fix(echarts): fix little error in process setOption

src/echarts.js

@@ -361,7 +361,7 @@ echartsProto.setOption = function (option, notMerge, lazyUpdate) {
     if (!this._model || notMerge) {
         var optionManager = new OptionManager(this._api);
         var theme = this._theme;
-        var ecModel = this._model = new GlobalModel(null, null, theme, optionManager);
+        var ecModel = this._model = new GlobalModel();
         ecModel.scheduler = this._scheduler;
         ecModel.init(null, null, theme, optionManager);
     }

src/preprocessor/backwardCompat.js

@@ -88,7 +88,7 @@ export default function (option, isTheme) {
         if (seriesType === 'gauge') {
             var pointerColor = get(seriesOpt, 'pointer.color');
             pointerColor != null
-                && set(seriesOpt, 'itemStyle.normal.color', pointerColor);
+                && set(seriesOpt, 'itemStyle.color', pointerColor);
         }
 
         compatLayoutProperties(seriesOpt);

src/preprocessor/helper/compatStyle.js

@@ -81,6 +81,7 @@ function convertNormalEmphasis(opt, optType, useExtend) {
         }
     }
 }
+
 function removeEC3NormalStatus(opt) {
     convertNormalEmphasis(opt, 'itemStyle');
     convertNormalEmphasis(opt, 'lineStyle');