add postcss-comment

generator.js

@@ -36,6 +36,9 @@ module.exports = (api, options, rootOptions) => {
     return {
       dependencies: {
         'regenerator-runtime': '^0.12.1'// 锁定版本，避免高版本在小程序中出错
+      },
+      devDependencies: {
+        'postcss-comment': '^2.0.0'
       }
     }
   })

template/common/postcss.config.js

@@ -1,5 +1,6 @@
 const pkg = require('./package.json')
-module.exports = {
+module.exports = {
+  parser: require('postcss-comment'),
   plugins: [
     require('postcss-import'),
     require('autoprefixer')({