Merge branch 'dev' of http://git.ycjcjy.com/zhiyuxing/miniapp-v3 into dev

src/components/taro-plugin-canvas/index.js

   drawLine,
 } from './utils/draw';
 import './index.css';
+import rtLog from '@/utils/rtLog';
 
 let count = 1;
 export default class CanvasDrawer extends Component {
       .catch((err) => {
         Taro.hideLoading();
         Taro.showToast({ icon: 'none', title: err.message || err.errMsg || '下载图片失败' });
+        rtLog.error('下载图片失败, 图片地址 ('+ imageUrl +'), 错误消息: ' + ( err.message || err.errMsg || err))
         console.error(err);
         if (!onCreateFail) {
           console.warn('您必须实现 taro-plugin-canvas 组件的 onCreateFail 方法，详见文档 https://github.com/chuyun/taro-plugin-canvas#fail');