fix(theme): update setTheme

Author: Ovilia

src/core/echarts.ts

@@ -692,10 +692,8 @@ class ECharts extends Eventful<ECEventDefinition> {
         this._updateTheme(theme);
         if (this._model) {
             this._model.setTheme(this._theme);
-            // Force refresh to apply theme changes
-            updateMethods.prepareAndUpdate.call(this, {
-                type: 'themeChanged'
-            });
+            // Just call update directly without event type
+            updateMethods.prepareAndUpdate.call(this);
         }
     }
 
@@ -1672,7 +1670,7 @@ class ECharts extends Eventful<ECEventDefinition> {
 
             prepareAndUpdate(this: ECharts, payload: Payload): void {
                 prepare(this);
-                updateMethods.update.call(this, payload, {
+                updateMethods.update.call(this, payload, payload && {
                     // Needs to mark option changed if newOption is given.
                     // It's from MagicType.
                     // TODO If use a separate flag optionChanged in payload?

src/model/Global.ts

@@ -545,9 +545,6 @@ echarts.use([${seriesImportName}]);`);
 
     setTheme(theme: object) {
         this._theme = new Model(theme);
-        // Merge theme with current option directly
-        mergeTheme(this.option, this._theme.option);
-        // Reset to apply theme changes
         this._resetOption('recreate', null);
     }
 

src/model/globalDefault.ts

@@ -35,12 +35,12 @@ export default {
     colorBy: 'series',
 
     color: [
-        '#5470c6',
-        '#91cc75',
-        '#fac858',
-        '#ee6666',
-        '#73c0de',
-        '#3ba272',
+        '#5780fe',
+        '#b5e45a',
+        '#656990',
+        '#ffa75c',
+        '#5adfd3',
+        '#f47da3',
         '#fc8452',
         '#9a60b4',
         '#ea7ccc'