Update StreamPushMapper.java

SaltFish

2022-03-01 bb1fada32cdd9c563c3c526d39adbaabbc6a1b2b

 web_src/.postcssrc.js

@@ -5,6 +5,10 @@
    "postcss-import": {},
    "postcss-url": {},
    // to edit target browsers: use "browserslist" field in package.json
    "autoprefixer": {}
    "autoprefixer": {},
    'postcss-pxtorem': {
      rootValue: 16,
      propList: ['font-size'] // 只转化font-size
    }
  }
}