- Fix: Add images (and references) for fallback (#135)

- Fix (canvg): blur export fix
- i18n (Chinese): A few fixes (#135)
- Optimize: Further image optimizing
- Refactoring: Avoid custom JS substitution syntax
- Refactoring: Reorder default extension list

editor/extensions/ext-polygon.js

@@ -112,6 +112,7 @@ export default {
     */
     const buttons = [{
       id: 'tool_polygon',
+      icon: svgEditor.curConfig.extIconsPath + 'polygon.png',
       type: 'mode',
       position: 11,
       events: {