Results 2 issues of gaohui

在canvas首次加载pdf时会报错导致回放时pdf不显示,经过debugger发现可能是因为第一次加载Pdf时节点较多导致的。如图 ![1600331408186](https://user-images.githubusercontent.com/17228157/93445380-91874180-f903-11ea-8cce-ae9107f91945.jpg)

bug

### vux-loader version 1.0.61 ### OS/Browsers version Mac os10.13.1/Chrome 66.0.3359.117 ### Vue version 2.5.16 ### Code ```html const path = require('path') const webpack = require('webpack') var utils = require('./utils') var...