native canvas 提供了事件支持，故移除 my-f2 的事件封装。

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@antv/my-f2",
-  "version": "1.1.2",
+  "version": "1.2.0-beta.1",
   "description": "F2 for alipay mini-program",
   "browser": "build/my-f2.js",
   "main": "build/my-f2.js",
@@ -91,7 +91,6 @@
     "silent": false
   },
   "dependencies": {
-    "@antv/f2": "~3.2.2",
-    "wolfy87-eventemitter": "^5.2.4"
+    "@antv/f2": "~3.2.2"
   }
 }

src/core.js

@@ -1,12 +1,24 @@
 const Renderer = require('./renderer');
 const Core = require('@antv/f2/lib/core'); // 引入 F2 的核心包
+
+const EVENTS_MAP = {
+  touchstart: 'touchStart',
+  touchmove: 'touchMove',
+  touchend: 'touchEnd',
+  touchcancel: 'touchCancel'
+};
+
 // 为小程序封装事件机制
 Core.Util.addEventListener = function(source, type, listener) {
-  source.addListener(type, listener);
+  const context = source.getContext('2d');
+  type = EVENTS_MAP[type]; // 支付宝小程序事件名为驼峰结构
+  context.addEventListener(type, listener);
 };
 
 Core.Util.removeEventListener = function(source, type, listener) {
-  source.removeListener(type, listener);
+  const context = source.getContext('2d');
+  type = EVENTS_MAP[type]; // 支付宝小程序事件名为驼峰结构
+  context.removeEventListener(type, listener);
 };
 
 Core.Util.createEvent = function(event, chart) {

src/renderer.js

@@ -4,7 +4,6 @@
  * @version 1.0.0
  */
 
-const EventEmitter = require('wolfy87-eventemitter');
 const CAPITALIZED_ATTRS_MAP = {
   fillStyle: 'FillStyle',
   fontSize: 'FontSize',
@@ -19,9 +18,8 @@ const CAPITALIZED_ATTRS_MAP = {
   textBaseline: 'TextBaseline'
 };
 
-class Renderer extends EventEmitter {
+class Renderer {
   constructor(myCtx) {
-    super();
     const self = this;
     self.ctx = myCtx;
     self.style = {}; // just mock