测试图片是否可以被外链

https://b.pingan.com.cn/app_upload/brop/pagemaker/image/a00c95c505a14c36a8537c0a7f3d3d58_750_456.jpg

https://bank-static.pingan.com.cn/app_upload/brop/pagemaker/image/a00c95c505a14c36a8537c0a7f3d3d58_750_456.jpg

https://cdn.sdb.com.cn/app_upload/brop/pagemaker/image/a00c95c505a14c36a8537c0a7f3d3d58_750_456.jpg