wx.getImageInfo({           src: "http://usr/1617938703084share.jpg"", success: function(res) {             let img = res.path;             // 把需要画出来的图片的临时url暴露出去             resolve(img);             reject();           },           fail(e){             console.log('读取图片报错');             console.log(e);           }, fail回调方法中报这个错getImageInfo:fail invalid