weixin-pay 引用包错误 MD5 （不应该大写），导致使用淘宝源安装时，提示MD5包找不到
Created by: hotlong
weixin-pay@1.1.7: version "1.1.7" resolved "https://registry.yarnpkg.com/weixin-pay/-/weixin-pay-1.1.7.tgz#ce9b9d331bba8952f5ef961ecdc913705aeb2652" integrity sha1-zpudMxu6iVL175YezckTcFrrJlI= dependencies: MD5 "^1.2.1" request "^2.54.0" xml2js "^0.4.6"