- 需求的场景描述（希望解决的问题）
微信小程序上传照片到腾讯云cos桶，成功之后，安卓可以拿到{"statusCode":200,"headers":{"Content-Length":"0","Connection":"close","Date":"Sun, 27 Jan 2019 04:38:35 GMT","ETag":"\"92d48d0a94b49035c69abb208eb5e8b4\"","Location":"http://smartpanel-1258500136.cos.ap-shanghai.myqcloud.com/wx3fa3a49069ea08cb.o6zAJs32SLGLlVia_fRv5pQGVXJA.3sATGlJX2jwS92d48d0a94b49035c69abb208eb5e8b4.jpg","Server":"tencent-cos","x-cos-request-id":"NWM0ZDM1Y2JfNGFhYTQzNjRfMmFhMl85NjkzZg=="}}这么多信息，ios只能拿到{"statusCode":200}，拿不到照片的url


- 希望提供的能力
ios可以拿到照片的url