阿里 oss 水印

    http://image-demo.img-cn-hangzhou.aliyuncs.com/example.jpg?x-oss-process=image/resize,type_d3F5LXplbmhlaQ,size_30,text_SGVsbG8g5Zu-54mH5pyN5YqhIQ,color_FFFFFF,shadow_50,order_0,align_2,interval_10

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