Progress 组件显示有锯齿 #17706
Description
- I have searched the issues of this repository and believe that this is not a duplicate.
Reproduction link
https://user-images.githubusercontent.com/22112008/61433799-d661c200-a966-11e9-81f2-a1a45384b526.png
Steps to reproduce
直接看图，左边个就是，右边是svg做的，把背景变黑就会出现。
What is expected?
高清无锯齿
What is actually happening?
有锯齿
| Environment | Info |
|---|---|
| antd | 3.20.3 |
| React | react |
| System | win10 |
| Browser | Chrome 版本 75.0.3770.90（正式版本） （64 位） |