.baiduMapLayer=It,t.googleMapCanvasLayer=$,t.googleMapLayer=Ot,t.DataSet=n,t.geojson=Bt,t.csv=Dt,Object.defineProperty(t,"__esModule",{value:!0})});
\ No newline at end of file
diff --git a/build/version.js b/build/version.js
index ac007538..4161d7a1 100644
--- a/build/version.js
+++ b/build/version.js
@@ -1 +1 @@
-export var version = "2.0.11";
+export var version = "2.0.12";
diff --git a/package.json b/package.json
index 0584545b..1606f20c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mapv",
-  "version": "2.0.11",
+  "version": "2.0.12",
   "description": "a library of geography visualization",
   "main": "build/mapv.js",
   "scripts": {